Mitsumi Electric Co., Ltd.

Japan

Back to Profile

1-100 of 1,067 for Mitsumi Electric Co., Ltd. Sort by
Query
Aggregations
IP Type
        Patent 1,052
        Trademark 15
Jurisdiction
        United States 626
        World 434
        Canada 5
        Europe 2
Date
New (last 4 weeks) 6
2024 November (MTD) 3
2024 October 6
2024 September 3
2024 August 5
See more
IPC Class
H04N 5/225 - Television cameras 116
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers 97
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries 94
G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification 79
H04N 5/232 - Devices for controlling television cameras, e.g. remote control 77
See more
NICE Class
09 - Scientific and electric apparatus and instruments 15
07 - Machines and machine tools 10
Status
Pending 94
Registered / In Force 973
  1     2     3     ...     11        Next Page

1.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18685526
Status Pending
Filing Date 2022-08-19
First Publication Date 2024-11-28
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Osaka, Tomohiko
  • Enta, Yohei

Abstract

This optical element driving device (1) for driving an optical element comprises: a retaining part (10) having an opening that surrounds the outer periphery of an optical element and is capable of retaining the optical element; an accommodating part (20) for accommodating the retaining part in the inside thereof; and support parts (40A) having a plurality of contact parts (31) that come in contact with the retaining part in at least three positions distributed in the circumferential direction inside the accommodating part, the support parts (40A) supporting the retaining part so as to be able to move in an optical axis direction while the retaining part is pressed toward the inside of the opening by the plurality of contact parts.

IPC Classes  ?

  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G03B 3/10 - Power-operated focusing

2.

SENSOR DEVICE AND METHOD FOR MANUFACTURING SENSOR DEVICE

      
Application Number 18653287
Status Pending
Filing Date 2024-05-02
First Publication Date 2024-11-21
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Suzu, Soichiro
  • Kuribayashi, Satoshi

Abstract

A sensor device includes a semiconductor sensor element and a substrate on which the semiconductor sensor element is mounted. The substrate includes a sensor-element mounted portion at which the semiconductor sensor element is mounted, and includes a first resist portion that surrounds the sensor-element mounted portion. The substrate includes a first region adjacent to the first resist portion and being covered with a resin layer, and includes a second resist portion that surrounds the first resist portion, the first region being interposed between the first resist portion and the second resist portion. The substrate includes at least one third resist portion extending from the first resist portion toward the second resist portion.

IPC Classes  ?

  • H01L 23/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details of semiconductor or other solid state devices

3.

SEMICONDUCTOR INTEGRATED CIRCUIT AND ELECTRONIC APPARATUS

      
Application Number 18627937
Status Pending
Filing Date 2024-04-05
First Publication Date 2024-11-21
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Hirai, Masaru

Abstract

A semiconductor integrated circuit includes first and second input terminals, first and second output terminals, a first detection circuit configured to assert a first signal in response to detecting a voltage drop at the first input terminal, a second detection circuit configured to assert a second signal in response to detecting an overvoltage of the first input terminal, a third detection circuit configured to assert a third signal in response to detecting a voltage drop at the second input terminal, a first output circuit configured to monitor the first signal and the second signal, and output a first reset signal from the first output terminal in response to asserting the first signal or the second signal, and a second output circuit configured to monitor the third signal, and output a second reset signal from the second output terminal in response to asserting the third signal.

IPC Classes  ?

  • H03K 17/22 - Modifications for ensuring a predetermined initial state when the supply voltage has been applied
  • G06F 1/24 - Resetting means

4.

POWER SUPPLY CIRCUIT, VOLTAGE MONITORING CIRCUIT, AND POWER SUPPLY DEVICE

      
Application Number 18645445
Status Pending
Filing Date 2024-04-25
First Publication Date 2024-10-31
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Shibata, Kohei

Abstract

Disclosed is a power supply monitoring circuit including: a first terminal to which a first voltage as a highest voltage of a battery including cells is connected; a second terminal to which a second voltage as a lowest voltage of the battery is connected; a selection circuit that selects a high potential and a low potential of a cell; an analog-to-digital conversion circuit to which the high and low potentials are input; a power supply circuit that generates an operating voltage of the analog-to-digital conversion circuit; and a logic circuit that receives a signal from the analog-to-digital conversion circuit, processes the signal, and outputs a signal from a third terminal to an external device. The operating voltage is a first operating voltage with a midpoint of the high potential and the low potential as a reference.

IPC Classes  ?

  • G01R 31/3835 - Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements

5.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number JP2024015248
Publication Number 2024/225131
Status In Force
Filing Date 2024-04-17
Publication Date 2024-10-31
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Enta, Yohei

Abstract

This optical element driving device comprises: a retaining part capable of retaining an optical element; a fixed part that movably supports the retaining part by means of a support member; a driving part that drives the retaining part and includes a first magnet disposed on either the retaining part or the fixed part, and a first coil disposed on the other; a magnetic member which is disposed on the other of the retaining part or the fixed part with respect to the first magnet and biases the retaining part towards the support member; a contact-separation part that contacts and separates from the retaining part, pressing the retaining part against the support member when in contact and releasing the pressure when separated; and an operation part that operates the contact-separation part so as to separate from the retaining part during the driving of the driving part.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/50 - Constructional details
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

6.

VIBRATION DEVICE, SPEAKER UNIT, AND METHOD FOR MANUFACTURING VIBRATION DEVICE

      
Application Number 18627888
Status Pending
Filing Date 2024-04-05
First Publication Date 2024-10-31
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Aga, Hisanori

Abstract

A vibration device includes a substrate, a first drive source, a second drive source, and a membrane. The membrane includes a main portion extending in an in-plane direction, and a damper protruding in a direction perpendicular to a plane of the membrane. The main portion includes a first region disposed on the first drive source, a second region disposed on the second drive source, and a third region disposed between the first region and the second region. The damper includes a first portion connecting the first region and the third region, and a second portion connecting the second region and the third region.

IPC Classes  ?

  • B81B 3/00 - Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
  • B81C 1/00 - Manufacture or treatment of devices or systems in or on a substrate

7.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18685550
Status Pending
Filing Date 2022-08-19
First Publication Date 2024-10-24
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Ishikawa, Masahiro
  • Osaka, Tomohiko

Abstract

An optical element driving device according to the present invention comprises a moving part which is capable of holding an optical element, a driving part which drives the moving part by vibrating a piezoelectric element, and a voltage-raising part which raises input voltage that is input into the piezoelectric element, wherein the voltage-raising part has an inductor connected in series to the piezoelectric element and a capacitor connected in parallel to the piezoelectric element. A camera module according to the present invention comprises an optical element driving device and an imaging part which captures a subject image formed by an optical element. A camera-mounted device according to the present invention comprises a camera module and an image processing part which processes image information acquired by the camera module.

IPC Classes  ?

  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

8.

PIEZOELECTRIC VIBRATION DEVICE, SPEAKER UNIT, AND EARPHONE

      
Application Number 18627864
Status Pending
Filing Date 2024-04-05
First Publication Date 2024-10-17
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Eguchi, Takahiro

Abstract

A piezoelectric vibration device includes a frame having an elongated shape, a first vibration plate supported by the frame and having an elongated shape elongated in a longitudinal direction of the frame, and a piezoelectric layer arranged on the first vibration plate.

IPC Classes  ?

  • H04R 17/00 - Piezoelectric transducers; Electrostrictive transducers
  • H04R 1/10 - Earpieces; Attachments therefor

9.

OPTICAL GAS SENSOR DEVICE

      
Application Number JP2024010940
Publication Number 2024/203688
Status In Force
Filing Date 2024-03-21
Publication Date 2024-10-03
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Nakamura Akira
  • Ehara Masato

Abstract

The present invention uses infrared light that passes along an optical path associated with reflection to increase detection precision for a gas to be detected. A gas sensor device according to the present invention comprises a light source 2 that emits infrared light at a gas to be detected, an optical filter 3 that is a long-pass filter that has a cut-on wavelength that is shorter than the center wavelength of an absorption wavelength band for the gas to be detected and a transmission wavelength that includes the center wavelength and transmits infrared light that has passed through the gas to be detected, a light reception unit 4 that detects infrared light that arrives via the optical filter 3 and generates a detection signal, and an optical cover 1 that covers the light source, the optical filter, and the light reception unit 4. The optical cover 1 has a pipe-shaped light guide 13 that has a circular or elliptical cross-section perpendicular to the axial direction and guides infrared light that arrives from the light source 2 to the light reception unit 4 via the optical filter 3 by reflection at an inner surface.

IPC Classes  ?

10.

PHYSICAL PROPERTY VALUE SENSOR, FLOW SENSOR, PHYSICAL PROPERTY VALUE DETECTION METHOD, AND FLUID DETECTION METHOD

      
Application Number JP2024012033
Publication Number 2024/204245
Status In Force
Filing Date 2024-03-26
Publication Date 2024-10-03
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Suzuki, Satoshi

Abstract

Provided is a physical property value sensor capable of easily reducing the fluid physical property dependency of a flow rate detection value. A property value sensor (1) includes a first heater (11) having a longitudinal direction along the flow direction (323) of a fluid, and a plurality of temperature sensors (12) arranged at different positions with respect to the first heater (11) in a direction orthogonal to the longitudinal direction of the first heater (11).

IPC Classes  ?

  • G01F 1/684 - Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
  • G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity

11.

ANTENNA DEVICE

      
Application Number JP2024013295
Publication Number 2024/204813
Status In Force
Filing Date 2024-03-29
Publication Date 2024-10-03
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Kimura Koya

Abstract

The present invention reduces mutual interference between a plurality of antennas, reduces volume and weight, and prevents degradation of antenna characteristics. An antenna device 1 comprises: an antenna unit 100 for V2X; antenna units 200, 300 for satellite radio wave reception provided in positions adjacent to the antenna unit 100; an antenna unit 500 for radio broadcast reception; and an antenna unit 400 for mobile phone communication disposed between the antenna units 200, 300 and the antenna unit 500. The antenna units 100, 200, 300 are disposed in positions higher than the antenna units 500, 400.

IPC Classes  ?

  • H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
  • B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
  • H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles

12.

LENS DRIVING DEVICE AND CAMERA MODULE

      
Application Number 18608759
Status Pending
Filing Date 2024-03-18
First Publication Date 2024-10-03
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Osaka, Tomohiko
  • Kudo, Norikazu

Abstract

A lens driving device contains at least one lens barrel, a housing for containing the at least one lens barrel therein, a support mechanism for supporting the at least one lens barrel so that the at least one lens barrel can be driven in a vertical direction, and a driving mechanism for providing driving force driving the at least one lens barrel. The support mechanism includes a first support portion fixedly provided in the housing, a second support portion provided on the at least one lens barrel, and a guide member held between the first support portion and the second support portion. Each of the first support portion and the second support portion is formed from magnetic material. The guide member is held between the first support portion and the second support portion by magnetic attraction force generated between the first support portion and the second support portion.

IPC Classes  ?

  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof

13.

HYBRID-TYPE ADC

      
Application Number JP2024006301
Publication Number 2024/190337
Status In Force
Filing Date 2024-02-21
Publication Date 2024-09-19
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Takehana, Hiroaki

Abstract

Provided is a hybrid-type ADC that can suppress the influence of an erroneous determination of quantization and has an improved linear characteristic. This hybrid-type ADC comprises: a first switch connected to an input terminal at which an analog signal is input; a delay integrator connected to the output side of the first switch; a quantizer connected to the output side of the delay integrator; a digital-analog converter that subjects the output of the quantizer to analog conversion; and a first adder that is provided between the first switch and the delay integrator to add together the analog signal that is input to the first switch and an inverted output obtained by inverting the sign of the output of the digital-analog converter. In a first step, the first switch is turned on, the quantizer performs quantization at two levels, and the digital-analog converter performs analog conversion at two levels. In a second step, the first switch is turned off, and, on the basis of the output of the delay integrator in the first step, the quantizer performs quantization at three levels and the digital-analog converter performs analog conversion at three levels.

IPC Classes  ?

  • H03M 3/04 - Differential modulation with several bits

14.

POWER SUPPLY SEMICONDUCTOR INTEGRATED CIRCUIT AND POWER SUPPLY DEVICE

      
Application Number 18596809
Status Pending
Filing Date 2024-03-06
First Publication Date 2024-09-12
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Takano, Yoichi

Abstract

Disclosed is a power supply semiconductor integrated circuit including: a power supply input terminal; a power supply output terminal; a ground terminal; a first external terminal to which a second terminal of a first capacitor is connected; a second external terminal to which a second terminal of a second capacitor is connected; a first detector which detects a voltage of the first external terminal; a second detector which detects a voltage of the second external terminal; a first switch between the first external terminal and the ground terminal; and a second switch between the second external terminal and the ground terminal. The first switch disconnects the second terminal of the first capacitor from ground potential upon receiving a signal from the first detector, and the second switch disconnects the second terminal of the second capacitor from ground potential upon receiving a signal from the second detector.

IPC Classes  ?

  • G05F 1/573 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
  • G05F 1/46 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc

15.

DRIVING DEVICE, OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18598017
Status Pending
Filing Date 2024-03-07
First Publication Date 2024-09-12
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Suzuki, Shun
  • Osaka, Tomohiko

Abstract

A driving device includes a piezoelectric element that vibrates under application of a voltage, a resonance part that resonates with a vibration of the piezoelectric element and moves a moving member into contact the resonance part, and a conductive resin that fixes the piezoelectric element to the resonance part, in which the resonance part includes an accommodating portion capable of accommodating the conductive resin.

IPC Classes  ?

  • H02N 2/04 - Constructional details
  • G03B 3/10 - Power-operated focusing
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

16.

TRANSFORMER, TRANSFORMER AS BOARD MOUNTING PART, AND MANUFACTURING METHOD THEREOF

      
Application Number 18439890
Status Pending
Filing Date 2024-02-13
First Publication Date 2024-08-22
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Daikyuji, Arata

Abstract

A transformer in which a core portion has a hollow portion extending in a front-back direction, a conductive wire is wound around the core portion, a first core and a second core are formed by a material including a magnetic substance, and a shield case is formed by a material that has conductive properties, the shield case having a box shape surrounding the first core and the second core from a front-back direction, an up direction, and a left-right direction of the transformer, front convex portions and back convex portions being provided on an inner wall surface of the shield case and sandwiching the first core and the second core along the front-back direction, and left convex portions and right convex portions being provided on the inner wall surface of the shield case and sandwiching the first core and the second core along the left-right direction.

IPC Classes  ?

  • H01F 27/36 - Electric or magnetic shields or screens
  • H01F 27/02 - Casings
  • H01F 27/26 - Fastening parts of the core together; Fastening or mounting the core on casing or support
  • H01F 27/28 - Coils; Windings; Conductive connections

17.

OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18424946
Status Pending
Filing Date 2024-01-29
First Publication Date 2024-08-01
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Aranai, Masahiko

Abstract

An optical-element driving device that moves a movable part capable of holding an optical element, with respect to a fixing part in an optical-axis direction, the optical-element driving device including: a rotation restricting part that restricts rotation of the movable part in a circumferential direction by contacting recessed and protruding parts with each other, the recessed and protruding parts being disposed on the movable part and the fixing part; and a damper material provided to the rotation restricting part so as to make contact with the movable part and the fixing part.

IPC Classes  ?

  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

18.

ELECTRICAL CONNECTOR

      
Application Number 18403292
Status Pending
Filing Date 2024-01-03
First Publication Date 2024-08-01
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Akaike, Takahiro
  • Suzuki, Isao
  • Kawasaki, Takashi
  • Sadohara, Hiroyuki

Abstract

An electrical connector includes at least one contact pin, an insulating housing for containing the at least one contact pin therein. The at least one contact pin includes a horizontally extending portion, at least one protruding portion extending from the horizontally extending portion in a width direction perpendicular to an insertion and extraction direction of a mating connector. The at least one protruding portion includes a front slope portion and a rear slope portion located closer to the tip side than the front slope portion.

IPC Classes  ?

  • H01R 13/04 - Pins or blades for co-operation with sockets
  • H01R 13/42 - Securing in a demountable manner
  • H01R 13/502 - Bases; Cases composed of different pieces
  • H01R 13/639 - Additional means for holding or locking coupling parts together after engagement
  • H01R 24/40 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
  • H01R 103/00 - Two poles

19.

ELECTRICAL CONNECTOR

      
Application Number 18404632
Status Pending
Filing Date 2024-01-04
First Publication Date 2024-08-01
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Akaike, Takahiro
  • Kawasaki, Takashi
  • Suzuki, Isao
  • Sadohara, Hiroyuki

Abstract

An electrical connector includes a pair of contact pins and an insulating housing for containing the pair of contact pins therein. The contact pin includes a horizontally extending portion extending in an insertion and extraction direction of the mating connector and having a pair of surfaces, facing each other. The housing includes a cylindrical portion linearly extending in the insertion and extraction direction of the mating connector and containing the horizontally extending portion therein, and a pair of insertion holes passing through the cylindrical portion in the insertion and extraction direction of the mating connector and into which the horizontally extending portions of the pair of contact pins are respectively inserted. Each of the pair of insertion holes includes a first wall surface, a second wall surface, and a flat receiving portion formed on the first wall surface.

IPC Classes  ?

  • H01R 13/502 - Bases; Cases composed of different pieces
  • H01R 12/71 - Coupling devices for rigid printing circuits or like structures
  • H01R 13/04 - Pins or blades for co-operation with sockets
  • H01R 13/42 - Securing in a demountable manner
  • H01R 13/639 - Additional means for holding or locking coupling parts together after engagement
  • H01R 24/60 - Contacts spaced along planar side wall transverse to longitudinal axis of engagement
  • H01R 103/00 - Two poles

20.

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

      
Application Number 18426427
Status Pending
Filing Date 2024-01-30
First Publication Date 2024-08-01
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Terada, Chuhei
  • Takano, Yoichi

Abstract

A semiconductor integrated circuit device includes the following. An output transistor is connected between a voltage input terminal and a voltage output terminal. A control circuit controls an on state or an off state of the output transistor. An overcurrent detection circuit is capable of detecting a current that is a predetermined value or more flowing in the output transistor. A retry circuit generates and outputs a signal to intermittently switch the output transistor to the off state according to the overcurrent detection circuit detecting an overcurrent state. An external terminal outputs an error flag signal showing an abnormality. The control circuit repeats control to temporarily turn off the output transistor. After the overcurrent detection circuit detects the overcurrent state, the retry circuit is configured so that the error flag signal continuously shows an abnormality while the control circuit repeats control to temporarily turn off the output transistor.

IPC Classes  ?

  • H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
  • H02H 1/00 - EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS - Details of emergency protective circuit arrangements
  • H03K 5/24 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude

21.

TEMPERATURE SENSOR SHARING SYSTEM, SECONDARY BATTERY PROTECTION INTEGRATED CIRCUIT, BATTERY DEVICE, AND TEMPERATURE DETECTION METHOD

      
Application Number 18407916
Status Pending
Filing Date 2024-01-09
First Publication Date 2024-07-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Yamaguchi, Takeshi
  • Takeshita, Junji

Abstract

A first device: determines whether or not a terminal voltage at a terminal, where a temperature sensor, in which a physical quantity such as a resistance value or a voltage value varies due to changes in temperature, is connected, is in a first voltage range; controls the terminal voltage to vary in accordance with changes of the physical quantity, within the first voltage range, when the terminal voltage is determined to be in the first voltage range, and stops controlling the terminal voltage to vary within the first voltage range when the terminal voltage is determined not to be in the first voltage range; and detects temperature based on the terminal voltage. A second device: controls the terminal voltage to vary in accordance with changes of the physical quantity, within a second voltage range, which is different from the first voltage range; and detects temperature based on the terminal voltage.

IPC Classes  ?

  • H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 10/637 - Control systems characterised by control of the internal current flowing through the cells, e.g. by switching
  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

22.

OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18408660
Status Pending
Filing Date 2024-01-10
First Publication Date 2024-07-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Aranai, Masahiko

Abstract

An optical-element driving device includes at least one set of wire members aligned with each other, configured to couple the fixing part to the housing, and connected to an electrical component of the fixing part. The fixing part includes a recessed portion that is recessed in an upper-lower direction, and a sidewall of the recessed portion includes a first portion and a second portion in a direction in which the wire members are aligned with each other, the first portion located at a position corresponding to each wire member, the second portion located between adjacent ones of the first portions, and the sidewall is shaped to be indented at the first portions to bypass corresponding wire members, and to protrude at the second portion toward a gap between the adjacent wire members.

IPC Classes  ?

  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image

23.

SWITCHING POWER SUPPLY DEVICE

      
Application Number 18409868
Status Pending
Filing Date 2024-01-11
First Publication Date 2024-07-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Sato, Takeshi
  • Kado, Minoru

Abstract

A switching power supply device includes a secondary-side control circuit including a switching control circuit that generates a voltage for ON-OFF control of a switching element for synchronous rectification. The secondary-side control circuit includes an external terminal to which a drain voltage of the switching element is input, a power supply terminal to which a voltage rectified by the switching element is input, a peak hold circuit that holds a peak of the drain voltage input to the external terminal, and an abnormality detection circuit that operates based on the voltage at the power supply terminal or a voltage derived from the voltage at the power supply terminal and a holding voltage of the peak hold circuit, and outputs an abnormality detection signal when detecting an abnormal state in which the voltage at the power supply terminal decreases or no voltage is input to the power supply terminal.

IPC Classes  ?

  • H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
  • H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters

24.

SWITCHING POWER SUPPLY DEVICE

      
Application Number 18414515
Status Pending
Filing Date 2024-01-17
First Publication Date 2024-07-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Kado, Minoru
  • Sato, Takeshi

Abstract

A switching power supply device with synchronous rectification includes a transformer that receives an input voltage on a primary side, a synchronous rectifier element that conducts/breaks a current of a secondary-side coil of the transformer, and a synchronous rectifier control circuit that drives the synchronous rectifier element to be on/off. The synchronous rectifier control circuit includes an ON-timing detection circuit that detects a turn-on timing to turn on the synchronous rectifier element based on a terminal voltage of the synchronous rectifier element, an OFF-timing detection circuit that detects a turn-off timing to turn off the synchronous rectifier element by comparing the terminal voltage of the synchronous rectifier element with a predetermined turn-off threshold voltage, and an ON/OFF control circuit that generates an ON/OFF control signal for the synchronous rectifier element based on an output signal of the ON-timing detection circuit and an output signal of the OFF-timing detection circuit.

IPC Classes  ?

  • H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
  • H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion

25.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number JP2023045519
Publication Number 2024/150619
Status In Force
Filing Date 2023-12-19
Publication Date 2024-07-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Enta, Yohei

Abstract

An optical element driving device according to the present invention comprises: a holding part that can hold an optical element; a fixed part that movably supports the holding part with a support member interposed therebetween; a driving unit that has a first magnet disposed on one of the holding part and the fixed part and a first coil disposed on the other of the holding part and the fixed part, and that moves the holding part; a first yoke that is disposed on the other of the holding part and the fixed part in a manner opposing the first magnet, and biases the holding part towards the support member; and an adjustment unit that has a second magnet disposed on the one of the holding part and the fixed part, and a second coil disposed on the other of the holding part and the fixed part, and that adjusts the biasing force biasing the holding part toward the support member.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

26.

VIBRATION ACTUATOR

      
Application Number JP2023045523
Publication Number 2024/150620
Status In Force
Filing Date 2023-12-19
Publication Date 2024-07-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Hayashi, Ichiro
  • Osaka, Tomohiko

Abstract

A vibration actuator according to the present invention has a fixed part and a mobile part. The fixed part has three or more magnets that are arranged such that opposite magnetic poles are opposite across gaps. The mobile part has a coil. Single side parts of the coil are arranged in the gaps, and the mobile part can reciprocate relative to the fixed part along an axis that is parallel to the single side parts. The magnets include a first magnet that is arranged on the inside of the coil and a second magnet that is arranged on the outside of the coil. The second magnet is connected to a magnetic member at a surface that is on the reverse side from the surface of the magnetic pole that is opposite the first magnet.

IPC Classes  ?

  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • G02B 26/10 - Scanning systems

27.

LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA MOUNTING DEVICE

      
Application Number 18604567
Status Pending
Filing Date 2024-03-14
First Publication Date 2024-07-04
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Sugiura, Taishi

Abstract

Provided are a lens driving device, a camera module, and a camera mounting device with which miniaturization and weight reduction can be achieved. the lens driving device is provided with: a fixing part; a movable part configured to be capable of holding a lens part and movably connected to the fixing part in an optical axis direction; a driving source that moves the movable part; and a flexible printed circuit board that supplies power to the driving source, wherein the flexible printed circuit board includes: a first board part that is fixed to the fixing part; and a second board part that is connected to the first board part and is at least partially apart from the fixing part.

IPC Classes  ?

  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • H04N 23/51 - Housings

28.

ELECTRICAL CONNECTOR

      
Application Number 18528179
Status Pending
Filing Date 2023-12-04
First Publication Date 2024-06-27
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Endo, Kazuma
  • Takano, Yuta
  • Sadohara, Hiroyuki

Abstract

An electrical connector includes at least one contact pin, and at least one insulating housing for containing the at least one contact pin therein. The at least one contact pin includes a horizontally extending portion, at least one protruding portion extending from a side portion of the horizontally extending portion in the at least one housing in a width direction perpendicular to the insertion and extraction direction of the mating connector. The at least one housing includes a cylindrical portion and at least one pressing rib formed on an outer peripheral surface of the cylindrical portion and formed at a position corresponding to the at least one protruding portion of the at least one contact pin.

IPC Classes  ?

  • H01R 24/40 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency

29.

POWER SUPPLY CIRCUIT AND DRIVE CIRCUIT

      
Application Number 18527911
Status Pending
Filing Date 2023-12-04
First Publication Date 2024-06-20
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Yamamoto, Kosuke

Abstract

A power supply circuit includes an output voltage generation circuit configured to generate an output voltage higher than an input voltage, a threshold voltage generation circuit configured to generate a threshold voltage lower than the input voltage, a comparator circuit configured to assert an output signal when the output voltage rises above the threshold voltage, and a threshold voltage varying circuit configured to decrease the threshold voltage when the input voltage increases above a reference voltage.

IPC Classes  ?

  • H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
  • H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load

30.

SEMICONDUCTOR INTEGRATED CIRCUIT

      
Application Number 18529033
Status Pending
Filing Date 2023-12-05
First Publication Date 2024-06-20
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Yamamoto, Kosuke

Abstract

A semiconductor integrated circuit includes a drive terminal, first and second sense terminals, a current source that generates a drive current to be supplied to the drive terminal, an amplifier circuit that differentially amplifies a sense voltage between the first and second sense terminals, and outputs an analog differential voltage, an analog-to-digital converter that converts the analog differential voltage output from the amplifier circuit into a digital value, a command circuit that generates a command signal based on the digital value, so that the sense voltage does not deviate outside a predetermined range, an overcurrent detection circuit that asserts a detection signal when the sense voltage exceeds a predetermined voltage, and a logic circuit that generates a drive pattern for causing the current source to generate the drive current according to the command signal, and stops the supply of the drive current when the detection signal is asserted.

IPC Classes  ?

  • H03K 17/082 - Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
  • H01L 23/62 - Protection against overcurrent or overload, e.g. fuses, shunts
  • H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current

31.

DRIVE CIRCUIT

      
Application Number 18535080
Status Pending
Filing Date 2023-12-11
First Publication Date 2024-06-20
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Mitsuhira, Kenji

Abstract

The present disclosure provides a drive circuit whereby dead times and boost periods can be generated accurately. A drive circuit includes: a drive terminal; a first source current source to generate a first source current; a second source current source to generate a second source current; a first sink current source to generate a first sink current; a second sink current source to generate a second sink current; a logic circuit to generate a source drive command and a sink drive command in accordance with a clock; and a control circuit to generate a source boost signal and a sink boost signal in accordance with the clock.

IPC Classes  ?

  • H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors

32.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED APPARATUS

      
Application Number 18531963
Status Pending
Filing Date 2023-12-07
First Publication Date 2024-06-13
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Aranai, Masahiko

Abstract

According to an embodiment, an optical element driving device is provided with: a movable portion in which an optical element is holdable; a fixed portion which accommodates the movable portion; and a drive unit which operates the movable portion relative to the fixed portion, in which the drive unit includes a magnet arranged on the movable portion and coils arranged on the fixed portion, and the fixed portion includes a base and a bobbin to which at least one of the coils is attached and which is fixed to the base.

IPC Classes  ?

  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

33.

ELECTRICAL CONNECTOR

      
Application Number 18511933
Status Pending
Filing Date 2023-11-16
First Publication Date 2024-06-06
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Endo, Kazuma
  • Takano, Yuta
  • Sadohara, Hiroyuki

Abstract

An electrical connector contains a receptacle assembly, a shell for holding the receptacle assembly, and a cover attached to the shell. The shell includes a body portion for holding the receptacle assembly and a pair of engagement recesses respectively formed on a pair of wall portions of the body portion. The cover includes a body portion, a pair of protruding pieces extending from the body portion toward a base side, and engagement protrusions respectively extending from the pair of protruding pieces toward an inner side. Each of the protruding pieces of the cover has a thick portion and a thin portion having a thickness thinner than a thickness of the thick portion.

IPC Classes  ?

  • H01R 13/506 - Bases; Cases composed of different pieces assembled by snap action of the parts

34.

OPTICAL ELEMENT DRIVING APPARATUS, CAMERA MODULE AND CAMERA-EQUIPPED APPARATUS

      
Application Number 18520627
Status Pending
Filing Date 2023-11-28
First Publication Date 2024-05-30
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Aranai, Masahiko

Abstract

An optical element driving apparatus includes: a movable part; a housing part configured to surround an outer periphery of the movable part and house the movable part, the housing part having a rectangular shape in plan view; a fixing part disposed on one side in an optical axis direction with respect to the movable part and the housing part; a leaf spring member configured to support the movable part such that the movable part is movable in the optical axis direction; and a wire member configured to support the housing part such that the housing part is movable in an optical axis orthogonal direction with respect to the fixing part. The wire member is configured such that a wire group including two or more wire members is disposed at each of four corners of the housing part and connected to a common leaf spring member.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof

35.

Rotary reciprocating drive actuator

      
Application Number 18411109
Grant Number 12095332
Status In Force
Filing Date 2024-01-12
First Publication Date 2024-05-09
Grant Date 2024-09-17
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takahashi, Yuki
  • Kitamura, Yasutaka
  • Kagami, Masaharu
  • Inamoto, Shigenori

Abstract

A rotary reciprocating drive actuator includes an assembled magnetic member has a rectangular shape surrounding the movable member in a plane orthogonal to the axis direction, the core extends in the X direction along one edge of the rectangular shape, and the pair of core parts respectively extend in the Y direction along a pair of opposing edges of the rectangular shape that are different from the one edge, the assembled magnetic member including the pair of magnetic poles, the pair of core parts around which the pair of coils are respectively wound, and the core at which the rotation angle position holding part is disposed, and winding axes of the pair of coils extend along the Y direction.

IPC Classes  ?

  • H02K 33/14 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems wherein the alternate energisation and de-energisation of the two coil systems are effected or controlled by movement of the armatures
  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • G02B 26/10 - Scanning systems
  • H02K 7/08 - Structural association with bearings
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
  • H02K 11/22 - Optical devices

36.

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

      
Application Number 18495945
Status Pending
Filing Date 2023-10-27
First Publication Date 2024-05-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takano, Yoichi
  • Sakurai, Kohei

Abstract

Disclosed is a semiconductor integrated circuit device including: a switching transistor connected between a voltage input terminal where DC voltage is input and a voltage output terminal; a discharging transistor connected between the voltage output terminal and a ground point; an external terminal where a control signal of an external device is input; and a control circuit including a logic circuit and controlling and turning on or off the switching transistor and the discharging transistor based on the control signal. Upon the control signal input to the external terminal being at a first logic level, the logic circuit generates a signal that turns on the switching transistor and turns off the discharging transistor. Upon the control signal being at a second logic level, the logic circuit generates a signal that turns off the switching transistor and turns on the discharging transistor.

IPC Classes  ?

  • H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors
  • H03K 19/20 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits

37.

VEHICLE OCCUPANT DETECTION DEVICE, AND EXECUTION TIMING CONTROL METHOD

      
Application Number 18269017
Status Pending
Filing Date 2021-11-24
First Publication Date 2024-04-11
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Shimizu, Nobutaka
  • Kojima, Akihiko

Abstract

The present invention suppresses the unnecessary detection of an occurrence of a person being left behind in a vehicle. A vehicle occupant detection device (100) comprises: a distance detection unit (101) that detects the relative distance between a vehicle (200) and a first occupant; an occupant detection unit (102) that detects the presence/absence of a second occupant in the vehicle (200); and an execution timing controller (103) that, according to the detected relative distance, controls the execution timing of the detection operation by the occupant detection unit (102).

IPC Classes  ?

  • G08B 21/22 - Status alarms responsive to presence or absence of persons
  • G01S 13/04 - Systems determining presence of a target

38.

LENS DRIVING APPARATUS, CAMERA MODULE, AND CAMERA-MOUNTED APPARATUS

      
Application Number 18543074
Status Pending
Filing Date 2023-12-18
First Publication Date 2024-04-11
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor Sugawara, Masayoshi

Abstract

A lens driving apparatus includes: a lens holder for holding a lens; a fixing part configured to contain the lens holder such that the lens holder is capable of moving in a direction of an optical axis; a pair of ball arrays disposed with a gap therebetween at an outside of the lens holder and each disposed in parallel to the optical axis; an urging part provided to the fixing part and configured to urge one ball array of the pair of ball arrays in a direction orthogonal to the optical axis to hold the lens holder such that the lens holder is capable of moving in the direction of the optical axis; and a driving part configured to move the lens holder in the direction of the optical axis.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 13/36 - Autofocus systems
  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof

39.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, CAMERA-MOUNTED DEVICE, AND DRIVING METHOD

      
Application Number 18376449
Status Pending
Filing Date 2023-10-04
First Publication Date 2024-04-11
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Hiwatashi, Koki
  • Itagaki, Yoichi

Abstract

An optical element driving device includes a fixed body, a movable body, a driving part that converts vibration motion of a piezoelectric element into linear motion for driving the movable body, a drive control part that applies a drive signal to the driving part, a drive detection part that detects the drive state of the driving part, and a temperature measurement part that measures an ambient temperature. The drive control part determines whether or not a drive error of the driving part occurs from the information detected by the drive detection part. When the drive error occurs, drive control part compares an ambient temperature associated with the current drive frequency with the current ambient temperature measured by the temperature measurement part, corrects the drive frequency according to the comparison result, and stores the corrected drive frequency and the current ambient temperature in association with each other.

IPC Classes  ?

  • G03B 3/10 - Power-operated focusing
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

40.

CONTROL DEVICE AND VIBRATION PRESENTING APPARATUS

      
Application Number 18369508
Status Pending
Filing Date 2023-09-18
First Publication Date 2024-03-28
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Dan, Toru
  • Nguyen, Thi Hong Thu

Abstract

Provided is a control device controlling an electromagnetic actuator that drives an operation device, supported in an elastically vibratable manner by an elastic support part, in one direction of a vibration direction of the operation device to vibrate the operation device. The control device includes a circuit that applies a main driving signal to a coil of the electromagnetic actuator to start vibration of the operation device in response to a touch operation on the operation device, then applies a sub-driving signal to the coil to adjust an attenuation period of the vibration. The sub-driving signal has a variable voltage varying with an offset voltage, as a center value, offset from a zero voltage, and a waveform that indicates a variation in the variable voltage is a sine function curve or a cosine function curve.

IPC Classes  ?

  • H01F 7/06 - Electromagnets; Actuators including electromagnets
  • B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
  • H01F 7/08 - Electromagnets; Actuators including electromagnets with armatures

41.

CONTROL DEVICE AND VIBRATION PRESENTING APPARATUS

      
Application Number 18369603
Status Pending
Filing Date 2023-09-18
First Publication Date 2024-03-21
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Dan, Toru
  • Nguyen, Thi Hong Thu

Abstract

Provided is a control device controlling an electromagnetic actuator that drives an operation device, supported in an elastically vibratable manner by an elastic support part, in one direction of a vibration direction of the operation device to vibrate. The control device includes a circuit that applies a main driving signal to a coil of the electromagnetic actuator to start vibration of the operation device in response to a touch operation on the operation device, then applies a sub-driving signal to the coil to adjust an attenuation period of the vibration. The sub-driving signal has a variable voltage varying with an offset voltage, as a center value, offset from a zero voltage, and a waveform that indicates a variation in the variable voltage is a sine function curve or a cosine function curve. The circuit applies the sub-driving signal while changing the offset voltage for each cycle.

IPC Classes  ?

  • H01F 7/06 - Electromagnets; Actuators including electromagnets
  • B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
  • H01F 7/08 - Electromagnets; Actuators including electromagnets with armatures

42.

SECONDARY BATTERY PROTECTION INTEGRATED CIRCUIT, POWER SUPPLY SYSTEM, AND BATTERY DEVICE

      
Application Number 18366265
Status Pending
Filing Date 2023-08-07
First Publication Date 2024-03-07
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Yamaguchi, Takeshi
  • Takeshita, Junji

Abstract

A secondary battery protection integrated circuit includes a first power supply terminal, a second power supply terminal, an input terminal, an output terminal, and a control circuit. The control circuit turns a discharge control transistor off to change to a discharge-blocked state in which the output terminal and the first power supply terminal are coupled to each other, upon occurrence in a condition in which a potential level of the input terminal changes from a first level. The control circuit turns the discharge control transistor on in the discharge blocked state, upon occurrence of a condition in which the input terminal changes from a second level that is different from the first level.

IPC Classes  ?

  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

43.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number JP2023022285
Publication Number 2024/048012
Status In Force
Filing Date 2023-06-15
Publication Date 2024-03-07
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Murakami, Tomoyuki

Abstract

The present invention provides a reliable optical element driving device, camera module, and camera-equipped device that are capable of stabilizing movement of a movable part. The optical element driving device comprises a fixed part, a movable part including an optical element and movable relative to the fixed part via a rolling body, an ultrasonic motor-type driving part positioned on an active-side member, which is either one of the fixed part and the movable part, to move the movable part relative to the fixed part, and a power transmission part for connecting the driving part to a passive-side member, which is the other one of the fixed part and the movable part, to transmit power of the driving part to the passive-side member. The driving part has a resonant part with a pair of vibrating arms, and the power transmission part has a guiding part for guiding the rolling body and is sandwiched in a state of being urged by the pair of arms.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/50 - Constructional details
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

44.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA MOUNTING DEVICE

      
Application Number JP2023022281
Publication Number 2024/048011
Status In Force
Filing Date 2023-06-15
Publication Date 2024-03-07
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Murakami, Tomoyuki

Abstract

Provided are an optical element driving device, a camera module, and a camera mounting device that are highly reliable and are capable of achieving stable movement actions of a movable unit. The optical element driving device comprises: a fixed part; a movable part that includes an optical element; an ultrasonic motor-type driving part that is disposed on an active-side member made up of any one among the fixed part and the movable part, and causes the movable part to move with respect to the fixed part; and a power transmitting part that couples a passive-side member made up of the other among the fixed part and the movable part, and the driving part, and transmits the power of the driving part to the passive-side member. The driving part has a resonating part that has a pair of arms that vibrate. The motive power transmitting part has a passive member that is gripped while being urged by the pair of arms, and a coupling member that couples the passive member and the passive-side member. The coupling member is elastically deformable.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/50 - Constructional details
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

45.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18229736
Status Pending
Filing Date 2023-08-03
First Publication Date 2024-02-08
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Osaka, Tomohiko
  • Suzuki, Shun

Abstract

An optical element driving device includes: a driving part configured to drive a holding part configured to hold an optical element; a substrate including a circuit including an inductor configured to increase an input voltage to the driving part; and a cover member comprising a metal and including an opening and a flange part extending at an outer periphery of the opening, the cover member being configured to cover the inductor in a state where the inductor is housed in the opening and the flange part is disposed on the substrate. The substrate includes a metal layer disposed to face the inductor. The metal layer is formed to include a region where the inductor is disposed in plan view.

IPC Classes  ?

  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism

46.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18229770
Status Pending
Filing Date 2023-08-03
First Publication Date 2024-02-08
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Suzuki, Shun
  • Osaka, Tomohiko

Abstract

An optical element driving device includes: a holding part configured to hold an optical element; a housing part configured to house the holding part such that the holding part is movable in an optical path direction of the optical element; a driving part including a piezoelectric element configured to drive the holding part; an inductor configured to increase an input voltage to the piezoelectric element; and a position sensor configured to acquire a relative position of the holding part and the housing part in the optical path direction by detecting a magnetic force of a magnet. In regions defined by dividing the holding part and the housing part into equal quarters around an optical axis, the driving part and the position sensor are disposed in a same region, and the inductor is disposed in a region different from the same region.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification

47.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18229750
Status Pending
Filing Date 2023-08-03
First Publication Date 2024-02-08
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Osaka, Tomohiko
  • Suzuki, Shun

Abstract

An optical element driving device configured to drive an optical element, the optical element driving device including: a holding part configured to hold an optical element; a housing part configured to house inside the holding part; and a supporting part interposed between an outer peripheral surface of the holding part and an inner peripheral surface of the housing part, and including a plurality of rolling members configured to be held by a retainer in a rollable manner, the supporting part being configured to support the holding part with the plurality of rolling members such that the holding part is movable with respect to the housing part. At least one of the outer peripheral surface and the inner peripheral surface includes a first recess formed at a portion facing the retainer.

IPC Classes  ?

  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
  • G02B 13/00 - Optical objectives specially designed for the purposes specified below
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers

48.

ELECTRONIC SHELF LABEL SYSTEM

      
Application Number 18254587
Status Pending
Filing Date 2021-11-26
First Publication Date 2024-02-08
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Miyamoto, Hirokatsu
  • Okada, Tomoyuki
  • Yoshida, Yuya

Abstract

An electronic shelf label system 1 includes a cluster-type network CN constructed from a plurality of electronic shelf label devices and an application device communicatively connected to the cluster-type network CN. The cluster-type network CN includes a shelf label hierarchy constructed from a plurality of electronic shelf label devices which function as shelf labels for a plurality of products and a relay hierarchy constructed from a plurality of electronic shelf label devices each of which relays a signal transmitted from the application device to one of the plurality of electronic shelf label devices 4 of the shelf label hierarchy.

IPC Classes  ?

  • G09F 3/20 - Casings, frames, or enclosures for labels for adjustable, removable, or interchangeable labels
  • H04W 76/14 - Direct-mode setup

49.

OPTICAL ELEMENT DRIVE DEVICE, CAMERA MODULE, AND CAMERA MOUNTING DEVICE

      
Application Number 18268653
Status Pending
Filing Date 2021-11-22
First Publication Date 2024-02-08
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Osaka, Tomohiko
  • Suzuki, Shun

Abstract

This optical element drive device comprises: a movable part; a drive unit; a substrate part that can supply power to the movable part; and a power supply path unit that constitutes a power supply path between the substrate part and the movable part by extending so as to connect a substrate-part-side terminal and a movable-part side terminal that are set apart from each other in a second direction, the power supply path unit having in at least a portion a coil part that can extend and contract in accordance with the movement of the movable part.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers

50.

Electrical connector and electronic device

      
Application Number 18485243
Grant Number 12062871
Status In Force
Filing Date 2023-10-11
First Publication Date 2024-02-01
Grant Date 2024-08-13
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Tanaka, Tetsuya

Abstract

An electrical connector contains a plurality of contacts, a first ground plate and a second ground plate facing the plurality of contacts and arranged so as to be separated from each other in a ground plane parallel to the at least one plane in which the plurality of contacts are arranged and an insulator for holding the plurality of contacts, the first ground plate and the second ground plate in a state that the plurality of contacts, the first ground plate and the second ground plate are insulated from each other. Both of the first ground plate and the second ground plate include an extending portion extending from one of the first ground plate and the second ground plate toward the other one of the first ground plate and the second ground plate in the ground plane.

IPC Classes  ?

  • H01R 13/6471 - Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
  • H01R 13/405 - Securing in non-demountable manner, e.g. moulding, riveting

51.

POSITION INDICATOR

      
Application Number JP2023026379
Publication Number 2024/019079
Status In Force
Filing Date 2023-07-19
Publication Date 2024-01-25
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Kamiya, Hiroshi
  • Shichiri, Yuma
  • Makizono, Katsumi
  • Shindo, Yasushi

Abstract

A position indicator 1 is used for a position detection sensor 9 that performs position detection on the basis of changes in electrostatic capacity. The position indicator 1 comprises: a cylindrical first shield electrode 8; a first electrode 31 that is provided within the first shield electrode 8 and has a tip-end portion protruding from the first shield electrode 8; and a second electrode 32 that is located on the tip-end side of the first electrode 31 and provided with a contact section 322 that contacts the position detection sensor 9. The position indicator 1 receives an AC signal V1 of the position detection sensor 9 via the second electrode 32 and sends an output signal V2 to the position detection sensor 9 via the first electrode 31.

IPC Classes  ?

  • G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
  • G06F 3/044 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

52.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 18343855
Status Pending
Filing Date 2023-06-29
First Publication Date 2024-01-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takahashi, Yuki
  • Kitamura, Yasutaka
  • Kagami, Masaharu
  • Otsuka, Yuki
  • Masamoto, Kai

Abstract

A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a movable object is connected at one end portion side of the shaft part, and a magnet fixed to an other end portion side of the shaft part, the movable body being supported to be capable of performing a reciprocating rotation about an axis; a core assembly including a magnet position holding portion defining a reference position of the reciprocating rotation; and a sensor board on which a sensor for detecting a rotational angle of the shaft part is mounted, the sensor board being disposed to cover the core assembly from the other end portion side, with the sensor facing the magnet side.

IPC Classes  ?

  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • H02K 11/22 - Optical devices
  • H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines

53.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 18343872
Status Pending
Filing Date 2023-06-29
First Publication Date 2024-01-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Otsuka, Yuki
  • Kitamura, Yasutaka
  • Kagami, Masaharu
  • Takahashi, Yuki
  • Masamoto, Kai

Abstract

A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a magnet is fixed and being capable of performing a reciprocating rotation around an axis; a base portion including a pair of wall portions for supporting the shaft part via a bearing such that the shaft part is rotatable; a core assembly including: a core body having a plurality of magnetic poles facing an outer circumference of the magnet to sandwich the magnet, a coil body wound around the core body and energized to cause a reciprocating rotation of the movable body, and a magnet position holding portion generating a magnetic attraction force between the magnet position holding portion and the magnet to define a reference position of the reciprocating rotation; and a preload applying part externally fitted to the shaft part and configured to apply a preload to the bearing.

IPC Classes  ?

  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

54.

ANTENNAATTACHMENT AND ANTENNA DEVICE

      
Application Number 18308729
Status Pending
Filing Date 2023-04-28
First Publication Date 2024-01-18
Owner
  • MITSUMI ELECTRIC CO., LTD. (Japan)
  • TOYOTA JIDOSHA KABUSHIKI KAISHA (Japan)
Inventor
  • Hatakeyama, Yutaka
  • Miura, Ryutaro
  • Sato, Satoshi
  • Takizawa, Hisashi
  • Kishiue, Yoshifumi
  • Wakahara, Shinobu
  • Nakamura, Takuto

Abstract

An antenna attachment including: a male screw part to be screwed with an antenna main body of an antenna device to be installed on a moving body, the male screw part including a head portion, a thread portion, and an intermediate portion between the head portion and the thread portion having a cross section smaller than the head portion and the thread portion; and a washer including a hole portion allowing passage of part of the male screw part. The hole portion has a shape in which a first hole and a second hole having different sizes are overlapped. The first hole has a shape not allowing passage of the head portion and the thread portion and allowing passage of the intermediate portion. The second hole has a shape not allowing passage of the head portion and allowing passage of the thread portion and the intermediate portion.

IPC Classes  ?

  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01Q 9/04 - Resonant antennas

55.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 18350837
Status Pending
Filing Date 2023-07-12
First Publication Date 2024-01-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Masamoto, Kai
  • Takahashi, Yuki
  • Kitamura, Yasutaka
  • Kagami, Masaharu
  • Otsuka, Yuki

Abstract

A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a magnet is fixed, the movable body being configured to perform a reciprocating rotation about an axis; a base portion including a pair of wall portions for supporting the shaft part via a bearing; and a core assembly including: a core body including a plurality of magnetic poles facing the magnet, a coil body, and a magnet position holding portion to define a reference position of the reciprocating rotation, the core assembly being fixed to one wall portion, in which at least one of the base portion, the core body, or the core assembly includes a positioning fixation part for positioning and fixing the at least one of the base portion, the core body, or the core assembly to a fixation target object in a direction parallel to the shaft part.

IPC Classes  ?

  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • G02B 26/10 - Scanning systems

56.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 18350851
Status Pending
Filing Date 2023-07-12
First Publication Date 2024-01-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Kagami, Masaharu
  • Kitamura, Yasutaka
  • Takahashi, Yuki
  • Otsuka, Yuki
  • Masamoto, Kai

Abstract

A rotary reciprocating drive actuator includes: a main body unit including: a movable body including a shaft part to which a movable object is connected and to which a magnet is fixed, and a base portion including a pair of wall portions disposed to sandwich the movable object, the base portion supporting the shaft part by the pair of wall portions; a core assembly including: a core body including a plurality of magnetic poles facing an outer circumference of the magnet, a coil body, and a magnet position holding portion; and a connecting surface portion that is integrally disposed on the one end portion side of the core assembly, and that is attached to the one wall portion in a state where the shaft part is inserted into an opening portion and the magnet is disposed in the core assembly.

IPC Classes  ?

  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • G02B 26/10 - Scanning systems

57.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 18350857
Status Pending
Filing Date 2023-07-12
First Publication Date 2024-01-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Kagami, Masaharu
  • Kitamura, Yasutaka
  • Takahashi, Yuki
  • Otsuka, Yuki
  • Masamoto, Kai

Abstract

The present invention includes: a movable body including a magnet fixed to an other end portion side of a shaft part to which a movable object is connected at one end portion side; a core assembly including a core body including a plurality of magnetic poles facing an outer circumference of the magnet, a coil body wound around the core body, a magnet position holding portion energized to generate a magnetic attraction force between the magnet position holding portion and the magnet to define a reference position of the reciprocating rotation; and a circuit board disposed to cover the core assembly at the other end side, in which the coil body includes a terminal part to which an end portion of a coil is connected and that is disposed to protrude to the circuit board side so as to be connected to a circuit of the circuit board.

IPC Classes  ?

  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • G02B 26/10 - Scanning systems

58.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 18351576
Status Pending
Filing Date 2023-07-13
First Publication Date 2024-01-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takahashi, Yuki
  • Kitamura, Yasutaka
  • Kagami, Masaharu
  • Otsuka, Yuki
  • Masamoto, Kai

Abstract

A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a movable object is connected, and a magnet; a base portion including a pair of wall portions disposed to sandwich the movable object and support the shaft part; a core assembly including a core body including a plurality of magnetic poles, a coil body, and a magnet position holding portion to define a reference position of the reciprocating rotation, the core assembly being attached to one wall portion; and a sensor board that is attached to an other wall portion and on which a sensor configured to detect a rotational angle of the one end portion of the shaft part is mounted, in which the sensor board is disposed such that the sensor faces the other wall portion from an outer surface side of the other wall portion and detects the rotational angle.

IPC Classes  ?

  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • H02K 11/22 - Optical devices
  • G02B 26/10 - Scanning systems

59.

ANTENNA DEVICE

      
Application Number 18308715
Status Pending
Filing Date 2023-04-28
First Publication Date 2024-01-11
Owner
  • MITSUMI ELECTRIC CO., LTD. (Japan)
  • TOYOTA JIDOSHA KABUSHIKI KAISHA (Japan)
Inventor
  • Taguchi, Makoto
  • Momma, Daiki
  • Miura, Ryutaro
  • Takizawa, Hisashi
  • Saito, Kazunari
  • Kishiue, Yoshifumi
  • Wakahara, Shinobu
  • Saitoh, Takashi

Abstract

An antenna device including: an antenna element; an enclosure having a wall body on which the antenna element is placed in a state of being joined to an inner surface of the wall body; and a printed substrate on which the antenna element is mounted with a leg portion of the antenna element connected to one surface of the printed substrate, which is stored inside the enclosure. Holding pieces to sandwich the antenna element between the wall body of the enclosure and the holding pieces are formed at a predetermined interval on the inner surface of the wall body of the enclosure. Respective sizes of and intervals between the holding pieces are set such that a difference between a deflection amount of the wall body and a deflection amount of the antenna element when the enclosure vibrates is less than or equal to a predetermined value.

IPC Classes  ?

  • H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
  • H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
  • H01Q 1/48 - Earthing means; Earth screens; Counterpoises

60.

INSULATED POWER SUPPLY APPARATUS AND SEMICONDUCTOR DEVICE FOR POWER SUPPLY CONTROL

      
Application Number 18348405
Status Pending
Filing Date 2023-07-07
First Publication Date 2024-01-11
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Imade, Daisuke
  • Matsuda, Hiroki
  • Hyugaji, Takumi
  • Murata, Yukio

Abstract

An insulated power supply apparatus includes: a transformer; a switching element connected in series with a primary-side winding of the transformer; an active clamp circuit connected between terminals of the winding; and a semiconductor device for power supply control that controls the switching element and the active clamp circuit. A current-to-voltage converter element is connected in series with the switching element. The semiconductor device includes: a circuit that generates a timing to turn off the switching element based on a voltage obtained by conversion by the converter element and a predetermined turn-off threshold level; a circuit that performs ON/OFF control of the switching element in a burst mode at a predetermined load or less; and a circuit that, in the burst mode, changes a burst frequency to be lower as a load current is smaller with the number of switching times of the switching element in one burst cycle fixed.

IPC Classes  ?

  • H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

61.

MOVABLE DEVICE, MEMS DEVICE AND OPTICAL SCANNING APPARATUS

      
Application Number 18341131
Status Pending
Filing Date 2023-06-26
First Publication Date 2024-01-04
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Taira, Tomohiro

Abstract

A movable device includes a movable portion and a drive structure configured to drive the movable portion. The movable device includes a support frame that surrounds the movable portion and supports the drive structure. The movable device includes electrodes electrically coupled to the drive structure. The movable device includes pseudo electrodes electrically isolated from the drive structure. The electrodes and the pseudo electrodes are provided on the support frame.

IPC Classes  ?

  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • B81C 99/00 - Subject matter not provided for in other groups of this subclass
  • B81B 3/00 - Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes

62.

Semiconductor integrated circuit

      
Application Number 18462639
Grant Number 12072375
Status In Force
Filing Date 2023-09-07
First Publication Date 2023-12-28
Grant Date 2024-08-27
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Takano, Yoichi

Abstract

A semiconductor integrated circuit includes: one input terminal; multiple output terminals; multiple first current control elements connected between the input terminal and the respective output terminals; a control circuit that controls the first current control elements; a fault detection circuit that includes multiple voltage comparator circuits each of which compares a voltage proportional to a voltage of one of the output terminals with a predetermined threshold voltage and that detects an open-circuit state or a short-circuit state of the output terminals; an external terminal connected to an external resistor; a voltage convertor circuit that generates the threshold voltage according to a voltage of the external terminal that is generated by flowing a current through the external resistor, the threshold voltage being applied to an input terminal of each of the voltage comparator circuits; and a detection result output terminal for outputting a detection result by the fault detection circuit.

IPC Classes  ?

  • G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
  • H03K 5/24 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude

63.

OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE AND CAMERA-MOUNTED DEVICE

      
Application Number 18251254
Status Pending
Filing Date 2021-09-28
First Publication Date 2023-12-21
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Osaka, Tomohiko
  • Sugawara, Masayoshi
  • Ishikawa, Masahiro
  • Kojima, Shusuke

Abstract

Provided are an optical element drive device, a camera module, and a camera-equipped device that are small and low-profile but also improve drive performance and noise reduction performance. An optical element drive device that comprises a fixed part, a mobile part that is separated from the fixed part in the optical axis direction, a support part that supports the mobile part on the fixed part, a drive unit that moves the mobile part relative to the fixed part within an optical axis orthogonal plane that is orthogonal to the optical axis direction, and a tension coil spring that connects the fixed part and the mobile part and urges the fixed part and the mobile part toward each other. A damper material is provided to the tension coil spring.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G03B 5/02 - Lateral adjustment of lens
  • G03B 5/04 - Vertical adjustment of lens; Rising fronts

64.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number 18251257
Status Pending
Filing Date 2021-09-28
First Publication Date 2023-12-21
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Osaka, Tomohiko
  • Sugawara, Masayoshi
  • Ishikawa, Masahiro
  • Kojima, Shusuke

Abstract

An optical element driving device includes: a fixed part; a movable part disposed apart from the fixed part; a support part which supports the movable part with respect to the fixed part; and a driving unit which has an ultrasonic motor that converts a vibration motion into a linear motion and a power transmission part that transmits the driving force of the ultrasonic motor to the movable part, and moves the movable Dart with respect to the fixed Dart, wherein the power transmission part has a plate which is in contact with a resonance part of the ultrasonic motor, and a damper material is disposed on a second surface side opposite to a first surface which is in contact with the resonance part in the plate.

IPC Classes  ?

65.

DRIVE UNIT, LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number 18252540
Status Pending
Filing Date 2021-10-08
First Publication Date 2023-12-21
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Suzuki, Shun
  • Sugawara, Masayoshi

Abstract

This drive unit comprises: an ultrasonic motor that converts the oscillation of a piezoelectric element to linear movement; a contact part that contacts a resonating part; a support part that is connected to a moveable part and supports the contact part; and an impelling part which is coupled to the contact part and which impels the contact part toward the resonating part so that the contact part moves in accordance with the resonance of the resonating part and transmits impelling force to the moveable part via the support part.

IPC Classes  ?

  • G02B 7/10 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
  • G03B 5/02 - Lateral adjustment of lens
  • H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners

66.

OPTICAL ELEMENT DRIVING APPARATUS, CAMERA MODULE AND CAMERA-EQUIPPED APPARATUS

      
Application Number 18331426
Status Pending
Filing Date 2023-06-08
First Publication Date 2023-12-14
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Aranai, Masahiko

Abstract

An optical element driving apparatus includes: a coil and a magnet separately disposed at a movable part configured to hold an optical element and a fixing part configured to support the movable part, the coil and the magnet being configured to operate in conjunction with each other to move the movable part with respect to the fixing part; and a magnetic sensor configured to detect a position of the movable part based on a relative position with respect to the magnet. The magnetic sensor is mounted on a magnetic sensor substrate, the magnetic sensor substrate is housed in a recess provided in the fixing part.

IPC Classes  ?

  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

67.

OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE AND CAMERA-MOUNTED DEVICE

      
Application Number 18253796
Status Pending
Filing Date 2021-09-28
First Publication Date 2023-12-07
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Osaka, Tomohiko

Abstract

An optical-element driving device includes: a fixing part; a movable part disposed apart from the fixing part; a supporting part configured to support the movable part with respect to the fixing part; a driving unit that includes an ultrasonic motor including a piezoelectric element and an active element configured to resonate with vibration of the piezoelectric element; and a passive element that moves relatively with respect to the active element; and that is configured such that the active element and the passive element make contact with each other in a biased manner to move the movable part with respect to the fixing part; and an enclosing portion enclosing, on the passive element, at least a part of a contact region between a passive-side contact portion of the passive element and an active-side contact portion of the active element.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 5/04 - Vertical adjustment of lens; Rising fronts
  • B06B 1/02 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction

68.

ELECTRICAL CONNECTOR AND METHOD FOR MANUFACTURING ELECTRICAL CONNECTOR

      
Application Number 18199904
Status Pending
Filing Date 2023-05-19
First Publication Date 2023-11-30
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Okamoto, Tsubasa
  • Tsutsui, Takaki

Abstract

An electrical connector includes an insulating housing, which is equipped with a base section, a tongue-shaped section, multiple accommodation concave sections formed on the tongue-shaped section, and multiple protrusion sections extending from tip surfaces of the multiple accommodation sections toward a base end side, and multiple contacts, which are held on the tongue-shaped section of the housing so as to be arranged on a contact plane and extend linearly along an insertion/removal direction of a mating connector. Respective tip sections of the multiple contacts are located within the multiple accommodation concave sections, and the multiple protrusion sections are in contact with the tip sections of the multiple contacts. The multiple contacts are not bonded to the tongue-shaped section of the housing.

IPC Classes  ?

  • H01R 13/405 - Securing in non-demountable manner, e.g. moulding, riveting
  • H01R 13/504 - Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
  • H01R 43/18 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members

69.

OPTICAL GAS SENSOR DEVICE

      
Application Number JP2023016399
Publication Number 2023/210674
Status In Force
Filing Date 2023-04-26
Publication Date 2023-11-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Okamoto Mitsuhiro
  • Ehara Masato
  • Nakamura Akira
  • Furukawa Kenichi

Abstract

The present invention improves the accuracy of detection of a gas being detected, by freely forming an optical path in three dimensions. An optical gas sensor device 100 comprises: a light source 2 that emits infrared radiation to a gas being detected; an optical filter 3 that transmits infrared radiation having a wavelength corresponding to the absorption wavelength of the gas being detected; a light receiving unit 4 that detects infrared radiation incoming through the optical filter 3 and generates a detection signal; and a cover 1 that covers the light source 2, the optical filter 3, and the light receiving unit 4. The cover 1 has a light guiding part 13 that guides the infrared radiation incoming from the light source 2 by reflections on the inner surface thereof to the light receiving unit 4 through the optical filter 3, has a pipe shape, and has a circular or oval cross-section perpendicular to the axial direction thereof.

IPC Classes  ?

  • G01N 21/61 - Non-dispersive gas analysers
  • G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light

70.

DIRECT CURRENT POWER SUPPLY APPARATUS

      
Application Number 18298423
Status Pending
Filing Date 2023-04-11
First Publication Date 2023-10-12
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Tabuchi, Hitoshi
  • Tochitani, Koji
  • Mishima, Takehito

Abstract

A direct current power supply apparatus that converts direct current input voltage supplied from a direct current power supply and that outputs a direct current voltage at a different potential is shown. The apparatus includes a switching power supply apparatus and a current stabilizing circuit connected at a stage before or after the switching power supply apparatus. The switching power supply apparatus includes, an oscillating circuit in which a frequency is variable and that generates an oscillating signal to apply a switching frequency, and an oscillating control circuit that generates an oscillating control voltage or an oscillating control current that changes the frequency of the oscillating circuit to the frequency longer than the switching frequency.

IPC Classes  ?

  • H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
  • H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion

71.

OPTICAL ELEMENT DRIVING APPARATUS, CAMERA MODULE, AND CAMERA-MOUNTED APPARATUS

      
Application Number 18127022
Status Pending
Filing Date 2023-03-28
First Publication Date 2023-10-05
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Sugawara, Masayoshi
  • Kumagai, Kugo

Abstract

The optical element driving apparatus includes: a fixing part; a movable part allowing an optical element to be held therein; a plurality of support members supporting the movable part with respect to the fixing part; and a driving part that moves the movable part in a direction of an optical axis. The plurality of support members is formed of an elastic resin material, and each of the plurality of support members includes a movable-side connection part, which is connected to the movable part, and a fixed-side connection part, which is connected to the fixing part. A plurality of the movable-side connection parts and a plurality of the fixed-side connection parts are alternately arranged in a circumferential direction around the optical axis.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers

72.

OPTICAL GAS SENSOR DEVICE, GAS DETECTION METHOD, AND PROGRAM

      
Application Number JP2023010227
Publication Number 2023/189637
Status In Force
Filing Date 2023-03-16
Publication Date 2023-10-05
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Nakamura Akira

Abstract

The present invention ensures the accuracy of gas detection and achieves simplified device configuration. An optical gas sensor device 100 comprises: a light source 2 that emits infrared rays to gas G being detected; an optical filter 3 that transmits rays having a wavelength corresponding to the absorption wavelength of the gas G being detected; a light receiving unit 4 that detects infrared rays incoming through the optical filter 3 and generates a detection signal; and a signal processing unit 5 that calculates, from the detection signal, the gas concentration of the gas G being detected or a value corresponding to the gas concentration, compares the calculated gas concentration or value corresponding to the gas concentration against a preset threshold value, and determines the state of the optical gas sensor device 100 according to the result of the comparison.

IPC Classes  ?

  • G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
  • G01N 21/61 - Non-dispersive gas analysers

73.

OPTICAL GAS SENSOR DEVICE

      
Application Number JP2023010228
Publication Number 2023/189638
Status In Force
Filing Date 2023-03-16
Publication Date 2023-10-05
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Itatani Haruki
  • Nakamura Akira
  • Yamabayashi Tomoaki

Abstract

An object is to improve the electromigration resistance and stress migration resistance of a light source. This optical gas sensor device includes: a light source 2 that emits infrared rays to a gas to be detected; an optical filter that transmits infrared rays having a wavelength corresponding to the absorption wavelength of the gas to be detected; and a light receiving unit that detects infrared rays incident thereon through the optical filter and generates a detection signal. The light source 2 includes: a Si substrate 211; a light source layer 221 provided on the Si substrate 211 and emitting infrared rays; electrodes 231 and 232 electrically connected to the light source layer 221 and supplying current to the light source layer 221; a protective layer 214 provided on the surface of the light source 2; and an electrode support layer 213 that supports the electrodes 231 and 232 and consists of an insulator that has a smaller difference in thermal expansion coefficient with the electrodes than the difference in thermal expansion coefficient between the protective layer 214 and the electrodes 231 and 232.

IPC Classes  ?

  • G01N 21/61 - Non-dispersive gas analysers
  • G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis

74.

OPTICAL ACTUATOR, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18112631
Status Pending
Filing Date 2023-02-22
First Publication Date 2023-09-14
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Kikuchi, Atsushi
  • Hayashi, Ichiro
  • Kimura, Yoshihiro

Abstract

An optical actuator is an optical actuator configured to move an optical element by a driving part, and includes a movable-side member including a base portion configured to hold the optical element, and a fixed-side member configured to support the movable-side member such that the movable-side member is movable, in which the movable-side member includes a cushioning member that is engaged with the base portion to be prevented from coming off.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G03B 13/36 - Autofocus systems
  • G03B 5/06 - Swinging lens about normal to the optical axis

75.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18118162
Status Pending
Filing Date 2023-03-07
First Publication Date 2023-09-14
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Osaka, Tomohiko
  • Suzuki, Shun
  • Wang, Meng

Abstract

An optical element driving device driving an optical element in the optical path direction includes: a holding part capable of holding the optical element; an housing part that surrounds a circumference of the holding part and houses the holding part; and inside the housing part, a support part including a first support part and a second support part disposed on the circumference at different positions, and supports the holding part to be movable in the optical path direction by pressing the holding part by the first support part and engaging the second support part with the holding part in accordance with the pressing. The support part is configured to allow adjustment of an engagement position between the second support part and the holding part by relatively displacing facing portions of the second support part and the holding part in a circumferential direction according to the pressing.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

76.

OPTICAL ACTUATOR, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 18114257
Status Pending
Filing Date 2023-02-26
First Publication Date 2023-09-14
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Takimoto, Yukihiro
  • Kikuchi, Atsushi
  • Hayashi, Ichiro
  • Kimura, Yoshihiro

Abstract

An optical actuator is an optical actuator configured to move an optical element by a driving part, and includes a movable-side member configured to hold the optical element, a fixed-side member configured to support the movable-side member such that the movable-side member is movable, and a cushioning member disposed on the movable-side member, in which the cushioning member includes a first cushioning surface and a second cushioning surface that face the fixed-side member at respective different distances.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

77.

HIGH-FREQUENCY CIRCUIT AND FILTER CIRCUIT

      
Application Number 18167965
Status Pending
Filing Date 2023-02-13
First Publication Date 2023-09-14
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Oba, Kimiyuki

Abstract

A high-frequency circuit includes a signal wire connecting a pair of signal terminals; and a reference potential wire arranged along and close to the signal wire and connecting a pair of reference potential terminals.

IPC Classes  ?

  • H03H 9/56 - Monolithic crystal filters
  • H03H 9/205 - Constructional features of resonators consisting of piezoelectric or electrostrictive material having multiple resonators

78.

FILM BULK ACOUSTIC RESONATOR AND METHOD OF MAKING FILM BULK ACOUSTIC RESONATOR

      
Application Number 18177966
Status Pending
Filing Date 2023-03-03
First Publication Date 2023-09-14
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Sudo, Yasuyuki

Abstract

The present invention provides a technique for making a film bulk acoustic resonator with ease, at low cost. A film bulk acoustic resonator, according to one aspect of the present disclosure has: a substrate having a first main surface; an oxide film provided over the first main surface; and a laminated film provided over the oxide film and including a first electrode, a piezoelectric layer, and a second electrode laminated in this order, and, in this film bulk acoustic resonator, a void where the oxide film is removed is provided between the substrate and the first electrode, and the piezoelectric layer has a through-hole that communicates with the void.

IPC Classes  ?

  • H03H 9/17 - Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
  • H03H 3/02 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks

79.

PIEZOELECTRIC FILTER

      
Application Number 18178807
Status Pending
Filing Date 2023-03-06
First Publication Date 2023-09-14
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Wakasugi, Takahiro
  • Sudo, Yasuyuki

Abstract

A technique is provided herein whereby the size of piezoelectric filters can be reduced. A piezoelectric filter according to one aspect of the present disclosure has: a first substrate having a first main surface; a second substrate having a second main surface facing the first main surface; and a ladder circuit of Nth order, including N piezoelectric resonators, N being an integer of 3 or greater. In this piezoelectric filter, the first-order to Mth-order piezoelectric resonators included in the ladder circuit are formed on the first main surface, M being an integer from 1 to N−1, inclusive, and the (M+1)th-order to Nth-order piezoelectric resonators included in the ladder circuit are formed on the second main surface.

IPC Classes  ?

80.

Secondary battery protection apparatus and battery pack including temperature sensitive element

      
Application Number 18146689
Grant Number 12095050
Status In Force
Filing Date 2022-12-27
First Publication Date 2023-09-07
Grant Date 2024-09-17
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Watanabe, Yohei
  • Takeda, Takashi
  • Takeshita, Junji
  • Suzuki, Daisuke

Abstract

A secondary battery protection apparatus includes a temperature sensitive element and a secondary battery protection circuit with a first terminal coupled to an external device and the temperature sensitive element to control charge and discharge using a switching circuit to protect a secondary battery from temperature, and a conversion circuit of the secondary battery protection circuit is controlled such that a first input of a comparison circuit to compare a voltage against a threshold is electrically coupled to the first terminal of the secondary battery protection circuit, the voltage corresponding to a change in temperature of the secondary battery.

IPC Classes  ?

  • H01M 14/00 - Electrochemical current or voltage generators not provided for in groups ; Manufacture thereof
  • H01M 10/44 - Methods for charging or discharging
  • H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J 7/04 - Regulation of the charging current or voltage

81.

Rotary reciprocating drive actuator with movable body and drive unit and wall with position sensor

      
Application Number 18195957
Grant Number 12046976
Status In Force
Filing Date 2023-05-11
First Publication Date 2023-09-07
Grant Date 2024-07-23
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Takahashi, Yuki
  • Kagami, Masaharu
  • Kitamura, Yasutaka

Abstract

A rotary reciprocating drive actuator which includes a base portion including a bottom portion, and a pair of wall portions erected from both ends of the bottom portion; a movable body including a shaft portion rotatably supported by the pair of the wall portions via a bearing in such a manner that a movable magnet disposed at an outer side surface of one wall portion of the pair of the wall portions; and a drive unit including a core body and a coil body, the drive unit being attached to the outer side surface of the one wall portion, wherein another wall portion of the pair of wall portions is configured to be detachable from or adjustable in position with respect to the bottom portion.

IPC Classes  ?

  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 33/12 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems

82.

LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number 18017888
Status Pending
Filing Date 2021-06-24
First Publication Date 2023-08-31
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Osaka, Tomohiko
  • Suzuki, Shun

Abstract

This lens driving device comprises a movable part, a driving part that has an ultrasonic motor and drives the movable part in the direction of an optical axis, and a shaft part that extends in the direction of the optical axis and supports the movable part. The driving part has a move section that is supported by the shaft part so as to be movable in the direction of the optical axis, and a support section that is connected to the move section and supports the movable part at a position closer to the optical axis side than the shaft part.

IPC Classes  ?

  • G02B 7/00 - Mountings, adjusting means, or light-tight connections, for optical elements
  • H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

83.

Power supply control semiconductor device and power supply device

      
Application Number 18166060
Grant Number 12027972
Status In Force
Filing Date 2023-02-08
First Publication Date 2023-08-24
Grant Date 2024-07-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Ohba, Yusuke
  • Nishio, Naoya
  • Tsuzurabara, Koji
  • Matsuda, Hiroki

Abstract

A power supply control semiconductor device that generates and outputs a drive pulse to turn on and off a switch, which is configured to intermittently supply a current to a primary winding of a voltage conversion transformer, in response to input of a voltage proportional to the current flowing through the primary winding of the voltage conversion transformer and an output voltage detection signal from a secondary side of the voltage conversion transformer is provided. The power supply control semiconductor device is in a no-lead resin-sealed package. The package includes external terminals including a first terminal as an input terminal, a second terminal provided next to the first terminal, and third terminals that have a lower breakdown voltage relative to the first terminal and are different from the second terminal. An interval between the first terminal and the second terminal is wider than each interval between the third terminals.

IPC Classes  ?

  • H02M 3/00 - Conversion of dc power input into dc power output
  • H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
  • H01L 23/495 - Lead-frames
  • H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

84.

Electrical connector and electronic device

      
Application Number 18304230
Grant Number 11929579
Status In Force
Filing Date 2023-04-20
First Publication Date 2023-08-17
Grant Date 2024-03-12
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Kawasaki, Takashi
  • Sadohara, Hiroyuki
  • Mizue, Taro

Abstract

An electrical connector contains a first contact group arranged on a first contact plane, a second contact group arranged on a second contact plane and a ground plate located on a ground plane. The ground plate is located between horizontally extending portions of the contacts of the first contact group and horizontally extending portions, downwardly extending portions and terminal portions of the contacts of the second contact group in addition to between contacting portions and the horizontally extending portions of the contacts of the first contact group and contacting portions and the horizontally extending portions of the contacts of the second contact group.

IPC Classes  ?

  • H01R 13/6471 - Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
  • H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R 107/00 - Four or more poles

85.

OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE AND CAMERA-MOUNTED DEVICE

      
Application Number 17907410
Status Pending
Filing Date 2021-03-30
First Publication Date 2023-07-13
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Sugawara, Masayoshi

Abstract

An optical-element driving device includes: a holding groove formed in a first fixing part to hold a first supporting part; and a first biasing part including an elastic member and a spacer that are disposed with the first supporting part in the holding groove. The first biasing part biases the first supporting part toward a first movable part by the elastic member via the spacer. The first supporting part includes a pair of ball rows arranged at an interval from each other outside of the first movable part. Each ball row is parallel to an optical axis. The ball rows being held respectively by different ones of a plurality of the holding grooves. The first biasing part biases one of the ball rows obliquely with respect to a formation direction in which one of the holding grooves for holding another one of the ball rows is formed.

IPC Classes  ?

  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
  • H04N 23/52 - Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements

86.

INSULATED POWER SUPPLY APPARATUS

      
Application Number 18068549
Status Pending
Filing Date 2022-12-20
First Publication Date 2023-06-22
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Takehana, Hiroaki
  • Hyugaji, Takumi

Abstract

An insulated power supply apparatus includes, a transformer; a switching element connected in series with a primary side winding of the transformer; an active clamp circuit connected between terminals of the primary side winding of the transformer; and a power supply control semiconductor device. The switching element includes a field effect transistor and a current-voltage conversion element is connected between a source terminal of the switching element and a grounding point. The power supply control semiconductor device includes the following, a first external terminal in which voltage according to a drain side of the switching element is input, a second external terminal in which voltage converted by the current-voltage conversion element is input, an on/off control circuit that performs turn-on and turn-off of the switching element, and a ZVS determining circuit that determines whether zero voltage switching control is performed.

IPC Classes  ?

  • H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
  • H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters

87.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number 17995993
Status Pending
Filing Date 2021-03-24
First Publication Date 2023-06-15
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Suzuki, Shun
  • Osaka, Tomohiko

Abstract

This optical element driving device is provided with: a movable part capable of holding an optical element; a driving part that includes an ultrasonic motor and drives the movable part; a voltage boosting part having an inductor that boosts input voltage inputted to the driving part and supplies the boosted input voltage to the ultrasonic motor; a position detection part that detects the position of the movable part; and a substrate part on which the position detection part and the voltage boosting part are disposed.

IPC Classes  ?

88.

DC-DC CONVERTER, SEMICONDUCTOR INTEGRATED CIRCUIT THAT CONTROLS POWER SUPPLY, AND POWER SUPPLY DEVICE

      
Application Number 17998937
Status Pending
Filing Date 2021-04-23
First Publication Date 2023-06-08
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Mishima, Takehito
  • Sato, Akira
  • Ohara, Tomomitsu

Abstract

A DC-DC converter that converts a DC input voltage supplied from a DC power supply and that outputs a DC voltage with a different potential is shown. The DC-DC converter includes the following. A control circuit controls a switching element in accordance with a potential difference between a feedback voltage proportional to an output voltage and a predetermined reference voltage. A current supply circuit that causes a predetermined current to flow. A voltage correction circuit that corrects the reference voltage or the feedback voltage. The voltage correction circuit is configured to determine a voltage correction amount, based on information about a resistance on a load side input from outside when a current of the current supply circuit is output, and correct the reference voltage or the feedback voltage.

IPC Classes  ?

  • H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
  • H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters

89.

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

      
Application Number 18054164
Status Pending
Filing Date 2022-11-10
First Publication Date 2023-05-18
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Takano, Yoichi

Abstract

Disclosed is a semiconductor integrated circuit device including: a switching transistor; a terminal to receive a control signal from outside; and a control circuit that controls the switching transistor based on the control signal. The control circuit includes: a reference voltage source that generates a reference voltage from the DC voltage; a differential amplifier to receive the reference voltage and a voltage of the voltage output terminal, and output a voltage applied to a control terminal of the switching transistor; and a logic circuit that generates a signal to control an operation state of the differential amplifier based on the control signal. According to an output signal of the logic circuit, the differential amplifier controls the switching transistor to be on in response to the control signal being a first logic level, and to be off in response to the control signal being a second logic level.

IPC Classes  ?

  • H03F 3/72 - Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
  • H03F 3/45 - Differential amplifiers

90.

Push switch

      
Application Number 18155624
Grant Number 11948758
Status In Force
Filing Date 2023-01-17
First Publication Date 2023-05-18
Grant Date 2024-04-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Fujimoto, Daiki
  • Kikuchi, Hidetake

Abstract

A push switch contains a circuit substrate, two fixed contacts disposed on the circuit substrate, a dome-shaped spring which is disposed above the two fixed contacts and can be displaced between a first position in which the two fixed contacts are in a non-conductive state and a second position in which the two fixed contacts are in a conductive state and a conductive elastic member disposed on a surface of the dome-shaped spring facing the circuit substrate and having a surface facing the two fixed contacts. At least the surface of the conductive elastic member facing the two fixed contacts has conductivity. When the dome-shaped spring is displaced to the second position, the two fixed contacts are in the conductive state through the conductive elastic member.

IPC Classes  ?

  • H01H 13/48 - Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
  • H01H 13/14 - Operating parts, e.g. push-button
  • H01H 13/702 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches

91.

Semiconductor device and method for manufacturing semiconductor device

      
Application Number 18146669
Grant Number 11769823
Status In Force
Filing Date 2022-12-27
First Publication Date 2023-05-04
Grant Date 2023-09-26
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Yatago, Masatoshi
  • Shiraishi, Naohiro
  • Kondo, Katsunori
  • Watanabe, Noriyoshi

Abstract

A semiconductor device includes first and second trenches, and a first layer provided therebetween, in a principal surface of a semiconductor substrate, a second layer in contact with and sandwiching the first trench with the first layer, a third layer provided under the second layer and in contact with the second layer and the first trench, a fourth layer provided under and in contact with the third layer but separated from the first trench, and a fifth layer provided in the principal surface and sandwiching the second trench with the first layer. The second and fourth layers are semiconductors of a first conductivity type, and the first, third, and fifth layers are semiconductors of a second conductivity type. A gate trench electrode is provided inside the first trench via the insulating film, and an emitter trench electrode is provided inside the second trench via the insulating film.

IPC Classes  ?

  • H01L 29/739 - Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field effect
  • H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
  • H01L 29/10 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
  • H01L 29/40 - Electrodes
  • H01L 29/66 - Types of semiconductor device

92.

LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number 17907411
Status Pending
Filing Date 2021-03-11
First Publication Date 2023-04-20
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Sugawara, Masayoshi
  • Suzuki, Shun

Abstract

This lens driving device is provided with a movable part, a driving part, a magnet part having a first pole and a second pole, and a position detection part that is disposed to face the magnet part, and detects the position of the magnet part by detecting a magnetic field on a plane including an optical axis direction and a width direction. A boundary extends while bending such that the angle formed with the optical axis direction changes.

IPC Classes  ?

  • G02B 7/10 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

93.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number JP2022037043
Publication Number 2023/063157
Status In Force
Filing Date 2022-10-04
Publication Date 2023-04-20
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Sugawara, Masayoshi
  • Murakami, Tomoyuki

Abstract

This optical element driving device comprises: a movable side member that moves in a direction orthogonal to an optical axis by driving of a driving part while holding an optical element; a fixed side member that is disposed at a position separate from the movable side member in an optical axis direction, and supports the movable side member movably in the direction orthogonal to the optical axis via a rolling member; and a wire that is buried in the movable side member and/or the fixed side member and electrically connected to the driving part. The movable side member and the fixed side member each have a housing part forming surface that forms a housing part of the rolling member, and are exposed in a portion of the housing part forming surface such that the wire comes into contact with the rolling member.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 15/00 - Special procedures for taking photographs; Apparatus therefor
  • G03B 17/02 - Bodies
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

94.

ROTARY RECIPROCATING DRIVE ACTUATOR

      
Application Number 17943248
Status Pending
Filing Date 2022-09-13
First Publication Date 2023-03-30
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Kitamura, Yasutaka
  • Takahashi, Yuki
  • Kagami, Masaharu
  • Masamoto, Kai

Abstract

A rotary reciprocating drive actuator includes: a movable body including a magnet fixed to a shaft portion; a fixing body including a plurality of magnetic poles, a first magnetic attraction member, and a second magnetic attraction member that are disposed to face an outer circumference of the magnet;, the plurality of magnetic poles including a plurality of coils, the first magnetic attraction member being configured to generate a first magnetic attraction force, the second magnetic attraction member being configured to generate a second magnetic attraction force, in which a magnetic flux passing through the plurality of magnetic poles is generated by energization of the plurality of coils, causing the reciprocating rotation of the movable body about an axis of the shaft portion with reference to the rotational center position by electromagnetic interaction between the magnetic flux and the magnet.

IPC Classes  ?

  • H02K 33/12 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
  • G02B 26/10 - Scanning systems

95.

OPTICAL DEFLECTION APPARATUS

      
Application Number 17821878
Status Pending
Filing Date 2022-08-24
First Publication Date 2023-03-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor Yamada, Tsukasa

Abstract

An optical deflection apparatus includes a movable member configured to deflect incident light from a light emitter, and a lid member configured to cover the movable member. The lid member includes an opening through which the incident light and deflected light of the incident light pass. The deflected light is deflected by the movable member. The lid member includes a light attenuation portion configured to attenuate reflected light of the incident light or of the deflected light. The reflected light is reflected by the lid member.

IPC Classes  ?

  • H01S 3/101 - Lasers provided with means to change the location from which, or the direction in which, laser radiation is emitted
  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light

96.

OPTICAL ACTUATOR, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 17895291
Status Pending
Filing Date 2022-08-25
First Publication Date 2023-03-02
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Kikuchi, Atsushi
  • Takimoto, Yukihiro
  • Murakami, Tomoyuki

Abstract

An optical actuator is configured to include: a movable part on which a lens part is mountable, the movable part being configured to move by driving of a driving part; a fixing part accommodating the movable part; and a first shaft and a second shaft that are spaced apart from each other in a width direction of the movable part, and are fixed to the fixing part, in which the movable part is configured to slide on the first shaft and the second shaft while making contact with the first shaft at two places in an axial direction and with the second shaft at one place in the axial direction. Thus, the optical actuator capable of stably supporting the movable part with respect to the fixing part is provided.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
  • G03B 5/08 - Swing backs

97.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number JP2022031304
Publication Number 2023/026964
Status In Force
Filing Date 2022-08-19
Publication Date 2023-03-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Osaka, Tomohiko
  • Enta, Yohei

Abstract

This optical element driving device (1) for driving an optical element comprises: a retaining part (10) having an opening that surrounds the outer periphery of an optical element and is capable of retaining the optical element; an accommodating part (20) for accommodating the retaining part in the inside thereof; and support parts (40A) having a plurality of contact parts (31) that come in contact with the retaining part in at least three positions distributed in the circumferential direction inside the accommodating part, the support parts (40A) supporting the retaining part so as to be able to move in an optical axis direction while the retaining part is pressed toward the inside of the opening by the plurality of contact parts.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 15/00 - Special procedures for taking photographs; Apparatus therefor
  • H04N 5/225 - Television cameras

98.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number JP2022031306
Publication Number 2023/026965
Status In Force
Filing Date 2022-08-19
Publication Date 2023-03-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Ishikawa, Masahiro
  • Osaka, Tomohiko

Abstract

An optical element driving device according to the present invention comprises a moving part which is capable of holding an optical element, a driving part which drives the moving part by vibrating a piezoelectric element, and a voltage-raising part which raises input voltage that is input into the piezoelectric element, wherein the voltage-raising part has an inductor connected in series to the piezoelectric element and a capacitor connected in parallel to the piezoelectric element. A camera module according to the present invention comprises an optical element driving device and an imaging part which captures a subject image formed by an optical element. A camera-mounted device according to the present invention comprises a camera module and an image processing part which processes image information acquired by the camera module.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G03B 15/00 - Special procedures for taking photographs; Apparatus therefor
  • G03B 17/02 - Bodies
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 5/225 - Television cameras

99.

OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE

      
Application Number JP2022031307
Publication Number 2023/026966
Status In Force
Filing Date 2022-08-19
Publication Date 2023-03-02
Owner MITSUMI ELECTRIC CO., LTD. (Japan)
Inventor
  • Enta, Yohei
  • Osaka, Tomohiko

Abstract

This optical element driving device comprises: a first movable part configured to be movable in an optical axis direction by a first driving part in a state of holding an optical element; and a second movable part configured by stacking a first stage and a second stage on a base so as to be movable in a direction orthogonal to the optical axis together with the first movable part by a second driving part. The second driving part is disposed along each of two side surfaces orthogonal to each other of the second movable part, and the first driving part is disposed at each of diagonal positions of the second movable part.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 15/00 - Special procedures for taking photographs; Apparatus therefor
  • G03B 17/02 - Bodies
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 5/225 - Television cameras

100.

OPTICAL ACTUATOR, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

      
Application Number 17895113
Status Pending
Filing Date 2022-08-25
First Publication Date 2023-03-02
Owner Mitsumi Electric Co., Ltd. (Japan)
Inventor
  • Hayashi, Ichiro
  • Kimura, Yoshihiro

Abstract

An optical actuator is configured to include: a movable part including a mounting surface for an optical path bending member, and a recessed portion extending toward a center of the mounting surface at a back side of the mounting surface, the movable part being swung by driving of a driving part; and a fixing part including a protruding portion inserted into the recessed portion so as to define a swing center of the movable part as a position near the center of the mounting surface. Thus, an optical actuator capable of reducing the size of a product is provided.

IPC Classes  ?

  1     2     3     ...     11        Next Page