Provided is a rotary machine having exceptional space-saving properties despite being provided with a reduction gear. This rotary machine (1) comprises a first output shaft (10), a cylindrical shaft (20) surrounding the first output shaft (10), a reduction gear (60) connected to the shaft (20), a rotor (30) fixed to the shaft (20), a stator (40) surrounding the rotor (30), a housing (50) supporting the stator (40), and a first bearing (71), the first output shaft (10) being connected to the reduction gear (60) either directly or via a member, and the outer peripheral surface of the shaft (20) and an inner peripheral portion (54) of the housing (50) being linked via the first bearing (71).
A heart rate acquisition device (30), which acquires the heart rate of a subject (S) on a bed (BD), comprises: a heartbeat waveform acquisition unit (31) that, on the basis of the outputs of load detectors (11, 12, 13, 14) provided in the bed, acquires a heartbeat waveform indicating temporal variations of load values corresponding to the heartbeat of the subject; a heartbeat period estimation unit (33) that determines an estimated value of the heartbeat period of the subject on the basis of transition of the heartbeat waveform; and a heart rate calculation unit (34) that calculates the heart rate of the subject on the basis of the heartbeat waveform and the estimated value.
A motor (1) comprises: a shaft (40); cylinders (5a, 5b) rotatably supported on the shaft (40); an impeller (20) fixed to the cylinders (5a, 5b); a rotor (30) fixed to the impeller (20); a stator (90) surrounding the rotor (30); spaces (91) between the shaft (40) and the cylinders (5a, 5b); and a space (92) between the rotor (30) and the stator (90). The spaces (91, 92) are spaces into which a liquid enters, a plurality of first grooves (59) are formed in at least either of an inner surface (54) of the cylinders (5a, 5b) or an outer surface (32) of the shaft (40), and a plurality of second grooves (69) are formed in at least either of an inner surface (63) of the stator (90) or an outer surface (32) of the rotor (30).
A sterilization system of an embodiment includes a light source unit, a horizontal angle adjustment unit and/or a vertical angle adjustment unit, and a controller. The light source unit emits ultraviolet rays in a radiating form. The horizontal angle adjustment unit adjusts a horizontal angle of the light source unit by causing rotation of the light source unit in a horizontal direction. The vertical angle adjustment unit adjusts a vertical angle of the light source unit by causing rotation of the light source unit in a vertical direction. The controller receives a marker signal transmitted from a marker via a marker sensor, controls rotation of the horizontal angle adjustment unit and/or the vertical angle adjustment unit to direct an optical axis of the light source unit to the marker, and stores a horizontal angle and/or a vertical angle of the light source unit in response to a position setting request.
The present invention provides a power supply system, a power supply device, and a power supply method with which it is possible to quickly set a phase capable of increasing the received power of a power-receiving device. This power supply device comprises: a first power transmission control unit that controls the phase of power transmission signals of a plurality of first antennas positioned around a first power-receiving device among a plurality of antennas capable of transmitting power; and a second power transmission control unit that controls the phase of power transmission signals of one or a plurality of second antennas other than the plurality of first antennas among the plurality of antennas. The first power transmission control unit changes in time series the phases of the power transmission signals of the plurality of first antennas while maintaining the phase relationship of the power transmission signals of the plurality of first antennas so that the phases of the signals received by the first power-receiving device from the plurality of first antennas are aligned, and the second power transmission control unit changes in time series the phases of the power transmission signals transmitted to the one or a plurality of second power-receiving devices by the one or a plurality of second antennas.
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
A measuring device includes a first space for pressurizing a pressurization target and a second space independent of the first space. The measuring device includes a first exhaust valve closing or opening a communication port communicating the first space with another space. An open/closed state of the first exhaust valve changes in accordance with a pressure difference between the first space and the second space.
Provided is a ball bearing that can prevent the vibration of a retainer while preventing the deformation of the retainer in a harmonic drive gear device. This ball bearing (1) comprises: a deformable inner ring (2); a deformable outer ring (3) that is installed outside the inner ring (2); a plurality of spherical rolling elements (4) that are provided between the inner ring (2) and the outer ring (3); and a retainer (5) in which a plurality of pockets (10) are circumferentially provided at intervals therebetween, the plurality of rolling elements (4) being respectively accommodated in the pockets (10). Each of the plurality of pockets (10) has a pocket surface (11) that spreads around a pocket axis (x1) that extends in a radial direction, and a flange section (20) that protrudes toward the pocket axis (x1) from the pocket surface (11). The pocket surfaces (11) are formed so as to accommodate the rolling elements (4) with an interval therebetween, and the flange section (20) is formed so as to be in contact with at least the rolling elements (4) located at the position of the minor radius (rb) of the inner ring (2), from inside in the radial direction.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
[Problem] To provide a rotor which is for a resolver and is capable of suppressing the non-uniform deformation of a protruding section when pressing a rotary shaft into the rotor. [Solution] This rotor 10 for a resolver is fixed to a shaft 20 by pressing a shaft 20 of a motor into a substantially circular hole 12. Two protruding sections 11 protruding radially outward at equal circumferential intervals are provided to an outer surface of the rotor 10, a protruding section 13 which is located in a substantially center section in the circumferential direction of the protruding section 11 and protrudes toward the center of the hole 12 is provided to an inner circumferential surface 12 of the rotor 10, and a recess section 15 recessed to the radially outer side is provided at the substantially center section in the circumferential direction of the protruding section 11 180° opposite to the protruding section 13.
Provided is a power transmission system that enables a reduction in costs related to unnecessary communication devices and in unnecessary power consumption, the power transmission system thus affording excellent power savings. The power transmission system comprises: a microwave contactless power feed device that feeds power to a secondary battery by propagating microwaves in a contactless state. The microwave contactless power feed device includes: a power transmitter that transmits microwaves; and a power receiver that receives the microwaves transmitted from the power transmitter. The power receiver includes: a detection unit that detects a power storage state of the secondary battery; and a reporting unit that uses wireless communication to report, to the power transmitter, the detection results of the detection unit. The detection unit and the reporting unit are provided midway along a transmission path to the secondary battery. The power transmitter includes a determination unit that determines whether power can be transmitted on the basis of the detection result of the detection unit as reported by the reporting unit.
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/34 - Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
Provided is a power transmission system with which it is not necessary to, for example, replace the batteries in an electronic lock, which is low cost, for which maintenance is not required, and with which an electronic lock can be sufficiently driven. The power transmission system comprises a microwave contactless power supplying device: that is disposed so as to be divided between a door provided with an electronic lock, and the inside/outside of a partition unit provided with the door; and that supplies power to the electronic lock by propagating microwaves in a contactless manner from the partition unit toward the door.
E05B 49/00 - Electric permutation locks; Circuits therefor
H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
A fan includes a first blower and a second blower each having an impeller. The first blower includes a first motor and a first motor drive controller to control driving of the first motor and communicate with the second blower. The second blower includes a second motor and a second motor drive controller to control driving of the second motor and communicate with the first blower. The first motor drive controller controls the driving of the first motor based on a result of communication with the second blower.
Provided are a power receiving machine that can synthesize the outputs of two or more power receiving units and can increase the power supply voltage thereof and a power transmission system. The power receiving machine is a microwave power transmitting/receiving machine that receives a microwave from the power transmission side in a non-contact state and comprises power receiving units having an antenna and a half-wave voltage doubler rectifier circuit, wherein two or more power receiving units are connected.
H02J 50/27 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of receiving antennas, e.g. rectennas
E05B 47/00 - Operating or controlling locks or other fastening devices by electric or magnetic means
E05B 49/00 - Electric permutation locks; Circuits therefor
13.
LOW DUST GENERATION GREASE COMPOSITION FOR HIGH-SPEED ROTATION AND BEARING FILLED WITH SAME
Object
Object
A grease composition having a low dust generation, long life, and low low-temperature torque under an ultra high-speed, high-temperature environment with a rotational speed exceeding 30000 rpm is provided, and by applying the grease composition to a rolling bearing, the rolling bearing having a low dust generation, long life and low low-temperature torque, and a motor including such a rolling bearing are also provided.
Object
A grease composition having a low dust generation, long life, and low low-temperature torque under an ultra high-speed, high-temperature environment with a rotational speed exceeding 30000 rpm is provided, and by applying the grease composition to a rolling bearing, the rolling bearing having a low dust generation, long life and low low-temperature torque, and a motor including such a rolling bearing are also provided.
Resolution Means
Object
A grease composition having a low dust generation, long life, and low low-temperature torque under an ultra high-speed, high-temperature environment with a rotational speed exceeding 30000 rpm is provided, and by applying the grease composition to a rolling bearing, the rolling bearing having a low dust generation, long life and low low-temperature torque, and a motor including such a rolling bearing are also provided.
Resolution Means
Provided are: a grease composition containing a base oil and a thickener, the base oil including a fluorine oil, an ester oil, and a polyalphaolefin oil, and the thickener including a fluorine-based thickener, a urea-based thickener, and a barium complex soap thickener, each of these components being included in the grease composition at a predetermined proportion; a rolling bearing filled with the grease composition; and a motor including the rolling bearing.
C10M 169/02 - Mixtures of base-materials and thickeners
C10M 107/02 - Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
C10M 107/32 - Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
C10M 107/38 - Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 119/22 - Lubricating compositions characterised by the thickener being a macromolecular compound containing halogen
An electronic lock mounting structure (FS) according to an embodiment of the present disclosure is disposed between an electronic lock (100) and a door (20) to mount the electronic lock (100) on the door (20). The electronic lock mounting structure (FS) includes an attachment (110) and a base (120). The electronic lock mounting structure (FS) includes an engagement mechanism (121) configured to engage with a thumb-turn mounting hole (TH) provided in the door (20). The engagement mechanism (121) may include three claw portions configured to engage the thumb-turn mounting hole (TH).
In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
H01F 7/20 - Electromagnets; Actuators including electromagnets without armatures
The purpose of the present invention is to provide a motor that is appropriately molded. This motor (1) comprises a stator (20), a substrate (30) that is supported by the stator (20), and a resin member (50) that covers the stator (20). In the axial direction, the substrate (30) is provided with a first surface (30F) that faces the stator (20), and a second surface (30S) that is on the opposite side from the first surface (30F). The first surface (30F) of the substrate (30) is in contact with the resin member (50). The second surface (30S) of the substrate (30) is provided with an inner circumferential portion (30i), an outer circumferential portion (30o), and a middle portion (30m) that is located between the inner circumferential portion (30i) and the outer circumferential portion (30o). At least one electrically conductive pad (40) is provided to the middle portion (30m), and a recess (45) that surrounds the pad (40) is formed in the middle portion (30m). A radial-direction end portion of the recess (45) is formed further toward the radially outer side (d) than the inner circumferential portion (30i) and further toward the radially inner side (c) than the outer circumferential portion (30o).
A stator, in particular for an electric machine, has a stator pack including a rotor receiving region configured to receive a rotor configured to be driven around a rotation axis within the rotor receiving region, and including at least one stator pole tooth which is surrounded by a coil surrounding a coil central axis and which includes a pole shoe adjacent to the rotor receiving region, wherein the coil central axis is skewed with respect to the rotation axis.
H02K 37/16 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures having horseshoe armature cores
18.
VIBRATION ACTUATOR AND VIBRATION PRESENTING APPARATUS
Provided is a vibration actuator that includes: a coil; a core around which the coil is wound, the core including both ends projecting from the coil; a yoke formed of a magnetic material and disposed opposite to the both ends of the core at a position adjacent to the both ends of the core with a gap provided between the yoke and the both ends of the core in a direction orthogonal to a winding axis of the coil; and an elastic part fixed between the core and the yoke and configured for elastic support to enable a movement between the core and the yoke in a direction opposite to at least one of the both ends of the core.
H02K 33/06 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation with polarised armatures
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
Provided are: a stator that enables, with a simple configuration, winding disturbance of a coil to be suppressed; and a motor that uses the stator. This stator (4) comprises: a core (41) equipped with a plurality of magnetic pole parts extending in a radial direction cd; a plurality of insulators (45) corresponding to the plurality of magnetic pole parts (41c); and a ring (7, 8). The plurality of insulators (45) are each equipped with a connected part. The ring (7, 8) is equipped with a plurality of connecting parts. The connected parts of the plurality of insulators (45) and the plurality of connecting parts are connected to each other. Furthermore, one aspect of this motor (1) comprises: the stator (4); and a housing (5) that accommodates the stator (4). An inner circumferential surface (51a') of the housing (5) and an outer circumferential surface (71a) of the ring (7) are fixed. Another aspect of this motor (1) comprises: the stator (4); and a housing (5) that has a first tubular section (51a) and a second tubular section (51b) which accommodate the stator (4). An inner circumferential surface (51b') of the second tubular section (51b) and an outer circumferential surface (82c) of the ring (8) are fixed.
Provided is a motor capable of achieving space saving within the motor with a simple structure. A motor (10) comprises: a plurality of rings (70A to 70F) formed of a conductive material and stacked in the rotational axis direction; and a stator (30) having a plurality of coils (32). The plurality of rings (70A to 70F) each comprises an external connection terminal (73) electrically connected to an external device and internal connection terminals (72) electrically connected to the plurality of coils (32), wherein, in the radial direction, the external connection terminal (73) is disposed on the inner circumferential side with respect to the internal connection terminals (72).
This ring-shaped magnetic encoder is acquired by mixing a rare earth magnet powder and a resin, compressing the mixture to make an unheated body, and then heat-curing the resin included in the unheated body to make a heat-cured body, and comprises a magnetic track in which magnetic poles different from each other are magnetized at a prescribed pole pitch along the circumferential direction. When the thickness of the unheated body is denoted by T (mm), the maximum particle size of the rare earth magnet powder is denoted by G (μm), and a ratio R is defined as T/G, the ratio R is 6.67 or more, and the particle size of the rare earth magnet powder is 45-150 μm.
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
A pump system contains a pair of pumps each of which contains a vibration actuator vibrated by electromagnetic drive and can discharge fluid due to drive of the vibration actuator. The pump system has a vibration suppression mode in which the pair of the pumps are driven so that vibration of the vibration actuators of the pair of pumps is cancelled each other and a vibration generation mode in which the pair of the pumps are driven so that the vibration of the vibration actuators of the pair of pumps is superimposed with each other.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
Provided is a technique for achieving a compact motor size in the axial direction. This stator comprises: a plurality of coil groups (40A, 40B, 50A, 50B, 60A, 60B) aligned in an annular shape; and a substrate (70) provided on one side of the coil groups along the axis and having a plurality of wiring layers. The coil groups (40A, 40B) are provided with a first coil group (40A, 40B), a second coil group (50A, 50B), and a third coil group (60A, 60B) in this order in a round direction (R1). The energization direction of the first coil group (40A, 40B) is different from those of the second coil group (50A, 50B) and the third coil group (60A, 60B). In the first coil group (40A, 40B), the first end portions (U3, U21) of a second coil (42) and the first end portions (U5, U23) of a third coil (43) are electrically connected to each other by a wiring layer (75), and the second end portions (U2, U20) of a first coil (41) and the second end portions (U4, U22) of the second coil (42) are electrically connected to each other by a wiring layer (74).
According to the present disclosure, a strain gauge includes: a flexible substrate; a resistor made from a film containing Cr, CrN, and Cr2N, on one surface of the substrate; an insulating layer covering the resistor; and a conductive barrier layer covering the insulating layer.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
A spindle motor includes a base being a cast product as a part of a housing of a hard disk drive device. The base has a hole portion configured to accommodate a fastening member configured to fasten a member to be attached to the base. The hole portion is a blind hole extending in a depth direction from a surface of the base and having a tip surface formed flat.
Provided is an antenna device capable of easily calculating phase adjustment amounts of power transmission signals in a plurality of antenna elements of an array antenna in accordance with the position of a power reception antenna, in order to increase received power. This antenna device: acquires a projection elevation angle; determines, on the basis of the coordinates of first both end points and second both end points in a marker image and a focal distance of a fisheye lens, second elevation angles of the first both end points and the second both end points with respect to a third axis; determines a first distance between the marker center point and the fisheye lens; determines second distances between the fisheye lens and the first both end points and between the fisheye lens and the second both end points on the basis of the second elevation angles of the first both end points and the second both end points with respect to the third axis and third axial coordinates thereof; sets phase adjustment amounts for three antenna elements in each of a first axial direction and a second axial direction on the basis of the route differences between the first distance and the second distances; and sets phase adjustment amounts for a plurality of antenna elements arranged in a two-dimensional manner using parabolic interpolation of a quadratic function.
H02J 50/23 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
The present invention increases the coaxiality of a motor, for example. A motor (100) comprises, for example: a shaft (S); a magnet (112, 212); a coil (120); a first bearing (113a) arranged on one end (S1) side of the shaft (S) in the axial direction; a second bearing (113b) arranged on the other end (S2) side of the shaft (S) in the axial direction; a cover (114, 414) fixed to the second bearing (113b) and arranged inside the coil (120) in the radial direction; a holder (115, 415) fixed to the first bearing (113a); and an elastic member (116, 416) held by the holder (115, 415), the elastic member (116, 416) being arranged between the cover (114, 414) and the holder(115, 415) in the longitudinal direction of the shaft (S).
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 15/16 - Centering rotors within the stator; Balancing rotors
Provided is a vibration actuator including: a movable body including a magnet having a pillar shape; and a fixing body including a coil and a main body part. The main body part includes an inner peripheral surface, which surrounds the movable body with a gap between the inner peripheral surface and an outer peripheral surface of the movable body inside the coil, and supports the movable body via an elastic support part such that the movable body is vibratable in an axial direction of the movable body. The vibration actuator is configured to cause a flow of a fluid in a direction opposite to a direction of movement of the movable body in the gap and to generate a pipe resistance to the fluid.
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
G08B 6/00 - Tactile signalling systems, e.g. personal calling systems
A rotating device includes a housing, a motor, and one or more gears. The housing includes a first housing and a second housing engaging with the first housing. The motor and the one or more gears are accommodated in the housing. The first housing and the second housing oppose one another in a first direction. A side wall part of the second housing is provided with a first hook, and a side wall part of the first housing is provided with a first protruding part. The first protruding part engages with the first hook. A surface of the first hook engaging with the first protruding part and a surface of the first protruding part engaging with the first hook are in contact with one another in the first direction. The surface of one of the first hook and the first protruding part is inclined with respect to the surface of the other of the first hook and the first protruding part, and the surface of the first protruding part faces the side wall part of the first housing.
In the present invention, a user's health is estimated on the basis of the user's daily activities. A server 20 includes: a control unit 25 that acquires, from an acceleration sensor 13 that is provided to a gripping member 11 which is a member to be gripped by the user, first measurement values which were measured by the acceleration sensor 13 and which are related to the shaking of the user's hand; and an estimation unit 22 that estimates the user's health on the basis of the first measurement values.
A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A61B 5/1172 - Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
A61B 10/00 - Other methods or instruments for diagnosis, e.g. for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
31.
ANTENNA DEVICE, POWER SUPPLYING DEVICE, AND POWER SUPPLYING METHOD
An antenna device capable of transmitting power that allows a power receiving device to efficiently receive power even at a short distance is provided.
An antenna device capable of transmitting power that allows a power receiving device to efficiently receive power even at a short distance is provided.
An antenna device includes an array antenna; an adjustment unit to adjust a phase of a power transmission signal supplied to a plurality of antenna elements in a first axis direction; an image obtainment unit to obtain an image through a fisheye lens; a derivation unit to convert a first position of a marker included in the image, into a second position in polar coordinates on a first plane including the first axis and the second axis; an obtainment unit to obtain, based on the second position, an elevation angle of a position obtained by projecting the first position onto a second plane including the first axis and a third axis, with respect to the third axis in the second plane; a storage unit to store a plurality of sets of phase data corresponding to a plurality of elevation angles, the phase data representing a plurality of phases when power is transmitted from the plurality of antenna elements to a power receiving device, the plurality of phases received by the power receiving device from the plurality of antenna elements being adjusted to be aligned; and a control unit to read the phase data corresponding to the elevation angle obtained by the elevation angle obtainment unit from the storage unit, and control the adjustment unit based on the read phase data so as to make a direction of a beam radiated by the array antenna become the elevation angle in the second plane.
H02J 50/23 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
In accordance with one aspect of the present disclosure, an electronic device includes a housing, a contact member attached to the housing, a plate displaceable with respect to the base, an elastic member supporting the plate with respect to the base. The base, the plate and the elastic member are arranged inside the housing. A magnetic gap is formed with the plate and the base. The plate connects with the contact member.
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
The present invention addresses the problem of providing a thrust bearing that suppresses flexure of a cover during crimping and makes it possible to accurately set a gap between the cover and bearing washers. A thrust bearing (1) comprises a cover (40) that is arranged so as to cover the outer circumferential surfaces of a first bearing washer (10) and a second bearing washer and holds the first bearing washer (10) and the second bearing washer in the axial direction. The cover (40) has a cylindrical part (41) that is opposite the outer circumferential surfaces of the first bearing washer (10) and the second bearing washer and, at at least one end of the cylindrical part (41) in the axial direction, a bent part (42) that is bent relative to the cylindrical part (41) around the entire circumference. A chamfered part (12) is formed at a corner of the outer circumferential surface of at least one of the first bearing washer (10) and the second bearing washer. The chamfered part (12) is opposite the bent part (42) of the cover (40). The problem described above is addressed by forming a circumferential groove (44) around the entire circumference of an inner circumferential surface at the boundary between the cylindrical part (41) and the bent part (42).
F16C 19/10 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
A planar illumination device (1) according to an embodiment comprises a substrate (3), a plurality of light sources (4) in a first group, and one or more light sources (5) in a second group. Prescribed electrical wiring is applied to the substrate (3). The plurality of light sources (4) in the first group are disposed across substantially the entire surface of the substrate (3). The one or more light sources (5) in the second group are disposed adjacent to the plurality of light sources (4) in the first group within a prescribed region on the substrate (3).
This door latch device (5) comprises: a latch mechanism (11) that switches between a latched state in which a striker is held and a released state in which the striker is disengaged; an electric release mechanism (12) for using driving force generated by a first electric motor (21) to switch from the latched state to the released state; a manual release mechanism (13) for transmitting to the latch mechanism (11) an operation force that is input to an operation member (6) provided in a door (1), and thereby switching the latch mechanism (11) from the latched state to the released state; and a lock mechanism (14) that switches between a locked state in which switching to the released state by means of the manual release mechanism (13) is prohibited and an unlocked state in which switching to the released state by means of the manual release mechanism (13) is allowed. The lock mechanism (14) has a second electric motor (22), and operates solely on the basis of driving force generated by the second electric motor (22).
E05B 77/02 - Vehicle locks characterised by special functions or purposes for accident situations
E05B 77/24 - Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
E05B 81/16 - Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
To provide a motor capable of suppressing movement of a shaft, bearings, or the like with respect to a case, a blower using the motor, and a cartridge for the motor. The motor includes a shaft, a rotor fixed to the shaft, a stator opposed to the rotor, a pair of bearings fixed to the shaft, a sleeve surrounding the pair of bearings, and a case including a support part configured to support the sleeve. The sleeve includes, in an axis X direction of the shaft, an engagement part configured to engage with the case.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
The spindle motor includes; a shaft including a shaft portion and a flange portion, the shaft portion having a columnar shape extending in an axial direction, the shaft portion including a shaft end portion, the flange portion being provided at the shaft end portion and receiving a load in the axial direction; and a bearing sleeve rotatably supporting the shaft, the bearing sleeve having a tubular shape including a sleeve end portion having a large-diameter recess part formed in the axial direction. The shaft is a member formed of a copper alloy containing from 0.5 mass percent to 1.5 mass percent of silicon and from 0.5 mass percent to 3.0 mass percent of manganese, and the member includes the shaft portion and the flange portion integrated with one another.
The centrifugal blower includes an impeller, a motor for rotating the impeller, and a circuit board for driving and controlling the motor, the impeller, the motor, and the circuit board being accommodated in the centrifugal blower, at the inner side of a lower casing. The motor is arranged at a first end portion side in the shaft direction of the circuit board, an end cap is provided at the second end portion side in the shaft direction of the circuit board. The end cap is provided with an inner annular portion extending in the shaft direction and a pocket portion protruding inward in a radial direction from an inner circumferential surface of the inner annular portion. The motor is a three-phase brushless motor, and includes a common line coupling portion with three-phase coils wound around in a star connection. The common line coupling portion protrudes from the circuit board toward the second end portion side in the shaft direction to be accommodated in the pocket portion of the end cap.
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 17/10 - Centrifugal pumps for compressing or evacuating
F04D 29/42 - Casings; Connections for working fluid for radial or helico-centrifugal pumps
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 21/16 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
39.
Controller for biological information monitoring device
To achieve miniaturization in the rotation axis direction. A motor includes a stator housing having an inner peripheral portion and an outer peripheral portion, a stator supported by an outer peripheral portion of the stator housing, a rotor housing covering the stator housing and the stator, and a magnet supported by an outer peripheral portion of the rotor housing. The stator includes a first surface provided at an inner side of the magnet, supported by the stator housing and positioned in a rotation axis direction, and a second surface opposing an outside in the rotation axis direction. A surface of the magnet supported by the rotor housing is provided at an upper surface portion side of the stator core in the rotation axis direction.
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 1/27915 - Magnets shaped to vary the mechanical air gap between the magnets and the stator
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
41.
NON-CONTACT TACTILE SENSE PRESENTATION DEVICE AND NON-CONTACT TACTILE SENSE PRESENTATION SYSTEM
Provided is a non-contact tactile sense presentation device including: a movable body having a magnet; an elastic part that supports the movable body so as to freely vibrate; a fixed body that generates a magnetic field when a current at a frequency equal to the resonance frequency of the movable body is supplied thereto and that has a coil for vibrating the movable body due to electromagnetic interaction with the magnet; and a fluid discharge part that has a chamber portion, which stores a fluid therein and which has a diaphragm that allows the fluid in the chamber portion to come out and come in according to deformation of the diaphragm caused by a resonant vibration of the movable body, and that presents a tactile sense by means of the fluid coming out from the chamber portion.
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
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
42.
VIBRATOR GENERATOR HAVING SWING UNIT, FRAME AND ELASTIC MEMBER
A vibrator includes a frame, a swing unit, and an elastic member. The swing unit is disposed within the frame and holds a magnet. The elastic member connects the swing unit and the frame. The swing unit is movable with respect to the frame while deforming the elastic member. The frame, the swing unit, and the elastic member are integrally molded with each other.
H02K 33/00 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
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
A planar illuminating device (1) of an embodiment is a directly-under type planar illuminating device (1) provided with a linear Fresnel lens (6a), and comprises a plurality of light sources (4), and a reflector (5). The plurality of light sources (4) are disposed in a linear fashion on a board (3), along condensing positions of the Fresnel lens (6a). The reflector (5) includes reflecting surfaces (5c to 5f) constituting segments surrounding each of the light sources (4). In a part in which the light sources (4) cannot be disposed along the condensing position because a planar shape of a light emitting area of the planar illuminating device (1) is an irregular shape that is not rectangular, the segment of the reflector (5) adjacent to said part is expanded to an outer edge side of the planar illuminating device (1).
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 5/04 - Refractors for light sources of lens shape
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
Provided is a motor that exhibits increased rigidity during rotation of a rotor. A motor (200) of the present invention comprises a shaft (101), a stator (130), a bearing (111) disposed between the shaft (101) and the stator (130), and a rotor (120) which rotates together with the shaft (101). The rotor (120) includes a magnet (122) and a cover (129) which is fixed to the shaft (101) and covers the magnet (122). The cover (129) includes a protruding portion (125) protruding in the axial direction toward the bearing (111), and an arm portion (126) protruding in the axial direction from the protruding portion (125) toward the bearing (111).
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
The purpose of the present invention is to provide a motor, the efficiency of which can be improved while ensuring the strength of the core. The stator core (37) of a motor (1) comprises an annular portion (31) and a plurality of projection portions (32) radially extending from the annular portion (31). An inside magnetic body (92) that forms the inside of the plurality of projection portions (32) and an outside magnetic body (91) that forms an outer peripheral portion surrounding the inside of the plurality of projection portions (32) are different from each other. A member that forms the inside of the plurality of projection portions (32) is the plurality of inside magnetic bodies (92) laminated in the axial direction of the motor (1), and a member that forms the outer peripheral portion surrounding the inside of the plurality of projection portions (32) is the plurality of outside magnetic bodies (91) laminated in the axial direction. In the axial direction, the thickness of each of the plurality of inside magnetic bodies (92) is thinner than the thickness of each of the plurality of outside magnetic bodies (91).
This strain gauge has a substrate and a resistor that is formed on the substrate. The resistor is formed of a material containing Cr as the main component. The thickness of the resistor is at least 200 nm so that the lateral sensitivity ratio of the resistor is at most 70% and the gauge rate of the resistor is at least 5.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
47.
MOTOR DRIVE CONTROL DEVICE, MOTOR UNIT, AND MOTOR DRIVE CONTROL METHOD
The present invention achieves both a shortened activation time and post-activation vibration improvement. A motor drive control device (10) comprises a control circuit unit (3) that outputs a drive control signal (Sd) to a motor drive unit (2) for selectively energizing three phase coils (Lu, Lv, Lw) of a motor (20), thereby switching, in a prescribed order, energization patterns of the three phase coils (Lu, Lv, Lw) energized by the motor drive unit (2). The control circuit unit (3) includes: an energization-switching-signal generation unit (35) that generates an energization switching signal (S6) for switching the energization patterns of the three phase coils (Lu, Lv, Lw) of the motor (20) in accordance with a rotation state of the motor (20) at a timing determined on the basis of the 180° section or the 360° section of a position detection signal (Shu); and a drive-control-signal generation unit (33) that switches the energization patterns on the basis of the energization switching signal (S6) so as to generate, as the drive control signal (Sd), a PWM signal (S4) for performing sine wave driving of the motor (20).
The present invention reduces rotation speed fluctuation associated with phase adjustment. A motor drive control device (1) comprises: a control circuit (2) that generates a drive control signal (Sd) which is a PWM signal for controlling drive of a motor (5) having a coil of at least one phase; and a motor drive unit (3) that outputs a drive signal to the motor (5) in accordance with the drive control signal (Sd). The control circuit (2) is provided with: a phase adjustment control unit (20) that determines, on the basis of the phase difference between an induction voltage in a coil of a prescribed phase of the motor (5) and a coil current of the prescribed phase, a phase adjustment amount (S2) obtained by advance control or delay control for the coil current; a PWM duty adjustment unit (30) that determines, in accordance with the phase adjustment amount (S2) determined by the phase adjustment control unit (20), a PWM duty adjustment amount (Sa) for adjusting the PWM duty of a PWM signal; and a drive control signal generation unit (40) that generates the drive control signal (Sd) on the basis of a drive command signal (Sc) from the outside, the phase adjustment amount (S2), and the PWM duty adjustment amount (Sa).
This strain gauge comprises a substrate and a resistor that is formed on the substrate. The resistor is formed from a material containing Cr as the main component. The line width W and thickness T of the resistor have a relationship that satisfies formula (1) so that the transverse sensitivity ratio of the gauge is at most 70% and the gauge factor of the gauge is at least 5. (1): w ≤ 0.0177t2 + 0.1521t + 2.9541 (in formula (1), w = logW and t = logT)
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
A sterilization system of an embodiment includes a light source unit, a horizontal angle adjustment unit and/or a vertical angle adjustment unit, and a controller. The light source unit emits ultraviolet rays in a radiating form. The horizontal angle adjustment unit adjusts a horizontal angle of the light source unit by causing rotation of the light source unit in a horizontal direction. The vertical angle adjustment unit adjusts a vertical angle of the light source unit by causing rotation of the light source unit in a vertical direction. The controller reads setting information including the horizontal angle and/or the vertical angle, controls the rotation caused by the horizontal angle adjustment unit and/or the vertical angle adjustment unit, and controls irradiation of the ultraviolet rays by the light source unit.
The purpose of the present invention is to provide a material testing machine in which the effect of noise can be reduced. A material testing machine (1, 2) comprises a measurement unit (22, 142) that converts a force applied to a test object (100) to an electrical signal, and an amplification conversion unit (23, 159) that includes an amplifier (24, 154) for amplifying the electrical signal and an AD converter (25, 155) for digitizing the electrical signal amplified by the amplifier (24, 154), the amplification conversion unit (23, 159) being configured so as to be integrated with the measurement unit (22, 142), or being configured so as to be separate from the measurement unit (22, 142) and being arranged in the vicinity of the measurement unit (22, 142).
[Problem] To reduce magnetic flux interlinking with stator windings by effectively shielding magnetic flux that is generated by a rotating electrical machine. [Solution] Provided is a stator 100 of a resolver 1, comprising: a stator core 110 including a core back portion 111, and teeth 112 extending radially inward from a peripheral edge of the core back portion 111; an insulator 120 provided on the stator core 110; stator windings 130 wound around the teeth 112 via the insulator 120; and a shield 160 having an annular shape and covering a motor side of the stator core 110. The insulator 160 includes a winding portion that is attached to the teeth 112, and a flange portion 125 extending radially outward from the winding portion. The shield 160 includes a first annular portion 161 that covers the core back portion 111, and a second annular portion 164 that covers the stator windings 130. The flange portion 125 is interposed between the core back portion 111 and the first annular portion 161.
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
The invention relates to a flap actuator, comprising a flap, an actuating drive for actuating the flap along an actuating path from a closed position to an open position, and a linkage mechanism, the linkage mechanism comprising a toggle joint having a first leg and a second leg. The first leg is rotatably supported at a first rotation point and the second leg is rotatably supported via a second rotation point. Furthermore, the first leg and the second leg are rotatably linked to each other at a moveable third rotation point, wherein the second leg includes a guiding slot along a longitudinal direction of the second leg and the first leg includes a guiding projection engaging the guiding slot, wherein the guiding projection forms the third rotation point and is supported in the guiding slot to be moveable along the longitudinal direction. The toggle joint comprises an elastic element which, when the flap is in its closed position, exerts a force on the toggle joint so that the toggle joint causes a restoring force on the flap in the closing direction, and/or the guiding slot has a length L and a width B, wherein L>B, and the second leg, at a position Pos2 along the longitudinal direction of the guiding slot at which the guiding projection is situated when the flap is in its closed position, includes a second recess having a width Br2, wherein Br2>Br, and wherein the guiding projection, when the flap is in its closed position, is in at least partial engagement with the second recess so that the toggle joint causes a retaining force and/or a restoring force on the flap in the closing direction.
A drive control device includes a rotation speed calculation unit configured to calculate a rotation speed of a motor based on a rotation position detection signal of the motor, an energization stop time period calculation unit configured to calculate an energization stop time period for stopping energization to all phases of coils of the motor based on a target rotation speed and the rotation speed of the motor, and an energization signal generation unit configured to generate an energization signal for controlling energization to the coils of the motor to switch energization to the coils of the motor and to stop energization to all the coils of the motor in the energization stop time period.
H02P 3/20 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by reversal of phase sequence of connections to the motor
H02P 6/17 - Circuit arrangements for detecting position and for generating speed information
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
H02K 11/33 - Drive circuits, e.g. power electronics
55.
STERILIZATION SYSTEM, CONTROLLER, AND CONTROL METHOD
A sterilization system of an embodiment includes a light source unit, a horizontal angle adjustment unit, and/or a vertical angle adjustment unit, a first sensor unit, a second sensor unit, and a controller. The light source unit emits ultraviolet rays in a radiating form. The horizontal angle adjustment unit adjusts a horizontal angle of the light source unit by causing rotation of the light source unit in a horizontal direction. The vertical angle adjustment unit adjusts a vertical angle of the light source unit by causing rotation of the light source unit in a vertical direction. The first sensor unit detects an object having a body temperature. The second sensor unit detects proximity of an object. The controller reads setting information including the horizontal angle and/or the vertical angle, controls the rotation caused by the horizontal angle adjustment unit and/or the vertical angle adjustment unit, and controls irradiation of the ultraviolet rays by the light source unit based on a status of the detection by the first sensor unit and the second sensor unit.
A sterilization system according to an embodiment comprises a plurality of sterilization devices (1), each of which includes a light source unit (21), a horizontal angle adjustment unit (4) and/or a vertical angle adjustment unit (3), and a control device (5). The light source unit (21) emits an ultraviolet ray at a wavelength that has little effect on the human body. The horizontal angle adjustment unit (4) adjusts a horizontal angle of the light source unit (21) by turning the light source unit (21) with respect to the horizontal direction. The vertical angle adjustment unit (3) adjusts a vertical angle of the light source unit (21) by turning the light source unit (21) with respect to the vertical direction. The control device (5) controls the turning of the horizontal angle adjustment unit (4) and/or the vertical angle adjustment unit (3), and irradiates an object with the ultraviolet ray by means of the light source unit (21). Each of the control devices (5) controls the turning of the horizontal angle adjustment unit (4) and/or the vertical angle adjustment unit (3) on the basis of setting data including an irradiation direction for irradiating the ultraviolet ray onto the same object at the same time, and controls the irradiation of the ultraviolet ray on the basis of a control value of an exposure amount of the ultraviolet ray amount, which has been adjusted with a value based on the number of the plurality of sterilization devices (1) that irradiate the same object with the ultraviolet rays.
This strain gauge has a substrate and a resistor that is formed on the substrate, the resistor being formed from a material containing Cr as a main component, and the line width of the resistor being 70 μm or lower so that the lateral sensitivity ratio is equal to or less than 70% and the gauge rate is 5 or greater.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
21414B compound, the easy axis of magnetization thereof is aligned with the short axis direction of crystal grains of the main phase, the thickness in the direction of the easy axis of magnetization is 0.07-0.2 mm, and the rate of reduction of residual magnetization is not more than 5% (where the rate (%) of reduction of the residual magnetization is the ratio of reduction of residual magnetization with respect to 100%, given that 100% is the residual magnetization when the thickness of the rare earth magnet is 0.5 mm).
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
59.
HEART RATE INFORMATION ACQUISITION SYSTEM, AND BED SYSTEM
A heartbeat information acquisition system (100) configured to acquire heartbeat information of a subject (S) on a bed (BD), including a plurality of load detectors (11, 12, 13, 14) configured to detect a load of the subject on the bed, a waveform acquisition unit (321) configured to acquire, based on outputs of the plurality of load detectors, a plurality of heartbeat waveforms respectively corresponding to the plurality of load detectors, a waveform selection unit (322) configured to select, from the plurality of heartbeat waveforms, a largest amplitude waveform being a heartbeat waveform having a largest amplitude among the plurality of heartbeat waveforms, and a heartbeat information acquisition unit (323) configured to acquire the heartbeat information of the subject based on an output of a load detector, among the plurality of load detectors, corresponding to the largest amplitude waveform.
The present invention pertains to an adjustment method for a pulse wave measuring device that can be mounted on a wrist of a user. The pulse wave measuring device comprises: a pulse wave sensor that is equipped with a strain gauge and acquires pulse waves by measuring the pulse at a radial artery; a pressing means that presses the pulse wave sensor against the radial artery; and an output unit that outputs a measurement value of the pulse wave sensor in the form of a digital signal. The adjustment method comprises: a step for acquiring pulse waves by means of the pulse wave sensor when the pulse wave measuring device is mounted on a user's wrist and outputting the acquired measurement value in the form of a digital signal; a step for comparing the voltage level of the digital signal with a range that has been preset with respect to a maximum voltage level for the output unit; and a step for adjusting or designating a pressing force to be applied to the pulse wave sensor in the case when the voltage level of the digital signal falls outside said preset range.
A61B 5/02 - Measuring pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography; Heart catheters for measuring blood pressure
A motor includes a rotor and a stator. The stator includes a plurality of segments coupled via engaging parts. The segment includes a plurality of pieces coupled via a coupling part. The plurality of pieces are disposed in an arc shape. The plurality of segments are disposed in an annular shape. The engaging part has two protruding parts projecting to a circumferential direction side and a recess part provided between the two protruding parts. Among the two segments disposed adjacently, the protruding part of one segment is engaged with the recess part of the other segment, and the recess part of the one segment is engaged with the protruding part of the other segment. The two protruding parts of the one segment and the other segment have top parts, and the protruding part of the one segment and the recess part of the other segment have a first plane and a third plane opposing one another. The first plane and the third plane extend in a radial direction and a circumferential direction of the stator, and extend in directions intersecting one another toward the top part.
To provide a rotary apparatus able to facilitate assembly of the rotary apparatus, and an attaching structure of the rotary apparatus. A rotary apparatus (1) includes a motor (10) having motor terminals (13), terminal members (21) and (22), a first housing (60), the terminal members (21) and (22) being attached to the first housing (60), and a second housing (40) having an accommodating part configured to accommodate the motor (10), the first housing (60) being attached to the second housing (40). The first housing (60) is attachable to or separable from the second housing (40) in a predetermined direction. The terminal members (21) and (22) are electrically connected to the motor terminals (13). The terminal members (21) and (22) have externally-connected terminal portions (33) and (34) to be connected to an external unit. The predetermined direction is a longitudinal direction of the externally-connected terminal portions (33) and (34).
The purpose of the present invention is to reduce the size of rotary equipment or a detection device. This rotary equipment (detection device) (1) has a case (10), a shaft (20) supported so as to be rotatable with respect to the case (10), and a detection unit (50) disposed on the outer surface (11a) or the inner surface (11b) of the case (10). The case (10) is provided with a first case member (11), a second case member (12), and a connecting part (13) connecting the first case member (11) and the second case member (12). The detection unit (50) is disposed between the shaft (20) and the connecting part (13).
G01L 5/22 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
64.
WEIGHT MANAGEMENT DEVICE AND BIOLOGICAL INFORMATION MONITORING SYSTEM
A weight management device is used in a biological information monitoring system configured to monitor biological information of a subject on a bed (BD), based on a detection value of a load detector (LS1, LS2, LS3, LS4) configured to detect a load of the subject. The weight management device includes a housing, a display provided at an outer surface of the housing and configured to display a weight of the subject, based on the detection value, and an attachment portion provided at an outer surface of the housing and attachable to and detachable from the bed.
According to the present disclosure, a strain gauge has: a flexible substrate; a resistor formed on the substrate; and a pair of electrodes formed on the substrate and electrically connected with the resistor via conductive traces, and, in this strain gauge, a width of the resistor is 10 μm or more and 100 μm or less, and the conductive traces include a portion with a width of 5 μm or more and 100 μm or less.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
66.
MOTOR DRIVE CONTROL DEVICE, MOTOR CONTROL CIRCUIT, AND MOTOR DRIVE CONTROL METHOD
This motor drive control device measures the performance affecting parameters of a motor while taking the currents of two-phase coils, although having a simple circuit configuration. A control circuit unit (4) of a motor drive control device (1) performs control calculation processing of a motor (20) in a half-cycle of each of continuous two PWM cycles and obtains, in the remaining two half-cycles in which the control calculation processing in the continuous two PWM cycles is not performed, a first current detection result and a second current detection result that are the currents of the two-phase coils of three-phase coils obtained from a current detection circuit (2c) and a performance affecting parameter detection result obtained from a performance affecting parameter detection unit.
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
The present invention provides a tactile feedback device that detects a user operation based on touch without erroneous detection, providing stable tactile feedback. This device includes: an operated section that receives a user operation based on touch; a touch detection section for detecting touch on the operated section; a load detection section that detects a load on the operated section due to touch; a vibration actuator that generates vibration and outputs the vibration to the operated section; and a driving control section that drives, in response to the detection of touch and detection of load, the vibration actuator to vibrate the operated section, feeding back tactile sensation to a user, wherein the load detection section stops detection of a load during vibration.
A motor includes a rotor, a stator, a first substrate, a second substrate, and an electronic component arranged at the second substrate. The stator includes a stator core, an insulator, and a coil wound around the stator core via the insulator. The insulator includes a coupling part connected to an external device. The first substrate is fixed to the insulator. The second substrate is fixed to the first substrate. The first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor.
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 1/04 - DYNAMO-ELECTRIC MACHINES - Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
H02K 11/30 - Structural association with control circuits or drive circuits
According to the present disclosure, a strain gauge includes: a flexible substrate; a resistor made from a film containing Cr, CrN, and Cr2N, on one surface of the substrate; and a resin barrier layer covering the resistor, and, in this strain gauge, in the barrier layer, a ratio of a moisture permeability (g/m2/24 h) to a thickness (mm) is 5:1 or greater, and the thickness of the barrier layer is 100 μm or more and 3 mm or less.
G01L 1/22 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
Provided is a sensor device with a simple configuration. A sensor device (1, 100, 200) comprises: a shaft (S), a bearing (20) directly or indirectly disposed on the shaft (S); and a holder (10, 210) disposed on the bearing (20). The holder (10, 210) includes: an inner circumferential member (11); an outer circumferential member (12, 212); a connecting portion (13) that connects the inner circumferential member (11) and the outer circumferential member (12, 212); and a first strain sensor (16) disposed on the connecting portion (13). In the radial direction, the inner circumferential member (11) is disposed outside of the bearing (20), and the connecting portion (13) rotatably supports the inner circumferential member (11) relative to the outer circumferential member (12, 212).
G01L 5/1627 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance of strain gauges
71.
R-T-B-BASED SINTERED MAGNET AND METHOD FOR PRODUCING SAME
This R-T-B-based sintered magnet (R represents a rare earth element including Nd, and T represents a transition metal element including Fe) comprises, as a rare earth element, at least dysprosium (Dy). When the value of saturation remnant magnetization of the R-T-B-based sintered magnet is noted as B, and the value of magnetization indicated by an initial magnetization curve when an external magnetic field of 500 kA/m is applied to the R-T-B-based sintered magnet is noted as A, the magnetization ratio A/B is smaller than 1.0 (but greater than 0) and the pole pitch in the R-T-B-based sintered magnet is less than 4 mm (but greater than 0 mm).
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
C22C 33/02 - Making ferrous alloys by powder metallurgy
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
This vibration actuator has: a movable stacked body including a magnet and a pair of yokes which are respectively fixed to the front surface and the rear surface of the magnet and have openings in the center; a fixed body which has a coil and supports the movable stacked body on the inside of the coil with a pair of elastic support parts in a state in which the movable stacked body can reciprocate and vibrate in an axial direction; and a pair of connection parts each having a cylindrical member and a shaft member which is inserted into the cylindrical member and has a flange on the base end thereof. While the leading ends of the shaft members are in contact with the front surface or the rear surface of the magnet in the openings of the pair of yokes, the pair of connection parts cause the movable stacked body to be connected to the pair of elastic support parts by clamping the pair of elastic support parts by means of the flange of the shaft members and the base end-side end surface of the cylindrical member.
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
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
73.
DRIVING CONTROL DEVICE, DRIVING CONTROL SYSTEM, AND STATE ESTIMATION METHOD
The present invention improves the stability of the operation of a motor when a commutation mode is switched. This motor drive control device (3) comprises: a control circuit (1) that generates a drive control signal (Sd); and a drive circuit (2) that drives the coil (41) of a motor (4) on the basis of the drive control signal (Sd). The control circuit (1) includes: a commutation mode setting unit (11) that sets as a communication mode, a first commutation mode in which the coil (41) is commutated on the basis of the detection result of zero crossing of a back electromotive force of the coil (41) or a second commutation mode in which the coil (41) is commutated so that the rotational speed of the motor (4) does not exceed a target rotational speed; a target rotational speed setting unit (14) that sets the target rotational speed; and a drive control signal generation unit (12) that generates the drive control signal (Sd) on the basis of the commutation mode set by the commutation mode setting unit (11). The target rotational speed setting unit (14) gradually reduces the target rotational speed to a final target value (st) when the commutation mode is switched from the first commutation mode to the second commutation mode.
XX, SSG) attached to the outer peripheral surface of the hollow shaft; and a processing circuit (20) that is disposed in the internal space of the hollow shaft and processes the output from the strain gauge.
The present invention improves the drive efficiency of a motor. A motor drive control device (1) includes: a target point determination unit (12) that is synchronized to the induced voltage of a U-phase coil (Lu) of a motor (5) and determines a target point (P) for the zero cross of U-phase coil current (Iu) on the basis of a position detection signal (Shu) corresponding to the rotational position of the rotor of the motor (5); a current zero cross estimation unit (14) that estimates the zero cross point (Q) of the U-phase coil current (Iu) on the basis of the occurrence of a switch in the order of the timing at which the drive voltage (Vu) of the U-phase coil (Lu) reaches a high level and the timing at which a PWM signal (Suu) for turning a high side switch (QuH) corresponding to the U-phase on or off reaches a high level; a phase adjustment determination unit (15) that determines whether phase adjustment of the U-phase coil current (Iu) is necessary on the basis of the phase difference (Δφ) between the target point (P) and the zero cross point (Q); and a drive control signal generation unit (16) that generates a drive control signal (Sd) on the basis of the determination result (S2) by the phase adjustment determination unit (15).
The present invention suppresses an increase in power consumption of a motor. A control circuit (1) comprises: a commutation mode setting unit (11) that selects and sets as a commutation mode a first commutation mode in which a coil (41) of a motor (4) is commutated on the basis of a detection result of zero crossing of a reverse voltage of the coil (41), or a second commutation mode in which the coil (41) is commutated according to a target energization time; a driving control signal generation unit (12) that generates a driving control signal (Sd) on the basis of the set commutation mode; a current limitation value setting unit (14) that sets a current limitation value; and a current limitation unit (16) that instructs the driving control signal generation unit (12) to stop excitation of the coil (41) when the current flowing through the coil (41) has reached the current limitation value. The current limitation value setting unit (14) sets the current limitation value to an upper limit value (Ith1) in a period in which the commutation mode is the first commutation mode, and sets the current limitation value to a lower limit value (Ith2) in at least a partial period in the second commutation mode.
This absolute encoder comprises: a main shaft gear that rotates with a main shaft; a first magnet that rotates with the main shaft; a first magnetic sensor that detects a change in a magnetic flux generated by the first magnet; an idle gear that has a smaller number of teeth than the number of teeth of the main shaft gear and that rotates according to the rotation of the main shaft gear; a first secondary shaft disposed parallel to the main shaft; a first driven gear that is attached to the first secondary shaft and that meshes with the idle gear; a second magnet that rotates with the first secondary shaft; a second magnetic sensor that detects a change in a magnetic flux generated from the second magnet; a second secondary shaft disposed parallel to the main shaft; a second driven gear that is attached to the second secondary shaft, that has a different number of teeth from the number of the teeth of the first driven gear, and that meshes with the idle gear; a third magnet that rotates with the second secondary shaft; and a third magnetic sensor that detects a change in a magnetic flux generated from the third magnet.
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
G01D 5/04 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using mechanical means using gearing
G01D 5/12 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
80.
ROTOR, MOTOR USING THE ROTOR, AND ELECTRONIC DEVICE
Provided is a rotor capable of effectively utilizing magnetic flux generated from a magnet, a motor using the rotor, and an electronic device. The rotor, the motor using the rotor, and the electronic device include a rotor core including: an annular part; a plurality of magnetic pole pieces extending in a radial direction; and a plurality of connecting parts configured to connect the annular part and each of the plurality of magnetic pole pieces; a plurality of first magnets disposed between two adjacent magnetic pole pieces of the plurality of magnetic pole pieces in a circumferential direction; and a plurality of second magnets disposed in a space formed between two adjacent connecting parts of the plurality of connecting parts in the circumferential direction, the connecting parts extending in a direction having both of a component of the radial direction and a component of the circumferential direction.
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 21/16 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
According to the present disclosure, a strain gauge has: a flexible substrate; a resistor formed on the substrate; and a pair of electrodes formed on the substrate and electrically connected with the resistor via conductive traces, and, in this strain gauge, the conductive traces include a first metal layer and a second metal layer formed over an upper surface of the first metal layer, and the second metal layer is formed in a pattern that is different from a pattern of the first metal layer.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
82.
MOTOR DRIVE CONTROL DEVICE, FAN AND MOTOR DRIVE CONTROL METHOD
A motor drive control device has a control circuit that generates a drive control signal for controlling a rotational speed of a motor based on a speed command signal indicating a target rotational speed of the motor, and a motor driving unit that drives the motor based on the drive control signal. The control circuit performs speed feedback control for generating the drive control signal so that the rotational speed of the motor coincides with the target rotational speed when the target rotational speed is lower than a rotational speed threshold value, and generates the drive control signal based on a relationship between current flowing through the motor and a reference current value when the target rotational speed is higher than the rotational speed threshold value.
The present invention detects markers at high speed. A marker detection device according to the present invention comprises: a storage unit configured to store, as a registered descriptor, a feature descriptor generated from an image that captures a marker in which a plurality of colors are arranged in one direction; an image acquisition unit configured to acquire a one-dimensional image; a feature point detection unit configured to detect a feature point from the one-dimensional image; a feature description unit configured to generate, as an observation descriptor, the feature descriptor which represents a change in luminance of a region including the feature point; and a marker determination unit configured to determine whether or not the one-dimensional image includes the marker on the basis of a collation result of the registered descriptor and the observation descriptor.
G06V 10/74 - Image or video pattern matching; Proximity measures in feature spaces
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G06V 10/46 - Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
One problem addressed by the present invention is the further reduction in size of a torque sensor. A torque sensor (100) equipped with a holder (101) which has an inner-circumferential member (110) and an outer-circumferential member (120), a bearing (102) positioned on the inner-circumferential member (110), and a strain sensor (103), wherein: the outer-circumferential member (120) has an elastic section (122); the strain sensor (103) is attached to the elastic section (122); and the elastic section (122) and the strain sensor (103) each extend along a plane which is parallel to the axial direction.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
The present invention provides a sensor device having excellent environmental resistance. A sensor device (100, 200, 300, 400, 500) includes a shaft (S), a bearing (101, 501) that has an inner circumference side (101a, 501a) and an outer circumference side (101b, 501b), and a strain gauge (102) that is attached to the outer circumference side (101b, 501b) of the bearing (101, 501) directly or via another member. The shaft (S) is disposed radially inside the inner circumference side (101a, 501a) of the bearing (101, 501). The bearing (101, 501) and the shaft (S) are eccentric with respect to each other.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
Provided is a rotating device having excellent performance of cooling a heat generation source. Included are a shaft member, a rotating body having a tubular shape and rotatable about the shaft member, a bearing supporting the rotating body with respect to the shaft member, and a coupling member disposed between the bearing and the rotating body in a radial direction. The coupling member includes a ventilation channel communicating with an inside and an outside of the rotating body.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
This vibration actuator comprises a fixed body including a coil, a movable body including a magnet, and an elastic support part that supports the movable body so as to be freely moveable with respect to the fixed body. The elastic support part has an outer circumferential part fixed to the fixed body, an inner circumferential part disposed inside in the radial direction of the outer circumferential part and fixed to the movable body, and a deforming arm part disposed between the outer circumferential part and the inner circumferential part and coupling the outer circumferential part and the inner circumferential part, the deforming arm part being elastically deformable. An attenuation part is provided across the outer circumferential part and a portion of the deforming arm part on an outer circumferential part side thereof, the attenuation part attenuating vibrations in the elastic support part when the movable body moves.
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
G08B 6/00 - Tactile signalling systems, e.g. personal calling systems
A strain gauge includes a flexible substrate and a resistor formed of material including at least one of chromium or nickel, the resistor being situated above the substrate. The strain gauge includes a functional layer formed of an insulating material that has a higher thermal conductivity than the resistor, the functional layer being situated between the substrate and the resistor. The resistor includes multiple resistive patterns that are juxtaposed. The resistor includes folded portions each of which connects end portions of resistive portions that are next to each other. A first metallic layer formed of a material that has a higher thermal conductivity than the resistor is laminated on the folded portions.
G01L 1/22 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
This strain gauge includes a substrate, a resistor formed on the substrate, and two wires which are formed on the substrate and which are connected in series to both end portions of the resistor, wherein: the resistor includes a plurality of elongate portions which have longitudinal directions arranged parallel to one another in a first direction and which are connected in series with one another; one of the wires is arranged parallel to the elongate portion positioned at one end in a second direction perpendicular to the first direction, and is connected to one end, in the first direction, of said elongate portion; the other wire is arranged parallel to the elongate portion positioned at the other end in the second direction, and is connected to one end, in the first direction, of said elongate portion; each wire includes a first metal layer and a second metal layer which is laminated onto the first metal layer and which is formed form a material having a lower volume resistivity than the first metal layer; an outer edge of the first metal layer is exposed away from the second metal layer in a plan view; and in a plan view, an end portion of the second metal layer on one end side in the first direction projects further to said one end side than an end portion, on said one end side in the first direction, of a gap between the first metal layer and the elongate portion adjacent to the first metal layer.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
The motor includes a shaft, a cartridge including a plurality of bearings that support the shaft, and a sleeve that surrounds the bearings, and a housing including a bottom portion for receiving an impact from outside and an attaching portion provided in the bottom portion. The bottom portion of the housing extends in a direction intersecting with respect to a longitudinal direction of the shaft, and the cartridge is removably attached to the attaching portion.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 21/22 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
groovesgrooves 21, 31, and a crown-type retainer 50 inserted between the balls 40. The retainer 50 includes an annular base 51, a pair of supports 52 extending in the axial direction from the base 51, and a plurality of pockets 53 which are formed along the circumferential direction and into which the balls 40 are fitted between the supports 52. The retainer 50 is provided with a tapered surface 54 that comes into contact with the inner ring 30 and that, at the corner of the base 51 on the inner peripheral surface side, gradually increases in inner diameter along the axial direction.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
A vibration actuator according to the present invention comprises a plate that is a magnetic body, an electromagnet that is provided on the plate and is formed by providing a coil to a center part of a core, and an elastic body that supports the core on both sides of the coil and is connected to the plate. Magnetic force generated by energization of the coil causes one of the coil or the plate to be displaced toward the other and vibrate.
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
Provided is a vibration actuator comprising a plate made of magnetic material, a flat electromagnet placed on the plate and having a coil at the center of the core, and a flat elastic body for supporting the electromagnet at a gap from the plate and positioning the coil axis parallel to the plate, wherein when the coil is supplied with electric current to generate a magnetic force, one of the coil and the plate is displaced toward the other, resulting in vibration.
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
Provided is an actuator, the actuator comprising: an actuator body and a control device that includes a circuitry configured to supply a main driving current pulse and a sub-driving current pulse to the coil, both of which are driving current pulses for driving the operation device in one direction in a vibrating direction thereof, in accordance with a touch operation of an operation device supported so as to be elastically vibrated, the main driving current pulse being capable of starting an elastic vibration, the sub-driving current pulse being capable of adjusting attenuation period of the elastic vibration after the starting the elastic vibration, and polarities of the main driving current pulse and the sub-driving current pulse being all identical.
H02P 25/032 - Reciprocating, oscillating or vibrating motors
95.
ABSOLUTE ENCODER, NON-TRANSITORY STORAGE THAT STORES A PROGRAM FOR OUTPUTTING ANGLE ERROR INFORMATION OF ABSOLUTE ENCODER, AND METHOD FOR OUTPUTTING ANGLE ERROR INFORMATION OF ABSOLUTE ENCODER
To correct an error based on a position of a main spindle. An absolute encoder includes a magnet as a permanent magnet provided at a leading end side of a first worm gear part, an angle sensor as an angle sensor configured to detect a rotation angle of the first worm gear part corresponding to a change in a magnetic flux generated from the magnet, a microcomputer configured to output angle position information of a first driving gear in a stopped state, wherein the microcomputer outputs angle error information of the first driving gear corresponding to the angle position information.
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
96.
Bearing apparatus having inner shaft male thread part extending out from outer shaft opening to attach to disk drive base
Provided are at least two bearings; an outer shaft having a tubular shape and supporting the bearings at an outer circumferential surface; and an inner shaft housed in the outer shaft with one end extending out from one opening part of the outer shaft. The inner shaft includes a male thread part at least at a portion extending out from the outer shaft.
G11B 5/55 - Track change, selection, or acquisition by displacement of the head
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
G11B 5/48 - Disposition or mounting of heads relative to record carriers
G11B 5/54 - Disposition or mounting of heads relative to record carriers with provision for moving the head into, or out of, its operative position or across tracks
G11B 25/04 - Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing using flat record carriers, e.g. disc, card
A motor (1) includes: a shaft (20) having a first end and a second end; a cylinder (11C); a bearing (21) that rotatably supports one of the shaft (20) and the cylinder (11C) and is fixed to the other of the shaft (20) and the cylinder (11C); a lid (50) covering the bearing (21) and the cylinder (11C); and a biasing structure (60). The lid (50) includes a first wall (56) fixed to the shaft (20), and a second wall (52) fixed to the cylinder (11C). The first wall (56) and the second wall (52) oppose each other, directly or via a washer (70), in a longitudinal direction of the shaft (20). The biasing structure (60) biases the first wall (56) toward the second wall (52) in the longitudinal direction of the shaft (20).
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
98.
HIGHLY CORROSION-RESISTANT STAINLESS STEEL MEMBER AND METHOD FOR MANUFACTURING SAME, HEAT TREATMENT METHOD FOR STAINLESS STEEL MEMBER, AND ROLLING BEARING AND METHOD FOR MANUFACTURING SAME
To provide a highly corrosion-resistant stainless steel component made of martensitic stainless steel achieving both high corrosion resistance and high hardness without containing ferrite at a surface layer portion. The highly corrosion-resistant stainless steel component is made of martensitic stainless steel containing, by weight, from 0.35 to 0.43% of C, 0.5% or less of Si, 0.5% or less of Mn, 0.04% or less of P, 0.04% or less of S, from 15 to 17% of Cr, from 0.1 to 0.3% of W, from 1.5 to 3.0% of Mo, from 0.001 to 0.005% of B, and from 0.12 to 0.18% of N, with the balance being Fe and an inevitable impurity. The matrix structure of the surface layer portion of the entire outer surface is a two-phase mixed structure containing retained austenite and martensite, and the surface hardness is HRC 57 or more.
A motor includes: a lid including an opening; a bracket including a projecting part; and a terminal extending from the projecting part. A part of the bracket is covered by the lid. The projecting part projects from the opening of the lid.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Locking/unlocking apparatus with security code entry systems (non-electric); door closers (non-electric); door openers (non-electric); door handles of metal; thumb-turns for locking/unlocking; locks (other than electric) of metal; key cylinders; cylinder locks of metal; locks (other than electric) of metal for vehicles; keys of metal for locks; metal materials for building or construction; metal joinery fittings; security locks; rings of metal for keys; padlocks; machine keys; metal hardware Universal joints (Cardan joints); fuel pumps for land vehicles; automobile oil pumps; automobile water pumps; pumps (parts of machines, engines or motors); transmissions for machines; bearings (parts of machines); shaft couplings (machines); axles for machines; shock absorbers for machines; springs (parts of machines); starters for motors and engines; AC motors and DC motors (not including those for land vehicles but including "parts" for any AC motors and DC motors); control cables for machines, engines or motors; ignition magnetos for engines; parts and fittings for lawnmowers; electric door openers; electric door closers; parts and fittings for electric door openers; construction machines and apparatus; loading-unloading machines and apparatus; agricultural machines and agricultural implements, other than hand-operated; non-electric prime movers, not for land vehicles; parts of non-electric prime movers; mechanical parking systems; vehicle washing installations; machine elements, not for land vehicles Switches; electrical switches for control of land vehicles; tailgate control switches; sun roof control switches; drive control system changeover switches; power seat switches; power window control switches; airbag system control switches; rear window defogger switches; rheostat light control switches; light changeover switches; windshield wiper switches; mirror control switches; switches incorporated in instrumental panels of land vehicles; fog switches; hazard switches; switches installed in steering wheels for automatic transmission vehicles; upshift/downshift functions changeover switches for automatic transmission vehicles; inhibiter switches; pressure switches; sensors; electric sensors; electronic sensors; rotary sensors; tilt sensors; proximity sensors; electronic sensors for vehicles; biometric sensors; touch sensors; temperature sensors; level sensors; photo sensors; light detection sensors for vehicles; wheel speed sensors for vehicles; engine starting switches; ignition starting switches; electromagnetic switches; electric relays; fuse boxes; keyless entry systems for vehicles; radio control units for remote keyless entry installations; immobilizers; keys incorporating transponders designed to correspond with immobilizers; keys incorporating keyless transmitters; electronic control units for automobiles; electric wire harnesses for automobiles; meters for land vehicle use; meter panels for land vehicles; wireless locking/unlocking apparatus for building; wireless door opening/closing apparatus for building; intruder detecting apparatus (other than for vehicles) for building; electric locks remote-controlled with radio signals; electric/electronic locking/unlocking apparatus; electronic keys; magnetic key cards; locking/unlocking apparatus by reading integrate circuit cards/magnetic cards; cylinder locks, electric or electronic; electric locks; electronic locks; locking/unlocking apparatus by biologic information reading; locking/unlocking apparatus with security code entry systems (electric); integrated circuit cards (smart cards); electrical remote control apparatus; electric switches; electric anti-theft security systems (other than for vehicles); transmitting/receiving apparatus for remote-controlling locking/unlocking of doors (incorporating electronic circuits) of buildings; radio signal verification apparatus for personal identification; wireless engine starting controlling apparatus for land vehicles; wireless locking/unlocking apparatus of doors of land vehicles; transmitting/receiving apparatus for remote-controlling locking/unlocking of doors of land vehicles, incorporating electronic circuits; in-key portable devices equipped with memory to store breakdown and failures for land vehicles; security systems for vehicles (other than locks); encoded keys for opening central locking in vehicles or starting vehicles; buzzers; electric buzzers; electronic buzzers; electronic door closing systems; measuring or testing machines and instruments; power distribution or control machines and apparatus; electric or magnetic meters and testers; telecommunication devices and apparatus; electronic machines, apparatus and their parts; antenna covers; antenna modules; antennas; battery boxes; radio communication machines and apparatus; electrical and electronic control apparatus and instruments; vehicle door opening and closing devices using a human detection sensor; charge port doors for electric vehicles; digital keys for operating door locks and starting the engine of land vehicles; Keyless entry system and keyless ignition switch system for automotive vehicles comprised of a microprocessor, electronic signal receiver, and key fob with electronic signal transponder; wheel sensors for use in anti-lock braking systems for automobiles; wheel sensors for motorcycles; headup display apparatus for vehicles; optical machines and apparatus; camera mounting holders for vehicles; Electronically-operated door latches; door locking/latching apparatus for land vehicles, electric or mechanical; electromagnetic solenoid; electric actuators; electric wires and cables Vehicle headlights; lighting apparatus for vehicle interior use; ventilation (air-conditioning) installations for vehicles; heater controlling units for vehicle use; lamps for directional signals of vehicles; light bulbs for directional signals for vehicles; light-emitting diodes (LED) lighting apparatus; operating panels and apparatus for air conditioners for vehicles Locking/door latching apparatus for land vehicles; mechanical steering lock apparatus for land vehicles; electric steering lock apparatus for land vehicles; actuators for driving door locking/latching apparatus for land vehicles; actuators for land vehicle fuel lids for land vehicles; hood latches for vehicle hoods; door handles for automobiles and other land vehicles; retractable door handles for automobiles and other land vehicles; geared motors for land vehicles; electromagnetic solenoid for use as parts of driving units for land vehicles; driving units for land vehicles; push, pull or push-pull wire cables for vehicle use; seats for land vehicles; horns for land vehicles; universal joints for use with drive shafts for land vehicles; crankshafts; power transmission shafts for land vehicles; steering wheels for land vehicles; anti-theft security devices for vehicles; anti-theft alarms for vehicles; rearview mirrors for vehicles; side view mirrors for vehicles; electric retractable door mirror units for automobiles; tires for land vehicles; power window regulators for land vehicles; direction signals for land vehicles; gearshift levers for land vehicles; gas springs for land vehicles; alternative current motors or direct current motors for land vehicles; glove compartments of land vehicles; console boxes of land vehicles; overhead consoles for land vehicles; caps for land vehicle fuel tanks; gear boxes for land vehicles; parts and fittings of automobiles.; parts and fittings of two-wheeled motor vehicles, bicycles; parts and fittings of wheelchairs; cabinets for electric steering column lock units for vehicles; electrical steering lock apparatus for motorcycles; electric parking brake harnesses for vehicles use; antenna covers for land vehicles; ropeways for cargo or freight handling; mechanical elements for land vehicles; bearings, machine elements for land vehicles; driving units for power tailgate (parts of land vehicles)
