Disclosed is a haptic feedback method, a related device and a computer readable storage medium. The haptic feedback method is used in a wearable device, and the haptic feedback method includes: receiving first vibration information sent by a terminal device; on the basis of the first vibration information, sending vibration feedback information to the terminal device; receiving second vibration information sent by the terminal device; and on the basis of the first vibration information, implementing vibration. The present method aims to solve the problem in the prior art of the information sent by the wearable devices being limited.
A three-dimensional reconstruction method, comprising: performing slide calculation on an acquired current image frame to obtain to-be-processed windows; performing point feature extraction and line feature extraction on the to-be-processed windows, and determining corresponding features in each to-be-processed window; performing iterative quadtree splitting for circles on each target to-be-processed window to obtain circular regions of interest corresponding to each target to-be-processed window; performing feature screening on features in the target circular regions of interest to obtain target features corresponding to each target circular region of interest; and performing three-dimensional reconstruction corresponding to the current image frame by using the target features. By introducing line features in the feature extraction stage of three-dimensional reconstruction, the line segment features in the three-dimensional reconstruction scenes can be better perceived, and the reconstruction efficiency of simple regular three-dimensional models can be accelerated.
Disclosed is a method for correcting battery level of wireless earphones. The wireless earphones comprise a voltameter, the voltameter determines the battery level of the wireless earphones according to a power supply voltage of the wireless earphones. The method for correcting battery level of wireless earphones comprises: when a charging device is started for the first time after firmware upgrade is completed, obtaining an interval period between a starting time point of the charging device and a predicted starting time point of the wireless earphones; determining a target period according to the interval period, wherein the target period is greater than or equal to the interval period; and controlling a charging circuit of the charging device to be disconnected for the target period, to enable the wireless earphones to be discharged for the target period.
A rotating assembly and a handle having the same are disclosed. The rotating assembly comprises a rotary shaft (1), an accommodating body (2) and a position-limiting switch (3). An outer wall of the rotary shaft (1) is provided with a first tenon (11) and a second tenon (12). The accommodating body (2) is provided with a matching hole (21) for the first tenon (11) to insert and rotate therein. An inner wall of the matching hole (21) is provided with a convex rib (22). By rotating the rotary shaft (1), a side wall of the first tenon (11) and a side wall of the convex rib (22) butt against or separate from each other, so that in an axial direction of the rotary shaft (1), the rotary shaft (1) is fixed or movable relative to the accommodating body (2). When the side wall of the first tenon (11) and the side wall of the convex rib (22) butt against each other, the position-limiting switch (3) and the second tenon (12) are clamped together to prevent the rotary shaft (1) from rotating relative to the accommodating body (2). The handle having the rotating assembly has a body portion that can flip with respect to two gripping portions, so the handle can be applied to various occasions.
An image display method, an image display device, and a readable storage medium are disclosed. The image display method applied to a headset display device comprises: controlling the camera to capture a display image, comparing the display image with a corresponding reference image, to obtain a pixel point of the display image that is changed relative to the reference image, wherein the reference image is a previous frame image of the display image captured by the camera (S10); obtaining pixel information of the pixel point according to the changed pixel point (S20); and refreshing the changed pixel point to the display screen according to the pixel information (S30).
A blood pressure measuring device comprises a device body, an air bag, an air nozzle and a piston, an air pump is provided in the device body, a casing of the device body is provided with a mounting hole and an air channel connection hole communicating with the mounting hole, the air channel connection hole is communicated with an air outlet of the air pump, the piston is installed in the mounting hole, the piston includes a piston sealing portion capable of forming a seal with the mounting hole positioned above the air channel connection hole, the air nozzle includes a through hole communicating with the air bag, when the air nozzle is inserted into the mounting hole, the air nozzle presses the piston downward until the piston sealing portion is positioned below the air channel connection hole, the through hole is communicated with the air channel connection hole.
An apparatus and a method for force sensing, and an electronic device. The apparatus includes at least one first sensor, at least one second sensor, and a comparator. The at least one first sensor generates a first signal, the at least one second sensor generates a second signal, and the comparator receives both the first signal and the second signal. The first signal is determined by deformation of a deformable portion and temperature at the deformable portion, and the second signal is determined by the temperature at the deformable portion. The comparator determines whether the deformable portion deforms based on the first signal, the second signal, and the threshold signal, and further generates the third signal which is in the active state in response to the determination being positive. The apparatus can make an accurate response when the deformation of the deformable portion serves as an input operation.
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
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
An electronic device includes, but is not limited to a device body (1), a display screen (2, 2′, 2″) position-adjustably disposed on the device body (1), and a speaker disposed in the device body (1). The device body (1) is provided with sound holes (3) for sound to pass through at least on a display screen mounting surface. The display screen (2, 2′, 2″) is movable between a shielding position at which all the sound holes on the display screen mounting surface are shielded and a non-shielding position at which part or all of the sound holes (3) on the display screen mounting surface are exposed outside.
An audio signal processing method including the following steps: acquiring a bone conduction audio signal collected by a bone conduction vibration pickup device; acquiring a low frequency transfer function which matches the bone conduction audio signal and a high frequency transfer function corresponding to the low frequency transfer function, wherein the low frequency transfer function and the high frequency transfer function are corresponding transfer functions between the bone conduction audio signal and an air conduction audio signal which correspond to the same voice; and performing frequency domain extension on the bone conduction audio signal on the basis of the low frequency transfer function and the high frequency transfer function, and taking the extended initial audio as output audio. The effect of improving the integrity pf a voice signal collected by a terminal device is achieved.
A method and device for adjusting a position of an earphone, equipment and storage medium are disclosed. The earphone is provided with a TOF sensor. The method comprises: acquiring position information of an ear using the TOF sensor, wherein the position information of the ear includes positions of points describing the ear in morphology; determining a position of a center point of an ear canal of the ear according to the position information of the ear; acquiring a position of a center point of the earphone; and outputting an adjustment vector of the position of the earphone according to the position of the center point of the ear canal and the position of the center point of the earphone.
Disclosed is a heat dissipation method for a head-mounted device. A temperature sensor, a heat dissipation fan and a power supply are disposed in the head-mounted device. The heat dissipation method for a head-mounted device comprises: obtaining a temperature acquired by the temperature sensor and an electric quantity of the power supply periodically or in real time; and activating the heat dissipation fan when it is determined that the head-mounted device satisfies a heat dissipation condition according to the temperature and the electric quantity. Further disclosed are a head-mounted device and a computer-readable storage medium. By means of the present disclosure, heat dissipation can be performed on a head-mounted device in a timely manner, thereby ensuring the service life of the head-mounted device.
A visual guidance-based mobile game system (001) comprises a terminal (100) and a gamepad (200) connected with the terminal (100). The terminal (100) comprises a user interface module configured to receive an eye movement image and output a mobile game response. The mobile game system (001) further comprises a visual intelligent guidance module (210) and a data processing module (220) that are connected with the user interface module (120). The eye tracker converts the eye movement image into the eye tracking information. The visual intelligent guidance module (210) is configured to transmit the eye tracking information to the data processing module (220). The data processing module (220) is configured to determine a responsive instruction corresponding to the eye tracking information according to the eye tracking information, so as to guide a control point on a screen of the terminal according to the responsive instruction and complete the mobile game response.
A63F 13/213 - Input arrangements for video game devices characterised by their sensors, purposes or types comprising photodetecting means, e.g. cameras, photodiodes or infrared cells
A63F 13/42 - Processing input control signals of video game devices, e.g. signals generated by the player or derived from the environment by mapping the input signals into game commands, e.g. mapping the displacement of a stylus on a touch screen to the steering angle of a virtual vehicle
DIAPHRAGM FOR SOUND PRODUCING DEVICE, SOUND PRODUCING DEVICE, AND METHOD FOR ASSEMBLING THE SAME
A diaphragm applied to a sound producing device, a sound producing device, and a method for assembling the same. The diaphragm comprises a film layer prepared by means of a crosslinking reaction of at least one of an ethylene-acrylate copolymer and an ethylene-acrylate-carboxylic acid copolymer. The molecular structure of the diaphragm comprises a vinyl-acrylic group. The group causes the material to have a less symmetrical chemical structure, a reduced tacticity and an increased steric hindrance, such that the diaphragm has a high loss factor, and the sound producing device achieves a good damping effect.
A sound generating apparatus and an electronic device, comprising: a voice coil assembly; a pad disposed on a surface of the voice coil assembly and also provided with a separation structure, and the separation structure separates the pad into a first conductive part and a second conductive part, the first conductive part and the second conductive part are electrically connected, and the voice coil assembly is electrically connected with the first conductive part; and a conductive elastic member connected with the second conductive part, and the conductive elastic member is used for centering support the voice coil assembly. The technical solution of the present disclosure is intended to ensure that the welding end of the conductive structure and the welding end of the voice coil are consistent in height on the welding surface, so as to ensure the sound generating effect of the sound generating apparatus.
Disclosed is an application device, comprising a plurality of elastic members, each elastic member comprises a first connecting portion, a second connecting portion and a deformation portion therebetween, the first connecting portion and the second connecting portion are respectively connected to different members in the application device, and the different members are movable or fixed relative to each other, wherein the deformation portion is formed by extending from a first end to a second end in a straight line and/or a curve in the same direction or in different directions. According to the present disclosure, the manufacturing is simple and convenient, thinning of product is facilitated, and the elastic members maintain good compliance, without influencing the vibration of a vibration unit. At least one elastic member is widened and/or has at least two cross sections with different sizes, thereby reducing the stress concentration, and eliminating the resonance.
Disclosed is an application device, comprising an elastic member group comprising a plurality of elastic members each comprises first and second connecting portions and a deformation portion therebetween, the first and second connecting portions are respectively connected to different members in the application device, the different members are movable or fixed relative to each other, the deformation portion is formed by extending from a first end to a second end in a straight line and/or a curve in same or different directions, forming manner and/or a cross-sectional size and/or material of at least one elastic member are different from other elastic members. The elastic members can be adaptively changed according to different internal environments of the application device, have good compatibility and are simple and convenient to manufacture, facilitate the thinning of products, maintain good compliance, provide sufficient displacement and do not affect the vibration of a vibration unit.
Disclosed are a sound production apparatus and an electronic device, the sound production apparatus comprises an elastic member and a component to be connected, the elastic member comprises a connection end, the component to be connected comprises a coupling region, and a shape and a structure of the connection end are configured such that the connection end is fitted with the coupling region when coupling the connection end and the coupling region. The technical solutions of the present disclosure are intended to have a good coupling effect at the connection between the elastic member and the component to be connected, and to improve the reliability of the sound production apparatus.
Disclosed are a sound generation device and an electronic apparatus. The sound generation device comprises: a support; a vibration unit; and at least two elastic member. Each of the elastic member comprises: a first elastic assembly having at least one first elastic connector connected to the support and the vibration unit; and a second elastic assembly having at least one second elastic connector connected to the support and the vibration unit. The first elastic assembly and the second elastic assembly are fixed at different positions in a height direction of a voice coil. The voice coil has a first end surface in the height direction. At least a portion of a first projection region of the first elastic assembly projected onto a plane where the first end surface is located is at outside of a second projection region of the second elastic assembly projected onto the first end surface.
Disclosed in the present disclosure are a sound production apparatus and an electronic device. The sound production apparatus comprises a holder, a vibration unit, an elastic member, and a damping member, wherein the elastic member connects the holder and the vibration unit, and the damping member is disposed on the elastic member. The technical solution of the present disclosure aims at preventing the elastic member from resonating with the vibration unit, thereby ensuring the vibration trajectory of the vibration unit, and ensuring the operation stability of the sound production apparatus.
A data acquisition method and apparatus for a head-mounted display device, a host and a head-mounted display device are provided. The method includes: acquiring user head posture information collected by a head posture sensor; determining a predicted head position at a next rendering moment based on the user head posture information and a current display scene of the head-mounted display device; and acquiring a current video rendering corresponding to the current rendering moment based on the predicted head position and video data at the current rendering moment, in order that the head-mounted display device displays a rendered video at the current rendering moment and a target time warped frame, where the current video rendering includes the rendered video and one or more time warped frames for the next rendering moment, and the target time warped frame is one of the one or more time warped frames.
A charging method and system, a charging box and Bluetooth earphones are disclosed. The charging method is applied to the charging box. The charging method comprises: when it is detected that Bluetooth earphones are placed in the charging box, acquiring current capacity information of the Bluetooth earphones; determining a number of Bluetooth earphones according to the current capacity information; if the number of Bluetooth earphones is two, calculating a capacity difference and a total charging capacity required according to a first current capacity and a second current capacity in the current capacity information; and acquiring a chargeable capacity of the charging box, comparing the chargeable capacity with the total charging capacity required and the capacity difference, and charging the Bluetooth earphones according to comparison results.
Disclosed is an application device comprising a plurality of elastic members, the elastic member comprises a first connecting portion, a second connecting portion and a deformation portion located between the first connecting portion and the second connecting portion; the first connecting portion and the second connecting portion are connected to different components in the application device respectively, and the different components are movable relative to each other, or the different components may be unmovable relative to each other; the deformation portion is formed by extending from the first end to the second end along the same direction or different directions in a straight line and/or a curved line; and each of the elastic members is integrally formed by punching a sheet-shaped structure.
A battery capacity display method and device, electronic equipment and a computer-readable storage medium are disclosed. The method comprises: judging whether a battery to be detected can be fully charged when the battery to be detected is in a constant voltage charging state (S101); if not, determining a current capacity state of the battery to be detected and monitoring a time duration of the battery to be detected under the current capacity state (S102); judging whether the time duration is greater than a corresponding preset overtime threshold (S103); and if the time duration is greater than the preset overtime threshold, displaying full capacity via a UI interface (S104).
A loudspeaker and an earphone are disclosed. The loudspeaker comprises: a housing; and a vibration system and a magnetic circuit system that are accommodated in the housing. The vibration system comprises a diaphragm, a centering support piece and a vibrating voice coil. The centering support piece comprises a mounting part correspondingly connected with the central part of the diaphragm. The magnetic circuit system comprises a magneto-conduct yoke, a central magnetic circuit part and a side magnetic circuit part, and a coupling magnetic circuit part located above the central magnetic circuit part, and a magnetic gap accommodating the vibrating voice coil is formed between the central magnetic circuit part and the side magnetic circuit part. When the coupling voice coil is energized, upward and downward forces are generated by magnetic field coupling of the coupling voice coil and the coupling magnetic circuit part. The loudspeaker has good sound effect.
A step counting judgment method and device and a computer-readable storage medium are disclosed. The step counting judgment method comprises: acquiring an acceleration dataset corresponding to each axis of an acceleration sensor in a current step counting cycle; determining a characteristic value corresponding to each axis according to the acceleration dataset corresponding to each axis; comparing characteristic values of different axes, and determining that an axis corresponding to a maximum value in the characteristic values is a characteristic axis; judging validity of step counting data according to the characteristic axis and a reference axis; and performing a step counting operation when the step counting data is valid data. Aims to solve the problem of low step counting accuracy of step counting judgment devices, the present disclosure provides the step counting judgment method and device and the computer-readable storage medium.
A head mounted display device and a head mounted display assembly are disclosed in some embodiments of the present disclosure. The head mounted display device comprises a display body and a sound transmission member. The display body is configured to display an image. The sound transmission member is connected to the display body, and is provided with a sound amplification cavity, a mounting groove communicated with the sound amplification cavity and a sound outlet hole. The mounting groove is configured to accommodate an earphone. The technical solution of the present disclosure can further reduce sound leakage and reduce noise interference to the surrounding environment.
Embodiments of the present disclosure provide an earphone debugging method and device, and a storage medium. The earphone debugging method comprises the following steps: obtaining configuration parameters to be updated of a slave earphone and configuration parameters to be updated of a master earphone by the master earphone; sending, by the master earphone, the configuration parameters to be updated of the slave earphone to the slave earphone, which allows the slave earphone to be operated according to the configuration parameters to be updated of the slave earphone; and the master earphone being operated according to the configuration parameters to be updated of the master earphone. According to the embodiments of the present disclosure, the earphone debugging efficiency is improved.
A cross-platform interaction method of VR and AR, AR device, AR server, VR device and VR server are disclosed. The method is applied to the AR server and comprises: acquiring first cross-platform interaction data corresponding to an AR client (S101); generating a first XML data interaction file corresponding to the first cross-platform interaction data (S102); and sending the first XML data interaction file to the VR server corresponding to a target VR client to enable the target VR client to perform a corresponding cooperative operation according to the first cross-platform interaction data (S103). The present disclosure uses the cross-platform characteristics of XML can realize the data interconnection between two platforms in the form of a lightweight database, improve the synchronization efficiency of cross-platform interaction data, realize standardized management of data from different platforms, and reduce resources used in the collaborative integration development of different VR and AR programs.
A charging method and system, a charging box and Bluetooth earphones are disclosed. The charging method is applied to the charging box, and comprises: acquiring a communication data packet of Bluetooth earphones according to a preset communication frequency when the charging box is charging the Bluetooth earphones, wherein the communication data packet includes a current battery voltage of the Bluetooth earphones (S10); determining a target charging voltage according to the current battery voltage (S20); and charging the Bluetooth earphones based on the target charging voltage (S30). The charging method can realize the dynamic adjustment of the charging voltage, reduce the energy loss of the charging box during the charging process, thereby increasing the number of times that the charging box can charge the Bluetooth earphones and improving the battery life of the Bluetooth earphones.
An image display method applied to AR glasses is disclosed. An inner frame of the AR glasses is provided with a first camera, and an outer frame of the AR glasses is provided with a second camera. The image display method comprises: detecting eye rotation information of a glasses wearer by using the first camera (S101); adjusting a shooting angle of the second camera according to the eye rotation information, and acquiring a target image collected by the second camera after adjusting the shooting angle (S102); judging whether there is a target object in the target image (S103); and if yes, displaying an image including position information of the target object via a lens of the AR glasses (S104). The object recognition accuracy of the AR glasses is improved.
A joystick drift processing method, comprising: acquiring a command output state of a joystick (S101); not responding to a movement command generated by the joystick when the command output state is a drift output state (S102); and responding to a movement command generated by the joystick to adjust a state of a target object when the command output state is a normal output state (S103). It can distinguish whether the movement command generated by the joystick is based on user’s operation or based on joystick drift. When the joystick is in the drift output state, the processor does not respond to the movement command generated by the joystick, so as to avoid the misoperation on the target object and improve the user’s game experience.
A63F 13/24 - Constructional details thereof, e.g. game controllers with detachable joystick handles
A63F 13/218 - Input arrangements for video game devices characterised by their sensors, purposes or types using pressure sensors, e.g. generating a signal proportional to the pressure applied by the player
COMMUNICATION METHOD BETWEEN EARPHONES AND CHARGING BOX, CHARGING BOX, EARPHONES AND READABLE STORAGE MEDIUM
A communication method between earphones and a charging box is disclosed. The method comprises: acquiring a data packet to be sent from a sending queue; sending a data request message containing the data packet to be sent to the earphones; and when having received a reply message from the earphones, continuing to execute the step of acquiring a data packet to be sent from the sending queue until the sending queue is empty. In the communication method between earphones and a charging box of the present disclosure, when data is transmitted between the charging box and the earphones, the data transmission between the charging box and the earphones can be realized without switching the master-slave relationship between the charging box and the earphones, which is simple to realize and reduces the additional communication burden.
Disclosed is a diaphragm and a sound generating device. The raw material of the diaphragm comprises a liquid diene-based rubber and a vulcanizing agent, and the liquid diene-based rubber comprises a liquid butadiene-based rubber or a liquid isoprene-based rubber. The diaphragm is prepared by injecting the raw material into a diaphragm forming mold and then performing a cross-linking reaction. The diaphragm has an elongation at break of more than 200%, therefore the reliability of the diaphragm is high, the diaphragm has a damping of more than 0.07, and the has higher damping in the range of the operating temperature and frequency, therefore the loudspeaker using this diaphragm may obtain lower THD, higher listening yield, better sound quality, and swing during vibration not easily occurs, the listening stability is good, and the diaphragm can also ensure that the defects such as diaphragm folding and diaphragm damage not easily occurs after low temperature reliability.
The present invention discloses a sound generating device, which comprises a housing, and a vibration system and a magnetic circuit system which are coupled to the housing, wherein the magnetic circuit system comprises a magnetic conductive yoke, the magnetic conductive yoke comprises a magnetic conductive body and a connecting flange, the magnetic conductive body faces a diaphragm of the vibration system, the connecting flange is formed by bending the magnetic conductive body towards a side where the diaphragm is located, and the connecting flange is provided with a plurality of ventilation holes; and wherein a leakage opening is formed between the housing and the magnetic conductive body, and the connecting flange completely covers the leakage opening. The technical solutions of the present invention can reduce the defective rate of products.
The present disclosure provides a diaphragm and a sound generating device using the diaphragm. The diaphragm comprises a diaphragm body part, and a composite layer bonded to the center of the diaphragm body part. The composite layer comprises: a porous material layer; and a first metal layer and a second metal layer respectively disposed on two sides of the porous material layer. Compared with the prior art, the composite layer of the diaphragm adopts a composite structure composed of a porous material layer and metal layers, which can reduce the mass of the diaphragm and improve the modulus density ratio of the diaphragm while ensuring the rigidity of vibration. The porous structural material can increase the damping of the diaphragm, absorb the vibration energy under the specific resonant frequency, and thus effectively improve the high-frequency split vibration, reduce the distortion and improve the high pitched sound quality.
-- Some embodiments of the present application disclose a Bluetooth earphone connection switching method, apparatus and device, and a storage medium. The Bluetooth earphone connection switching method comprises the following steps: a master device establishes a communication connection with all slave devices, and establishes a Bluetooth connection with a Bluetooth earphone; upon detecting a preset event, a slave device sends an earphone connection request instruction to the master device, and converts to a master mode; upon receiving the earphone connection request instruction, the master device disconnects the Bluetooth connection with the Bluetooth earphone; and upon receiving a permission instruction fed back by the master device, the slave device which has converted to the master mode establishes a Bluetooth connection with the Bluetooth earphone according to pre-stored Bluetooth earphone pairing information, thereby completing Bluetooth earphone connection switching between the master device and the slave device.
A handle trigger control apparatus and a handle having the handle trigger control apparatus are disclosed. The handle trigger control apparatus comprises a trigger bracket, and further comprises: a trigger that is movably disposed on the trigger bracket and is provided thereon with a trigger magnet; a bracket magnet that is movable and can be fixedly provided on the trigger bracket; and a control device configured to control the bracket magnet to approach or go away from the trigger magnet to adjust an action distance between the trigger magnet and the bracket magnet.
A gamepad and a control stick feedback force device thereof are disclosed. It comprises a control stick that is configured to accept a user's operation and is rotatably installed in a casing of the gamepad. It further comprises: a front friction plate and a rear friction plate that are disposed oppositely, and a pressing device for providing a pressing force between the front friction plate and the rear friction plate, the rear friction plate is fixedly connected with a rotating shaft of the control stick, the front friction plate is connected with a torque output device for driving the front friction plate to rotate, and the front friction plate applies a torque to the rear friction plate under the pressing force of the pressing device to form a feedback force to the control stick.
A smart watch comprises a watch head and a watch strap. The watch head comprises: a first electrode for contacting skin of a watch-wearing wrist; a second electrode for contacting skin of a non-watch-wearing wrist, wherein both the first electrode and the second electrode are electrically connected with a main control unit of the smart watch, so that the main control unit calculates an electrocardiogram according to bioelectric signals detected by the first electrode and the second electrode; and an air bag for contacting the skin of the watch-wearing wrist, wherein the air bag is respectively connected with an air pump and a pressure sensor, and the pressure sensor is connected with the main control unit, so that the main control unit calculates blood pressure according to a detection signal of the pressure sensor.
A trigger driving apparatus and hand-held terminal having said apparatus are provided. Wherein the trigger driving apparatus comprises a bracket (8) and a movable trigger housing arranged on the bracket, and further comprises: a drive device, wherein a drive shaft of the drive device is connected to one end of a link rod mechanism, the other end of the link rod mechanism is connected to the trigger housing, and the drive shaft is configured to drive the trigger housing to move; a detection device is configured to detect the state of the trigger housing; a control device is configured to receive the state signal detected by the detection device, and control the output torque of the drive device according to the state signal.
The present disclosure discloses a sound generating device, which comprises: a magnetic conductive yoke; a housing extending along an edge of the magnetic conductive yoke and having an annular shape, wherein a leakage opening is formed in a gap between the housing and the magnetic conductive yoke; and a metal mesh covering the leakage opening, wherein a portion of the metal mesh corresponding to the leakage opening is provided with a plurality of air holes. The sound generating device of the present disclosure can reduce the defective rate of products.
The present disclosure provides a loudspeaker module, comprising a housing and a loudspeaker unit accommodated in a space of the housing, wherein the loudspeaker unit divides the space of the housing into a front sound cavity and a rear sound cavity, a through hole penetrating the housing is provided on the housing at a position corresponding to the front sound cavity, the loudspeaker module further comprises a cover plate covering the through hole, the cover plate comprising at least one metal foam layer and at least one metal sheet layer. Compared with the related art, the cover plate comprises the metal foam layer, so as to weaken the resonance effect of the loudspeaker module and to reduce the distortion of the loudspeaker module, thereby improving the acoustic performance of the loudspeaker module.
A trigger device and an interactive terminal having the same are disclosed. The trigger device includes, but is not limited to, a trigger bracket and a trigger movably arranged on the trigger bracket, and further includes: a trigger electromagnet, which is fixed on the trigger; a bracket electromagnet, which is fixed on the trigger bracket, and has an effect of attracting or repulsing with the trigger electromagnet in a pressed state; an electromagnetic control device, which is connected to an electromagnetic coil of the trigger electromagnet and the electromagnetic coil of the bracket electromagnet respectively, and is configured to adjust the voltage or current of the electromagnetic coil of the trigger electromagnet and the electromagnetic coil of the bracket electromagnet.
A gamepad and a joystick feedback force apparatus thereof are disclosed. The joystick feedback force apparatus comprises a joystick that is configured to accept a user's operation and is rotatably installed in a casing of the gamepad. It further comprises a torque output device and a deceleration device. An output shaft of the torque output device is connected with an input end of the deceleration device, an output end of the deceleration device is connected with a rotating shaft of the joystick to apply a torque output by the torque output device to the rotating shaft. When the user operates the joystick to rotate, a certain torque is applied to the rotating shaft after being decelerated by the deceleration device, namely, the corresponding torque is applied to the joystick to form a feedback force to the user.
A gamepad and a joystick feedback force device therefor are disclosed. The joystick feedback force device comprises a joystick that is configured to accept a user's operation and is rotatably installed in a casing of the gamepad. The joystick feedback force device further comprises a torque output device, and an output shaft of the torque output device is connected with a rotating shaft of the joystick, so that a torque is applied to the rotating shaft to form a feedback force to the joystick.
A signal processing method and device of a MEMS microphone and a MEMS microphone are disclosed. The method comprises: acquiring a first electrical signal obtained by converting a received optical signal by an optical sensor disposed near a sound hole of the MEMS microphone; acquiring a second electrical signal output by the MEMS microphone; and judging that the second electrical signal is an interference signal when within a substantially overlapping time range, the first electrical signal acquired reaches a preset first threshold value and the second electrical signal acquired meets a preset condition.
Disclosed are a voice coil for a sound producing device and a sound producing device, the sound producing device comprises a voice coil body and a reinforcing portion; the voice coil body comprises a voice coil framework and a voice coil wire; the reinforcing portion comprises a first reinforcing portion and a second reinforcing portion; the first reinforcing portion is provided on the inner side of the voice coil framework, and the second reinforcing portion is provided on the outer side of the voice coil framework; and the reinforcing portion is configured to enhance the strength of the voice coil at high frequencies. Both the inner side and the outer side of the voice coil framework are provided with the reinforcing portions, thereby preventing the voice coil framework from deforming towards the side with lower strength because the strength of one side of the voice coil framework is relatively low.
A method and device for testing product quality are disclosed. The method for testing product quality comprises: acquiring an image of a product to be tested; testing the image by using a pre-trained neural network model to obtain a testing result output by the neural network model; when the testing result indicates that the product to be tested is a defective product, performing a secondary judgment on the testing result according to position information of defective feature pixels in the image in the testing result, and determining whether the product to be tested is qualified according to a secondary judgment result. The method has high test accuracy, ensures the quality of product and facilitates reducing the labor cost of test.
G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
G06V 10/75 - Image or video pattern matching; Proximity measures in feature spaces using context analysis; Selection of dictionaries
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
A watchband assembly and a wrist-worn device having the same are provided. The watchband assembly includes a watch buckle, a watchband, a buckle tongue, and a rotating shaft for mounting the buckle tongue to the watch buckle, wherein the watch buckle includes a watch buckle upper cover and a watch buckle lower cover, the watchband and the rotating shaft are both arranged between the watch buckle upper cover and the watch buckle lower cover, and a fastener penetrates the watchband and is fixedly connected to the watch buckle to press and fix the watchband to the watch buckle. The lower surface of the watch buckle upper cover and/or the watch buckle lower cover is in contact with a human body when worn, such that the surface in contact with the human body when worn is smooth.
A manipulating device comprising: a rocker, a supporting member a magnetic assembly and a coil assembly, wherein the rocker is rotatable around the supporting member; the coil assembly is disposed opposite to the rocker, the magnetic assembly is disposed on one end of the rocker adjacent to the coil assembly; the magnetic assembly (3) comprising a central magnet (31) and at least one side magnets. By providing the magnetic assembly on the one end of the rocker adjacent to the coil assembly (4), the power for rotating the rocker is adjusted by interaction force between the magnetic assembly and the coil assembly, and the interaction force between the magnetic assembly and the coil assembly can be further adjusted by adjusting the magnitude of the current of the coil assembly.
The present disclosure provides an exciter and an electronic product. The exciter comprises: a magnetic circuit assembly comprising a first housing and a magnet, and the magnet is connected to the first housing; a coil assembly comprising a second housing and a coil, and the coil is disposed in a magnetic field formed by the magnet, wherein the coil assembly is configured to be capable of generating a vibration relative to the magnetic circuit assembly, the coil is formed by winding a wire having a polygonal cross section. According to the present disclosure, the coil wire has a polygonal cross section, so that an interval between the wires can be reduced in the wound coil, the number of turns of the coil is increased in the same space, the effective length of the coil is increased, and the driving force generated from the coil is increased.
A manipulating device comprising: a rocker, a supporting member a magnetic assembly and a coil assembly, wherein the rocker is rotatable around the supporting member; the coil assembly is formed to have an arc shape, an inner surface of the arc shape faces the rocker, the magnetic assembly is disposed on one end of the rocker adjacent to the coil assembly. According to the technical solution, by providing the magnetic assembly on the one end of the rocker adjacent to the coil assembly, the power for rotating the rocker is adjusted by interaction force between the magnetic assembly and the arc-shaped coil assembly, and the interaction force between the magnetic assembly and the coil assembly can be further adjusted by adjusting the magnitude of the current of the coil assembly.
Provided in the present disclosure is a diaphragm, comprising a diaphragm body, wherein the diaphragm body comprises a fixing portion at an outer side, a bendable ring portion provided protruding from an inner ring side of the fixing portion and elastically bendable, and an inner side portion at an inner ring side of the bendable ring portion, the diaphragm body is made of a waterproof and breathable material having waterproof and breathable micropores. According to the present disclosure, the diaphragm body is made of waterproof and breathable material having waterproof and breathable micropores so that the diaphragm body has micropores, and the sizes of the micropores are between the size of water molecules and the size of air molecules, such that air molecules can smoothly pass through the diaphragm, while the water molecules can be effectively prevented from passing therethrough.
A wearable device includes a device body and a strap body connected to the device body. The device body includes an upper housing and a lower housing fixedly connected. A circuit board is provided in an inner cavity formed by the upper housing and the lower housing. The upper housing includes an insulating portion and a meal portion fixedly connected to at least one end of the insulating portion. The metal portion is electrically connected to the circuit board and used as an upper electrode for monitoring biological information. The lower housing includes a lower body portion matching the insulating portion, and a lower connecting portion located on at least one end of the lower body portion. The upper electrode matches the lower connecting portion and is fixedly connected to the strap body.
A method and a device for switching a master earphone with a slave earphone of TWS earphones in a call scenario, and a medium are provided. In the method for switching a master earphone with a slave earphone of TWS earphones in a call scenario according to the present disclosure, a signal indicating a position change of the master earphone being worn relative to a wearing part of the master earphone and a signal indicating a position change of the slave earphone being worn relative to a wearing part of the slave earphone are obtained; it is determined whether the signals meet a master-slave earphone switching condition; and in a case that the signals meet the master-slave earphone switching condition, the master earphone is controlled to operate in a slave earphone mode and the slave earphone is controlled to operate in a master earphone mode.
Disclosed are a vibration sound device for an electronic product and the electronic product. The vibration sound device comprises a first housing, a magnetic assembly, a coil assembly and a second housing. The first housing includes a cavity and is opened at one side thereof. An interaction force is generated between the magnetic assembly in the first housing and the coil assembly on the second housing to drive the vibration sound device to vibrate so as to generate a sound. According to the present disclosure, the magnetic assembly and the coil assembly are configured in a sandwiched structure, so that the overall height of the vibration sound device is reduced, and thus space utilization of the electronic device is improved.
Provided are a sound absorbing material encapsulation structure for a sound production device, and a sound production device. The sound absorbing material encapsulation structure comprises: a rigid cavity wall enclosed to form a cavity of the sound absorbing material encapsulation structure, the cavity is configured to accommodate a sound absorbing material, the rigid cavity wall is provided with air permeability holes arranged in an array, the air permeability holes are configured to form a channel for air to flow in and out of the sound absorbing material encapsulation structure, diameters of air permeability holes are smaller than a diameter of sound absorbing material; a bottom plate sealed and connected to one end surface of rigid cavity wall, the bottom plate is configured to support the sound absorbing material; a covering plate provided to cover another end surface of rigid cavity wall and sealed and connected to the rigid cavity wall.
A vibration apparatus comprising: a vibration assembly comprising a counterweight block, a first magnet group and an elastic member, the first magnet group is fixed on the counterweight block, the vibration assembly is suspended in the vibration apparatus through the elastic member; a stator assembly comprising a coil and a second magnet group, the second magnet group is installed in a winding hole of the coil; the first magnet group comprises at least two side magnets, magnetization directions of the two side magnets are perpendicular to a plane on which the coil is located, the side magnets are magnetized in opposite directions, a magnetization direction of the second magnet group is parallel to the plane, two poles of second magnet group are respectively attracted to poles of side magnets adjacent to the coil, the vibration assembly is configured to produce vibration relative to the stator assembly.
Disclosed is wristband and wrist wearable device, including: a wristband body portion, one end is connected to one end of a device body of a wrist wearable device, and the other end is a free end; and a memory metal portion, which is arranged on the wristband body portion and has an arc-shaped memory state in a natural state, so that the wristband body portion is naturally maintained in an arc shape. The memory metal portion comprises a strip-shaped memory metal piece including a first metal segment, a second metal segment, and a third metal segment that are sequentially connected, the first metal segment and the third metal segment extend along a length direction of the wristband body portion in parallel, the second metal segment is arranged at the free end of the wristband body portion and is provided with at least one bent portion.
Disclosed are an active noise reduction acoustic unit and a sound-producing unit, the active noise reduction acoustic unit includes a casing; a baseplate which is arranged in the casing and separates the casing into a first accommodating cavity and a second accommodating cavity; the first accommodating cavity and the second accommodating cavity are in communication with each other, the second accommodating cavity being provided therein with a feedback microphone, and the feedback microphone being configured to pick up noise signals; and the first accommodating cavity is provided therein with a moving iron speaker which can vibrate and produce sound according to the noise signals.
Disclosed are a vibration sound device for an electronic product and the electronic product. The vibration sound device comprises a first housing, a magnetic assembly, a coil assembly and a second housing. The first housing includes a cavity and is opened at one side thereof. An interaction force is generated between the magnetic assembly in the first housing and the coil assembly on the second housing to drive the vibration sound device to vibrate and sound. According to the present disclosure, the magnetic assembly and the coil assembly are configured into a nested form, so that the overall height of the vibration sound device is reduced, the space utilization rate and the assembly precision are improved, and enough utilization space is provided for an electronic device.
Provided is a voice coil wire for a sound generating device, comprising a wire body and a cavity provided in the wire body, the wire body is configured to be applied with a current signal, wherein the cavity is in a vacuum state or is filled with an insulating gas. Also provided is a voice coil, the voice coil is provided with the voice coil wire. Also provided is a sound generating device. By filling the cavity of the voice coil wire with the insulating gas or configuring the cavity to be in the vacuum state, the weight of the voice coil wire can be reduced, so the influence of skin effect on the voice coil wire is reduced, and the utilization rate of the voice coil wire is improved.
A vibration exciter for an electronic product comprises a first vibration assembly comprising a first casing (101) and a magnetic circuit assembly below thereof; a second vibration assembly comprising a second casing (105) and at least two groups of coils (102) above thereof and on two sides of the magnetic circuit assembly; the magnetic circuit assembly comprises a central magnet (103b) and at least two side magnets (103a, 103b) in a vibration direction, the magnetizing directions of the two side magnets are parallel to an axial direction of the coils, directions of magnetic poles are opposite; the central magnet comprises at least two groups of magnets (103b, 1032b) in a direction perpendicular to the vibration direction, the magnetizing directions of the at least two groups of magnets are parallel to the vibration direction the directions of the magnetic poles are opposite. The electronic product is also disclosed.
A loudspeaker module and an electronic apparatus are disclosed, the loudspeaker module comprises a housing, a loudspeaker unit and a barrier rib body; the loudspeaker unit is provided in an inner cavity of the housing and divides the inner cavity of the housing into a front acoustic cavity and a rear acoustic cavity, the rear acoustic cavity is filled with sound-absorbing particles, and a cavity wall of the rear acoustic cavity is provided with a leakage hole. The barrier rib body is provided in the rear acoustic cavity, at least a part of the barrier rib body faces the leakage hole, and the distance between the leakage hole and the part of the barrier rib body facing the leakage hole is less than the size of the sound-absorbing particles. The technical solution of thc prcscnt disclosure can reduce the occurrence of the situation where the sound-absorbing particles block the leakage hole.
A sound-producing device is provided with at least two groups of dampers on the voice coil which are respectively arranged at a first position close to and a second position away from the vibrating diaphragm; the at least two groups of the dampers include at least a first damper and a second damper; the first damper has a first connecting part connected to the voice coil and a second connecting part fixed on the sound-producing device; a planar elastic member is provided between the first and the second connecting parts, which is bent and extends from the first to the second connecting part, and is coplanar with the first connecting part; the second damper has a first fixing part connected to the voice coil and a second fixing part fixed on the sound-producing device; there is provided a corrugated connecting arm between the first and the second fixing parts.
The present disclosure provides a loudspeaker module and an electronic device. The loudspeaker module comprises a module housing and a loudspeaker unit, wherein the module housing has a cavity and the loudspeaker unit is accommodated in the cavity, the loudspeaker unit divides the cavity into a front acoustic cavity and a rear acoustic cavity; wherein a sound outlet hole is provided on the module housing, the front acoustic cavity is communicated with the sound outlet hole by a sound outlet channel; wherein a concave-convex structure is provided separately in a region of the module housing corresponding to the sound outlet channel. According to the present disclosure, resonance of the module housing can be effectively suppressed, to achieve the effects of increasing high-frequency sensitivity of the loudspeaker module and reducing distortion.
Disclosed is an intelligent head-mounted apparatus, comprising: a lens; a leg coupled to the lens and provided with a cavity therein; a sound generation device provided in the cavity and dividing the cavity into front and rear sound cavities; a sound outlet hole provided on the leg and in communication with the front sound cavity; main and auxiliary sound leakage holes provided on the leg and in communication with the rear sound cavity, positions of the sound outlet hole, the main sound leakage hole and the auxiliary sound leakage hole are configured such that the sound outlet hole and the auxiliary sound leakage hole are located at a front side of an auricle of a wearer, the main sound leakage hole is located at a rear side of the auricle of the wearer when the wearer wears the intelligent head-mounted apparatus.
Disclosed is an intelligent head-mounted apparatus, comprising: a lens; a leg coupled to the lens and provided with a cavity therein; a sound generation device provided in the cavity and dividing the cavity into a front sound cavity and a rear sound cavity; a sound outlet hole provided on the leg and in communication with the front sound cavity; and a main sound leakage hole provided on the leg and in communication with the rear sound cavity, wherein positions of the sound outlet hole and the main sound leakage hole are configured such that the sound outlet hole is located at a front side of an auricle of a wearer, and the main sound leakage hole is located at a rear side of the auricle of the wearer when the wearer wears the intelligent head-mounted apparatus.
Disclosed are a sound-producing device and an electronic terminal. The sound-producing device comprises: a voice coil, the voice coil including a bobbin and a voice coil body wound outside the bobbin; the voice coil body is configured to be able to be input an electrical signal; a conductive member, the conductive member including a first connecting part connected with the voice coil, a second connecting part fixed to the sound-producing device, and an elastic part connected between the first connecting part and the second connecting part; the elastic part is in a planar structure, and is at least located in the same plane as the first connecting part; the conductive member is configured to input an electrical signal to the voice coil.
An example speaker module includes a speaker housing including a conduit extending to an internal space; a speaker component positioned in a first area of the internal space adjacent to the conduit; a vent hole spaced apart from the speaker component and passing through at least part of the speaker housing; a sound absorbing material disposed in a second area of the internal space to be positioned adjacent to the speaker component to absorb a sound generated from the speaker component; and a guide structure disposed to surround the vent hole and including at least one protrusion protruding towards the internal space.
The present disclosure provides a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a fluorosilicone rubber film layer, and the fluorosilicone rubber includes a linear polymer composed of a silica main chain and a side chain radical; a molecular structure of the polymer
including a unit with the side chain radical with vinyl is a methyl vinyl siloxane unit, and a unit with the side chain radical with R1 is a fluorine-containing siloxane unit; and wherein n and m are natural numbers, and R1 comprises at least one of fluoroalkyl and fluoroaryl.
Here disclose a monitor pad and a body status monitoring system. The monitor pad includes: a pad cover, a padding, a microphone and a transmission circuit, wherein, the microphone is placed in the padding and is used to detect body information of a person adjacent to the monitor pad, and the transmission circuit transmits the body information to an external processing device.
The present disclosure discloses a conductive film for a sound generation device and the sound generation device, the conductive film comprises a conductive layer and base material layers provided at two sides thereof, conductive layer comprises a first conductive layer on an inner side portion, a second conductive layer on a deformation portion and a third conductive layer on an outer side portion, two ends of the second conductive layer are respectively electrically connected to the first and third conductive layers, the first, second and third conductive layers are connected to form at least one conductive path, each of the first and third conductive layers is made of a metal sheet, Young's modulus of the second conductive layer is smaller than the metal sheet. The conductive film has conductivity, it can be used as a sound generation diaphragm and a supporting diaphragm.
Disclosed is a sound-producing device, including: a voice coil configured to be able to be input an electrical signal; and a damper including a first connecting part, a planar elastic part and a second connecting part. The first connecting part is configured to be connected to the voice coil; the second connecting part is configured to be fixed to the sound-producing device; the planar elastic part is formed by the first connecting part being bent and extending toward the second connecting part; the damper has a mechanical stiffness Kms of 0.2 N/mm to 2 N/mm; the sound-producing device has a resonance frequency F0 of 50 Hz to 300 Hz; the sound-producing device has a total harmonic distortion THD of less than 10% in a frequency range of 100 Hz to 300 Hz.
Disclosed are a voice coil assembly and a loudspeaker, comprising a main voice coil and a connecting coil connected to the main voice coil, the main voice coil is connected to an external circuit, and comprises a first voice coil and a second voice coil, the first voice coil is formed by winding a conductive first wire with self-bonding coating, the second voice coil is formed by winding a second wire with self-bonding coating, the first voice coil and the second voice coil are positioned close to each other and bonded together, the first voice coil and the second voice coil are connected in series or in parallel, the connecting coil is formed by winding a third wire, and the density of the third wire is less than or equal to that of the first wire and the second wire.
Disclosed are a damper and a sound-producing device. The damper includes a first connecting part, a planar elastic part and a second connecting part. One side of the first connecting part is cooperatively connected to a voice coil; an end of the first connecting part is bent and extends toward the other side of the first connecting part to form the planar elastic part, the planar elastic part and the first connecting part being in the same plane; the second connecting part is connected to one end of the planar elastic part away from the first connecting part and is configured to be fixedly connected; the damper is of a line-like shape formed by winding of a metal wire, a Young's modulus of a wire rod of the metal wire is 0.7e11 pa to 3e11 pa, a mechanical stiffness Kms of a wire rod of the metal wire is 0.2 N/mm to 2 N/mm.
Disclosed is a sound-producing device, comprising: a housing having an accommodating room where a magnetic circuit system is installed; a voice coil including a bobbin and a voice coil body; a conductive member having a first connecting part fixed to the voice coil, a second connecting part fixed to the housing, and an elastic part located between the two connecting parts; the conductive member is combined on the voice coil body, the magnetic circuit system is provided with an avoidance part corresponding to the conductive member; the voice coil is provided with an inner conduction structure, the housing is provided with an outer conduction structure that is in electrical conduction with an external circuit; and upon being electrically connected with the inner conduction structure, the first connecting part passes through the avoidance part and extends to the housing, and is electrically connected with the outer conduction structure.
Disclosed is a sound-producing device including a voice coil, comprising a bobbin and a voice coil body wound outside the bobbin; and a damper having a first connecting part and a second connecting part; wherein the first connecting part is fixedly connected to the voice coil, and the second connecting part is fixed on the sound-producing device; there is provided a planar elastic member between the first connecting part and the second connecting part, the planar elastic member is bent and extends from the first connecting part to the second connecting part; the damper is made of conductive material, and is configured to establish electrical communication with the voice coil; the sound-producing device has a height in a vibration direction thereof ranging from 5 mm to 200 mm.
Disclosed are a diaphragm for a sound generating device and a sound generating device. The vibration diaphragm comprises at least one elastomer layer, wherein the elastomer layer is made of a hydrogenated nitrile butadiene rubber polymer; and the hydrogenated nitrile butadiene rubber polymer comprises acrylonitrile blocks, content of the acrylonitrile blocks in the hydrogenated nitrile butadiene rubber polymer ranging from 10 wt % to 70 wt %, a vulcanizing agent is added into the hydrogenated nitrile butadiene rubber polymer, and content of the vulcanizing agent is 1% to 15% of total content of the hydrogenated nitrile butadiene rubber polymer. The diaphragm of the present disclosure has excellent resilience, maintains high elasticity in a low-temperature environment and is capable of long-time working in a high-temperature environment, therefore enabling the sound generating device to be applied in an extremely severe environment while keeping its acoustic performance in an excellent state.
An acoustic device comprises a shell and a sound producing assembly, the shell being provided with an installation hole and a sound outlet, and the sound producing assembly being fixed inside the shell. The sound producing assembly has a diaphragm separating a cavity of the acoustic device into a front cavity and a back cavity, a first part of the shell corresponding to the front cavity and/or a second part of the shell corresponding to the back cavity is provided with sapphire glass covering the installation hole, and the front cavity is in communication with the outside of the acoustic device through the sound outlet.
A neckband earphone is provided, and a method, a system and a device for switching functions of the neckband earphone are provided. A key is provided on each of a left portion and a right portion of a neckband of the neckband earphone. The neckband is provided with a detector and a processor connected with the detector. The detector is configured to detect and determine a wearing orientation of the neckband earphone. The processor is configured to determine a function of the key on the left portion and a function of the key on the right portion based on the wearing orientation, to control key functions on a left side and a right side of a human body wearing the neckband earphone to remain unchanged for different wearing orientations.
Disclosed are a diaphragm for a sound generating device and a sound generating device. The diaphragm comprising at least one elastomer layer, wherein the elastomer layer is made of an ethylene propylene diene monomer; and the ethylene propylene diene monomer is formed by polymerizing three monomers, the three monomers being an ethylene monomer, a propylene monomer and a non-conjugated diene monomer respectively, a mass ratio of the ethylene monomer to the propylene monomer ranging from 0.25 to 4, and content of the non-conjugated diene monomer being 1%-15% of total content of the ethylene monomer and the propylene monomer. The ethylene propylene diene monomer has excellent high-temperature resistance and thermo-oxidative aging resistance; and after the rubber is made into the diaphragm, the diaphragm is capable of working in a high-temperature environment for a long time, maintaining not only excellent elasticity but also excellent anti-fatigue characteristic, thereby possessing excellent reliability.
Disclosed are a TWS earphone, a method and apparatus for reducing earphone energy consumption, and a computer-readable storage medium. The method for reducing earphone energy consumption comprises: determining whether a target earphone is in an off-ear state and is not placed in a charging case; if so, acquiring a timekeeping duration since the target earphone is taken off of an ear; determining whether the timekeeping duration exceeds a first preset threshold value; and if the timekeeping duration exceeds the first preset threshold value, performing energy consumption reduction processing on the earphone. According to the present application, the duration since an earphone is taken off of an ear is evaluated for the earphone that is taken off of the ear and is not placed in a charging case, so as to perform energy consumption reduction processing on the earphone that has been taken off of the ear for a relatively long duration, such that unnecessary power consumption of the earphone when same is in a not-in-use state can be effectively reduced, and the effective service time of the earphone after charging is prolonged.
Disclosed is a charging case, comprising a control module, a charging case battery and a voltage conversion module; the charging case battery is connected with the voltage conversion module; the voltage conversion module is configured for converting a direct current output by the charging case battery into a charging voltage and outputting the charging voltage to a charging management chip of a to-be-charged device so as to charge a battery of the to-be-charged device through the charging management chip; the control module is configured to regulate the charging voltage output by the voltage conversion module according to a voltage of the battery of the to-be-charged device during charging of the battery of the to-be-charged device.
A neckband headphone, a method, a system and a device for starting up a neckband headphone, as well as a computer readable storage medium are provided. The neckband headphone according to the present disclosure includes a neckband, a first earbud connected to an end of the neckband, a second earbud connected to another end of the neckband, a detector, and a processor connected to the detector. The detector is configured to acquire state information of the neckband headphone. The processor is configured to: determine whether the neckband headphone is worn based on the state information; control the neckband headphone to wake up when determining that the neckband headphone is worn, and control the neckband headphone to be in a low-power mode when determining that the neckband headphone is not worn.
A method and a device for performing synchronization detection on wireless earphones, wireless earphones and a computer readable storage medium are provided. In the method, a synchronization state between a left earphone and a right earphone of the wireless earphones is acquired when the wireless earphones trigger a target action, where the target action includes any one of: entering a box, leaving a box, entering an ear, leaving an ear and connecting to a terminal; a countdown with a predetermined time duration is started in a case that the synchronization state is a non-synchronous state; and the synchronization state between the left earphone and the right earphone of the wireless earphones is acquired when the countdown ends.
A head-mounted device, a wearing detection method, a wearing detection apparatus, and a medium are provided. The head-mounted device includes a GMR magnetic sensor and an IR sensor. The GMR magnetic sensor outputs a collected signal so that the MCU calculates a reference parameter indicating a position of the head-mounted device. The IR sensor outputs a collected signal so that the MCU makes determination based on the output signal. Only in a case that the reference parameter and the output signal meet the predetermined condition, it is determined that the head-mounted device is worn.
H04R 5/033 - Headphones for stereophonic communication
G01D 5/16 - 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 by varying resistance
G01S 17/04 - Systems determining the presence of a target
G01P 15/18 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
SOUND-PRODUCING APPARATUS, ACOUSTIC MODULE PROVIDED WITH SOUND-PRODUCING APPARATUS, AND ELECTRONIC DEVICE
Disclosed is a sound-producing apparatus, including a vibration assembly and a magnetic circuit assembly, the vibration assembly includes a diaphragm which vibrates to generate sound waves, wherein, a middle region of the magnetic circuit assembly is hollowed out to form a volume expansion cavity penetrating through the magnetic circuit assembly, with a flexible deformation portion being provided in a region of the magnetic circuit assembly located in the volume expansion cavity; the flexible deformation portion covers a port of the volume expansion cavity or separates the volume expansion cavity into two regions that are isolated from each other; the flexible deformation portion is disposed facing the diaphragm, and can vibrate as a function of air pressure.
The present disclosure discloses a conductive film for a sound generation device and the sound generation device, the conductive film comprises a conductive layer and base material layers on two sides thereof the conductive layer comprises a first conductive layer on an inner side portion, a second conductive layer on an deformation portion and a third conductive layer on an outer side portion, two ends of the second conductive layer are respectively electrically connected to the first and third conductive layers, the first and third conductive layers are metal sheets, the second conductive layer is a conductive adhesive layer formed by coating or printing, a thickness of the conductive adhesive layer is 6 μm to 15 μm, a sheet resistance of the conductive adhesive layer is 10 to 30 mΩ/mm2/mil. The conductive film has conductivity, it can be used as a sound generation diaphragm and a supporting diaphragm.
An acoustic device comprises a sound generating unit comprising a diaphragm. An acoustic wave at a front side radiates outwards through a sound outlet. A closed cavity is formed at a rear side of the vibrating diaphragm. Volume adjustment regions are provided in the closed cavity, the volume adjustment regions are a sound absorption portion, a porous sound absorbing material is provided on the sound absorption portion, and the volume adjustment regions are a flexibly deformable portion. The closed cavity is divided into first and second closed cavities by a partition. The first closed cavity is adjacent to the diaphragm, the second closed cavity is far away from the vibrating diaphragm. The flexibly deformable portion is at least part of the partition, and deforms flexibly. The sound absorbing material is provided in the first and/or the second closed cavity, and effectively increase the equivalent volume of the closed cavity.
Disclosed are a communication control method, apparatus and system, and a charging case and a wireless earphone. The method includes: acquiring, when a charging case is connected with a first wireless earphone though a first power supply pin and a second power supply pin, first to-be-transmitted data if the charging case is to communicate with the first wireless earphone; and controlling a first single-pole double-throw switch to connect the first power supply pin with a first TxRx and level conversion circuit, sequentially transmitting a predetermined start code and the first to-be-transmitted data to the first wireless earphone through the first power supply pin, where the first wireless earphone controls a first predetermined charging pin to be connected with a second TxRx and level conversion circuit based on the predetermined start code, and receives the first to-be-transmitted data.
Disclosed is a sound production device including a housing and a vibration assembly, the vibration assembly including a voice coil being of a hollow columnar structure and a vibration diaphragm bonded to an end face of the voice coil; where the sound production device further includes a system stabilization component bonded to an end face of the voice coil or to a side wall of the voice coil; the system stabilization component is of a line-like structure formed by winding a metal wire, and includes a first connection part connected to the voice coil, a deformation part, and a second connection part connected to the housing.
An earphone control method is applied to an earphone box provided with a first electrical contact, when the first electrical contact is in a charging state, the first electrical contact is configured for charging the earphone, and when the first electrical contact is a communication state, the first electrical contact is configured for establishing communication between the earphone box and the earphone, the method includes: in responding to that the first electrical contact is in the charging state, and the earphone box detects that a communication requirement exists between the earphone box and the earphone, adjusting a voltage level of the first electrical contact to send preset signals to the earphone; and upon receiving a response signal fed back by the earphone based on the preset signals, switching the first electrical contact to the communication state. An earphone box, an earphone and a computer-readable storage medium are also disclosed.
Disclosed is a smart head-mounted device, and the smart head-mounted device comprises at least one lens and at least one arm, the arm is connected to the lens and has a cavity therein; further comprises a sound production apparatus provided inside the cavity and dividing the cavity into a front acoustic cavity and a back acoustic cavity; a sound outlet and a main sound leakage hole provided on the arm, the sound outlet is in communication with the front acoustic cavity, and the main sound leakage hole is in communication with the back acoustic cavity.
A multi-AGV motion planning method, device and system are disclosed. The method of the present disclosure comprises: establishing an object model through reinforcement learning; building a neural network model based on the object model, performing environment settings including AGV group deployment, and using the object model of the AGV in a set environment to train the neural network model until a stable neural network model is obtained; setting an action constraint rule; and after the motion planning is started, inputting the state of current AGV, states of other AGVs and permitted actions in a current environment into the neural network model after trained, obtaining the evaluation indexes of a motion planning result output by the neural network model, obtaining an action to be executed of the current AGV according to the evaluation indexes, and performing validity judgment on the action to be executed using the action constraint rule.
Disclosed are a management method and device of Bluetooth® earphone charging paths, and a non-transitory readable storage medium, which detects that an external power supply is connected, acquires an electric power level of the charging box, judges whether the electric power level of the charging box is lower than a minimum working power threshold, closes a charging function of earphones and charges the charging box through the external power supply in responding to that the electric power level of the charging box is lower than the minimum working power threshold.
Disclosed is a step counting method of an earphone, an earphone and a storage medium. The method acquires vibration pulse signals through the feedback microphone of the earphone, determines valid pulse signals according to the vibration pulse signals, and counts steps according to the number of valid pulse signals. By utilizing the feedback microphone of the earphone, the earphone has an audio playing function and a step counting function, so that when the user exercises in the state of wearing the earphone, the user does not need to wear another step counting equipment for step counting, thereby the problem that in the related art, the user needs to wear multiple electronic equipment when doing exercise is solved. Further, the feedback microphone of the earphone is used for step counting, and the user does not need to purchase another pedometer equipment, thus the cost for counting steps can be reduced.
A method and device for small sample defect classification and a computing equipment are disclosed. The method comprises: separating a target to be tested into parts, and segmenting an original image of the target to be tested into at least two sub-images containing different parts according to the separated parts; establishing small sample classification models with respect to each sub-image and the original image respectively, and obtaining a classification result of each sub-image and a classification result of the original image by using corresponding classification models, wherein the classification result includes a defect category and a corresponding category probability; and determining and outputting a defect category of the target to be tested according to classification results of all the sub-images and the original image.
A computer vision-based anomaly detection method and device and an electronic apparatus are disclosed. The method comprises: dividing a target picture into at least two feature regions according to different region features of the target picture, and forming training sets respectively using the feature regions corresponding to each target picture; selecting generative adversarial networks GAN as network models to be used, and training GAN network models with the training sets of different feature regions to obtain GAN network models corresponding to different feature regions; and when performing anomaly detection, performing same feature region division on a target picture to be detected, inputting different feature regions of the target picture to be detected into corresponding GAN network models to obtain a generated picture, and performing pixel value-based difference detection on the generated picture and the target picture to be detected.
The present disclosure discloses a method and device for optimizing an object-class model based on a neural network. The method includes: establishing the object-class model based on the neural network, training the object-class model, and realizing classification of target images by using the object-class model that has been trained; and when a new target image is generated, and the new target image is an image corresponding to a new condition of a target and is capable of still being classified into an original classification system, judging a result of identification of the object-class model to the new target image, and if the object-class model is not capable of correctly classifying the new target image, according to the new target image, selecting some of parameters, adjusting the some of parameters, and training to obtain an object-class model that is capable of correctly classifying the new target image.