Abstract: The present disclosure provides a virtual reality device with iris acquisition function, including a housing having an accommodating space, an observing lens embedded in the housing, a display screen accommodated in the housing and arranged opposite to the observing lens, and at least one iris camera accommodated in the housing. The virtual reality device further includes at least one infrared source accommodated in the housing, the infrared source is arranged on a focal plane of the observing lens and light emitted from the infrared source passes through the observing lens to an iris of a human eye. The iris camera is configured to acquire an iris image of a human eye through the observing lens and the iris camera is arranged at a position which will not interfere a line of sight of the human eye on the infrared source and the display screen.

Abstract: A miniature speaker includes a frame having a base plate, a cover plate covering the frame and forming an accommodating space; a vibrating system fixed on the frame; and a magnetic circuit system for driving the vibrating system to vibrate. The magnetic circuit system includes a main magnet, a first pole plate attached to the main magnet, and two first side magnet components. Each of the first side magnet components includes a first side magnet, a second pole plate and a second side magnet stacked sequentially from the base plate along a direction toward the cover plate. A magnetizing direction of the first side magnet is opposite to that of the main magnet, and a magnetizing direction of the second side magnet is opposite to that of the first side magnet.

Abstract: A linear motor is disclosed. A linear motor includes a housing having a bottom wall, a cover plate opposite to the bottom wall, and a side wall connecting the bottom wall with the cover plate for forming an accommodation space. The linear motor further includes a stator, and a vibrator accommodated in the accommodating space. One of the bottom wall and the cover plate is connected with the stator, and the other supports the vibrator. Further, the side wall comprises a first connecting part connecting with the bottom wall, a second connecting part connecting with the cover plate, and an elastic arm connecting the first connecting part with the second connecting part.

Abstract: A vibration conformance compensation device includes a linear motor including a vibrator and a coil, a signal generator connecting with the linear motor electrically and outputting a drive signal for driving the linear motor to vibrate, a working parameter feedback module, a processing module connecting having a target vibration state value which is set in the linear motor in advance for comparing the real-time vibration state parameters of the linear motor with the target vibration state value to obtain the comparison result, and a signal conditioning module connecting with the processing module and the signal generator electrically and adjusting the drive signal in accordance with the comparison result to make the vibration state of the linear motor consistent with the target vibration state.

Abstract: The invention discloses a real-time vibration state monitoring system. The system includes a linear motor, a signal generating module for driving the linear motor to vibrate, a working parameters feedback module, a calculating module, an initial position recording module, and a signal control module. The system can control the amplitude of the vibrator by monitoring the vibration state of the vibrator in the linear motor and adjusting the drive signal; therefore, the effect to normal working or reliability of the linear motor due to oversized amplitude can be avoided. A monitoring method is also provided.

Abstract: A speaker includes a frame having an accommodation space; a magnetic circuit system accommodated in the accommodation space; and a vibration system accommodated in the accommodation space for generating sound. The vibration system includes a diaphragm and a voice coil. The diaphragm includes a first part fixed with the frame and a second part arranged between the first part and the frame. One end of the second part is connected with the first part. The accommodation space is divided by the second part into a first accommodation space for accommodating the magnetic circuit system and a second accommodation space for accommodating the voice coil.

Abstract: A vibration speaker includes a screen; a frame for supporting the screen; a support attached to the frame, including a first supporting part and a second supporting part; and a piezoelectric vibrator fixed on the support for actuating the screen to vibrate. The piezoelectric vibrator is respectively connected to the first supporting part and the second supporting part.

Abstract: An electronic device with sound generator is disclosed. The electronic device includes: a display screen; a middle frame assembled with the display screen; a supporting arm opposed to the middle frame; a piezoelectric actuator fixed on the supporting arm; and a bulge disposed between the middle frame and the supporting arm. The bulge is fixed to the middle frame, and connected to one end of the supporting arm.

Abstract: A linear vibration motor is disclosed. The linear vibration motor includes a housing; a vibrating unit in the housing, the vibrating unit including a magnet; a plurality of elastic members suspending the vibrating unit elastically in the housing; a drive coil positioned opposed to the magnet for driving the vibrating unit to vibrate along a first direction; a Hall sensor fixed on the housing and facing the magnet for detecting displacement of the vibrating unit along a direction vertical to the first direction; and a braking coil arranged on the housing and surrounding the Hall sensor for reacting upon the vibrating unit in accordance with the displacement detected by the Hall sensor in order to adjust the displacement of the vibrating unit vertical to the first direction.

Abstract: A panel-form loudspeaker is disclosed. The panel-form loudspeaker includes a lower cover including a recess, and a vibration acoustic unit facing the recess with a periphery thereof fixed on the lower cover for actuating the lower cover to vibrate and generate sound.

Abstract: The present disclosure discloses a linear vibration motor driver including an amplitude and temperature testing unit, a gain controller, and a coil resistance detector and an amplifier. The amplitude and temperature testing unit receives a motor drive input signal and a feedback drive signal output by the amplifier, and outputs a corresponding estimated motor amplitude and real-time temperature according to the motor drive input signal and the feedback drive signal. The amplifier adjusts magnification, amplifies the motor drive input signal according to the magnification and outputs the feedback drive signal to drive the motor. The present disclosure can adjust the magnitude of the drive signal according to current estimated amplitude and maximum amplitude and make corresponding rectification of the amplifier magnification upon too high temperature to extend the service life of the motor.

Abstract: An audio bass compensation system is disclosed. The audio bass compensation system includes a first signal path and a second signal path which are set in parallel. The first signal path includes a first equalizer, a first phase correction unit, a first power amplifier, a receiver or speaker. The second signal path includes a second equalizer, a second phase correction unit, a second power amplifier and a bass speaker which are connected electrically in series. Compared with the related technology, the audio bass compensation system adopts the receiver or the speaker to provide the medium-high compensation to the bass speaker. The present invention also provides a compensation method for audio bass compensation system.

Abstract: The present disclosure discloses a linear vibration motor driver including an amplitude and temperature testing unit, a gain controller, and a coil resistance detector and an amplifier. The amplitude and temperature testing unit receives a motor drive input signal and a feedback drive signal output by the amplifier, and outputs a corresponding estimated motor amplitude and real-time temperature according to the motor drive input signal and the feedback drive signal. The amplifier adjusts magnification, amplifies the motor drive input signal according to the magnification and outputs the feedback drive signal to drive the motor. The present disclosure can adjust the magnitude of the drive signal according to current estimated amplitude and maximum amplitude and make corresponding rectification of the amplifier magnification upon too high temperature to extend the service life of the motor.

Abstract: A vibration speaker is disclosed. The vibration speaker includes: a display screen including a first surface and a second surface opposite to the first surface; a vibrator disposed below the display screen with vibration direction perpendicular to the display screen; a cover including a lower cover and an upper cover assembled with the lower cover for forming a receiving space to receive the display screen and the vibrator; an elastic member comprising an inner end attached to the display screen, an outer end disposed between the lower cover and the upper cover, and a connecting part disposed between the inner end and the outer end and concaved towards the lower cover; wherein the display screen is actuated to vibrate and generate sound by the vibration of the vibrator.

Abstract: A vibration motor is provided in the present disclosure. The vibration motor includes a housing providing an accommodating space, and a first vibration system and a second vibration system elastically suspended within the accommodating space. The first vibration system includes at least one permanent magnet, and the second vibration system includes at least one magnetic force generation part opposite to the permanent magnet. A magnetic field generated by the magnetic force generation part interacts with the permanent magnet to drive the first vibration system and the second vibration system to vibrate in the housing.

Abstract: A vibrating motor is provided in the present disclosure. The vibrating motor includes a shell, a vibrating module, a magnet module, a coil module and an elastic assembly. The shell provides a receiving cavity for receiving the vibrating module. The vibrating module includes a first vibrating member and a second vibrating member, and the magnet module receives in the vibrating module. The coil module is disposed under the magnet module; the elastic assembly includes a pair of a first elastic parts and a second elastic part. The first elastic parts suspend the vibrating module in the shell; and the second elastic part connects the first vibrating member with the second vibrating member. The magnet module is received in at least one of the first vibrating member and the second vibrating member.

Abstract: A vibration speaker includes a screen; a frame for supporting the screen; a support attached to the frame, including a first supporting part and a second supporting part; and a piezoelectric vibrator fixed on the support for actuating the screen to vibrate. The piezoelectric vibrator is respectively connected to the first supporting part and the second supporting part.

Abstract: A panel-form loudspeaker is disclosed. The panel-form loudspeaker includes a cover having a bottom forming an opening in a middle portion thereof; a vibration plate at least partially accommodated in the opening; an actuator fixed with the cover and engaging with the vibration plate for driving the vibration plate to vibrate; a gap formed between the vibration plate and the bottom of the cover; and a suspension. The vibration plate includes an inner surface and an outer surface opposite to the inner surface. The suspension includes a first connecting portion connecting with the inner surface of the vibration plate, and a second connecting portion connecting with a top of the bottom for suspending the vibration plate in the opening.

Abstract: A protection case for a mobile communication device includes a main body for receiving the mobile communication device, a main circuit board with an amplifier installed thereon, and a vibrator electrically connected to the amplifier. The amplifier comprises audio signal input terminals for receiving audio signals from the mobile communication device, and audio signal output terminals for outputting the audio signals which are amplified by the amplifier to the vibrator; the vibrator is driven to vibrate in accordance with the audio signals output by the amplifier.

Abstract: A protection case for a mobile communication device includes a main body for receiving the mobile communication device, a main circuit board with an amplifier installed thereon, and a vibrator electrically connected to the amplifier. The amplifier comprises audio signal input terminals for receiving audio signals from the mobile communication device, and audio signal output terminals for outputting the audio signals which are amplified by the amplifier to the vibrator; the vibrator is driven to vibrate in accordance with the audio signals output by the amplifier.