Abstract: The present application discloses a portable electronic device. The device includes a case; a camera lens fixed to the case; a sound generator attached to the case for producing sounds; and a central process unit and a circuit system for providing controlling current to the camera lens. The camera lens includes a side wall and a lens holder moveable relative to the side wall. The lens holder is driven to a predetermined position farther away from the case than an initial position, when the sound generator is producing sounds. The present application further provides a method for eliminating noise by applying controlling current to the lens holder to move the lens holder to a position farther away from the case for avoiding collision between the case and the lens holder.

Abstract: A virtual reality device with iris acquisition function, includes 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: An in-vehicle audio system, including a sounding module mounted inside a vehicle. The sounding module includes a housing having receiving space, and a sounding unit mounted in the receiving space. The sounding unit divides the receiving space into a back coupling cavity and a front sounding cavity. The housing includes a body fixing the sounding unit, and an upper cover plate and a lower cover plate mounted at two sides of the body. The back coupling cavity is formed between the lower cover plate and the body. The front sounding cavity is formed between the upper cover plate and the body. The sounding side of the sounding unit is facing toward the upper cover plate. The side wall of the body is provided with a side sounding outlet communicated with the front sounding cavity. The side sounding outlet is facing toward the interior of the vehicle.

Abstract: The present application discloses a sound generator, including: a panel; a housing including a substrate and a frame extending from the substrate; a space formed by the panel and the housing; a driving member; a first sliding guide; a first sliding block slidably connected with the first sliding guide; a second sliding guide; a second sliding block slidably connected with the second sliding guide; a support mounted on the substrate and including a pivot; and a linking pole pivotally connected to the pivot. The linking pole includes an end movably connected to the first sliding block and another end movably connected to the second sliding block; and a distance from the pivot to the first sliding block is smaller than a distance from the pivot to the second sliding block.

Abstract: A virtual reality device with iris acquisition function, includes 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 virtual reality device with iris acquisition function, includes 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 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: An in-vehicle audio system, including a sounding module mounted inside a vehicle. The sounding module includes a housing having receiving space, and a sounding unit mounted in the receiving space. The sounding unit divides the receiving space into a back coupling cavity and a front sounding cavity. The housing includes a body fixing the sounding unit, and an upper cover plate and a lower cover plate mounted at two sides of the body. The back coupling cavity is formed between the lower cover plate and the body. The front sounding cavity is formed between the upper cover plate and the body. The sounding side of the sounding unit is facing toward the upper cover plate. The side wall of the body is provided with a side sounding outlet communicated with the front sounding cavity. The side sounding outlet is facing toward the interior of the vehicle.

Abstract: The present application discloses a sound generator, including: a panel; a housing including a substrate and a frame extending from the substrate; a space formed by the panel and the housing; a driving member; a first sliding guide; a first sliding block slidably connected with the first sliding guide; a second sliding guide; a second sliding block slidably connected with the second sliding guide; a support mounted on the substrate and including a pivot; and a linking pole pivotally connected to the pivot. The linking pole includes an end movably connected to the first sliding block and another end movably connected to the second sliding block; and a distance from the pivot to the first sliding block is smaller than a distance from the pivot to the second sliding block.

Abstract: The present application discloses a portable electronic device. The device includes a case; a camera lens fixed to the case; a sound generator attached to the case for producing sounds; and a central process unit and a circuit system for providing controlling current to the camera lens. The camera lens includes a side wall and a lens holder moveable relative to the side wall. The lens holder is driven to a predetermined position farther away from the case than an initial position, when the sound generator is producing sounds. The present application further provides a method for eliminating noise by applying controlling current to the lens holder to move the lens holder to a position farther away from the case for avoiding collision between the case and the lens holder.

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 vibration motor includes a housing; a vibration module including a main magnet and a central shaft extending along a vibration direction and passing through a center of the main magnet; a fixing module located in the housing and including a first coil and a second coil spaced from the main magnet; an elastic connecting part suspending the vibration module in the housing; and a sensor for detecting a displacement of the vibration module along a direction perpendicular to the central shaft. The first coil and the second coil are such arranged that a geometric center of one of the first coil and the second coil deviates from the central shaft, a geometric center of the other of the first coil and the second coil deviates from the central shaft, and the two geometric centers locate at two opposed sides of the central shaft.

Abstract: A method for testing user experience, comprising steps of: acquiring test indicating information; releasing a main task and an auxiliary task according to the test indicating information, each auxiliary task includes the main task and a corresponding physical signal providing prompting effect or inhibiting effect to the main task; acquiring feedback response information of a subject corresponding to the main task and the auxiliary task. In the technical solution of the present disclosure, through comparison of feedback response information of the subject between the auxiliary task and the main task, the perception situation of the subject on physical signals can be determined, and through comparison of feedback response information of the subject between the auxiliary tasks, the perception situation of the subject on different physical signals can be determined, thereby improving the effectiveness of the test result on perception attributes of physical signals.

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: 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: 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 vibration motor includes a housing; a vibration module including a main magnet and a central shaft extending along a vibration direction and passing through a center of the main magnet; a fixing module located in the housing and including a first coil and a second coil spaced from the main magnet; an elastic connecting part suspending the vibration module in the housing; and a sensor for detecting a displacement of the vibration module along a direction perpendicular to the central shaft. The first coil and the second coil are such arranged that a geometric center of one of the first coil and the second coil deviates from the central shaft, a geometric center of the other of the first coil and the second coil deviates from the central shaft, and the two geometric centers locate at two opposed sides of the central shaft.

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 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.