Pixart Imaging Incorporated

Shih-Wei Kuo

Chun-Wei Chen

Tsung-Fa Wang

Yen-Min Chang

Ren-Hau Gu

Ching-Lin Chung

Ting-Yang Chang

Feng-Cheng Yang

Nien-Tse Chen

Yen-Chang Wang

Chia-Yi Liu

Tsung-Ho Wu

Yi-Min Liu

A wireless charging device and an operation method thereof are provided. The wireless charging device includes a charging module, at least one proximity sensor and a central controller. The wireless charging device senses a distance variation between the wireless charging device and an object using the proximity sensor and accordingly determines whether to turn on or turn off the charging module to achieve energy saving.

Wireless charging device and operation method thereof

There is provided a vehicle system including a sensing unit, a processing unit, a control unit and a display unit. The sensing unit is configured to capture an image frame containing an eyeball image from a predetermined distance. The processing unit is configured to calculate a pupil position of the eyeball image in the image frame and generate a drive signal corresponding to the pupil position. The control unit is configured to trigger a vehicle device associated with the pupil position according to the drive signal. The display unit is configured to show information of the vehicle device.

Vehicle system with no-control operation

There is provided a vehicle safety system including a sensing unit, a processing unit, a control unit and a display unit. The sensing unit is configured to capture an image frame containing an eyeball image from a predetermined distance. The processing unit is configured to calculate a pupil position of the eyeball image in the image frame and generate a drive signal corresponding to the pupil position. The control unit is configured to trigger a vehicle device associated with the pupil position according to the drive signal. The display unit is configured to show information of the vehicle device.

Vehicle safety system with no-control operation

Provided herein are a measurement device and an operation method thereof. The measurement device senses a distance variation between the measurement device and an object using a built-in proximity sensor and accordingly determines whether to turn on or turn off a track sensing module and an optical ranging module such that the measurement device provides intelligent selection to achieve energy saving without being interfered with by other sensors being turned on.

Measurement device and operation method thereof

Vehicle safety system and operating method thereof

An amending circuit of correcting bouncing misjudgment of a keyswitch includes a comparing unit, a predetermined voltage generating unit and a controlling unit. The comparing unit has a first input terminal, a second input terminal and an output terminal. The first input terminal is adapted to receive a triggering signal generated by the keyswitch. The predetermined voltage generating unit is electrically connected to the second input terminal and adapted to generate a first predetermined voltage. The controlling unit is electrically connected to the output terminal. The controlling unit is adapted to determine whether to execute polling application according to a comparison result of the comparing unit, and to generate a confirming signal while a polling result of the polling application is kept at a specific level. The confirming signal is used by an external processor to confirm that the keyswitch is actually triggered.

Amending circuit of correcting bouncing misjudgment of a keyswitch

A navigation device with distance detecting function can utilize a distance detecting mechanism to detect a distance relative to a working surface. The distance detecting mechanism includes a base, a connecting component, a feature unit and a detection unit. The connecting component partly protrudes from the base. The connecting component optionally contacts against or is spaced from the working surface to generate a distance variation relative to the base along an axial direction. The feature unit is disposed on the connecting component. The detection unit is connected to the base. The detection unit can detect parameter difference of the feature unit according to the distance variation of the connecting component relative to the base, so as to determine the distance between the working surface and a bottom of the base via the parameter difference.

Distance detecting mechanism and navigation device with distance detecting function

This present invention discloses an optical mouse and a parameter calibration method thereof. The optical mouse includes: a light source, an image capturing unit, a memory unit and a processing unit, and the parameter calibration method of the optical mouse includes: capturing images formed by the reflective light projected from the mouse pad when the optical mouse is placed upon the mouse pad and has a relative displacement between the mouse pad, and then producing image frames according to the images; determining if any pattern information is found in the image frames; further, setting parameters of the optical mouse when at least one of the pattern information is found in the frames, in which, the pattern information is composed of a pattern of the mouse pad.

Optical mouse and parameter calibration method thereof

A keyboard has a keyswitch capable of showing its movement depth. The keyswitch includes a substrate, a lifting unit, a multistage positioning component and a keycap. The lifting unit is disposed on the substrate. The multistage positioning component is disposed on the substrate and has a plurality of first actuating portions. The keycap is connected with the lifting unit and adjacent by the multistage positioning component. The keycap has a second actuating portion. The keycap is moved relative to the substrate via the lifting unit, and the second actuating portion can contact against one of the plurality of first actuating portions to generate a feedback signal.

Keyswitch and keyboard capable of showing movement depth

A universal circuit board compatible for a mechanical keyswitch and an optical keyswitch includes a main body, a plurality of conductive terminals and an opening structure. The main body has a first surface and a second surface opposite to each other. The plurality of conductive terminals is disposed on the first surface of the main body. The opening structure is formed on the main body and pierces through the first surface and the second surface. The opening structure can be inserted by an axle body of the mechanical keyswitch or be an optical transmission channel of the optical keyswitch.

Universal circuit board for mechanical keyswitch and optical keyswitch

A control system, a mouse and a control method thereof are provided. The control system comprises a dongle and the mouse. The dongle is wiredly connected to a host and has a first light source for emitting a first light. The mouse is wirelessly connected to the dongle and has a transmitter, a second light source for emitting a second light, an optical sensor and a processor. The optical sensor senses the first light at a first time interval to generate a first sensing signal and then also, senses the second light at a second time interval to generate a second sensing signal. The processor generates a first control signal and a second control signal according to the first sensing signal and the second sensing signal, respectively, and transmits them to the dongle via the transmitter so that the host receives the first and second control signals via the dongle.

Light sensor

An electronic switch with force feedback function includes a base, an actuating component and a. The actuating component is movably connected to the base, and includes a. The magnetic field generating module is disposed on the base, and provides a magnetic repulsive force to the magnetic unit for force feedback while the actuating component moves close to the base.

Electronic switch with force feedback function

A camera device without an image displaying function which is adapted to assemble with a portable electronic device with a vision displaying module is disclosed in the present invention. The camera device is electrically connected to the portable electronic device via wire/wireless connection. The camera device includes a base, a lens module and at least one touch navigation module. The base includes a surrounding component whereinside the lens module is disposed. The lens module includes a lens assembly and a digital processing unit. The touch navigation module is disposed on an outer surface of the surrounding component and electrically connected to the lens module. The touch navigation module detects an input command to trigger the lens assembly to capture an image, or controls parameters of an adjustable mode of the lens assembly via the digital processing unit.

Growing community of inventors

Hsin-Chu, Taiwan

Shih-Wei Kuo