Pixart Imaging Incorporated

Sen-huang Huang

Ren-Hau Gu

Tso-Sheng Tsai

Yi-Hsien Ko

Han-Chi Liu

Ren-Chieh Liu

Yi-Cheng Chiu

Po-Wei Yu

Chih-ming Sun

Chiung-Wen Lin

Wei-Ming Wang

Ming-han Tsai

There is provided a neural signal detection circuit capable of outputting time difference data or neural data, and including a first temporal circuit and a second temporal circuit. The first temporal circuit is used to store detected voltage energy of a first interval and a second interval as the time difference data. The second temporal circuit is used to store detected voltage energy of the second interval as the neural data. The neural signal detection circuit is used to output the time difference data or the neural data in different operating modes.

Neural signal detection circuit outputting time difference data or neural data

There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.

Image sensor employing avalanche diode and shared output circuit

A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.

Operating method of 3D physiological detection system and host

There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.

Auto detection system for cooking assistance and hair dryer with thermal detection

3D physiological detection system and host displaying 3D energy distribution

Growing community of inventors

Hsin-Chu County, Taiwan

Sen-huang Huang