Pixart Imaging Incorporated

Pixart Imaging Incorporation, R.o.c.

Skhynix Inc.

Pixart Imaging Incorporation

Ren-Hau Gu

Ming-Tsan Kao

Sen-Huang Huang

Hsin-Chia Chen

Chih-Hsin Lin

Yu-Hao Huang

Shu-Sian Yang

Chun-Wei Chen

Tzung-Min Su

Yen-Min Chang

Cheng-Nan Tsai

Chih-Yuan Chuang

Chung-Wen Lo

Yung-Chang Lin

Ming-Chang Li

Chih-Yen Wu

En-Feng Hsu

Chi-Chieh Liao

Wei-Ru Han

Guo-Zhen Wang

Chih-Hung Lu

Ching-Lin Chung

Yi-Fang Lee

Shih-Wei Kuo

Tse-Chung Su

Ming-Hung Tsai

Wei-Ting Chan

Teo-Chin Chiang

Cho-Yi Lin

Wen-Han Yao

Jung-Tai Lin

Jian-Cheng Liao

Sen-huang Huang

Chiung-Wen Lin

Chien-Lung Liao

Raman Sahgal

Yang-Ming Chou

Chun-Chih Chen

Yi-Hsien Ko

Tzu-Yu Chen

Hung-Ching Lai

Yu-Han Chen

Tsung-Fa Wang

Chih-Huan Wu

Hung-Yu Lai

Chung-Yuo Wu

Yao-Hsuan Lin

Hsiu-Ling Yeh

Yu-Ju Lee

Ching-Chih Chen

Tzung-min Su

Yi-Min Liu

Hsiang-Sheng Liu

Chi-Cheh Liao

There is provided an electronic device arranged to be unlocked using a fingerprint. The electronic device includes a touch pad, a processor and an operation system. The touch pad acquires fingerprint data within sequential multiple time intervals, respectively. The processor recognizes a fingerprint of each time interval according to the fingerprint data. Upon a sequence and an operating feature of multiple fingerprints matching a predetermined condition, the processor controls the operation system to unlock the electronic device.

Electronic device unlocked by sequential fingerprints

This instant disclosure provides a heart rate detecting device which includes an image sensor. The image sensor generates a first mixed signal within a first interval and generates a second mixed signal within a second interval, wherein the first mixed signal contains light information of first multiple light wavelengths having a first intensity ratio from one another, and the second mixed signal contains light information of second multiple light wavelengths having a second intensity ratio, different from the first intensity ratio, from one another.

Heart rate detecting device capable of alleviating motion interference

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

A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a wrist of a user. The light emitting unit is disposed on an inner side of the body, and the light emitting unit emits a light beam illuminating at least a portion of the wrist. The light sensing unit operatively senses the light beam reflected by the at least portion of the wrist and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.

Action recognition system and method thereof

There is provided a physiological detection device including a light source, a light detector, a processing unit and a display device. The light source emits light to illuminate a skin surface. The light detector receives the light from the skin surface to output detected signals. The processing unit confirms an attached state according to the detected signals and controls the display device to show an indication signal or a warning message when the attached state is confirmed not good.

Physiological detection device using different polarizers and light wavelengths

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

There is provided a physiological detection device including a white light source, a molding and a pixel array. The white light source is configured to emit white light having a color temperature between 2800K and 3200K. The molding is formed upon the white light source and configured to constrain an emission angle of the white light between 60 and 80 degrees. The pixel array is covered by a filter layer having a passband between 570 nm and 620 nm configured to filter the white light.

Physiological detection device with white light source

An optical data sensing device of a biological information measuring device, comprising: an optical sensor; a first light emitting device, configured to emit first light away from the optical sensor; and a first opaque isolation component, located between the optical sensor and the first light emitting device, configured to reduce the first light received by the optical sensor. The present invention also discloses an optical data sensing device comprising a plurality of light emitting devices with different emitting directions or wavelengths, to improve the accuracy of biological information measuring.

Optical data sensing device of biological information measuring device which can improve motion artifact issue

Physiological detection device with different polarizers

A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a movable part of a user. The light emitting unit is disposed on an inner side of the body, wherein the light emitting unit emits a light beam illuminating at least a portion of the movable part. The light sensing unit operatively senses the light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.

A physiological detection device includes system including a first array PPG detector, a second array PPG detector, a display and a processing unit. The first array PPG detector is configured to generate a plurality of first PPG signals. The second array PPG detector is configured to generate a plurality of second PPG signals. The display is configured to show a detected result of the physiological detection system. The processing unit is configured to convert the plurality of first PPG signals and the plurality of second PPG signals to a first 3D energy distribution and a second 3D energy distribution, respectively, and control the display to show an alert message.

Array physiological detection system

A heart rate detection module including a PPG measuring device, a motion sensor and a processing unit is provided. The PPG measuring device is configured to detect a skin surface in a detection period to output a PPG signal. The motion sensor is configured to output an acceleration signal corresponding to the detection period. The processing unit is configured to respectively convert the PPG signal and the acceleration signal to first frequency domain information and second frequency domain information, determine a denoising parameter according to a maximum spectrum peak value of the second frequency domain information to denoise the first frequency domain information, and calculate a heart rate according to a maximum spectrum peak value of the denoised first frequency domain information.

Respiration rate detection device and breath detection device adopting motion denoising

A method of an optical sensor device includes: using an oscillator circuit to generate a clock signal; and generating monitoring frames according to the clock signal; wherein the clock signal is calibrated in response to at least one of: a first communication signal, transmitted for multiple times from a monitoring system externally coupled to the optical sensor device, is received by the optical sensor device; a data length of the first communication signal transmitted for only one time from the monitoring system externally coupled to the optical sensor device; and, a data length of an encoded data portion of the first communication signal transmitted for only one time.

Optical sensor devices and method capable of calibrating clock signal by itself when receiving one or more transmissions of specific communication signal from monitoring system

There is provided a heart rate detection device including a sensing unit for sensing emergent light from subcutaneous tissues illuminated by a single light source of multiple light colors to output multiple light detection signals associated with multiple wavelengths. The heart rate detection device further includes a processor uses the multiple light detection signals associated with the multiple wavelengths to cancel motion artifact to obtain a clean heart rate signal.

Heart rate detection device and physiological detection device

An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

Growing community of inventors

Hsin-Chu, Taiwan

Ren-Hau Gu