Pixart Imaging Incorporated

Pixart Imaging Incorporation

Skhynix Inc.

Pixart Imaging Incorporation, R.o.c.

Samsung Electronics Co., Ltd.

Taiwan Space Agency

En-Feng Hsu

Ming-Tsan Kao

Yu-Hao Huang

Meng-Huan Hsieh

Nien-Tse Chen

Chia-Yu Liu

Chi-Chieh Liao

Jung-Tai Lin

Guo-Zhen Wang

Chih-Hung Lu

Han-Chang Lin

Ren-Hau Gu

Yi-Hsien Ko

Sen-Huang Huang

Hsin-Chi Cheng

Yi-Fang Lee

Yi-Yuan Chen

Horng-Goung Lai

Tien-Chung Yang

Yen-Min Chang

Shu-Sian Yang

Ching-Wei Chen

Hsin-Chia Chen

Han-Chi Liu

Cho-Yi Lin

Chih-Kang Han

Chao-Chi Lee

Ting-Yang Chang

Chia-Kai Chen

Shiaw-Yu Jou

Tsung-Yi Su

Chen-Lung Liu

Chuan-Wei Wang

Chao-Chien Huang

Ren-Chieh Liu

Chung-Yuo Wu

Chuan-Hsin Lee

Chin-Poh Pang

Chih Hung Lu

Wei-Ting Chan

Chien-Jung Chou

Chia-Yi Liu

Huan-Kun Pan

Shuen-Yin Bai

Pai-Heng Hsiao

Chia-Hsun Wu

Chien-Sheng Chen

Meng-Huan Hsien

Mig-Tsan Kao

Meng-huan Hsieh

Yung-Song Hou

An optical sensor, comprising: a sensor array, comprising a bright region with at least one bright pixel and comprising a dark region with at least one dark pixel, wherein the dark pixel generates a sensing signal that is non-relevant to light emitted to the sensor array; a power noise detection circuit, configured to compute a power noise level of the sensing signal from the dark pixel; and a power noise compensation circuit, configured to control the optical sensor to perform a power noise compensation operation according to the power noise level. A related power noise reduction method is also disclosed. Based on the present invention, the power noise of the optical sensor can be reduced without increasing the power consumption, and the power noise for a low switch frequency can also be improved.

Optical sensor which can reduce power noise and power noise reduction method

There is provided a portable electronic device including a backlight module, an ambient light sensor, a proximity sensor and a processing unit. The backlight module illuminates with backlight brightness. The ambient light sensor is configured to detect ambient light intensity. The proximity sensor is configured to detect an object. The processing unit is configured to activate the proximity sensor when the ambient light intensity detected by the ambient light sensor is lower than a predetermined value or decreases more than a predetermined range, and to maintain or reduce the backlight brightness according to a detection result of the proximity sensor. There is further provided an automatic detection method.

Brightness control method of portable device and portable device using the same

An electronic device comprising: a clock pin; at least one data pin; a storage device, configured to store at least one program; a processing circuit, coupled to the data pin. A device ID setting method is performed when the processing circuit executes the program stored in the storage device. The device ID setting method comprises; (a) recording connections between pins of a first electronic device and pins of the electronic device by the electronic device, wherein the first electronic device comprises at least one data pin; and (b) applying the connections between the pins of the first electronic device and the pins of the electronic device as a device ID of the first electronic device by the electronic device.

Device ID setting method and electronic device applying the device ID setting method

A method for identifying an object, an optical sensing apparatus and a system are provided. A controller of the system drives multiple light sources of the optical sensing apparatus to emit the multiple light beams with different beam angles, controls a light sensor to sense the lights reflected by the object, and performs the method for identifying the object. In the method, the light sensor is used to sense a first light emitted by a first light source with a first beam angle reflected by the object, and sense an intensity of the reflected first light. The light sensor is also used to sense a second light emitted by a second light source with a second beam angle reflected by the object and sense another intensity of the reflected second light. Therefore, the object can be identified by integrating information of the intensities obtained by the light sensor.

Method for identifying size of object, optical sensing apparatus and system

An electronic device includes: a first sensing device, for selectively detecting a state of motion of an object at a first frequency; a second sensing device for selectively detecting the object to determine whether the object is in a specific space at a second frequency, wherein the second frequency is different from the first frequency; a light emitting device, for illuminating the object to make the first sensing device able to detect the state of motion of the object; and a control unit, coupled to the first sensing device and the second sensing device, for controlling operating states of the first sensing device and the second sensing device.

Sensor array and method of controlling sensing device and related electronic device

An electronic device comprising: a clock pin; at least one data pin; a storage device, configured to store at least one program; a processing circuit, coupled to the clock pin and the data pin. A device ID setting method is performed when the processing circuit executes the program stored in the storage device. The device ID setting method comprises; (a) recording connections between pins between the first electronic device and the second electronic device by the second electronic device; (b) applying the connections as a device ID of the first electronic device by the second electronic device; and (c) setting pins of the first electronic device such that the data pins of the second electronic device are coupled to the data pins of the first electronic device.

The present disclosure provides a time delay integration (TDI) sensor using a rolling shutter. The TDI sensor includes multiple pixel columns. Each pixel column includes multiple pixels arranged in an along-track direction, wherein two adjacent pixels or two adjacent pixel groups in every pixel column have a separation space therebetween. The separation space is equal to a pixel height multiplied by a time ratio of a line time difference of the rolling shutter and a frame period, or equal to a summation of at least one pixel height and a multiplication of the pixel height by the time ratio of the line time difference and the frame period. The TDI sensor further records defect pixels of a pixel array such that in integrating pixel data to integrators, the pixel data associated with the defect pixels is not integrated into corresponding integrators.

Time delay integration sensor handling defect pixels

A sensing element includes a plurality of sensing pixel areas arranged in matrix, wherein each of the plurality of sensing pixel areas includes a first pixel, a second pixel, a first shielding layer, a second shielding layer and at least one micro lens. The second pixel is adjacent to the first pixel in a predetermined direction. The first shielding layer is disposed on the first pixel and has a first opening, wherein an aperture of the first opening increases along the predetermined direction from a center of the first pixel. The second shielding layer is disposed on the second pixel and has a second opening, wherein a shape of the second opening is mirror symmetrical with that of the first opening in the predetermined direction. The at least one micro lens is disposed on the first shielding layer and the second shielding layer.

Sensing element having pixels exposed by aperture increasing along predetermined direction

Light control method of portable device and portable device using the same

Method for identifying object, optical sensing apparatus and system

There is provided an optical sensor that acquires a first image frame corresponding to a first flicker period and acquires a second image frame corresponding to a second flicker period. The optical sensor adds the first image frame to the second image frame to generate a sum of image frames for the motion detection. Or, the optical sensor respectively adds pixel data of every two pixels in neighboring rows of the first image frame and the second image frame to generate a low-resolution image frame for the motion detection.

Optical sensor cancelling image flicker

An auxiliary filtering device for face recognition is provided. The auxiliary filtering device is used to exclude an ineligible object to be identified according to the relative relationship between object distances and image sizes, the image variation with time and/or the feature difference between images captured by different cameras to prevent the possibility of cracking the face recognition by using a photo or a video.

Auxtiliary filtering device of electronic device and cellphone

The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.

Motion detection system having two motion detecting sub-system

An image sensor including a pixel matrix and an opaque layer is provided. The pixel matrix includes a plurality of unblocked pixels, a plurality of first pixels and a plurality of second pixels. The opaque layer covers upon a first region, which is a part of each first pixel, and upon a second region, which is a part of each second pixel, but does not cover upon the unblocked pixels, wherein the first region and the second region are symmetrically arranged in a first direction, and uncovered regions of the first pixels and the second pixels are arranged to be larger at a pixel edge than at a pixel center.

Image sensor having symmetrical opaque layer

Light control method of cell phone and cell phone using the ambient light sensor and the proximity sensor

Growing community of inventors

Hsin-Chu, Taiwan

En-Feng Hsu