Assignee
PIXART IMAGING INC
TW1,301 patents
Top patents by PatentIndex Score
US10241593B2Mar 26, 2019
Optical processing apparatus and light source luminance adjustment method thereof
PIXART IMAGING INC54 citations98
US8749764B2Jun 10, 2014
Distance-measuring device of measuring distance according to variation of imaging location and calibrating method thereof
PIXART IMAGING INC73 citations98
US10353487B2Jul 16, 2019
Electronic apparatus having optical navigation circuit
PIXART IMAGING INC50 citations96
US10007359B2Jun 26, 2018
Navigation trace calibrating method and related optical navigation device
PIXART IMAGING INC59 citations96
US9942463B2Apr 10, 2018
Camera device without image displaying function
PIXART IMAGING INC65 citations96
US10092244B2Oct 9, 2018
Biometric detection module with denoising function and biometric detection method thereof
PIXART IMAGING INC33 citations94
US10212569B1Feb 19, 2019
Bluetooth audio communication system and method for acknowledging reception of packets of audio streams at a slave and master devices
PIXART IMAGING INC26 citations93
US9904369B2Feb 27, 2018
Gesture recognition system and glasses with gesture recognition function
PIXART IMAGING INC18 citations93
US11278172B2Mar 22, 2022
Cleaning robot capable of identifying surface type
PIXART IMAGING INC17 citations92
US10285627B2May 14, 2019
Action recognition system and method thereof
PIXART IMAGING INC11 citations92
US9323347B2Apr 26, 2016
Optical pointing system
PIXART IMAGING INC14 citations92
US9104910B2Aug 11, 2015
Device and method for determining gesture and operation method of gesture determining device
PIXART IMAGING INC25 citations92
US8368005B2Feb 5, 2013
Optical detection method and optical MEMS detector, and method for making MEMS detector
PIXART IMAGING INC21 citations92
US7785481B2Aug 31, 2010
Method for fabricating micromachined structures
PIXART IMAGING INC28 citations92
US7689381B2Mar 30, 2010
Sensing system
PIXART IMAGING INC25 citations92
US7242391B2Jul 10, 2007
Optical navigation chip
PIXART IMAGING INC20 citations92
US7053932B2May 30, 2006
Method for detecting movement of image sensors
PIXART IMAGING INC30 citations92
US6377120B1Apr 23, 2002
Regulated-cascode amplifier with clamping circuit
PIXART IMAGING INC28 citations92
US10871385B2Dec 22, 2020
Optical encoder capable of identifying absolute positions and operating method thereof
PIXART IMAGING INC38 citations91
US7849742B2Dec 14, 2010
Out-of-plane sensing device
PIXART IMAGING INC22 citations91
US11615642B2Mar 28, 2023
Gesture recognition system employing thermal sensor and image sensor
PIXART IMAGING INC6 citations86
US11550161B2Jan 10, 2023
Illumination system having different light sources adapt to different work surfaces
PIXART IMAGING INC5 citations86
US11328152B2May 10, 2022
Recognition system employing thermal sensor
PIXART IMAGING INC6 citations86
US11792550B2Oct 17, 2023
Pixel circuit outputting pulse width signal and optical sensor using the same
PIXART IMAGING INC5 citations85
US11706542B2Jul 18, 2023
Pixel circuit outputting time difference data and image data, and operating method of pixel array
PIXART IMAGING INC5 citations85
US11672444B2Jun 13, 2023
Action recognition system and method thereof
PIXART IMAGING INC4 citations85
US11616503B2Mar 28, 2023
Optical encoder with interpolation circuit
PIXART IMAGING INC4 citations85
US11371864B2Jun 28, 2022
Interpolation circuit of optical encoder
PIXART IMAGING INC6 citations85
US11333532B1May 17, 2022
Light control circuit adapting to input signal frequency and operating method thereof
PIXART IMAGING INC9 citations85
US11336869B2May 17, 2022
Motion detection methods and motion sensors capable of more accurately detecting true motion event
PIXART IMAGING INC7 citations85
US11272862B2Mar 15, 2022
Action recognition system and method thereof
PIXART IMAGING INC6 citations85
US11245865B2Feb 8, 2022
Image sensor employing avalanche diode and shared output circuit
PIXART IMAGING INC10 citations85
US11761830B2Sep 19, 2023
Earphone with force sensor
PIXART IMAGING INC7 citations84
US11657646B2May 23, 2023
Body temperature monitoring device and wearable accessary for measuring basal body temperature
PIXART IMAGING INC3 citations84
US11651620B2May 16, 2023
Medical monitoring system employing thermal sensor
PIXART IMAGING INC3 citations84
US11528444B2Dec 13, 2022
Image sensor employing avalanche diode and shared output circuit
PIXART IMAGING INC4 citations84
US11422025B2Aug 23, 2022
Optical sensor capable of synchronizing to ambient light flicker
PIXART IMAGING INC5 citations84
US11418729B2Aug 16, 2022
Image sensor having symmetrical opaque layer
PIXART IMAGING INC3 citations84
US11270149B2Mar 8, 2022
Image recognition method and system based on deep learning
PIXART IMAGING INC5 citations84
US11137770B2Oct 5, 2021
Sensor registering method and event identifying method of smart detection system
PIXART IMAGING INC7 citations84
US11099624B2Aug 24, 2021
Self-powered sensor device
PIXART IMAGING INC4 citations84
US10996700B1May 4, 2021
Fast response linear regulator with bias current control and overshoot and undershoot suppression
PIXART IMAGING INC13 citations84
US10990821B2Apr 27, 2021
Object determining system and electronic apparatus applying the object determining system
PIXART IMAGING INC4 citations84
US10979656B2Apr 13, 2021
Imaging device for distinguishing foreground
PIXART IMAGING INC4 citations84
US10976560B2Apr 13, 2021
Navigation device, illumination system and light beam shaping optics thereof
PIXART IMAGING INC6 citations84
US10785419B2Sep 22, 2020
Light sensor chip, image processing device and operating method thereof
PIXART IMAGING INC6 citations84
US10713487B2Jul 14, 2020
Object determining system and electronic apparatus applying the object determining system
PIXART IMAGING INC4 citations84
US10699118B2Jun 30, 2020
Vehicle safety system and operating method thereof
PIXART IMAGING INC3 citations84
US10635156B2Apr 28, 2020
Self-powered sensor device
PIXART IMAGING INC5 citations84
US10627518B2Apr 21, 2020
Tracking device with improved work surface adaptability
PIXART IMAGING INC3 citations84
Showing the top 50 of 1,301 patents by PatentIndex Score.