Assignee
PIXART IMAGING INC
TW·1,301 granted patents·349 pending applications·2,054 citations·filing 2000–2025
Top patents by PatentIndex Score
1,650 records- 0199US10241593B2Optical processing apparatus and light source luminance adjustment method thereofPIXART IMAGING INC·Filed 2017·Granted Mar 26, 2019·54 cites·20 claims
- 0298US11792550B2Pixel circuit outputting pulse width signal and optical sensor using the samePIXART IMAGING INC·Filed 2022·Granted Oct 17, 2023·5 cites·16 claims
- 0398US11615642B2Gesture recognition system employing thermal sensor and image sensorPIXART IMAGING INC·Filed 2021·Granted Mar 28, 2023·6 cites·14 claims
- 0498US11422025B2Optical sensor capable of synchronizing to ambient light flickerPIXART IMAGING INC·Filed 2020·Granted Aug 23, 2022·5 cites·20 claims
- 0598US11245865B2Image sensor employing avalanche diode and shared output circuitPIXART IMAGING INC·Filed 2021·Granted Feb 8, 2022·10 cites·20 claims
- 0697US11812176B2Pixel circuit selecting to output time difference data or image dataPIXART IMAGING INC·Filed 2021·Granted Nov 7, 2023·4 cites·10 claims
- 0797US11761830B2Earphone with force sensorPIXART IMAGING INC·Filed 2021·Granted Sep 19, 2023·7 cites·20 claims
- 0897US11672444B2Action recognition system and method thereofPIXART IMAGING INC·Filed 2022·Granted Jun 13, 2023·4 cites·8 claims
- 0997US11657646B2Body temperature monitoring device and wearable accessary for measuring basal body temperaturePIXART IMAGING INC·Filed 2021·Granted May 23, 2023·3 cites·15 claims
- 1097US11651620B2Medical monitoring system employing thermal sensorPIXART IMAGING INC·Filed 2021·Granted May 16, 2023·3 cites·14 claims
- 1197US11616503B2Optical encoder with interpolation circuitPIXART IMAGING INC·Filed 2022·Granted Mar 28, 2023·4 cites·20 claims
- 1297US11550161B2Illumination system having different light sources adapt to different work surfacesPIXART IMAGING INC·Filed 2021·Granted Jan 10, 2023·5 cites·18 claims
- 1397US11333532B1Light control circuit adapting to input signal frequency and operating method thereofPIXART IMAGING INC·Filed 2020·Granted May 17, 2022·9 cites·20 claims
- 1497US11272862B2Action recognition system and method thereofPIXART IMAGING INC·Filed 2020·Granted Mar 15, 2022·6 cites·8 claims
- 1597US11270149B2Image recognition method and system based on deep learningPIXART IMAGING INC·Filed 2020·Granted Mar 8, 2022·5 cites·8 claims
- 1697US10990821B2Object determining system and electronic apparatus applying the object determining systemPIXART IMAGING INC·Filed 2020·Granted Apr 27, 2021·4 cites·15 claims
- 1797US10274905B2Electronic devicePIXART IMAGING INC·Filed 2017·Granted Apr 30, 2019·10 cites·29 claims
- 1897US10212569B1Bluetooth audio communication system and method for acknowledging reception of packets of audio streams at a slave and master devicesPIXART IMAGING INC·Filed 2017·Granted Feb 19, 2019·26 cites·10 claims
- 1997US8749764B2Distance-measuring device of measuring distance according to variation of imaging location and calibrating method thereofPIXART IMAGING INC·Filed 2013·Granted Jun 10, 2014·73 cites·9 claims
- 2096US12093480B2Lighting touchpad with different layer configuration of sensing electrodes and LED chipsPIXART IMAGING INC·Filed 2023·Granted Sep 17, 2024·3 cites·6 claims
- 2196US11995913B2Body temperature monitoring device and wearable accessary for measuring basal body temperaturePIXART IMAGING INC·Filed 2023·Granted May 28, 2024·1 cites·16 claims
- 2296US11969243B2Action recognition system and method thereofPIXART IMAGING INC·Filed 2023·Granted Apr 30, 2024·2 cites·8 claims
- 2396US11921296B2Electronic device having different light sources adapt to different work surfacesPIXART IMAGING INC·Filed 2022·Granted Mar 5, 2024·3 cites·20 claims
- 2496US11778427B2Group voice communication of walkie-talkie mode in Bluetooth communication systemPIXART IMAGING INC·Filed 2020·Granted Oct 3, 2023·5 cites·14 claims
- 2596US11706542B2Pixel circuit outputting time difference data and image data, and operating method of pixel arrayPIXART IMAGING INC·Filed 2021·Granted Jul 18, 2023·5 cites·20 claims
- 2696US11691264B2Mobile robot performing multiple detections using image frames of same optical sensorPIXART IMAGING INC·Filed 2020·Granted Jul 4, 2023·4 cites·20 claims
- 2796US11546540B2Analog operation circuit for operating pulse width signals outputted from pixel circuitPIXART IMAGING INC·Filed 2022·Granted Jan 3, 2023·3 cites·20 claims
- 2896US11528444B2Image sensor employing avalanche diode and shared output circuitPIXART IMAGING INC·Filed 2021·Granted Dec 13, 2022·4 cites·20 claims
- 2996US11414069B1Method for parking guidance and parking guidance systemPIXART IMAGING INC·Filed 2021·Granted Aug 16, 2022·4 cites·20 claims
- 3096US11371864B2Interpolation circuit of optical encoderPIXART IMAGING INC·Filed 2021·Granted Jun 28, 2022·6 cites·20 claims
- 3196US11336869B2Motion detection methods and motion sensors capable of more accurately detecting true motion eventPIXART IMAGING INC·Filed 2020·Granted May 17, 2022·7 cites·6 claims
- 3296US11290671B2Pixel circuit outputting pulse width signals and performing analog operationPIXART IMAGING INC·Filed 2020·Granted Mar 29, 2022·3 cites·19 claims
- 3396US11108385B1Phase shifter circuit of optical encoder and operating method thereofPIXART IMAGING INC·Filed 2020·Granted Aug 31, 2021·8 cites·20 claims
- 3496US11099624B2Self-powered sensor devicePIXART IMAGING INC·Filed 2020·Granted Aug 24, 2021·4 cites·19 claims
- 3596US10979656B2Imaging device for distinguishing foregroundPIXART IMAGING INC·Filed 2020·Granted Apr 13, 2021·4 cites·20 claims
- 3696US10353487B2Electronic apparatus having optical navigation circuitPIXART IMAGING INC·Filed 2016·Granted Jul 16, 2019·50 cites·14 claims
- 3796US10007359B2Navigation trace calibrating method and related optical navigation devicePIXART IMAGING INC·Filed 2016·Granted Jun 26, 2018·59 cites·19 claims
- 3896US9942463B2Camera device without image displaying functionPIXART IMAGING INC·Filed 2014·Granted Apr 10, 2018·65 cites·13 claims
- 3995US11885828B2Optical encoder with changeable comparator hysteresis and operating method thereofPIXART IMAGING INC·Filed 2022·Granted Jan 30, 2024·2 cites·17 claims
- 4095US11741630B2Vehicle system with no-control operationPIXART IMAGING INC·Filed 2022·Granted Aug 29, 2023·2 cites·20 claims
- 4195US11709077B2Optical encoder with covered photo diodePIXART IMAGING INC·Filed 2021·Granted Jul 25, 2023·2 cites·13 claims
- 4295US11418729B2Image sensor having symmetrical opaque layerPIXART IMAGING INC·Filed 2021·Granted Aug 16, 2022·3 cites·20 claims
- 4395US11278172B2Cleaning robot capable of identifying surface typePIXART IMAGING INC·Filed 2019·Granted Mar 22, 2022·17 cites·20 claims
- 4495US11157607B2Wearable device having higher security and detecting blood pressuresPIXART IMAGING INC·Filed 2020·Granted Oct 26, 2021·3 cites·20 claims
- 4595US11153524B1High precision pixel circuit and method thereofPIXART IMAGING INC·Filed 2020·Granted Oct 19, 2021·6 cites·31 claims
- 4695US11150748B1Mouse device and method for calibrating sensitivity thereofPIXART IMAGING INC·Filed 2020·Granted Oct 19, 2021·5 cites·21 claims
- 4795US10996700B1Fast response linear regulator with bias current control and overshoot and undershoot suppressionPIXART IMAGING INC·Filed 2019·Granted May 4, 2021·13 cites·17 claims
- 4895US10983009B2Thermopile modulePIXART IMAGING INC·Filed 2020·Granted Apr 20, 2021·3 cites·17 claims
- 4995US10871385B2Optical encoder capable of identifying absolute positions and operating method thereofPIXART IMAGING INC·Filed 2019·Granted Dec 22, 2020·38 cites·20 claims
- 5095US9904369B2Gesture recognition system and glasses with gesture recognition functionPIXART IMAGING INC·Filed 2013·Granted Feb 27, 2018·18 cites·8 claims
Showing the top 50 of 1,650 patent records by PatentIndex Score.
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