Inventor

En-Feng Hsu

Inventor
Hsinchu, TW

Overview

105→
Patents
2012–2021
Patent span
Physics
Primary field (CPC G)

Patents· 105 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television18%
G06FElectric digital data processing16%
G06KGraphical data reading9%
G01SRadio direction-finding8%
G06VImage or video recognition or understanding8%
G01CMeasuring distances, levels or bearings6%
G06TImage data processing or generation, in general6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
H01LSemiconductor devices3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
PatentTitleYear
11,122,355Headset controller202111,073,386Sensing element and optical distance measurement system2021RE048624Event data recorder with low power consumption202111,015,927Optical sensor and optical sensor system202111,003,234Sensor array and method of controlling sensing devices generating detection results at different frequencies and related electronic device202110,976,831Interactive system and device with gesture recognition function202110,979,656Imaging device for distinguishing foreground202110,867,161Auxiliary filtering device for face recognition and starting method for electronic device202010,836,271Charging system and charging method202010,816,692Package structure of optical apparatus202010,803,291Encoding and decoding method and information recognition device using the same202010,755,417Detection system202010,747,995Pupil tracking device202010,747,326Motion detection system202010,685,606Backlight control method and cell phone using the same202010,616,467Imaging device and operating method thereof202010,616,506Imaging device for distinguishing foreground202010,600,196Distance measurement device based on phase difference202010,592,003Interactive system and device with gesture recognition function202010,595,116Headset controller202010,578,431Optical sensor and optical sensor system202010,580,363Backlight control method and portable electronic device using the same202010,551,499Optical detecting device capable of increasing signal-to-noise ratio and economizing power consumption202010,514,477Package structure of optical apparatus201910,503,973Pupil detection device201910,481,670Sensor array and method of reducing power consumption of sensing device with auxiliary sensing unit and related electronic device201910,457,152Charging system and charging method201910,386,484Optical apparatus and light sensitive device with micro-lens201910,379,677Optical touch device and operation method thereof201910,349,160Headset controller201910,341,584Imaging device for distinguishing foreground and sensor chip thereof201910,297,208Automatic detection method for backlight control and portable electronic device using the same201910,255,682Image detection system using differences in illumination conditions201910,198,631Pupil detection device201910,186,048Object distance computing method and object distance computing apparatus201910,175,769Interactive system and glasses with gesture recognition function201910,148,864Imaging device having phase detection pixels and regular pixels, and operating method thereof201810,139,223Optical distance measurement system201810,127,866Automatic detection method for backlight control and portable electronic device using the same201810,123,107Headset controller201810,097,773Imaging device for distinguishing foreground and operating method thereof201810,094,661Optical sensor and optical sensor system201810,033,956Image sensor20189,989,640Optical apparatus, light sensitive device with micro-lens and manufacturing method thereof20189,978,154Distance measurement device base on phase difference and distance measurement method thereof20189,904,369'Gesture recognition system and glasses with gesture recognition function'20189,891,319'Movement detection device capable of detecting three-dimensional motions'20189,888,200'Image sensor and operating method thereof'20189,805,236'Coding and decoding method using patterns and system thereof'20179,805,239'QR code detecting device and operation method thereof'20179,723,181'Gesture recognition apparatus and complex optical apparatus'20179,721,343'Method and system for gesture identification based on object tracing'20179,686,489'Image sensor and imaging system adopting analog buffer'20179,684,840'Detection system'20179,661,250'Image sensor and operating method thereof, motion sensor including the same'20179,645,681'Optical touch display system'20179,628,698'Gesture recognition system and gesture recognition method based on sharpness values'20179,618,610'Time of flight system capable of increasing measurement accuracy, saving power and/or increasing motion detection rate and method thereof'20179,600,700'Portable electronic device and operation method thereof'20179,599,745'Package structure of optical apparatus'20179,570,492'Pixel array of image sensor and method of fabricating the same'20179,544,508'Image sensor which can adjust brightness information to fall in a predetermined range'20179,530,051'Pupil detection device'20169,529,521'Gesture detecting apparatus and method for determining gesture according to variation of velocity'20169,459,695'Gesture recognition system and method'20169,459,351'Image system'20169,456,147'Video generating system with multiple image sensors and related method thereof'20169,432,600'Sensor device with dark current compensation and control method thereof'20169,363,444'Background model update method for image process'20169,350,922'Image sensing method and image sensor utilizing the method'20169,317,744'Device and method for determining gesture and operation method of gesture determining device'20169,274,051'Movement detection device capable of detecting three-dimensional motions'20169,268,409'Method and system for gesture identification based on object tracing'20169,255,795'Distance measuring device with increased signal-to-noise ratio and method thereof'20169,244,541'Image sensing apparatus and optical navigating apparatus with the image sensing apparatus'20169,239,261'Ambient light sensing device and method'20169,223,407'Gesture recognition apparatus and complex optical apparatus'20159,223,444'CMOS image sensor with shared multiplexer and method of operating the same'20159,223,386'Interactive pointing device capable of switching capture ranges and method for switching capture ranges for use in interactive pointing device'20159,210,449'Video generating system with multiple image sensors and related method thereof'20159,176,603'Interactive pointing device capable of switching capture ranges and method for switching capture ranges'20159,134,117'Distance measuring system and distance measuring method'20159,104,910'Device and method for determining gesture and operation method of gesture determining device'20159,093,342'Optical sensor capable of detecting IR light and visible light simultaneously'20159,063,219'Optical touch system'20159,025,037'Event data recorder with low power consumption'20158,878,132'Photosensor device and method for determining incident light'20148,836,831'Image sensor'20148,836,923'Distance measurement system'20148,823,839'Image system and denoising method thereof'20148,810,719'Electronic apparatus having camera sensing circuit and object sensing circuit used for switching between two different operation modes and related computer-readable medium'20148,791,924'Distance measuring device, 3D image-sensing device, and optical touch system'20148,749,483'Control device and control method for image display'20148,749,764'Distance-measuring device of measuring distance according to variation of imaging location and calibrating method thereof'20148,743,348'Optical distance detection system'20148,725,208'Serial transmission interface between an image sensor and a baseband circuit'20148,718,962'Calibrating method for calibrating measured distance of a measured object measured by a distance-measuring device according to ambient temperature and related device'20148,648,836'Hybrid pointing device'20148,638,425'Distance-measuring device with increased signal-to-noise ratio and method thereof'20148,633,462'Movement detection device for detecting movement of object in space range'20148,537,339'Distance measurement system and method thereof'20138,514,375'Distance-measuring device of measuring distance according to variation of imaging location and calibrating method thereof'20138,462,318'Distance-measuring system with correction function and method thereof'20138,406,433'3-point positioning device and method thereof'20138,305,460'Detection device and image capture system using the same'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to PIXART IMAGING INC (102)· patent assignee history
2012–2017Patents assigned to HSU EN-FENG (20)· patent assignee history
2012–2021Based in Hsinchu, TW· patent location history
2013–2017Patents assigned to KAO MING-TSAN (9)· patent assignee history
2013–2017Patents assigned to LIAO CHI-CHIEH (6)· patent assignee history
2014–2015Patents assigned to HSU EN FENG (8)· patent assignee history
2015Based in Taiwan, TW· patent location history
2017–2021Based in Hsinchu County, TW· patent location history
2018Based in Hsin Chu Hsien, TW· patent location history
2021Based in Hsin Chu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIXART IMAGING INC1022012–2021
HSU EN-FENGself202012–2017
KAO MING-TSAN92013–2017
HSU EN FENGself82014–2015
LIAO CHI-CHIEH62013–2017
Locations
LocationPatentsSpan
Hsinchu, TW702012–2021
Hsinchu County, TW302017–2021
Hsin Chu, TW12021
Hsin Chu Hsien, TW12018
Taiwan, TW12015