Inventor

WU CHIH-HUAN

TW23 patents

⚠️ This page may combine multiple inventors who share the name “WU CHIH-HUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WU CHIH-HUAN

PIXART IMAGING INC

Pixel circuit outputting pulse width signal and optical sensor using the same

Motion detection methods and motion sensors capable of more accurately detecting true motion event

Motion detection methods and image sensor devices capable of generating ranking list of regions of interest and pre-recording monitoring images

Analog operation circuit for operating pulse width signals outputted from pixel circuit

Pixel circuit outputting pulse width signals and performing analog operation

Image sensing scheme capable of saving more power as well as avoiding image lost and also simplifying complex image recursive calculation

Locker with motion sensor

Optical sensor which can reduce image flicker

Motion detection methods and image sensor devices capable of generating ranking list of regions of interest and pre-recording monitoring images

Motion sensor outputting different image format and motion detection system using the same

Analog operation circuit for processing pixel data in analog phase

Motion sensor and motion detection system using the same

Pixel circuit outputting pulse width signal and optical sensor using the same

Optical sensor which can reduce image flicker

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

Image sensing scheme capable of saving more power as well as avoiding image lost and also simplifying complex image recursive calculation

Photographing device having two output interfaces

Motion detection methods and image sensor devices capable of generating ranking list of regions of interest and pre-recording monitoring images

Photographing device outputting tagged image frames

Global shutter sensor with parasitic light sensitivity compensation

PRIMESENSOR TECH INC

Photographing device having two output interfaces

Motion detection methods and motion sensors capable of more accurately detecting true motion event

Image sensing method and image sensing system