Inventor
WU Sung-Han
TW30 patents
Patents
30 patentsUS9952732B2Apr 24, 2018
Capacitive touch device, capacitive communication device and communication system
PIXART IMAGING INC3 citations73
US11863174B2Jan 2, 2024
Detection chip capable of cancelling baseline voltage
PIXART IMAGING INC2 citations72
US11456740B2Sep 27, 2022
Touch detection circuit with different charging and discharging currents and operating method thereof
PIXART IMAGING INC2 citations72
US10962426B2Mar 30, 2021
Calibration circuit for pressure sensing device
PIXART IMAGING INC3 citations72
US10613155B2Apr 7, 2020
Short circuit testing method for capacitive sensing device and the capacitive sensing device
PIXART IMAGING INC2 citations72
US12436643B2Oct 7, 2025
Capacitive touch control system detecting stylus pen and finger
PIXART IMAGING INC0 citations62
US12216861B2Feb 4, 2025
Capacitive touch control system with frequency booster
PIXART IMAGING INC0 citations62
US12183443B2Dec 31, 2024
Smart control system
PIXART IMAGING INC0 citations62
US11817194B2Nov 14, 2023
Smart control system
PIXART IMAGING INC0 citations62
US11747939B1Sep 5, 2023
Capacitive touch control system with frequency booster
PIXART IMAGING INC0 citations62
US11611344B2Mar 21, 2023
Touch detection circuit with different charging and discharging currents and operating method thereof
PIXART IMAGING INC0 citations62
US11599221B2Mar 7, 2023
Control chip for touch panel with high sensitivity
PIXART IMAGING INC0 citations62
US11592936B2Feb 28, 2023
Capacitive touch device with high sensitivity and low power consumption
PIXART IMAGING INC0 citations62
US11457837B2Oct 4, 2022
Direction control apparatus with sensor, and method and system for determining driver status using the same
PIXART IMAGING INC0 citations62
US11226705B2Jan 18, 2022
Capacitive touch system using frequency division multiplexing
PIXART IMAGING INC1 citations62
US10634567B2Apr 28, 2020
Calibration method and circuit for pressure sensing device
PIXART IMAGING INC1 citations62
US10603566B2Mar 31, 2020
Method and system for posture correction adapted to a sporting equipment
PIXART IMAGING INC1 citations62
US10451662B2Oct 22, 2019
Capacitive pressure sensing circuit and capacitance-to-voltage converter thereof
PIXART IMAGING INC1 citations62
US11411762B2Aug 9, 2022
Smart home control system
PIXART IMAGING INC0 citations52
US11381418B2Jul 5, 2022
Smart home control system
PIXART IMAGING INC0 citations52
US11334042B2May 17, 2022
Smart home control system for monitoring leaving and abnormal of family members
PIXART IMAGING INC0 citations52
US10430005B2Oct 1, 2019
Capacitive touch device and capacitive communication device
PIXART IMAGING INC0 citations52
US11500504B1Nov 15, 2022
Touch controlling mechanism capable of calibrating variations of sensor cells of touch sensor array
PIXART IMAGING INC0 citations51
US10972099B2Apr 6, 2021
Touch keyboard having low noise interference
PIXART IMAGING INC0 citations51
US10831304B2Nov 10, 2020
Control chip for capacitive touch device with high sensitivity and low power consumption
PIXART IMAGING INC0 citations51
US10775945B2Sep 15, 2020
Control chip for touch panel with high sensitivity and operating method thereof
PIXART IMAGING INC0 citations51
US10775939B2Sep 15, 2020
Capacitive touch system using frequency division multiplexing and operating method thereof
PIXART IMAGING INC0 citations51
US12366928B2Jul 22, 2025
Input method and controller of touch keyboard
PIXART IMAGING INC0 citations47
US10534476B2Jan 14, 2020
Compensation method for an induced amount in a touch sensor and touch panel thereof
PIXART IMAGING INC0 citations41
US10063214B2Aug 28, 2018
Programmable band-pass filter circuit of analog front-end used for capacitance detection
PIXART IMAGING INC0 citations33