Inventor
YANG CHIH-SHIH
TW8 patents
⚠️ This page may combine multiple inventors who share the name “YANG CHIH-SHIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROLIFIC TECHNOLOGY INC
7 patentsUS6522093B1Feb 18, 2003
Method for driving a brushless DC motor
PROLIFIC TECHNOLOGY INC34 citations91
US6617818B2Sep 9, 2003
Voltage independent PWM base frequency generating method
PROLIFIC TECHNOLOGY INC8 citations72
US7250735B2Jul 31, 2007
Driving circuit of a fan
PROLIFIC TECHNOLOGY INC3 citations56
US7019473B2Mar 28, 2006
Noiseless driving circuit for DC motor
PROLIFIC TECHNOLOGY INC4 citations56
US10608426B2Mar 31, 2020
High temperature protection system for adjusting duty cycle by using pulse width modulation signal
PROLIFIC TECHNOLOGY INC0 citations33
US10338652B2Jul 2, 2019
High voltage protection system for adjusting duty cycle by using pulse width modulation signal
PROLIFIC TECHNOLOGY INC0 citations33
US9859837B2Jan 2, 2018
Negative voltage protection system for reducing an intensity of negative voltage
PROLIFIC TECHNOLOGY INC0 citations33