Inventor
LIAO CHIA-WEI
TW35 patents
⚠️ This page may combine multiple inventors who share the name “LIAO CHIA-WEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIAO CHIA-WEI
13 patentsUS8968130B2Mar 3, 2015
Bicycle cogset with support element
LIAO CHIA-WEI29 citations90
US8884537B2Nov 11, 2014
Active bleeder circuit triggering TRIAC in all phase and light emitting device power supply circuit and TRIAC control method using the active bleeder circuit
LIAO CHIA-WEI16 citations82
US8659239B2Feb 25, 2014
Circuit and method for providing absolute information for floating grounded integrated circuit
LIAO CHIA-WEI9 citations82
US9337716B2May 10, 2016
Power supply circuit with PFC function, and automatic gain control circuit therefor and control method thereof
LIAO CHIA-WEI3 citations73
US8780587B2Jul 15, 2014
Switching regulator and control circuit and control method thereof
LIAO CHIA-WEI4 citations72
US9081401B2Jul 14, 2015
Switching regulator and control circuit and control method thereof
LIAO CHIA-WEI4 citations71
US8896319B2Nov 25, 2014
Light emitting device control circuit and short detection circuit thereof
LIAO CHIA-WEI5 citations71
US9287796B2Mar 15, 2016
Isolated power converter circuit and control method thereof
LIAO CHIA-WEI2 citations63
US9055646B2Jun 9, 2015
Light emitting device driver circuit and control method thereof
LIAO CHIA-WEI3 citations63
US8661932B2Mar 4, 2014
Speed control device for speed changing device of bicycle
LIAO CHIA-WEI2 citations62
US8253476B2Aug 28, 2012
Trimmer circuit and method
LIAO CHIA-WEI1 citations52
US8149044B2Apr 3, 2012
Trimmer circuit and method
LIAO CHIA-WEI0 citations52
US8089834B2Jan 3, 2012
Apparatus for controlling servo signal gains of an optical disc drive and method of the same
LIAO CHIA-WEI0 citations49
MEDIATEK INC
9 patentsUS7796480B2Sep 14, 2010
Apparatus and methods for light spot servo signal detection
MEDIATEK INC20 citations92
US7474235B2Jan 6, 2009
Automatic power control system for optical disc drive and method thereof
MEDIATEK INC20 citations92
US7911891B2Mar 22, 2011
Apparatus for controling servo signal gains of an optical disc drive and method of same
MEDIATEK INC3 citations62
US7903006B2Mar 8, 2011
Automatic power control system for optical disc drive and method thereof
MEDIATEK INC4 citations62
US7693011B2Apr 6, 2010
Wobble detection circuit and method for processing wobble signals
MEDIATEK INC5 citations62
US7991030B2Aug 2, 2011
Method for deriving precise control over laser power of an optical pickup unit, and associated automatic power calibration circuit
MEDIATEK INC2 citations58
US7706219B2Apr 27, 2010
Signal processing apparatus and method for an optical disc drive
MEDIATEK INC1 citations51
US7706238B2Apr 27, 2010
Laser power control system and method
MEDIATEK INC1 citations51
US7697399B2Apr 13, 2010
Power control system and related method
MEDIATEK INC0 citations51