Inventor
CHENG YUH
TW23 patents
⚠️ This page may combine multiple inventors who share the name “CHENG YUH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEDIATEK INC
19 patentsUS7796480B2Sep 14, 2010
Apparatus and methods for light spot servo signal detection
MEDIATEK INC20 citations92
US7724090B2May 25, 2010
Loop control apparatus and method thereof
MEDIATEK INC8 citations84
US7236108B2Jun 26, 2007
Method and apparatus for data recovery
MEDIATEK INC18 citations83
US7263050B2Aug 28, 2007
Methods and systems for tuning write strategy parameters of an optical storage device
MEDIATEK INC8 citations72
US7911891B2Mar 22, 2011
Apparatus for controling servo signal gains of an optical disc drive and method of same
MEDIATEK INC3 citations62
US7697380B2Apr 13, 2010
Apparatus for detecting the wobble carrier frequency of an optical disk and method for same
MEDIATEK INC5 citations62
US7693011B2Apr 6, 2010
Wobble detection circuit and method for processing wobble signals
MEDIATEK INC5 citations62
US7606340B2Oct 20, 2009
Phase detection device and method thereof
MEDIATEK INC2 citations62
US7187629B2Mar 6, 2007
Method and related apparatus for deriving a tracking error signal
MEDIATEK INC2 citations62
US7693012B2Apr 6, 2010
Apparatus for demodulating address in pre-groove symbols and apparatus for decoding pre-pit symbols
MEDIATEK INC2 citations60
US7773480B2Aug 10, 2010
Device, method for processing RF signal, and optical disk drive utilizing the same
MEDIATEK INC1 citations52
US7684291B2Mar 23, 2010
Method and apparatus for blank detection of an optical disc
MEDIATEK INC0 citations52
US8369199B2Feb 5, 2013
Methods and systems for tuning at least one write strategy parameter of an optical storage device
MEDIATEK INC0 citations51
US7706219B2Apr 27, 2010
Signal processing apparatus and method for an optical disc drive
MEDIATEK INC1 citations51
US7345964B2Mar 18, 2008
Method and related apparatus for deriving a tracking error signal
MEDIATEK INC0 citations51
US7345963B2Mar 18, 2008
Method and related apparatus for deriving a tracking error signal
MEDIATEK INC0 citations51
US7254099B2Aug 7, 2007
Method and related apparatus for deriving a tracking error signal
MEDIATEK INC0 citations51
US7944784B2May 17, 2011
Land/groove track and pickup head movement direction detection
MEDIATEK INC0 citations50
US7804746B2Sep 28, 2010
Land/groove track and pickup head movement direction detection
MEDIATEK INC1 citations50