Inventor
CHANG YI-SHU
TW26 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YI-SHU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
REALTEK SEMICONDUCTOR CORP
23 patentsUS7697697B2Apr 13, 2010
Apparatus for automatic identification of audio input/output device and method thereof
REALTEK SEMICONDUCTOR CORP20 citations89
US7106118B2Sep 12, 2006
Clock signal generator with low power comsumption function and method thereof
REALTEK SEMICONDUCTOR CORP18 citations83
US7102448B2Sep 5, 2006
Phase frequency detector used in phase locked loop
REALTEK SEMICONDUCTOR CORP13 citations83
US7636131B2Dec 22, 2009
Video data processing method and apparatus for processing video data
REALTEK SEMICONDUCTOR CORP15 citations81
US10643298B2May 5, 2020
Video processing system and processing chip
REALTEK SEMICONDUCTOR CORP2 citations72
US7249275B2Jul 24, 2007
Clock generating device and method for executing overclocking operation
REALTEK SEMICONDUCTOR CORP8 citations70
US7071702B2Jul 4, 2006
Multi-jack detector
REALTEK SEMICONDUCTOR CORP7 citations67
US7257036B2Aug 14, 2007
Method and apparatus for storage device read phase auto-calibration
REALTEK SEMICONDUCTOR CORP6 citations65
US10937120B2Mar 2, 2021
Video processing system and processing chip
REALTEK SEMICONDUCTOR CORP1 citations61
US7675576B2Mar 9, 2010
Video processing apparatus and method thereof
REALTEK SEMICONDUCTOR CORP3 citations60
US6911927B2Jun 28, 2005
Over-sampling digital-to-analog converter with variable sampling frequencies
REALTEK SEMICONDUCTOR CORP3 citations60
US7084687B2Aug 1, 2006
Phase swallow device and signal generator using the same
REALTEK SEMICONDUCTOR CORP2 citations58
US7583324B2Sep 1, 2009
Video data processing method and apparatus for processing video data
REALTEK SEMICONDUCTOR CORP3 citations57
US7242735B2Jul 10, 2007
Data recovery system and the method thereof
REALTEK SEMICONDUCTOR CORP5 citations57
US7194097B2Mar 20, 2007
Audio control device
REALTEK SEMICONDUCTOR CORP5 citations56
US7181028B2Feb 20, 2007
Audio converting device and converting method thereof
REALTEK SEMICONDUCTOR CORP0 citations50
US7831751B2Nov 9, 2010
System and method for programming a display controller chip
REALTEK SEMICONDUCTOR CORP1 citations49
US12470749B1Nov 11, 2025
Image decoding apparatus and method
REALTEK SEMICONDUCTOR CORP0 citations48
US12470737B1Nov 11, 2025
Image decoding apparatus and method
REALTEK SEMICONDUCTOR CORP0 citations48
US11800054B2Oct 24, 2023
Multimedia audio/video system
REALTEK SEMICONDUCTOR CORP0 citations48
US7492413B2Feb 17, 2009
Data receiving apparatus and method in a VBI receiver
REALTEK SEMICONDUCTOR CORP0 citations48
US7310400B2Dec 18, 2007
Data recovery device and method
REALTEK SEMICONDUCTOR CORP0 citations41
US7583323B2Sep 1, 2009
Method and apparatus for scaling image block
REALTEK SEMICONDUCTOR CORP0 citations37