Inventor
TOKUHARA MASAHARU
JP29 patents
Patents
29 patentsUS5786872AJul 28, 1998
Motion detection circuit calculates difference between input video signal and one frame-period signal
SONY CORP71 citations95
US4862269AAug 29, 1989
Memory control apparatus
SONY CORP85 citations95
US5021870AJun 4, 1991
Interpolation of scan lines from video signals having interlaced scan lines
SONY CORP22 citations92
US7283174B2Oct 16, 2007
Video signal processing apparatus, video signal processing method and video source determining method
SONY CORP26 citations91
US4668974AMay 26, 1987
Digital scan converter
SONY CORP9 citations74
US4261016AApr 7, 1981
Television receiver
SONY CORP15 citations74
US4972259ANov 20, 1990
Adaptive comb filter circuit including a plurality of filters and a switching means which results in improved movement detection in television signals
SONY CORP18 citations73
US4673983AJun 16, 1987
Picture-in-picture television receivers
SONY CORP19 citations73
US4631589ADec 23, 1986
Dark level restoring circuit
SONY CORP15 citations73
US4587554AMay 6, 1986
CRT drive control circuit
SONY CORP18 citations73
US4322751AMar 30, 1982
Detector circuit for a television receiver
SONY CORP16 citations73
US4283792AAug 11, 1981
Automatic fine tuning circuit
SONY CORP7 citations73
US4263675AApr 21, 1981
AFT circuit
SONY CORP10 citations73
US4169248ASep 25, 1979
Oscillating circuit
SONY CORP11 citations73
US4156255AMay 22, 1979
Television receiver with synchronous detection and automatic fine tuning
SONY CORP8 citations73
US4275420AJun 23, 1981
Television receiver with a ghost detector
SONY CORP7 citations72
US5093715AMar 3, 1992
Adaptive comb filter for separating at least one component of a video signal
SONY CORP8 citations71
US5260786ANov 9, 1993
Non-interlace television for multi-color standards
SONY CORP16 citations70
US4996595AFeb 26, 1991
Flicker reduction apparatus
SONY CORP13 citations70
US5426470AJun 20, 1995
Luminance and chrominance signal separation circuit employing comparison of level detected signal with a reference level
SONY CORP9 citations68
US5475436ADec 12, 1995
Sampling rate converting system for converting the sampling rate of a video signal
SONY CORP6 citations62
US5227866AJul 13, 1993
Television receiver for extended definition video signal detects number of scan lines and controls signal processors
SONY CORP4 citations62
US4941046AJul 10, 1990
Signal processing circuit for a moving detection circuit which includes coefficient generator wherein a number of delay devices are connected in series with the first one receiving the output of a moving detection circuit and including a time base filter
SONY CORP3 citations62
US4238771ADec 9, 1980
Muting circuit
SONY CORP3 citations62
US4234963ANov 18, 1980
Synchronous detector particularly adapted for a video IF signal
SONY CORP5 citations62
US4163196AJul 31, 1979
Demodulating apparatus with phase shift compensation
SONY CORP6 citations62
US4110635AAug 29, 1978
Amplifying circuit
SONY CORP5 citations62
US4985701AJan 15, 1991
Time-division bit number conversion circuit
SONY CORP4 citations61
US4370676AJan 25, 1983
Carrier regenerating circuit for a synchronous detector
SONY CORP3 citations58