Inventor
TACHI KATSUICHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TACHI KATSUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
24 patentsUS4175267ANov 20, 1979
Method and apparatus of inserting an address signal in a video signal
SONY CORP156 citations97
US4159480AJun 26, 1979
Method of inserting an address signal in a video signal
SONY CORP55 citations96
US4819087AApr 4, 1989
System for precisely editing audio signals on a videotape
SONY CORP29 citations92
US4318146AMar 2, 1982
Rotary head assembly
SONY CORP48 citations92
US4167759ASep 11, 1979
Apparatus for inserting an address signal in a frame of the vertical blanking period of a television signal
SONY CORP40 citations92
US4139870AFeb 13, 1979
Circuit for demodulating a pulse width modulated signal
SONY CORP26 citations82
US4139872AFeb 13, 1979
Video signal reproducing apparatus with a track searching arrangement
SONY CORP25 citations82
US4134130AJan 9, 1979
Method and apparatus of inserting an address signal in a video signal
SONY CORP30 citations82
US4210939AJul 1, 1980
Method and system for synchronizing the movement of plural recording media
SONY CORP24 citations80
US4839750AJun 13, 1989
Method and apparatus for recording and/or reproducing a PCM signal with asynchronous operation
SONY CORP13 citations74
US4423440ADec 27, 1983
Code signal reading apparatus
SONY CORP10 citations74
US4232347ANov 4, 1980
Video tape control time code reading
SONY CORP8 citations74
US5761349AJun 2, 1998
Apparatus for reading optical data from a motion picture film and a light source therefor
SONY CORP6 citations73
US5508761AApr 16, 1996
Apparatus for reproducing a digital pattern from motion picture film, and the motion picture film
SONY CORP8 citations73
US4963868AOct 16, 1990
Frame synchronizing method and system
SONY CORP10 citations70
US5463425AOct 31, 1995
Synchronizing apparatus for synchronizing audio signal with video signal
SONY CORP6 citations63
US4300171ANov 10, 1981
Magnetic recording medium direction sensing
SONY CORP5 citations63
US4237499ADec 2, 1980
Video tape control time code reading
SONY CORP6 citations63
US6188806B1Feb 13, 2001
Apparatus for reading optical data from a motion picture film and a light source therefor
SONY CORP1 citations62
US6028972AFeb 22, 2000
Apparatus for reading optical data from a motion picture film and a light source therefor
SONY CORP1 citations62
US4282552AAug 4, 1981
Apparatus for reproducing a video signal including an address signal when the video tape moves at various speeds
SONY CORP6 citations62
US4814902AMar 21, 1989
Apparatus for recording and/or reproducing with video and multiple audio rotary heads
SONY CORP3 citations61
US3956767AMay 11, 1976
Signal recording and/or reproducing apparatus with phase shifting to reduce signal amplitude at overlap points
SONY CORP0 citations41
US5608473AMar 4, 1997
Audio data readout device for motion picture film and clock generating device in motion picture film changeover system
SONY CORP0 citations38
SONY CINEMA PRODUCTS CORP
4 patentsUS5543868AAug 6, 1996
Method and apparatus of reproducing a digital signal recorded on a movie film
SONY CINEMA PRODUCTS CORP13 citations73
US6097255AAug 1, 2000
Phase locked loop circuit for eliminating impulses in output data which tend to produce malfunctions
SONY CINEMA PRODUCTS CORP4 citations62
US6016182AJan 18, 2000
Motion picture film and a technique for recording and/or reproducing data from such motion picture film
SONY CINEMA PRODUCTS CORP3 citations61
US5991003ANov 23, 1999
Synchronous control apparatus
SONY CINEMA PRODUCTS CORP6 citations61