Inventor
KAMBARA MASAHIRO
9 patents
⚠️ This page may combine multiple inventors who share the name “KAMBARA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
8 patentsUS4163253AJul 31, 1979
Method of and apparatus for modifying a video signal to prevent unauthorized recording and reproduction thereof
SONY CORP98 citations95
US4100575AJul 11, 1978
Method of and apparatus for modifying a video signal to prevent unauthorized recording and reproduction thereof
SONY CORP86 citations95
US4283736AAug 11, 1981
Video signal reproducing apparatus for converting a video signal from a first format to a second format
SONY CORP34 citations92
US4148082AApr 3, 1979
Tracking control apparatus
SONY CORP47 citations92
US4141047AFeb 20, 1979
Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks
SONY CORP19 citations81
US4268875AMay 19, 1981
Avoidance of disturbance of horizontal sync signals in video signal reproduced at other than standard tape speed
SONY CORP16 citations73
US4141048AFeb 20, 1979
Video signal recording and/or reproducing apparatus
SONY CORP13 citations73
US4115820ASep 19, 1978
System for reproducing a video signal
SONY CORP4 citations62