Inventor
DREWERY JOHN O
12 patents
⚠️ This page may combine multiple inventors who share the name “DREWERY JOHN O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRITISH BROADCASTING CORP
10 patentsUS4843468AJun 27, 1989
Scanning techniques using hierarchical set of curves
BRITISH BROADCASTING CORP170 citations98
US4322739AMar 30, 1982
Processing of N.T.S.C. color television signals
BRITISH BROADCASTING CORP29 citations92
US4897716AJan 30, 1990
Method and apparatus for adaptively displaying video signals
BRITISH BROADCASTING CORP26 citations91
US4322750AMar 30, 1982
Television display system
BRITISH BROADCASTING CORP92 citations89
US4249210AFeb 3, 1981
Video noise reduction system
BRITISH BROADCASTING CORP25 citations81
US4194219AMar 18, 1980
Noise reduction in electrical signals
BRITISH BROADCASTING CORP11 citations73
US4296434AOct 20, 1981
Method of and apparatus for movement portrayal with a raster e.g. television, display
BRITISH BROADCASTING CORP17 citations72
US5333014AJul 26, 1994
Non-sharp cut filters for assembling and splitting in Weston Clean PAL
BRITISH BROADCASTING CORP8 citations70
US5426465AJun 20, 1995
Television systems
BRITISH BROADCASTING CORP3 citations62
US4288810ASep 8, 1981
Method of and apparatus for deriving a PAL color television signal corresponding to any desired field in an 8-field PAL sequence from one stored field or picture of a PAL signal
BRITISH BROADCASTING CORP6 citations61