Inventor · disambiguated record
John O. Drewery
Also filed as: DREWERY JOHN · DREWERY JOHN O · DREWERY JOHN OLIVER
15 granted patents·1 pending application·507 citations·filing 1976–2024
94Inventor score
Top patents by PatentIndex Score
16 records- 0196US4843468AScanning techniques using hierarchical set of curvesBRITISH BROADCASTING CORP·Filed 1987·Granted Jun 27, 1989·170 cites·14 claims
- 0292US4058836ANoise reduction in television signalsMARCONI CO LTD·Filed 1976·Granted Nov 15, 1977·65 cites·9 claims
- 0387US4322750ATelevision display systemBRITISH BROADCASTING CORP·Filed 1980·Granted Mar 30, 1982·92 cites·15 claims
- 0482US2024332943A1Voltage Transient Detector and Current Transient DetectorLAM RES CORP·Filed 2024·Application pending·0 cites
- 0581US4322739AProcessing of N.T.S.C. color television signalsBRITISH BROADCASTING CORP·Filed 1980·Granted Mar 30, 1982·29 cites·6 claims
- 0681US4249210AVideo noise reduction systemBRITISH BROADCASTING CORP·Filed 1979·Granted Feb 3, 1981·25 cites·7 claims
- 0772US4897716AMethod and apparatus for adaptively displaying video signalsBRITISH BROADCASTING CORP·Filed 1987·Granted Jan 30, 1990·26 cites·7 claims
- 0871US4296434AMethod of and apparatus for movement portrayal with a raster e.g. television, displayBRITISH BROADCASTING CORP·Filed 1979·Granted Oct 20, 1981·17 cites·22 claims
- 0959US4212028AProcessing pal color television signalsMARCONI CO LTD·Filed 1978·Granted Jul 8, 1980·11 cites·8 claims
- 1058US4194219ANoise reduction in electrical signalsBRITISH BROADCASTING CORP·Filed 1978·Granted Mar 18, 1980·11 cites·54 claims
- 1156US4223341ACircuitry providing a delayed color television signal having luminance and chrominance components derived from adjacent linesBRITISH BROADCASTING CORP OF B·Filed 1979·Granted Sep 16, 1980·11 cites·32 claims
- 1255US5956091AMethod of showing 16:9 pictures on 4:3 displaysBRITISH BROADCASTING CORP·Filed 1997·Granted Sep 21, 1999·21 cites·13 claims
- 1345US4288810AMethod 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 signalBRITISH BROADCASTING CORP·Filed 1979·Granted Sep 8, 1981·6 cites·15 claims
- 1444US6486859B1Color displaysBRITISH BROADCASTING CORP·Filed 1999·Granted Nov 26, 2002·12 cites·21 claims
- 1543US5333014ANon-sharp cut filters for assembling and splitting in Weston Clean PALBRITISH BROADCASTING CORP·Filed 1992·Granted Jul 26, 1994·8 cites·18 claims
- 1632US5426465ATelevision systemsBRITISH BROADCASTING CORP·Filed 1991·Granted Jun 20, 1995·3 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →