John O. Drewery — 14 Patents at British Broadcasting

John O. Drewery has been granted 14 US patents while listed as an inventor at British Broadcasting. The first was granted in 1980 and the most recent in November 2002. John O. Drewery ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John O. Drewery in Coulsdon, GB.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date
6486859	Color displays	Michael G. Croll	2002-11-26
5956091	Method of showing 16:9 pictures on 4:3 displays	Victor G. Devereux	1999-09-21
5426465	Television systems	—	1995-06-20
5333014	Non-sharp cut filters for assembling and splitting in Weston Clean PAL	Nicholas Dominic Wells	1994-07-26
4897716	Method and apparatus for adaptively displaying video signals	Arthur H. Jones	1990-01-30
4843468	Scanning techniques using hierarchical set of curves	—	1989-06-27
4322750	Television display system	Arthur V. Lord, Kenneth Hacking	1982-03-30
4322739	Processing of N.T.S.C. color television signals	Martin Weston	1982-03-30
4296434	Method of and apparatus for movement portrayal with a raster e.g. television, display	Richard Storey	1981-10-20
4288810	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	Richard Storey	1981-09-08
4249210	Video noise reduction system	Richard Storey	1981-02-03
4223341	Circuitry providing a delayed color television signal having luminance and chrominance components derived from adjacent lines	—	1980-09-16
4212028	Processing pal color television signals	—	1980-07-08
4194219	Noise reduction in electrical signals	—	1980-03-18

John O. Drewery — 14 Patents

Issued Patents All Time

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