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Robert Billing
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Crowthorne, GB
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last 30 patents
Information
Patent Grant
Digital video effects, apparatus and method
Patent number
6,239,846
Issue date
May 29, 2001
Questech Limited
Robert Billing
G11 - INFORMATION STORAGE
Information
Patent Grant
Accurate digital divider
Patent number
5,524,091
Issue date
Jun 4, 1996
Questech Limited
Robert Billing
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital video effects with image mapping on to curved surface
Patent number
5,293,233
Issue date
Mar 8, 1994
Questech Limited
Robert Billing
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital video effects apparatus for image transposition
Patent number
5,220,428
Issue date
Jun 15, 1993
Questech Limited
Robert Billing
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Recording and editing of moving television pictures
Patent number
5,153,726
Issue date
Oct 6, 1992
Questech Limited
Robert Billing
G11 - INFORMATION STORAGE
Information
Patent Grant
Error-correction of stored television signals
Patent number
5,067,133
Issue date
Nov 19, 1991
Questech Limited
Robert Billing
G11 - INFORMATION STORAGE
Information
Patent Grant
Processing of video image signals
Patent number
4,922,345
Issue date
May 1, 1990
Hugh Kendal Littlejohn Questech Limited
Nicholas Barton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing of video image signals
Patent number
4,918,530
Issue date
Apr 17, 1990
Questech Limited
Nicholas Barton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing of video image signals
Patent number
4,879,597
Issue date
Nov 7, 1989
Questech Limited
Nicholas Barton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing of video image signals
Patent number
4,847,691
Issue date
Jul 11, 1989
Questech Limited
Nicholas Barton
G06 - COMPUTING CALCULATING COUNTING