Richard G. C. Williams

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Suffolk, GB

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Patents Grantslast 30 patents

Information Patent Grant
Frame synchronization for QAM
- Patent number 5,623,516
- Issue date Apr 22, 1997
- British Telecommunications public limited company
- John D. Brownlie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital modulation using QAM with multiple signal point constellati...
- Patent number 5,598,435
- Issue date Jan 28, 1997
- British Telecommunications public limited company
- Richard G. C. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
TCM scheme with fractional bit rates, framing signals and constella...
- Patent number 5,493,586
- Issue date Feb 20, 1996
- British Telecommunications public limited company
- John D. Brownlie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coded QAM system
- Patent number 5,448,592
- Issue date Sep 5, 1995
- British Telecommunications public limited company
- Richard G. C. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE