Keith Lucas

Person

New Market, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for video watermarking
- Patent number 6,546,113
- Issue date Apr 8, 2003
- Leitch Technology International Inc.
- Keith Lucas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encryption and decryption (scrambling and unscrambling) of video si...
- Patent number 5,553,141
- Issue date Sep 3, 1996
- Scientific-Atlanta, Inc.
- John D. Lowry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for transmitting a plurality of digital services
- Patent number 5,400,401
- Issue date Mar 21, 1995
- Scientific-Atlanta, Inc.
- Anthony J. Wasilewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for generating a picture-in-picture digital t...
- Patent number 5,361,098
- Issue date Nov 1, 1994
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for selecting reproduction quality of transmitted vector qua...
- Patent number 5,247,348
- Issue date Sep 21, 1993
- Scientific-Atlanta, Inc.
- Paul D. Israelsen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Motion filter for digital television system
- Patent number 5,237,413
- Issue date Aug 17, 1993
- Scientific-Atlanta, Inc.
- Paul D. Israelsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for low frequency removal in vector quantization
- Patent number 5,235,418
- Issue date Aug 10, 1993
- Scientific-Atlanta, Inc.
- Keith Lucas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for transforming between fixed-rate vector qua...
- Patent number 5,231,485
- Issue date Jul 27, 1993
- Scientific-Atlanta, Inc.
- Paul D. Israelsen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vector quantization method employing mirrored input vectors to sear...
- Patent number 5,204,899
- Issue date Apr 20, 1993
- Scientific-Atlanta, Inc.
- Paul D. Israelsen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High definition B-MAC television signal transmission system
- Patent number 5,053,859
- Issue date Oct 1, 1991
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scan converter for a high definition television system
- Patent number 4,989,091
- Issue date Jan 29, 1991
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for increasing the definiton of an NTSC video...
- Patent number 4,965,661
- Issue date Oct 23, 1990
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling copying of protected information transmitted...
- Patent number 4,890,319
- Issue date Dec 26, 1989
- Scientific-Atlantic, Inc.
- Nigel Seth-Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications format for a subscription television system permitti...
- Patent number 4,890,321
- Issue date Dec 26, 1989
- Scientific-Atlanta, Inc.
- Nigel Seth-Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information display scheme for subscribers of a subscription televi...
- Patent number 4,885,775
- Issue date Dec 5, 1989
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for increasing the vertical definition of a tr...
- Patent number 4,866,519
- Issue date Sep 12, 1989
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for communication of video, audio, teletext, a...
- Patent number 4,866,770
- Issue date Sep 12, 1989
- Scientific-Atlanta, Inc.
- Nigel Seth-Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication of individual messages to subscribers in a subscripti...
- Patent number 4,829,569
- Issue date May 9, 1989
- Scientific-Atlanta, Inc.
- Nigel Seth-Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error detection and concealment using predicted signal values
- Patent number 4,719,642
- Issue date Jan 12, 1988
- Scientific-Atlanta, Inc.
- Keith Lucas
- G11 - INFORMATION STORAGE
Information Patent Grant
Frequency generation for multiplexed analog component color televis...
- Patent number 4,652,903
- Issue date Mar 24, 1987
- Scientific-Atlanta, Inc.
- Keith Lucas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for creating encrypted and decrypted televisio...
- Patent number 4,642,688
- Issue date Feb 10, 1987
- Scientific-Atlanta, Inc.
- John D. Lowry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Keith Lucas

Person

Patents Grantslast 30 patents

Method and apparatus for video watermarking

Encryption and decryption (scrambling and unscrambling) of video si...

System and method for transmitting a plurality of digital services

Methods and apparatus for generating a picture-in-picture digital t...

Method for selecting reproduction quality of transmitted vector qua...

Motion filter for digital television system

Method and apparatus for low frequency removal in vector quantization

Method and apparatus for transforming between fixed-rate vector qua...

Vector quantization method employing mirrored input vectors to sear...

High definition B-MAC television signal transmission system

Scan converter for a high definition television system

Method and apparatus for increasing the definiton of an NTSC video...

Method for controlling copying of protected information transmitted...

Communications format for a subscription television system permitti...

Information display scheme for subscribers of a subscription televi...

Method and apparatus for increasing the vertical definition of a tr...

Method and apparatus for communication of video, audio, teletext, a...

Communication of individual messages to subscribers in a subscripti...

Error detection and concealment using predicted signal values

Frequency generation for multiplexed analog component color televis...

Method and apparatus for creating encrypted and decrypted televisio...