Alistair J. Knox

Person

Woodley, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Copy protection for video signal added pulses
- Patent number 7,620,178
- Issue date Nov 17, 2009
- Macrovision Corporation
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video copy protection process enhancement to introduce horizontal a...
- Patent number 5,583,936
- Issue date Dec 10, 1996
- Macrovision Corporation
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR COPY PROTECTION FOR VIDEO SIGNAL WITH ADDED PULSES
- Publication number 20100021133
- Publication date Jan 28, 2010
- MACROVISION CORPORATION
- Peter J. WONFOR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIDEO COPY PROTECTION PROCESS ENHANCEMENT TO INTRODUCE HORIZONTAL A...
- Publication number 20080025696
- Publication date Jan 31, 2008
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Copy protection for video signal using narrowed horizontal synchron...
- Publication number 20070211899
- Publication date Sep 13, 2007
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Copy protection for video signal using added negative amplitude pulse
- Publication number 20070211898
- Publication date Sep 13, 2007
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Copy protection for video signal added pulses
- Publication number 20070206794
- Publication date Sep 6, 2007
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Copy protection for video signal using narrowed horizontal synchron...
- Publication number 20060045266
- Publication date Mar 2, 2006
- MACROVISION CORPORATION
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for modifying a copy protected video signal with a negative...
- Publication number 20020018564
- Publication date Feb 14, 2002
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for modifying a video signal by back porch low...
- Publication number 20010026617
- Publication date Oct 4, 2001
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Alistair J. Knox

Person

Patents Grantslast 30 patents

Copy protection for video signal added pulses

Video copy protection process enhancement to introduce horizontal a...

Patents Applicationslast 30 patents

METHOD FOR COPY PROTECTION FOR VIDEO SIGNAL WITH ADDED PULSES

VIDEO COPY PROTECTION PROCESS ENHANCEMENT TO INTRODUCE HORIZONTAL A...

Copy protection for video signal using narrowed horizontal synchron...

Copy protection for video signal using added negative amplitude pulse

Copy protection for video signal added pulses

Copy protection for video signal using narrowed horizontal synchron...

Method for modifying a copy protected video signal with a negative...

Method and apparatus for modifying a video signal by back porch low...