Peter J. Wonfor

Person

El Granada, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for reducing and restoring the effectiveness o...
- Patent number 9,060,182
- Issue date Jun 16, 2015
- Rovi Solutions Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing and restoring the effectiveness o...
- Patent number 8,254,756
- Issue date Aug 28, 2012
- Macrovision Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing copy protection using a transmit...
- Patent number 8,250,597
- Issue date Aug 21, 2012
- Rovi Solutions Corporation
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Method and apparatus for providing copy protection using a transmit...
- Patent number 7,395,545
- Issue date Jul 1, 2008
- Macrovision Corporation
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing and restoring the effectiveness o...
- Patent number 7,298,962
- Issue date Nov 20, 2007
- Macrovision Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling copy protection in digital video networks
- Patent number 6,381,747
- Issue date Apr 30, 2002
- Macrovision Corp.
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,608,799
- Issue date Mar 4, 1997
- Macrovision Corporation
- John O. Ryan
- 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
Information Patent Grant
Method and apparatus for vertically scrambling and descrambling of...
- Patent number 5,579,390
- Issue date Nov 26, 1996
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling
- Patent number 5,504,815
- Issue date Apr 2, 1996
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and descrambling of video signa...
- Patent number 5,438,620
- Issue date Aug 1, 1995
- Macrovision Corporation
- John O. Ryan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR REDUCING AND RESTORING THE EFFECTIVENESS O...
- Publication number 20150256901
- Publication date Sep 10, 2015
- Rovi Solutions Corporation
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR REDUCING AND RESTORING THE EFFECTIVENESS O...
- Publication number 20130058629
- Publication date Mar 7, 2013
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Method and apparatus for providing copy protection using a transmit...
- Publication number 20080178235
- Publication date Jul 24, 2008
- Peter J. Wonfor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for reducing and restoring the effectiveness o...
- Publication number 20080044154
- Publication date Feb 21, 2008
- Ronald Quan
- 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
Method and apparatus for enhanced audio/video services with waterma...
- Publication number 20060195696
- Publication date Aug 31, 2006
- MACROVISION CORPORATION
- Mark A. Hollar
- 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 and apparatus for enhanced audio/video services with two wat...
- Publication number 20050135614
- Publication date Jun 23, 2005
- Mark A. Hollar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for reducing and restoring the effectiveness o...
- Publication number 20040228605
- Publication date Nov 18, 2004
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for providing copy protection using a transmit...
- Publication number 20020172362
- Publication date Nov 21, 2002
- 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

Peter J. Wonfor

Person

Patents Grantslast 30 patents

Method and apparatus for reducing and restoring the effectiveness o...

Method and apparatus for reducing and restoring the effectiveness o...

Method and apparatus for providing copy protection using a transmit...

Copy protection for video signal added pulses

Method and apparatus for providing copy protection using a transmit...

Method and apparatus for reducing and restoring the effectiveness o...

Method for controlling copy protection in digital video networks

Method and apparatus for scrambling and descrambling of video signa...

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

Method and apparatus for vertically scrambling and descrambling of...

Method and apparatus for scrambling and descrambling

Method and apparatus for scrambling and descrambling of video signa...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR REDUCING AND RESTORING THE EFFECTIVENESS O...

METHOD AND APPARATUS FOR REDUCING AND RESTORING THE EFFECTIVENESS O...

METHOD FOR COPY PROTECTION FOR VIDEO SIGNAL WITH ADDED PULSES

Method and apparatus for providing copy protection using a transmit...

Method and apparatus for reducing and restoring the effectiveness o...

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

Method and apparatus for enhanced audio/video services with waterma...

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

Method and apparatus for enhanced audio/video services with two wat...

Method and apparatus for reducing and restoring the effectiveness o...

Method and apparatus for providing copy protection using a transmit...

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

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