Knox; Alistair J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Knox; Alistair J..The latest application filed is for "method for copy protection for video signal with added pulses".

Company Profile

0.2.8

Knox; Alistair J. - Woodley GB
Knox; Alistair J. - Reading Berk GB
Knox; Alistair J. - Reading Berks GB

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method For Copy Protection For Video Signal With Added Pulses App 20100021133 - WONFOR; Peter J. ; et al.	2010-01-28
Copy protection for video signal added pulses Grant 7,620,178 - Wonfor , et al. November 17, 2	2009-11-17
Video Copy Protection Process Enhancement To Introduce Horizontal And Vertical Picture Distortions App 20080025696 - Wonfor; Peter J. ; et al.	2008-01-31
Copy protection for video signal using narrowed horizontal synchronization signals and defeat of same App 20070211899 - Wonfor; Peter J. ; et al.	2007-09-13
Copy protection for video signal using added negative amplitude pulse App 20070211898 - Wonfor; Peter J. ; et al.	2007-09-13
Copy protection for video signal added pulses App 20070206794 - Wonfor; Peter J. ; et al.	2007-09-06
Copy protection for video signal using narrowed horizontal synchronization signals and amplitude modulation App 20060045266 - Wonfor; Peter J. ; et al.	2006-03-02
Method for modifying a copy protected video signal with a negative amplitude pulse App 20020018564 - Wonfor, Peter J. ; et al.	2002-02-14
Method and apparatus for modifying a video signal by back porch lowering App 20010026617 - Wonfor, Peter J. ; et al.	2001-10-04
Video copy protection process enhancement to introduce horizontal and vertical picture distortions Grant 5,583,936 - Wonfor , et al. December 10, 1	1996-12-10

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