David J. Duffield — 35 Patents at Thomson Consumer Electronics

David J. Duffield has been granted 35 US patents while listed as an inventor at Thomson Consumer Electronics. The first was granted in 1990 and the most recent in August 2014. David J. Duffield ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list David J. Duffield in Indianapolis, IN, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8813113	Method and system for adding a conditional access system	Jean-Louis Diascorn, Ahmet Mursit Eskicioglu	2014-08-19
8358384	Reduced rainbow artifacts in digital light projection systems	—	2013-01-22
8332657	Global copy protection system for digital home networks	Ahmet Mursit Eskicioglu, David Emery Virag, Michael Scott Deiss, Billy Wesley Beyers, Jr.	2012-12-11
8024752	Method and apparatus for permitting unconfirmed viewing time with addressable pay TV	—	2011-09-20
7936898	Watermarking of motion picture prints	William Bennett Hogue, Jr.	2011-05-03
7551837	Sequence counter for an audio visual stream	—	2009-06-23	$185,000
7469420	Key transport tamper protection	Mark Alan Schulz, Michael Scott Deiss	2008-12-23	$105,000
7420649	Theater identification system utilizing identifiers projected through a screen	Mark Alan Schultz, Michael Allan Sterling	2008-09-02	$407,000
7356848	System and method of verifying authorization for communicating protected content	Michael Scott Deiss	2008-04-08	$341,000
7318099	Method and apparatus for controlling the distribution of digitally encoded data in a network	Thomas Anthony Stahl, Eric Stephen Carlsgaard	2008-01-08	$491,000
7295281	System and method for adaptive marking and coding of film prints	Ion Vizireanu, Mike Arthur Derrenberger, Yousef Wasef Nijim	2007-11-13	$498,000
7289644	Anti-piracy coding of motion pictures	William Bennett Hogue, Jr.	2007-10-30	$675,000
7254236	Method and system for handling two CA systems in a same receiver	Ahmet Mursit Eskicioglu, Michael Scott Deiss, Jean-Louis Diascorn	2007-08-07	$682,000
6970068	Apparatus and associated method for limiting access of information transferred between an electronic security device and a host device	Michael Anthony Pugel, Robert J. Ramspacher	2005-11-29	$917,000
5640502	Bit-mapped on-screen-display device for a television receiver	Michael Dwayne Knox, Aaron Hal Dinwiddie, Paul D. Filliman	1997-06-17
5617146	System for controlling updates of extended data services (EDS) data	Michael Landis, Gabriel Alfred Edde	1997-04-01
5486871	Automatic letterbox detection	Paul D. Filliman, Nathaniel H. Ersoz, Timothy W. Saeger, Karl Francis Horlander	1996-01-23
5461427	Television receiver having the capability to associate any HDTV and any NTSC channel	Robert D. Altmanshofer	1995-10-24
5453796	Signal swap apparatus for a television receiver having an HDTV main picture signal processor and an NTSC Pix-in-Pix signal processor	Robert D. Altmanshofer	1995-09-26
5451953	Programmable remote control unit without extra key for configuration	—	1995-09-19
5398074	Programmable picture-outside-picture display	Gene Harlow Johnson	1995-03-14
5386247	Video display having progressively dimmed video images and constant brightness auxiliary images	Kirk E. Shafer, Aaron Hal Dinwiddie	1995-01-31
5363143	Side by side picture display with reduced cropping	—	1994-11-08
5294987	Field to field vertical panning system	Timothy W. Saeger	1994-03-15
5194954	Automatic channel sampling picture-in-picture circuitry	—	1993-03-16

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David J. Duffield — 35 Patents

Issued Patents All Time

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