1
Robert W Schumann, Siu Leong Iu, Kobad Bugwadia, Guillaume Mercier, Shiva Ramadoss, Michael Bergeron, Jack Ehrhardt: System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies. Digital Video Express, McDermott Will & Emery, September 4, 2001: US06285774 (198 worldwide citation)

To enable the source of an unauthorized copy of an information-bearing medium, such as a video DVD, to be traced, a compressed digital signal stream to be stored on the medium is altered to include “running marks,” that comprise pixel blocks changing in position frame by frame and encoded with infor ...


2
Robert Wilhelm Schumann, Richard Whittemore, David Mosche Goldschlag, David William Kravitz, Siu Leong Iu, Guillaume Mercier, Michael Bergeron, Jack Ehrhardt, Richard Vitkus: Digital content distribution system and method. Digital Video Express, David G Grossman, January 9, 2007: US07162642 (127 worldwide citation)

A content distribution system and method which prevents unauthorized access to secured content such as movies and music. The apparatus includes a source, a receiver, an authorized security device such as a conditional access module (CAM) for decrypting authorized content, an output device for output ...


3
Robert W Schumann, Michael Bergeron, Jo Janet Mikula, Jack Ehrhardt, Mark O Harrison Sr: Compressed video graphics system and methodology. Digital Video Express, Paul Devinsky, McDermott Will & Emery, June 20, 2000: US06078328 (44 worldwide citation)

Graphics in the same compressed digital format as that of a target video image are combined, on the fly, by an application. Combination is performed by frame modification or overlay techniques. In the preferred embodiment, the compressed video image format conforms to an MPEG-2 compression standard. ...


4
Robert Wilhelm Schumann, Richard Whittemore, David Moshe Goldschlag, David William Kravitz, Siu Leong Iu, Guillaume Mercier, Michael Bergeron, Jack Ehrhardt, Richard Vitkus: Digital content distribution system and method. Dolby Laboratories Licensing Corporation, April 13, 2010: US07698570 (26 worldwide citation)

A content distribution system and method which prevents unauthorized access to secured content such as movies and music. The system includes a source, a receiver, an authorized security device such as a conditional access module (CAM) for decrypting authorized content and an output device for output ...


5
Robert Wilhelm Schumann, Richard Whittemore, David Moshe Goldschlag, David William Kravitz, Siu Leong Iu, Guillaume Mercier, Michael Bergeron, Jack Ehrhardt, Richard Vitkus: Content packet distribution system. David G Grossman, June 6, 2002: US20020067914-A1 (2 worldwide citation)

A transport packet generation apparatus and method used in a system which delivers content such as movies and music is disclosed. This invention provides a mechanism for providing and retrieving content on a medium such as a DVD optical disc. One aspect of the present invention provides content by p ...


6
Robert Wilhelm Schumann, Richard Whittemore, David Moshe Goldschlag, David William Kravitz, Siu Leong Iu, Guillaume Mercier, Michael Bergeron, Jack Ehrhardt, Richard Vitkus: Digital content distribution system and method. David G Grossman, February 21, 2002: US20020021805-A1

A content distribution system and method which prevents unauthorized access to secured content such as movies and music. The apparatus includes a source, a receiver, an authorized security device such as a conditional access module (CAM) for decrypting authorized content, an output device for output ...


7
Robert Wilhelm Schumann, Richard Whittemore, David Moshe Goldschlag, David William Kravitz, Siu Leong Iu, Guillaume Mercier, Michael Bergeron, Jack Ehrhardt, Richard Vitkus: Digital Content Distribution System and Method. Digital Video Express, David Grossman, December 13, 2007: US20070286421-A1

A content distribution system and method which prevents unauthorized access to secured content such as movies and music. The system includes a source, a receiver, an authorized security device such as a conditional access module (CAM) for decrypting authorized content and an output device for output ...



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