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
Joseph Eugene Oren, Robert W Schumann, Lisa S Walko, Kevin S McQueen: System and method for movie transaction processing. Digital Video Express, Paul Derinsky, McDermott Will & Emery, May 29, 2001: US06240401 (118 worldwide citation)

A system and method for tracking and processing transactions for such purposes as creating billing record and detecting possible fraudulent activities. The system and method relates to processing transactions associated with viewing movies, e.g. a video content distributed digitally on a digital vid ...


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 W Schumann, Gary L Wells: Digital apparatus for waveform measurement. Nicolet Instrument Corporation, Wayne A Sivertson, February 27, 1979: US04142146 (29 worldwide citation)

Digital instrumentation for waveform measurement including method and apparatus for providing irregularly spaced sampling times to prevent misleading visual patterns of coordinate points due to the presence of signal frequencies above the Nyquist frequency. The method and apparatus includes means fo ...


5
Robert W Schumann: Photoplotter. Nicolet Instrument Corporation, Kinney & Lange, February 19, 1985: US04500182 (9 worldwide citation)

A photoplotter wherein a relative movement is produced between a photosensitive media and a radiant energy pattern generated on the media. The relative movement is in accordance with a desired exposure trace on the media. A difference between actual and desired relative movement is detected and the ...


6
Richard A Vitkus, Scott B Baird, Robert W Schumann: System and method for implementing open and closed file systems on a storage medium. Paul Devinsky, McDermott Will & Emery, March 25, 2003: US06538969 (6 worldwide citation)

A structure and method are described that make it possible to store both open-format data and closed-format data on a single storage medium, such as a DVD disc, by organizing the data in an open file data system and a specialized closed file data system. The closed file data system may be encapsulat ...


7
Robert W Schumann: Computer graphics color film recording method and apparatus. Foley & Lardner, March 12, 1991: US04999791 (1 worldwide citation)

A colorgraphics recorder has a cathode ray tube with three parallel strips of light emitting phosphor, each emitting in one of the primary colors, with the light emitted from the phosphors focused on a film frame held in a film carrier. Each of the parallel strips of phosphor on the CRT can have a n ...



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