1
John O Ryan: Method and apparatus for copy protection for various recording media. Macrovision Corporation, Gerow D Brill, April 30, 1996: US05513260 (193 worldwide citation)

A method and apparatus for copyright protection for various recording media such as compact discs (CDs) uses a combination of symmetrical and asymmetrical data encryption to permit the player to handle either copy-protected or non-copy-protected media, in a manner that is extremely difficult to comp ...


2
John O Ryan: Copy protection for hybrid digital video tape recording and unprotected source material. Macrovision Corporation, Skjerven Morrill MacPherson Franklin & Friel, May 24, 1994: US05315448 (174 worldwide citation)

A hybrid digital/analog video recorder prevents both analog and digital copying. The recorder (including a digital tape deck) inputs and outputs both analog and digital video signals. At the analog input, a detector detects conventional copy protection in the analog input video, and in response disa ...


3
John O Ryan: Radio receiver for information dissemenation using subcarrier. Macrovision Corporation, Norman R Klivans Jr, Gerow D Brill, Skjerven Morrill MacPherson Franklin & Friel, April 11, 1995: US05406626 (153 worldwide citation)

A radio receiver receives FM subcarrier transmissions, and stores the transmitted textual information in a random access memory. The information is typically news, weather, sports, entertainment or other information of interest. A user interface allows selection from the memory of the stored informa ...


4
Gregory C Copeland, John O Ryan: Method and apparatus for copy protection for various recording media using a video finger print. Macrovision Corporation, Gerow Brill, August 19, 1997: US05659613 (111 worldwide citation)

A method and apparatus for copyright protection for various recording media such as Digital Video Discs (DVDs) uses a combination of a Video Finger Print Signal and an Authenticating Signature to permit the player to handle either copy-protected or non-copy-protected media, in a manner that is diffi ...


5
Kordian Kurowski: Method and apparatus for selective block processing. Macrovision Corporation, George Almeida, April 22, 2003: US06553127 (94 worldwide citation)

Methods, devices and systems for embedding and detecting a watermark in a data stream, such as a video stream. A texture criterion is evaluated for each block of the data stream. The texture criterion measures a variation of selected characteristics associated with each element of the data stream, s ...


6
William J Wrobleski: Method and system for preventing the off screen copying of a video or film presentation. Macrovision Corporation, Gerow D Brill, January 25, 2000: US06018374 (72 worldwide citation)

A method and system for preventing a visible video copy being made of a projected image on a screen. In a theater environment, an image is projected upon a screen by a film projector or a video projector. A form of film piracy is accomplished by copying the image on the screen with a video camcorder ...


7
Gregory C Copeland: Apparatus for inserting blanked formatted fingerprint data (source ID, time/date) in to a video signal. Macrovision Corporation, Gerow D Brill, April 14, 1998: US05739864 (69 worldwide citation)

A method and apparatus for inserting source identification data into a video signal prior to its transmission, recording or display. The source identification data (Finger Print) is injected into the active picture area of a video signal without disturbing the viewing of the video signal and the dat ...


8
Daniel Putterman, Brad Dietrich, John Doornbos, Pedro Freitas: Methods and apparatus for implementing a remote application over a network. Macrovision Corporation, Stattler Johansen & Adeli, May 1, 2007: US07213228 (68 worldwide citation)

A user interface, operating on a display client, for an application program, operating on a remote computer, is implemented such that the division of functionality between the application program and the user interface does not require the application program to possess information regarding the dis ...


9
Daniel Putterman, Brad Dietrich, David Williams, Jeremy Toeman, Michael Shiloh, Keith Craigie, John Doornbos, Paul Novaes, Song Huang, Terry Barsoom, Pedro Freitas: Home media network. Macrovision Corporation, Andy T Pho, Macrovision Patent Department, August 11, 2009: US07574723 (61 worldwide citation)

According to one embodiment, a method is described. The method includes receiving a request at a control module from a first remote device to access media data from a storage management module and determining that a first user is requesting access to the data based upon a first remote identification ...


10
Ronald Quan: Wide frequency deviation voltage controlled crystal oscillator having plural parallel crystals. Macrovision Corporation, Skjerven Morrill MacPherson Franklin & Friel, July 20, 1993: US05229735 (61 worldwide citation)

A wide frequency deviation voltage controlled crystal oscillator includes a multiple section bandpass filter containing a plurality of crystal or ceramic elements. One embodiment includes a plurality of crystals which are connected into parallel conduction paths. The crystals have resonant frequenci ...