Nagahara Junichi, Nashida Tatsushi, Nakano Hiroaki, Niijima Makoto, Sonoda Yumie, Kumagai Yoshiaki: Charging system in interactive on-line service. Sony, August 7, 1996: EP0725376-A2 (181 worldwide citation)

A charging method in interactive on-line service where a server and terminals of users are mutually connected by means of a transmission medium, and a predetermined service is provided from the server to the terminals via the transmission medium, and the fee for such service is collected from each u ...

Robert P Fitzgerald, Joseph S Barrera III, William J Bolosky, Richard P Draves Jr, Michael B Jones, Steven P Levi, Nathan P Myhrvold, Richard F Rashid, Garth A Gibson: Video on demand system comprising stripped data across plural storable devices with time multiplex scheduling. Microsoft Corporation, Seed and Berry, December 5, 1995: US05473362 (177 worldwide citation)

A scalable method and system for easily scheduling data transfer for a video-on-demand server system is provided. A strategy for locating available bandwidth and allocating available bandwidth to subscribers as needed is provided. The input/output bandwidth of storage devices that store data for vid ...

Yong Ho Son, Michael E Leimer: Method for providing scalable in-band and out-of-band access within a video-on-demand environment. DIVA Systems Corporation, Thomason Moser & Patterson, May 29, 2001: US06240553 (172 worldwide citation)

A method and apparatus for adapting in-band channel bandwidth and out-of-band channel bandwidth to incremental increases or decreases in subscriber populations within a video-on-demand system or digital services provided to subscribers within the video-on-demand system.

Steven J Reynolds, David M Rudnick, Joel G Hassell, Michael D Ellis: Program guide system with video window browsing. United Video Properties, Alexander Shvarts, Fish & Neave, May 13, 2003: US06563515 (170 worldwide citation)

An interactive television program guide system is provided in which a viewer may direct a television to simultaneously display a selected television program, a program guide display, and a program guide video window. A viewer may use the program guide video window to browse video of programs shown o ...

Shue Yu Kwan: Remote channel switching for video on demand service. AT&T Bell Laboratories, R B Anderson, April 27, 1993: US05206722 (170 worldwide citation)

VOD services are provided by providing at each subscriber location a switching apparatus (e.g., 23 of FIG. 2) which is remotely controlled from the head end (12) of the system. A set top box of each subscriber is provided with a single channel designation (X) for VOD reception. In response to a requ ...

Henry C DeBey: Method and apparatus for efficient transmissions of programs. Delta Beta, Pennie & Edmonds, December 23, 1997: US05701582 (168 worldwide citation)

A system and method of optimizing transmission of a program to multiple users over a distribution system, with particular application to video-on-demand for a CATV network. The system includes, at a head end of the CATV network a scheduling and routing computer for dividing the video program stored ...

Charu Chandra Aggarwal, Joel Leonard Wolf, Philip Shi Lung Yu: Permutation based pyramid block transmission scheme for broadcasting in video-on-demand storage systems. International Business Machines Corporation, Richard M Ludwin, Louis P Herzberg, May 12, 1998: US05751336 (167 worldwide citation)

Portions of multimedia program (presentation) are repetitively broadcast to receiving stations with subsequent portions being broadcast less frequently than preceding portions. Blocks of at least one of the portions are broadcast in varying permutations from one repetition to a next repetition. Furt ...

Bruce W Kostreski: Extended range video on demand distribution system. Bell Atlantic Network Services, Lowe Price LeBlanc & Becker, July 9, 1996: US05534912 (162 worldwide citation)

In a video on demand system utilizing asymmetric digital subscriber line (ADSL) interfaces, a plurality of video channels are arranged at a central office into ADSL format and, together with a provisioning channel, are multiplexed into a composite spectrum. This composite spectrum is then transmitte ...

Alan George Ganek, Louis Paul Herzberg, Antonio Ruiz, Barry Edward Willner: Hybrid video-on-demand based on a near-video-on-demand system. International Business Machines Corporation, Kevin M Jordan, October 28, 1997: US05682597 (161 worldwide citation)

A system and method for Video-on-Demand (VOD) satisfying the desire of `surfers`. The process entails a server operating in a standard NVOD mode, whereby it continuously sends multiple copies of each program on separate channels. Each copy is delayed by a staggered time interval. The invention provi ...

Mike L LaJoie, Joseph G Buehl, Haig H Krakirian, Stephen M Johnson, Ralph W Brown: Interactive program guide for designating information on an interactive program guide display. Time Warner Entertainment Company, Garry J Tuma, Fish & Neave, August 3, 2004: US06772433 (161 worldwide citation)

A system and method are provided for providing a full service cable television system. The cable system incorporates a digital and analog transmission architecture capable of delivering a high number of high quality television programs, advanced cable services, and online services to a subscriber&ap ...

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