Television – Special applications – Manufacturing
Patent
1994-12-23
1999-12-21
Grant, Chris
Television
Special applications
Manufacturing
455 42, H04N 7173
Patent
active
060055995
ABSTRACT:
In a video storage and delivery apparatus and corresponding system, video data items are simultaneously supplied to a plurality of users while guaranteeing the time axis and the picture quality of the video data. The apparatus includes a frame address table which indicates a storage location in the apparatus of each frame of video data to start a special reproduction or a reproduction at a desired frame and a control unit controlling a switch bus connecting a plurality of video storage and delivery apparatuses to a plurality of channels so as to conduct data transfers via the switch bus between the apparatuses and between video reproduction devices of the users. From an optical disk data storage storing video data, a plurality of video data items are read in a timesharing fashion to be temporarily stored in a magnetic disk device or a semiconductor memory, thereby delivering the video data items therefrom to the users.
REFERENCES:
Communications of the ACM, "The Internet and Interactive Television", L. Press, Dec., No. 12, New York, U.S.
International Conference on Communications, "A Store-And-Forward Architecture for Video-On-Demand Service", A.D. Gelman, et al., vol. 2 of 3, Jun. 23-26, 1991, Sheraton-Denver Technological Center.
Globecom '90, IEEE Global Telecommunications Conference & Exhibition, "Video on Demand: Is It Feasible?", W.D. Sincoskie, et al, vol. 1 of 3, Dec. 2 to Dec. 5, 1990.
IEEE Communications Magazine, "Interactive Video on Demand", D. Deloddere, et al., May 1994, No. 5, New York, U.S.
Asai Mitsuo
Hayashi Takehisa
Igawa Masaru
Saito Atsushi
Sato Mikiko
Grant Chris
Hitachi , Ltd.
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