Telecommunication system with video and audio frames
April 30, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3493674 3746780 3859458 Television information system Data communication system Videotex system Video subsystem for a hybrid videotex facility Cable television system selectively distributing pre-recorded video and audio messages Still picture transmission apparatus Telecommunication system with frame selected continuous audio signals InventorsAssigneeApplicationNo. 07/044393 filed on 04/30/1987US Classes:725/144, Headend348/484, Sound signal725/114, Server or headend725/131, Receiver (e.g., set-top box)725/151, Receiver (e.g., set-top box)725/87Video-on-demandExaminersPrimary: George, Keith E.Attorney, Agent or FirmInternational ClassH04N 1/00 (20060101)AbstractAn interactive system transfers video and audio information from a central facility to terminals by means of addressed television frames. Each audio frame includes information representing a single channel of time compressed audio. The terminals store correctly addressed frames. Video frames are repeatedly replayed to provide series of still-frame images. The audio frame is used to generate a normal speed audio output.Other References
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