Communications system having receivers which can be addressed in

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

358141, 358146, 358147, 358 84, 34082547, H04N 708, H04N 7087

Patent

active

049165399

ABSTRACT:
A communications system having programmable, addressable receivers that receive, store, process and send digital and conventional video, audio and control signals for use in, among other things, a cable video network. Receivers in this system may receive conventional audio and composite video and digital data signals from sources such as a satellite transponder and video and audio from local sources. The digital data may be processed into textual video data by character generation techniques, as may be other digital data received from a local keyboard, local weather sensors or other digital data communications interfaces. The receivers may be addressed in units or groups for purposes of receiving individually, locally or regionally tailored text information and are typically controlled simultaneously from one control source. The receivers may also be addressed and controlled in classes that do not correspond to such hierarchical structure. The system of the preferred embodiment is particularly well adapted for a weather cable network, since it fulfills the needs of data consumers throughout a large geographic area to have continual, current local and national weather information.

REFERENCES:
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patent: 4761646 (1988-08-01), Choquet et al.
British Broadcasting Corporation, Independent Broadcasting Authority and British Radio Equipment Manufacturer's Association, "Broadcast Teletext Specification," Sep. 1976, United Kingdom (27 pp.).
Colormax Electronic Corp., "Colormax-Cable Captioning-16,000,000 Subs Need it!"(3 pp.).
Group W. Satellite Communications, Westinghouse Broadcasting Co., Inc., "7609 Sat-A-Dat Decoder/Controller" (2 pp.).
Document entitled "Teletext Timing Chain Circuit," Aug. 1978 (9 pp.).
Document entitled "Teletext Video Processor," Dec. 1979 (9 pp.).
Document entitled "Teletext Acquisition and Control Circuit," Jun. 1980 (16 pp.).
Signetics Corp., "Philips I.C. Product Line Summary, May 1981." (pp. 1, 15 and 16).
Wegener Communications, Inc., "Asynchronous Data Transmission System-Series 2100 VIDATA" (2 pp.).
Zenith Radio Corporation, "VIRTEXT" (7 pp.).

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