U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Dedicated channel interactive cable television system

Patent 4264924 Issued on April 28, 1981. Estimated Expiration Date: Icon_subject August 13, 1999. 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

2777901

2826828

2908767

2921385

3020360

3194845

3245157

3255536

3273260

3284923

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Inventor

Application

No. 06/066161 filed on 08/13/1979

US Classes:

725/138, Headend348/484, Sound signal725/139Receiver (e.g., set-top box)

Examiners

Primary: Britton, Howard W.

Attorney, Agent or Firm

International Classes

G09B 7/00 (20060101)
H04N 7/00 (20060101)
H04N 7/10 (20060101)
G09B 7/073 (20060101)
G09B 7/077 (20060101)
G11B 27/02 (20060101)
H04N 7/16 (20060101)

Abstract

An interactive cable television system, such as a one-way system, in which a plurality of subscribers are simultaneously provided with multi-information television programming and regular television programming independently selectably directly receivable by the individual subscribers on the television reception channels of a conventional multichannel television receiver. The multi-information television programming comprises a plurality of different program information message signals related in time and content to each other and each transmitted at a different associated communication frequency which corresponds to a different television reception channel associated frequency, with regular television programming being simultaneously provided at one or more further different television reception channel frequency. Video information corresponding to labels to be dynamically assigned to the various television reception channels associated with the multi-information television programming is provided in the multi-information packet, which labels are varied in accordance with the content of the packet. A plurality of successive individual packets and the various program information message signals contained therein may be related to each other in a decision tree relationship in a memory accumulation program format capable of providing individually tailored messages to the individual subscribers, or in a story formulation program format enabling independent story creation by the individual subscribers or in a real time limited memory type of format responsive to prior selections of the individual subscribers or in any other type of interactive conversational type of programming.

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