Interactive system and method for the control of video playback devices
Patent 4422105 Issued on December 20, 1983. Estimated Expiration Date: 
December 20, 2000. 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.
December 20, 2000. 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 ReferencesInventorsAssigneeApplicationNo. 06/192227 filed on 09/30/1980US Classes:386/83, Including programmable apparatus348/552, COMBINED WITH DIVERSE ART DEVICE (E.G., COMPUTER, TELEPHONE)360/72.1, Locating specific areas360/72.2, Responsive to recorded address386/96, Audio signal715/723, For video segment editing or sequencing715/978AUDIO INTERACTION AS PART OF AN OPERATOR INTERFACEExaminersPrimary: Gruber, Felix D.Attorney, Agent or FirmInternational ClassesG09B 5/00 (20060101)G09B 5/06 (20060101) G09B 7/00 (20060101) H04N 5/765 (20060101) G09B 7/08 (20060101) G09B 5/02 (20060101) AbstractThe invention provides an interactive system and method for the control of video playback devices such as video tape recorders. The system allows user interaction with a prerecorded program which includes live video displays and alphanumeric displays. The user can select the program desired and also inputs answers to specific questions asked by the program. A standard video playback device is modified by the addition of a small computer and memory circuit, and character display circuitry. The invention operates the video playback device to produce a video output. Prerecorded program information includes data dumps interspersed with video display segments and the data in the data dumps is recovered by a data recovery circuit. The computer then commands the video playback device to access different portions of the recorded video program in response to user input and the operating instructions provided by the data recovered.Other References
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