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Telecasting service for providing video programs on demand with an interactive interface for facilitating viewer selection of video programs

  • US 5,619,249 A
  • Filed: 09/14/1994
  • Issued: 04/08/1997
  • Est. Priority Date: 09/14/1994
  • Status: Expired due to Term
First Claim
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1. For use in an interactive telecasting system for telecasting programing to viewers, the interactive telecasting system including a telecasting facility capable of providing immediate response to subscription requests and program selections from viewers, wherein:

  • each viewer is identified bv an identifier,a subscribing viewer can, without resubscribing, select from among a plurality of programs for immediate viewing on a display, anda non-subscribing viewer can immediately become a subscribing viewer, a program selection system comprising;

    memory for storing (1) a list of programs available for selection, (2) a respective segment of each of said programs in said list, and (3) a list of identifiers corresponding to subscribing viewers;

    a display generator for displaying on said display (1) said list and (2) representations of viewer actuators for manipulating said list and selecting a program from said list;

    a viewer control unit for transmitting said viewer identifier and for engaging at viewer command a desired one of said actuators;

    wherein;

    at least a first one of said actuators selects one of said programs from said list;

    a second one of said actuators causes said selected one of said programs to be displayed; and

    a third one of said actuators causes one of said segments, corresponding to said selected one of said programs, to be displayed;

    whereby;

    after selecting one of said programs from said list using said first actuator, and before causing said selected one of said programs to be displayed using said second actuator, both subscribing and non-subscribing viewers can preview said selected one of said programs by using said third actuator to cause said one of said segments, corresponding to said selected one of said programs, to be displayed, andwhile said list is being displayed or while said one of said segments, corresponding to said selected one of said programs, is being displayed, each subscribing viewer can use said second actuator to cause said selected one of said programs to be displayed;

    a validator for comparing said transmitted identifier to said list of identifiers corresponding to subscibing viewers and for preventing display of said selected one of said programs when said transmitted identifier fails to match any identifier on said list of identifiers, wherein said validator generates a reject signal when a viewer is not a subscribing viewer;

    an interceptor for displaying a message on said display, responsive to said reject signal, for informing a non-subscribing viewer that only a subscribing viewer can initiate display of said selected one of said programs and instructing said non-subscribing viewer to actuate said viewer control unit to become a subscribing viewer, and when said viewer control unit is actuated according to said message, said viewer control unit transmits a subscription signal and an identifier corresponding to said non-subscribing viewer; and

    a subscription processor for receiving said subscription signal and said identifier corresponding to a non-subscribing viewer, and for adding said identifier to said list of identifiers identifying said subscribing viewers.

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