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System for scheduled caching of in-band data services

  • US 6,990,680 B1
  • Filed: 01/05/1998
  • Issued: 01/24/2006
  • Est. Priority Date: 01/05/1998
  • Status: Expired due to Term
First Claim
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1. A computerized-system for scheduled caching of in-band data broadcast in a channel comprising:

  • a real-time scheduling process; and

    a user initiated scheduling process operable to provide an interface for a user of a receiver for receiving the in-band data broadcast in the channel to determine a user selection of a scheduled broadcast time in the future and a channel for delivery of an electronic program guide in the in-band data broadcast, and for invoking the real-time scheduling process to schedule execution of a caching process at approximately the scheduled time, wherein the caching process is operable for determining if a scheduling conflict exists, for determining whether tuning circuitry has been powered-on and, if not, powering-on the tuning circuitry if no scheduling conflict exists, for instructing the tuner circuitry to tune to the scheduled channel, for receiving the electronic program guide data from the tuning circuitry regardless of the presence of a user, and for storing the in-band data for subsequent processing, whereby the information may subsequently be retrieved and viewed or used by the user.

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