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Automatic return to a high-definition mode after guide demonstration

  • US 8,743,285 B2
  • Filed: 07/24/2002
  • Issued: 06/03/2014
  • Est. Priority Date: 08/31/2001
  • Status: Active Grant
First Claim
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1. A television system, comprising:

  • an input for receiving signals including video content from one or more external sources, said signals being in one of a lower definition format and a higher definition format;

    circuitry for enabling display of said video content in one of a lower definition mode and a higher definition mode of said television system;

    circuitry for switching said television system between said lower definition mode and said higher definition mode;

    a memory for storing video content corresponding to an electronic program guide demonstration; and

    wherein said television system automatically switches from said higher definition mode to said lower definition mode in response to an activation of said electronic program guide demonstration while said signals received at said input are in said higher definition format and not in said lower definition format, and automatically switches back from said lower definition mode to said higher definition mode in response to one of said electronic program guide demonstration being completed and a predetermined time period having expired.

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