Video input switching and signal processing apparatus

  • US 9,094,694 B2
  • Filed: 07/01/2014
  • Issued: 07/28/2015
  • Est. Priority Date: 06/08/1995
  • Status: Expired due to Fees
First Claim
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1. A video viewing system, comprising:

  • a system controller and a display device disposed at a viewer location;

    an input for receiving information at the system controller regarding a viewing preference;

    a video program switching unit controlled by the system controller;

    a plurality of video program inputs to the video program switching unit, including a first input for receiving a primary digital video program with a pointer to a second input carrying supplemental information directly related to the primary digital video program; and

    wherein the controller is operative to perform the following functions;

    (a) display the primary digital video program on the display device and, upon the occurrence of the pointer in the primary digital video program,(b) cause the video program switching unit to automatically display the supplemental information on the display device without any operator intervention in accordance with the viewing preference.

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