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Digital communication system with security features

  • US 7,956,723 B2
  • Filed: 04/14/2010
  • Issued: 06/07/2011
  • Est. Priority Date: 03/21/2006
  • Status: Active Grant
First Claim
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1. An electronic communication system for distributing ongoing content and override content to a plurality of display units, the system comprising:

  • a display controller for logically dividing a display area of said display units into a plurality of regions, with at least a first region displaying ongoing content, and at least a second region displaying advertising content;

    an override controller for receiving an override control signal and for retrieving override content from an override media source; and

    a content distribution controller for controlling ongoing content for dissemination to the display units; and

    , on receipt of the override control signal from the override controller, overriding the ongoing content displayed in at least the first region of at least one of said display units by displaying the override content in at least the first region.

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