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Method and apparatus for sending presence messages

  • US 6,956,497 B1
  • Filed: 10/09/1998
  • Issued: 10/18/2005
  • Est. Priority Date: 10/09/1997
  • Status: Expired due to Term
First Claim
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1. An intentional presence system comprising:

  • a first device installed at a first physical location that is responsive to a command intentionally initiated by a first individual at the first physical location to develop a first presence signal intended for a second individual at a second physical location and to transmit the first presence signal over a first physical data line associated with the first physical location; and

    a second device installed at the second physical location which is configured to receive the first presence signal and display to the second individual in response to the first presence signal a first image indicating the first individual'"'"'s presence at the first physical location;

    wherein the first image is selected by the first individual, the first presence signal includes data that identifies the first image, and the first image is displayed to the second individual on a display surface associated with a lighting fixture installed at the second physical location.

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