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Method and system for monitoring room activity

  • US 7,474,210 B2
  • Filed: 10/05/2007
  • Issued: 01/06/2009
  • Est. Priority Date: 01/10/2003
  • Status: Expired due to Fees
First Claim
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1. A method for monitoring room activity comprising the steps of:

  • providing a tray sensing device for sensing a tray in a vicinity of the tray sensing device, said tray sensing device adapted for communicating tray information of the presence of a tray to a tray controller;

    providing a door lock, said door lock being activated by a door lock card, said door lock adapted for communicating door lock information of said door lock card to a door lock/tag controller;

    providing a door tag, said door tag including an associated RFID tag, said RFID tag adapted for communicating door tag information of said RFID tag to said door lock/tag controller;

    a room controller receiving one or more of said tray information from said tray controller, said door lock information from said door lock/tag controller and said door tag information from said door lock/tag controller, and associating a room address with said tray information, said door lock information and said door tag information; and

    forwarding said associated room address and said tray information, said door lock information and said door tag information from said room controller to a central information system.

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