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System and method for detecting proper cleaning of people and items entering a controlled area

  • US 20070096930A1
  • Filed: 11/02/2005
  • Published: 05/03/2007
  • Est. Priority Date: 11/02/2005
  • Status: Abandoned Application
First Claim
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1. A method for determining whether an item has been washed prior to entering a controlled area, the method comprising:

  • physically associating the item with an RFID tag;

    logically associating an identity of the item with an identity of the RFID tag;

    detecting a presence of the RFID tag when the item enters the controlled area; and

    attempting to detect a presence of soap residue when the item enters the controlled area.

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