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Identification tag for real-time location of people

  • US 20030090386A1
  • Filed: 11/13/2001
  • Published: 05/15/2003
  • Est. Priority Date: 11/13/2001
  • Status: Active Grant
First Claim
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1. A user identifier for communication with a locator system in a defined environment, comprising:

  • a long-range transmitter adapted to transmit an identification signal to one or more readers in said defined environment, said identification signal being associated with a particular user; and

    a short-range passive component having identification information adapted to be read by a locator station.

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