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Electronic locating systems

  • US 20020130775A1
  • Filed: 05/14/2002
  • Published: 09/19/2002
  • Est. Priority Date: 06/07/1995
  • Status: Active Grant
First Claim
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1. A system for locating an object comprising:

  • a transmitter for transmitting of an electromagnetic interrogation signal within a defined interrogation zone;

    a tag adapted for attachment to an object, the tag being responsive to said electromagnetic interrogation signal and comprising a signal receiving structure adapted to capture at least a portion of the energy of said interrogation signal, and a response generator for generating a responsive signal to announce the presence of the object within an interrogation zone;

    a receiver for detecting said responsive signal; and

    display means for displaying information on the tagged object.

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