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Programmable channel search reader

DC
  • US 5,952,935 A
  • Filed: 10/23/1996
  • Issued: 09/14/1999
  • Est. Priority Date: 05/03/1996
  • Status: Expired due to Term
First Claim
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1. An interrogator for use with a plurality of identification transponders, the interrogator producing an interrogation signal for interrogating one of the plurality of transponders, the plurality of transponders using different frequencies and different methods of modulation and encoding to transmit an identification signal in response to the interrogation signal, each of the plurality of transponders being adapted to attach to an article to be identified, said identification signal including at least an identification component, said interrogator comprising:

  • an antenna assembly for transmitting said interrogation signal from the interrogator to one of the plurality of transponders and for receiving said identification signal from said transponder;

    a processor for processing said identification signal received by said antenna assembly and creating an output signal substantially corresponding to said identification component of said identification signal; and

    a display for displaying said output signal.

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