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Communication system, and interrogator and transponder of the system

  • US 20050253747A1
  • Filed: 06/10/2005
  • Published: 11/17/2005
  • Est. Priority Date: 12/13/2002
  • Status: Active Grant
First Claim
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1. A communication system comprising:

  • a plurality of interrogators; and

    at least one transponder operable, upon reception of an interrogating wave transmitted from each of said interrogators, to respond to said each of said interrogators with a reflected wave which is generated by modulating the interrogating wave, wherein each of said interrogators is operable to communicate with the other of said interrogators in a wireless manner.

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