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Full-spectrum passive communication system and method

  • US 20040005863A1
  • Filed: 07/03/2002
  • Published: 01/08/2004
  • Est. Priority Date: 07/03/2002
  • Status: Active Grant
First Claim
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1. A communication device, comprising:

  • a passive receiver coupled to an antenna to receive and reflect wide-band ambient radiation, the receiver and antenna configured to modulate the received ambient radiation to form a modulated signal and to transmit the modulated signal via backscatter transmission.

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