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Method of remote powering and detecting multiple UWB passive tags in an RFID system

  • US 20080252422A1
  • Filed: 08/31/2007
  • Published: 10/16/2008
  • Est. Priority Date: 09/05/2006
  • Status: Active Grant
First Claim
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1. A Radio Frequency Identification (RFID) method, comprising:

  • remotely powering one or more tags using an ultra-wideband format so as to activate said one or more tags,transmitting one or more uniquely coded ultra-wideband interrogation signals so as to configure such tags to be on an awakened status to generate a respective response code within each of said alerted one or more tags; and

    receiving modulated ultra-wideband radar signals indicative of said response codes so that said one or more tags are detected.

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