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RFID—sensor system for lateral discrimination

  • US 7,612,675 B2
  • Filed: 02/14/2007
  • Issued: 11/03/2009
  • Est. Priority Date: 02/14/2006
  • Status: Active Grant
First Claim
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1. A system for reading at least one object having a programmable RFID device embedded therein, the object being disposed in a predetermined reading region, the system comprising:

  • a reader loop disposed in the predetermined reading region, the reader loop being configured to transmit a reader interrogation signal to the at least one object disposed in the predetermined reading region and receive an RFID signal from the at least one object in response to the reader interrogation signal; and

    a jamming device disposed proximate the reader loop, the jamming device being configured to generate a jamming signal that prevents an external reader device disposed outside the predetermined reading region from interrogating the at least one object disposed in the predetermined reading area.

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