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Monitoring an environment using a RFID assembly

  • US 7,397,370 B2
  • Filed: 03/01/2005
  • Issued: 07/08/2008
  • Est. Priority Date: 03/01/2005
  • Status: Expired due to Fees
First Claim
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1. A system for monitoring an environment, the system comprising:

  • a plurality of RFID tags arranged in different layers of a multi-layered environment, wherein the plurality of RFID tags are configured to transmit information regarding the different layers; and

    a plurality of sensors associated with each of the plurality of RFID tags, wherein the plurality of sensors are configured to sense stress at each of the different layers caused by a physical event occurring in the environment around the assembly and convert the sensed stress at each of the different layers into power to at least partially power operation of the plurality of RFID tags to transmit information regarding the sensed stress at each of the different layers caused by the physical event.

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