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Remote measurement of motion employing RFID

  • US 20060244595A1
  • Filed: 04/29/2005
  • Published: 11/02/2006
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A measurement system, comprising:

  • a transceiver configured to send and receive radio frequency signals;

    a first transponder configured to receive radio frequency signals from the transceiver and to send radio frequency signals to the transceiver, the first transponder comprising a first motion sensor;

    wherein the transceiver is configured to send an activation signal to the first transponder thereby enabling the first motion sensor to make a motion measurement and to hold the motion measurement.

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