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WIRELESS AND BATTERYLESS SENSOR

  • US 20090165546A1
  • Filed: 12/28/2007
  • Published: 07/02/2009
  • Est. Priority Date: 12/28/2007
  • Status: Active Grant
First Claim
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1. A wireless and batteryless pressure sensor apparatus, comprising:

  • a SAW sensor for receiving an interrogating radio frequency (RF) signal wherein a resonant frequency changes with an applied pressure and temperature; and

    an antenna connected to said SAW sensor such that said antenna communicates wirelessly with a remote transceiver; and

    a sensor package adapted as a base for mounting and containing said SAW sensor package and said antenna.

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