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RFID Threshold Accelerometer

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5 Author(s)
Todd, B. ; Brigham Young Univ., Provo, UT, USA ; Phillips, M. ; Schultz, S. ; Hawkins, A.
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This paper introduces a shock sensor design that requires zero power, is small, low cost, and can be remotely monitored. The sensor combines a latching accelerometer with a Radio Frequency Identification (RFID) chip. The accelerometer is a mechanical element that changes states when threshold acceleration is met. The element's state can be relayed wirelessly to an electronic reader via the RFID chip. Multiple RFID chips can be read simultaneously, making sensor networks possible.

Published in:

Instrumentation & Measurement Magazine, IEEE  (Volume:12 ,  Issue: 4 )