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Monitoring and recording tag with RF interface and indicator for fault event

  • US 7,061,380 B1
  • Filed: 11/05/2003
  • Issued: 06/13/2006
  • Est. Priority Date: 11/07/2002
  • Status: Active Grant
First Claim
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1. A radio frequency monitor tag for recording an ambient condition comprising:

  • an integrated circuit with an ambient condition sensor,a visual indicator for indicating a condition, anda power source.

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