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Vehicle monitoring system

  • US 6,753,771 B2
  • Filed: 01/15/2003
  • Issued: 06/22/2004
  • Est. Priority Date: 05/14/2002
  • Status: Expired due to Term
First Claim
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1. A vehicle monitoring system for monitoring a condition of a first component moving relative to a second component, one of said first and second components including a magnet and the other of said components including an electrically conductive coil within a magnetic field of said magnet, a sensor located within said magnet field and an active RF chip connected to said coil and said sensor, whereby said sensor monitoring movement of said magnet and movement of said magnet relative to said electrically conductive coil generating an electrical current which activates said RF chip to signal a condition of said one of said first and second components to a remote RF receiver.

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