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Distance indicating system and method

  • US 20060157900A1
  • Filed: 01/04/2005
  • Published: 07/20/2006
  • Est. Priority Date: 01/04/2005
  • Status: Active Grant
First Claim
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1. A distance indicating system for an associated air spring used on an associated vehicle, the associated air spring including first and second support members secured together by an elastomeric wall such that the support members move relative to one another in response to a load applied to the associated air spring, said distance indicating system comprising:

  • a transceiver for broadcasting an electromagnetic wave; and

    , a transponder spaced a distance from said transceiver and causing a modulation of said wave in relation to said distance;

    one of said transceiver and said transponder supported on one of the first and second support members.

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