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Asynchronous localization signals for tire pressure monitoring system

  • US 6,958,685 B2
  • Filed: 08/01/2003
  • Issued: 10/25/2005
  • Est. Priority Date: 08/01/2003
  • Status: Expired due to Fees
First Claim
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1. A tire pressure monitoring system comprising:

  • a plurality of tires each including a tire pressure sensor operable to send a tire pressure signal including a code;

    an initiation member associated with each of said tires, said initiation member being operable to send an initiation signal to its respective tire pressure sensor causing said respective tire pressure sensor to send a response signal, each of said initiators having a unique frequency of sending out said initiation signal; and

    a control for receiving said response signals and identifying a particular location on a vehicle based upon a frequency of said response signals.

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