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Tire parameter sensing system having a tire-based unit that is responsive to a trigger signal and associated method

  • US 20060206247A1
  • Filed: 03/09/2005
  • Published: 09/14/2006
  • Est. Priority Date: 03/09/2005
  • Status: Abandoned Application
First Claim
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1. A tire parameter sensing system for a vehicle, the system comprising:

  • a vehicle-based unit; and

    a tire-based unit, the tire-based unit being associated with a tire of the vehicle and rotating with the tire, the tire-based unit being located in a communication zone for communicating with the vehicle-based unit through only a portion of each rotation of the tire, the tire-based unit sensing at least one parameter of the tire and transmitting locator signals at predetermined intervals, the vehicle-based unit receiving a locator signal that is transmitted while the tire-based unit is located in the communication zone and, in response to receiving the locator signal, transmitting a trigger signal to the tire-based unit, the tire-based unit being responsive to receipt of the trigger signal for transmitting a parameter signal indicative of the sensed at least one parameter.

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