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UNIQUE HEADER FORMAT FOR TPMS AND SMART ENTRY SYSTEM

  • US 20110304449A1
  • Filed: 08/05/2010
  • Published: 12/15/2011
  • Est. Priority Date: 06/15/2010
  • Status: Active Grant
First Claim
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1. A vehicle entry/tire pressure monitoring system for a vehicle, the system comprising:

  • an electronic control unit (“

    ECU”

    );

    tire sensors mounted in, on or adjacent respective tires of the vehicle, each tire sensor being configured to transmit an RF signal;

    a portable transmission/reception unit configured to be carried by an operator of the vehicle and to transmit RF signals for controlling operations of the vehicle including unlocking doors of the vehicle;

    an antenna mounted on the vehicle and in communication with the ECU, the antenna being configured to transmit a low frequency (“

    LF”

    ) tire sensor wake up field to wake up the tire sensors, wherein the tire sensor wake up field includes a unique header format, wherein the tire sensors only fully wake up upon receiving the unique header format.

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