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Device and method for determining a wheel position

  • US 7,271,711 B2
  • Filed: 07/06/2005
  • Issued: 09/18/2007
  • Est. Priority Date: 07/06/2004
  • Status: Active Grant
First Claim
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1. A device for determining a position of a wheel on a vehicle, the device comprising:

  • an evaluation unit;

    a tire electronic system disposed on the wheel for measuring a tire status variable and wirelessly transmitting measured tire status variables to said evaluation unit, said tire electronic system having a long-wave receive unit and configured for enhancing a receive response of said long-wave receive unit for a predefined time window on transmission of a message with a tire status variable;

    at least one long-wave antenna of a vehicle access system disposed in the vehicle; and

    a control device provided in the vehicle and configured to activate at least one of said long-wave antenna, said control device being activated by said evaluation unit for transmitting a signal via said at least one long-wave antenna, the signal being intended for said long-wave receive unit in the wheel;

    said evaluation unit configured for sending a start signal to said control device on receipt of the message with the tire status variable, to transmit the signal intended for said long-wave receive unit;

    said long-wave receive unit configured to transmit a response signal wirelessly to said evaluation unit on receipt of the signal; and

    said evaluation unit configured for determining a position of the wheel of the vehicle based on the response signal.

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