Patent ID: 7271711

Claim:
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.