Method for assigning identifiers, present in signals emitted by transmitters in a tire pressure monitoring system, to the wheels where the transmitters are located
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United States of America Patent
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Sep 10, 2002
Grant Date -
N/A
app pub date -
Feb 22, 2000
filing date -
Aug 19, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a method for assigning identifiers, contained in signals emitted by transmitters in a tire pressure control system, to the position of the wheels where the transmitters are located. Said system comprises a pressure sensor, a transmitter and a transmit antenna on each of a plurality of wheels of a vehicle, one or more receive antennas on the vehicle body, and receiving and evaluating units connected to this body via cables. In this method, the signals containing the identifier are intercepted by the receive antenna(s) and transmitted to the receiving and evaluating units, where they are evaluated in accordance with their identifiers. The invention is characterized in that, for the monitored wheels, not just the air pressure in the tires, but also the acceleration obtained from the movement of the wheel is measured. A signal derived therefrom is transmitted via the relevant transmitter in the receiving or evaluating circuit, and evaluated for the information contained in the signal regarding the position of the wheel which emitted the signal.
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