Method and device for monitoring a physical variable on a wheel of a vehicle
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United States of America Patent
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Feb 13, 2007
Grant Date -
Aug 18, 2005
app pub date -
Feb 14, 2005
filing date -
Feb 12, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method for monitoring a physical variable, in particular the tire pressure, of a wheel fitted on a vehicle is performed when the vehicle travels. The physical variable is measured at the wheel and transmitted to a receiver on the vehicle. An evaluation/storage unit determines and stores a predefined first comparative intensity distribution of the receiving strength of the radio signals at a specified deflection angle between the longitudinal axis of the vehicle and the plane of the wheel and a random sample for the actual intensity distribution of the receiving strength of the radio signals being recorded by the repeated transmission and receiving of a plurality of radio messages.
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