Method and device for monitoring tire pressure utilizing a reference value that evolves according to a predetermined function of time
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United States of America Patent
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Sep 6, 2011
Grant Date -
Dec 17, 2009
app pub date -
Apr 13, 2006
filing date -
Apr 13, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method of monitoring a pressure (P) of a tire of a motor vehicle involves measuring a pressure (P) of the tire and comparing the measured pressure with at least one reference value (P.sub.r.sup.M, P.sub.r.sup.m, P.sub.r). The reference value (P.sub.r.sup.M, P.sub.r.sup.m, P.sub.r) varies in accordance with a temporal law that depends on at least one of the following parameters: a temporal benchmark, a speech of the vehicle, a temperature of the tire, and a parameter that is based on at least one of the previous three parameters. The reference value (P.sub.r.sup.M, P.sub.r.sup.m, P.sub.r) varies between first and second extreme values.
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