Tire sensor localization utilizing speed corrected frequency
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United States of America Patent
Stats
-
Dec 6, 2005
Grant Date -
Jan 8, 2004
app pub date -
May 8, 2003
filing date -
Jul 3, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of localizing the location of a received signal from a tire pressure sensor includes sending an AM identification signal. The AM signal is adjusted for speed such that the frequency of the signal equals a constant multiplied by the speed of the vehicle. Each of the tire locations on a vehicle have an expected sequence of black-out points in the signal received by a receiver at any point on the vehicle. That is, given a particular vehicle design, the AM signal described above would be received at a receiver with an expected sequence of received peaks and black-out points. Since the frequency of the signal is adjusted for speed, the received signal will accurately allow the location of black-out points to be utilized to identify the tire location for a particular signal.
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