Method of transmitting an electromagnetic identification request signal to an electronic housing mounted on a wheel of a vehicle
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United States of America Patent
Stats
-
Feb 22, 2011
Grant Date -
Sep 25, 2008
app pub date -
Jun 30, 2006
filing date -
Aug 4, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Method of transmitting an electromagnetic identification request signal, generated by an antenna (11-14) connected to a central unit (15) mounted on a vehicle (1), to an electronic housing (6-9) mounted on a wheel (2-5) of the vehicle. This transmission method includes successively transmitting, after starting of the vehicle (1), a plurality of identical identification request signals (S1 . . . , Si, Si+1, . . . ), and wherein, after each transmission at an instant Ti of a signal Si, the speed of travel V of the vehicle (1) is measured, the time Tr of a complete rotation of the wheel (2-5) is calculated for the speed V, and the following signal Si+1 is triggered at an instant Ti+1 such that: Ti+1=Ti+nTr+T.theta. with n integer .gtoreq.1 and 0
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