Method of transmitting an electromagnetic identification...

Details Method of transmitting an electromagnetic identification... Method of transmitting an electromagnetic identification...

2011-02-22

2011-02-22

Pope, Daryl (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S447000, C340S442000, C340S438000, C073S146500, C073S146400, C116S03400R

Reexamination Certificate

active

07893820

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+Tθ with n integer ≧1 and 0<Tθ<Tr.

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