Method for transmitting signals from electronic housings...

Details Method for transmitting signals from electronic housings... Method for transmitting signals from electronic housings...

2011-07-12

2011-07-12

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Vehicle mounted systems

Reexamination Certificate

active

07977811

ABSTRACT:
A method of transmitting signals from electronic housings, each mounted on one wheel of a vehicle, to a central unit (11) on the vehicle, uses spread spectrum. There is allocated, on the one hand, to each electronic housing (6-9) and to the central unit (11), a first common generic orthogonal spread code (Cg) identical for the electronic housings and the central unit and, on the other hand, to each electronic housing, a second orthogonal spread code (Ci) specific to the electronic housing. An initializing procedure causes the transmission by each electronic housing of a spread signal (e) based on the common generic spread code (Cg), incorporating the second specific orthogonal spread code (Ci) and the identification code (ID) of the electronic housing. Subsequent transmissions include transmission by each electronic housing of a spread signal (e) on the basis of the second specific spread code (Ci) of the electronic housing.

REFERENCES:
patent: 4390880 (1983-06-01), Henoch
patent: 6864803 (2005-03-01), Tang et al.
patent: 102006009899 (2007-09-01), None
patent: 1172237 (2002-01-01), None
patent: 2007237781 (2007-09-01), None
Priority Search Report dated Sep. 24, 2008, in priority application.

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