Road vehicle electrical systems

Details Road vehicle electrical systems Road vehicle electrical systems

1979-01-15

1980-11-04

Hix, L. T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

340147R, H04Q 300, H02J 100

Patent

active

042322316

ABSTRACT:
A road vehicle electrical system includes a digitally controlled multiplex system whereby load devices distributed around the vehicle are controlled by signals from a transmitter connected to a plurality of receivers each controlling a group of load control devices. The transmitter produces a pulse train divided into digital words, each word including one set of bits identifying an address of a receiver and another set identifying an instruction code for the loads controlled by that receiver and determined by switches operable by the driver. Each receiver includes an address identification circuit and a storage device for the instruction code. A receiver acts on an instruction code only if the same instruction code is received in two successive cycles of the transmitter.

REFERENCES:
patent: 3846639 (1974-11-01), Veda et al.
patent: 4085403 (1978-04-01), Meier et al.
patent: 4156151 (1979-05-01), Borroni
patent: 4164730 (1979-08-01), Weckenmann et al.

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