Encoded electrical control systems for vehicles

Details Encoded electrical control systems for vehicles Encoded electrical control systems for vehicles

1976-02-23

1979-02-27

Engle, Samuel W.

Internal-combustion engines

Igniters

Incandescent

123198B, F02P 900, F02P 1100

Patent

active

041413326

ABSTRACT:
An encoded electrical control systems for motor vehicle employs an encoder/transmitter that provides an encoded signal and a receiver/decoder which effectuates control of an associated device only upon receipt of a signal containing the code unique to that specific receiver/decoder.
For motor vehicle applications, a secure ignition system is acheived by enclosing the encoder/transmitter in a tamperproof housing associated with the ignition switch assembly. The encoded signal is transmitted when the ignition switch is closed. The receiver/decoder is contained in another tamperproof housing adjacent an ignition system component essential to engine operation, and, only upon receipt of the unique, encoded signal from the transmitter, effectuates a necessary electrical connection to this ignition system component. Operation also may be initiated by an electronic lock in place of the conventional ignition switch.

REFERENCES:
patent: 3339141 (1967-08-01), Rothenbuhler et al.
patent: 3543040 (1970-11-01), Nemeth
patent: 3587950 (1971-06-01), Haigh
patent: 3596243 (1971-07-01), Liebholz
patent: 3631301 (1969-10-01), Goldman
patent: 3634697 (1972-01-01), MacFarlane
patent: 3675036 (1972-07-01), Davies
patent: 3697945 (1972-10-01), Comber
patent: 3851227 (1974-11-01), Hedin
patent: 3941955 (1976-03-01), Gerber
patent: 3987408 (1975-10-01), Sassover et al.

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