Automobile engine starter

Details Automobile engine starter Automobile engine starter

1994-12-16

1996-09-17

Dolinar, Andrew M.

Internal-combustion engines

Starting device

Condition responsive control of starting device

307 103, B60R 2504, F02N 1108

Patent

active

055558631

ABSTRACT:
A remote-control key for use in a remote-control system is provided with a transmission circuit in a key grip and used for transmitting an atmospheric propagation signal as an locking or unlocking signal containing an ID code. When the key is inserted into an IG key cylinder and detected by an IG key position switch, a control unit on the automobile side is adapted to accepting the atmospheric propagation signal received via an antenna for a predetermined period, verifying the ID code, outputting a signal for effecting an engine-starting operation when the key is proper, and permitting an engine being started. It is thus prevented to start the engine unlawfully with a mechanically-copied key.

REFERENCES:
patent: 4733638 (1988-03-01), Anderson
patent: 4868409 (1989-09-01), Tanaka et al.
patent: 4965460 (1990-10-01), Tanaka et al.
Milt Leonard, "Rf Transponder Embedded in Auto Ignition Keys Stymies Car Thieves," Electronid Design, vol. 41, No. 25, Dec. 2, 1993, pp. 35-36.

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