Electronic distributor ignition device for internal combustion e

Details Electronic distributor ignition device for internal combustion e Electronic distributor ignition device for internal combustion e

1993-01-19

1996-12-03

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 101, 123630, 361118, F02P 1700

Patent

active

055811310

ABSTRACT:
A switching circuit for an electronic distributor ignition device for an internal combustion engine. Current flowing through the primary ignition coil is controlled by a semiconductor switch circuit connected between the coil and ground. A control input to the semiconductor switch is also connected to ground by a pair of oppositely poled zener diodes which have a temperature coefficient which approximates that of the semiconductor switch circuit.

REFERENCES:
patent: 3671851 (1972-06-01), Harkness
patent: 4064415 (1977-12-01), Blackington
patent: 5060623 (1991-10-01), McCoxy
patent: 5127388 (1992-07-01), Cicalese et al.
patent: 5299543 (1994-05-01), Taruya et al.

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