Electronic ignition circuit with automatic control advance

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy

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123418, 123600, F02P 308, F02P 504

Patent

active

046975705

ABSTRACT:
An electronic ignition system for a magneto-operated internal combustion engine eliminates Zener diodes as nonlinear elements for control of the advance and employs a unilateral switch utilizing a diode feedback element to provide a logarithmic response for controlling a SCR which is thereby triggered into conduction to discharge a capacitor and fire a sparkplug.

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patent: 4335692 (1982-06-01), Miura
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patent: 4566425 (1986-01-01), Nitou et al.
patent: 4610237 (1986-09-01), Ionescu et al

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