Internal-combustion engines – Igniters – Sparkers
Patent
1991-04-24
1992-05-19
Nelli, Raymond A.
Internal-combustion engines
Igniters
Sparkers
305 101, 305 102, F02P 100
Patent
active
051138158
ABSTRACT:
An ignition control apparatus for an internal combustion engine in which the engine can not be started without the operation of a switch unit, thus preventing the theft of a motorcycle on which an ignition control apparatus of the invention is installed. A switch unit includes a key switch connected to a power source and a control element in the form of a resistor or a transistor. An ignition control unit is connected to the switch unit for supplying a key signal to the control element when the key switch is turned on, so that based on the key signal the control element energizes the ignition control unit for performing ignition control on the engine.
REFERENCES:
patent: 3675036 (1972-07-01), Davies
patent: 3720284 (1973-03-01), Myers
patent: 4186710 (1980-02-01), Kilgore
patent: 4207850 (1980-06-01), Wharton
patent: 4300495 (1981-11-01), Trevino et al.
patent: 4636651 (1987-01-01), Kilgore
patent: 4762198 (1988-08-01), Vagnone et al.
patent: 4884207 (1989-11-01), Asada et al.
Mitsubishi Denki & Kabushiki Kaisha
Nelli Raymond A.
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