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US 2018/0274512 A1Published application
Controller Device of Engine Ignition Circuit
AssigneeSanken Electric Co., Ltd.
InventorAkihiko Futami
Life of this patent
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Abstract
A controller device of an engine ignition circuit includes: a driver circuit that controls a voltage of a control terminal of a first switching element for controlling an ignition timing of an ignition circuit of an engine, based on a timing signal supplied from an engine control unit for controlling the engine; and an auxiliary driver circuit that supplies the timing signal to the control terminal of the first switching element when a battery voltage supplied to the driver circuit becomes equal to or lower than a threshold value.
Claims4
A controller device of an engine ignition circuit comprising:
- a driver circuit, which controls a voltage of a control terminal of a first switching element for controlling an ignition timing of the ignition circuit of the engine, based on a timing signal supplied from an engine control unit for controlling the engine;
- and
- an auxiliary driver circuit, which supplies the timing signal to the control terminal of the first switching element when a battery voltage supplied to the driver circuit becomes equal to or lower than a threshold value.
Dependencies are inferred from the claim text.