Ignition control device and ignition control method
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United States of America Patent
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Jun 13, 2017
Grant Date -
May 7, 2015
app pub date -
Dec 9, 2013
filing date -
Dec 19, 2012
priority date (Note) -
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Abstract
An ignition control device according to one embodiment of the present invention is configured to, based on a pulse signal to be induced in an ignition coil in accordance with rotation of an internal combustion engine, cause a voltage to be supplied to an ignition plug included in the internal combustion engine, to be generated in the ignition coil. The ignition control device includes: a switching element configured to energize the ignition coil; a biasing unit configured to bias control terminals of the switching element so that the switching element is turned on when the pulse signal is induced; a state detecting unit configured to detect a biased state of the switching element; and a control unit configured to set a timing for controlling de-energization of the ignition coil in response to a result of detection performed by the state detecting unit, and to control the switching element to be turned off in accordance with the timing.
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