专利名称：IGNITION CIRCUIT
作文放风筝
发明人：ASAI TADASHI,MIZUMOTO MASAO 申请号：JP6762979
申请日：19790530
公开号：JPS55160167A
非主流男生头像
公开日：
19801212
专利内容由知识产权出版社提供
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摘要：PURPOSE:To prevent a high voltage from being produced when a key switch is opened, by connecting a switching element between the primary portion of an ignition coil and the ground and coupling another switching element and a charge and discharge capacitor between the primary portion of the ignition coil and the ground. CONSTITUTION:When a power switch 11 is clod, a detection signal from a pickup coil 1 is applied to an output ction 6 through an amplifying ction 2 and a driving ction 3. When output transistors 4, 5 are clod, the power switch 11 is opened. The driving ction 3 keeps the output transistors 4, 5 clod by the charged energy of the charge and discharge capacitor 14 of the amplifying ction 2 until the capacitor is discharged through an ignition coil 7 and a switching diode 13. After the power switch 11 is opened, primary energy is bypasd through another switching diode 12 to suppress the primary voltage of the ignition coil 7 to reduce its condary high voltage.
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阜阳特色美食>大领导的小女人申请人：SANYO ELECTRIC CO,TOKYO SANYO ELECTRIC CO,NIPPON DENSO CO
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