| 摘要 |
An ignition discharge capacitor is provided for applying pulses to an ignition coil in synchronization with external switching means such as the breaker-points of an automobile. A controlled oscillator is responsive to a reference voltage device which, when a normal voltage value is applied thereto, disables the oscillator. On starting, when the voltage applied thereto is below the normal voltage value, the oscillator will oscillate to produce auxiliary trigger pulses to cause a multitude of spark discharges at the spark plugs of the internal combustion engine in addition to the initial pulse from the ignition capacitor.
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