| 摘要 |
A low-energy circuit and a high-energy circuit are operatively coupled in parallel between an energy source and an igniter. The low-energy circuit is for igniting the igniter to generate sparks between electrodes of the igniter, and the high-energy circuit is for characterizing an energy of the sparks generated between the electrodes of the igniter. A spark detector detects a presence of a spark between the electrodes of the igniter, and a control circuit enables an operation of the high-energy circuit only upon detection of the presence of a spark between the electrodes of the igniter by the spark detector.
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