| 摘要 |
An ignition system for an internal combustion engine in which not only the timing of the spark is controlled in accordance with the speed of and load on the engine, but the duration of the spark is controlled relative to the angular position of the crank-shaft such that the spark at the spark plug is extinguished at a predetermined crank-shaft angle irrespective of the crank-shaft angle at which the spark is initiated. |
