| 摘要 |
PURPOSE:To permit the control of exact ignition timing by turning a pulse motor to rotate a rotator for controlling ignition timing according to a difference between an optimum ignition timing memorized in advance and actual ignition timing. CONSTITUTION:A required ignition timing control value is calculated in the memory portion 7 and then sent to the arithmetic unit 10, and the counter 8, also, sends forth actual ignition timing output at the actual time. The arithmetic unit 10 calculates the deviation of ignition timing, and then puts it in the counter 11 to actuate the starter 12. Then, the starter 12 is stopped at a time when the output of the counter 11 becomes zero and thereby the pulse motor 5 is stopped when a set ignition timing is obtained. |
