| 摘要 |
<p>The device comprises a toothed wheel (6) mounted on the ignition distributor shaft (4) of the engine and having between 40 and 60 teeth, a signal head (7) associated with the toothed wheel and provided with a pot magnet, the inner core of which has a diameter of less than 2.0 mm, a pulse generator (11) connected to the output of the signal head, and a pulse quadrupler (12) connected to the output of pulse generator for multiplying the number of pulses produced by the pulse generator by a factor of 4. <IMAGE></p> |
