| 摘要 |
To prevent knock phenomena, a device is provided with a vibration detector (2) which supplies appropriate signals via a gate circuit (5) and a bandpass filter (6) in the event of knocking. The output signal of the bandpass filter (6) is rectified in a rectifier (7) and integrated in an integrator (8). The output signal of the integrator (8) is fed via an analog/digital convertor (9) to a microcomputer (10), which also receives the output signals of an angular position transmitter (3) and a vacuum sensor (4) in the intake system of the engine. Via a power output element (18), the microcomputer (10) controls the ignition coil (17), the high voltage of which is distributed via an ignition distributor (20) to the spark plugs (21). <IMAGE>
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