Arrangement for the generation of a trigger pulse

Details Arrangement for the generation of a trigger pulse Arrangement for the generation of a trigger pulse

1985-10-01

1989-02-21

Gruber, Felix D.

Boots, shoes, and leggings

123416, 123418, F02P 504, F02P 515

Patent

active

048071374

ABSTRACT:
An arrangement for the generation of a trigger pulse for the ignition of an internal combustion engine. Crankshaft angle pulses representative of the rotational angle of the crankshaft are generated. The technical problem is an increase of the correction possibilities by the storage of all setting values for the ignition characteristic field and of the operating data for the internal combustion engine in the correction value memory. A speed-dependent temperature correction of every single trigger pulse is desired. Between the angle address counter and the correction value memory a hold circuit is inserted. For the angle address signal of the angle address counter a decoder is provided which delivers control signals upon occurence of certain angle addresses. An A/D converter is provided for the conversion of analog pressure and temperature values. For the digital pressure value and the digital temperature value each a hold circuit is provided, the outputs of which are connected to address inputs of the correction value memory. A pulse delay counter, the presetting of which is effected by a temperature correction signal, is connected to the output of the trigger counter.

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patent: 4478185 (1984-10-01), Obayashi et al.
patent: 4623805 (1986-11-01), Flora et al.

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