The classical method of timing the ignition sparks in a vehicle requires a cam to open a pair of contacts, but most vehicle owners will be aware of the troubles which can occur when these points are not cleaned and set at regular intervals. Some of the simpler electronic systems employ a pair of contacts, but the ignition coil current does not flow through these contacts and the absence of sparking at the contacts greatly increases reliability. More advanced timing systems have employed magnetic and optical contactless sensors which produce pulses at the correct times. The author describes a new type of contactless magnetic sensor which enables considerably simpler circuits to be used than with outer contactless systems and which is therefore considerably cheaper.


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    Titel :

    Wiegand effect in vehicles (electronic ignition)


    Weitere Titelangaben:

    Der Wiegand-Effekt in Fahrzeugen (elektronische Zuendung)


    Beteiligte:
    Dance, B. (Autor:in)

    Erschienen in:

    Practical Electronics ; 16 , 1 ; 39-40


    Erscheinungsdatum :

    1980


    Format / Umfang :

    2 Seiten


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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