Describes a circuit which provides protection by sensing the voltage drop in the wire to the interior courtesy light fitted to most cars. On sensing the voltage drop, when one of the doors is opened, the alarm will trigger and 5 seconds later the horn will give an intermittent blast if the circuit is not reset.


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    Title :

    Car intruder alarm


    Additional title:

    Alarm gegen Automobil-Eindringlinge


    Contributors:

    Published in:

    Publication date :

    1979


    Size :

    1 Seite


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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    Fairhurst, W. | Tema Archive | 1983


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