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.
Car intruder alarm
Alarm gegen Automobil-Eindringlinge
Practical Electronics ; 15 , 4 ; 22
1979
1 Seite
Article (Journal)
English
Tema Archive | 1983
|Tema Archive | 1979
|British Library Online Contents | 1996
|British Library Online Contents | 1997