IMPROVEMENTS ON AUTOMATIC ELECTRONIC ALARM SYSTEMSPERFECTIONING OF AUTOMATIC ELECTRONIC ALARM SYSTEM FOR CARS S FOR CARS

摘要

Alarm Device for automobiles. A set of Switches (3,4,5) placed on the driver's door and Bonnet trigger Circuit by the driver from his entry into the vehicle of a time to introduce the key contact (2) and Disable the timing; failing this a Horn Sounds and SIS Subjects Electric motor are inoperative.When the owner comes out of the vehicle, the system gives a time of two minutes from the extraction of the ignition key (2) until the Horn Sounds. The system can be disabled by a Secret Switch (1).