Approximately every 20 seconds a car gets car-napped, this is a usual occurrence. Car alarms are set off often each day around the world. To prevent car theft, the latest car alarms have integrated advanced but affordable technology. Now, how does a car alarm work?
A decade after Karl Benz of Germany patented Otto gasoline automobile, the first case of car theft was documented, it was in 1986. Because of the situation, installation of car alarms in automobile doors was popularized, making the car door alarm as the first car alarm system. Nowadays cars come with more advanced alarm systems. There are even car sensors that go off just by opening the panel like doors, trunk and the hood of the car. It uses sensors are to determine the change in voltage. During a sudden drop of voltage by forcing the panel to open it causes an electrical interference to the system which automatically sets off an alarm.
Another entry point for burglars is the car windows. Usually thieves just break the windows and hot-wire the car. The Latest glass technology can now resist and amount of hard hitting. Plastic is now reinforced with glass to make it harder to break. There is a breaking sound detector that is commonly used as a window sensor. With the unique sound frequency of a breaking glass, this sensor is capable of detecting this kind of frequency and is able to set off the alarm system triggering a full alarm siren.
Shock sensor, this is another car alarm feature that can trigger an alarm. There are two horizontal charged rods of metal that detects shock disturbance in a car. Disturbing these rods can cause them to sway and touch each other then sets off an alarm.
The disadvantage of this kind of car alarm system is that it sets of every time there is a car disturbance regardless of the cause. Even a slight weight shift from someone leaning on the hood can trigger a full car alarm. Randall Woods’ shock sensor, a recent model of shock sensor is now more effective and more “false-alarm proof”.
Nearly all modern car alarm systems include a range of pressure sensors. These are electrical passages all around the chassis that triggers when the circuit is jammed. When a door or a trunk is opened it sets off an alarm. Glasses are more resistant to bashing with glass breaking detectors that goes off if it detects a certain frequency. F
Car theft was the second to most rampant thievery cases each year since 1996. There are still many interested buyers of stolen cars, it is always in demand all it needs is a good paint job. But with the new technology used in car alarm systems, car theft can now be prevented.
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