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Dual-loop is a method of electrical circuit termination used in electronic security applications, particularly modern intruder alarms. It is called 'dual-loop' because two circuits (alarm and anti-tamper) are combined into one using resistors. Its use became widespread in the early 21st century, replacing the basic closed-circuit system, mainly ...
Alarm control panel (ACP), or simply panel: The panel reads sensor inputs, tracks arm/disarm status, and signals intrusions. In a modern device, there are typically one or more computer circuit boards inside a metal enclosure. Many newer networks often use sealed plastic boxes.
The electric immobiliser/alarm system was invented by St. George Evans and Edward Birkenbeuel and patented in 1919. [2] They developed a 3x3 grid of double-contact switches on a panel mounted inside the car so when the ignition switch was activated, current from the battery (or magneto) went to the spark plugs allowing the engine to start, or immobilizing the vehicle and sounding the horn. [3]
licence plate lights, instrument panel 58d panel light dimmer 58b 58L parking light 58 58R parking light 58 Window wiper/washer; 53 wiper motor + in 1, 3, 54d, S 53a limit stop + 54, +2 53b limit stop field 3, 54e 53c washer pump 53e stop field 1, 2 53i wiper motor with permanent magnet, third brush for high speed Acoustic warning 71 beeper in ...
An anti-hijack system is an electronic system fitted to motor vehicles to deter criminals from hijacking them. Although these types of systems are becoming more common on newer cars, they have not caused a decrease in insurance premiums as they are not as widely known as other more common anti-theft systems such as alarms or steering locks.
Nearly every car model today offers this feature as at least optional equipment. Early systems locked and unlocked only the car doors. Many cars today also feature systems which can unlock such things as the luggage compartment or fuel filler cap door. It is also common on modern cars for the locks to activate automatically when the car is put ...
The 1960s Cadillac Fleetwood came standard with power front and rear vent windows, in addition to standard power side windows, for a total of eight power window controls on the driver's door panel. Modern heavy-duty highway tractors frequently have an option for power window controls; however, these are generally what is referred to as ...
One main component to home security is finding an area for easy programming and user interaction. A control panel is implemented to arm and disarm a home security system. The control panel is the main connection to the alarm company monitoring a home.