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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]
Frequently, false alarms occur because car alarm owners use high sensitivity settings. This may be the main reason why loud bass frequency sound (loud music, other cars or motorcycles with loud exhaust systems, thunderstorms, etc.) can set off car alarms. The second possible reason is that some parts of the alarm system may be improperly installed.
Kia debuted the all new K9/K900 (still sold as the Quoris in a few markets) at the March 2018 New York International Auto Show. The new generation is longer and wider than the outgoing model, and has a wheelbase stretched by about 2.3 inches (60 mm). It retains the same 8-speed transmission, as well as the same three engine choices. [10]
An alarm is used to warn the driver of a potential collision hazard in the pre-collision system. The pre-collision braking control was upgraded in 2010 to allow the vehicle to stop automatically if the speed difference between the EyeSight-equipped vehicle and the object in front is less than 30 km/h (19 mph) and the driver takes no action to ...
A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.
Some remote keyless fobs also feature a red panic button which activates the car alarm as a standard feature. Further adding to the convenience, some cars' engines with remote keyless ignition systems can be started by the push of a button on the key fob (useful in cold weather), and convertible tops can be raised and lowered from outside the ...
K-9 (missile), a Soviet short-range air-to-air missile; Kahr K9, a variant of the Kahr K series, a 9×19mm Parabellum semi-automatic pistol manufactured by the American company Kahr Arms; K9 Thunder, a 155 mm self-propelled artillery used by the Republic of Korea Armed Forces; Pusan East (K-9) Air Base, an abandoned air base in Busan, South Korea
Most cars, motorcycles, and motor scooters have for some time used a cheaper and smaller alternative design, which, despite retaining the name "horn," abandons the actual horn ducting and instead relies on a larger flat diaphragm to reach the required sound level. Sound levels of such horns are approximately 109–112 decibels, and they ...