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2. Car alarm - Wikipedia

   en.wikipedia.org/wiki/Car_alarm

   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.

3. Immobiliser - Wikipedia

   en.wikipedia.org/wiki/Immobiliser

   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]

4. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   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.

5. Cut-Resistant Cables and Alarms: Coming Soon to EV ... - AOL

   www.aol.com/finance/cut-resistant-cables-alarms...

   Cut-resistant cables will deter a thief in the act, but ChargePoint aims to be proactive with its defenses, too. That's why the company is launching what it calls "ChargePoint Protect," an alarm ...

6. Standards for Alarm Systems, Installation, and Monitoring

   en.wikipedia.org/wiki/Standards_for_Alarm...

   The standard details requirements for a range of alarm systems including central station burglar alarms, police station connected alarms, local alarms, proprietary systems, holdup alarms, and digital alarm communicator system units. It also covers power supplies essential for burglar-alarm equipment operation.

7. Back-up beeper - Wikipedia

   en.wikipedia.org/wiki/Back-up_beeper

   Back-up beepers or an observer are required by OSHA for earth-moving vehicles with an obstructed view to the rear and no one on the ground to help guide the driver. [9] OSHA regulation 29 CFR Part 1926.601(b)(4) requires "a reverse signal alarm audible above surrounding noise level", but only when the motor vehicle has "an obstructed view to the rear".