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  2. Back-up beeper - Wikipedia

    en.wikipedia.org/wiki/Back-up_beeper

    Back-up beeper. A back up beeper warns of a garbage truck backing up as it works its way around a cul-de-sac. A white-noise back-up beeper provides a less disruptive alert than the original pure-tone alert. A back-up beeper, also known as back-up alarm or vehicle motion alarm, is a device intended to warn passers-by of a vehicle moving in reverse.

  3. Brink's - Wikipedia

    en.wikipedia.org/wiki/Brink's

    Brink's is popularly known for its bullet-resistant armored trucks which carry money and valuable goods (the service once used to transport the Hope Diamond from an auction to the buyer's home). Brink's is a provider of security services to banks, retailers, governments, mints and jewelers. Founded in 1859 by Perry and Fidelia Brink of Chicago ...

  4. Car alarm - Wikipedia

    en.wikipedia.org/wiki/Car_alarm

    Car alarm. A car alarm is an electronic device installed in a vehicle in an attempt to discourage theft of the vehicle itself, its contents, or both. Car alarms work by emitting high-volume sound (often a vehicle-mounted siren, klaxon, pre-recorded verbal warning, the vehicle's own horn, or a combination of these) when the conditions necessary ...

  5. 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 (theft) or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.

  6. Immobiliser - Wikipedia

    en.wikipedia.org/wiki/Immobiliser

    The electric immobiliser/alarm system was invented by St. George Evans and Edward Birkenbuel 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]

  7. EXPLAINER: Will burglar alarms still work after 3G shutdown?

    www.aol.com/finance/explainer-burglar-alarms...

    An alarm-industry lobbying group estimates that 1.5 million customers still need to upgrade their fire or burglar alarms, while about half a million have medical alert devices that run on 3G; it ...