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  2. Home automation for the elderly and disabled - Wikipedia

    en.wikipedia.org/wiki/Home_automation_for_the...

    Home automation is implemented in homes of older adults and people with disabilities in order to maintain their independence and safety, also saving the costs and anxiety of moving to a health care facility. [2] For those with disabilities smart homes give them opportunity for independence, providing emergency assistance systems, security ...

  3. 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 ...

  4. Battery management system - Wikipedia

    en.wikipedia.org/wiki/Battery_management_system

    A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack) by facilitating the safe usage and a long life of the battery in practical scenarios while monitoring and estimating its various states (such as state of health and state of charge), [1] calculating secondary data, reporting that data, controlling its environment ...

  5. Panic button - Wikipedia

    en.wikipedia.org/wiki/Panic_button

    A medical alert panic button or medical alarm is an electronic device worn on a bracelet or necklace as part of a medical alert system. When pressed, it sends a wireless signal to a home console which dials alarm monitoring staff and alerts them of an emergency condition. Depending on the severity of the situation, alarm monitoring staff will ...

  6. Extra-low voltage - Wikipedia

    en.wikipedia.org/wiki/Extra-low_voltage

    Electrical fire. Extra-low voltage (ELV) is an electricity supply voltage and is a part of the low-voltage band [1] in a range which carries a low risk of dangerous electrical shock. [2][3][4][5] There are various standards that define extra-low voltage. The International Electrotechnical Commission (IEC) and the UK IET (BS 7671:2008) define an ...

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. 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]

  9. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    A house 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 ...