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  2. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    The technology typically found in motion sensors to trigger an alarm includes infrared, ultrasonic, vibration and contact. Dual technology sensors combine two or more forms of detection in order to reduce false alarms as each method has its advantages and disadvantages. Traditionally motion sensors are an integral part of a home security system.

  3. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Door and window sensors are also implemented in most home security systems. One part of the system is installed on the door or window itself while the other part is installed on the frame of the door or window. The two part system connects securely when a door or window is closed, creating a security circuit. [5]

  4. Home automation - Wikipedia

    en.wikipedia.org/wiki/Home_automation

    Home automation or domotics [1] is building automation for a home. A home automation system will monitor and/or control home attributes such as lighting, climate, entertainment systems, and appliances. It may also include home security such as access control and alarm systems. The phrase smart home refers to home automation devices that have ...

  5. The Best Place to Put Your Smoke Detector (Plus 3 Spots ... - AOL

    www.aol.com/lifestyle/best-place-put-smoke...

    Below, we're outlining the best spots to place your smoke alarm, plus expert advice on the best ways to use smoke detectors in your home. Related: The 9 Best Smoke Detectors of 2024 to Give You ...

  6. Alarm sensor - Wikipedia

    en.wikipedia.org/wiki/Alarm_sensor

    In telecommunications, the term alarm sensor has the following meanings: . In communications systems, a device that can sense an abnormal condition within the system and provide a signal indicating the presence or nature of the abnormality to either a local or remote alarm indicator, and (b) may detect events ranging from a simple contact opening or closure to a time-phased automatic shutdown ...

  7. Smoke detector - Wikipedia

    en.wikipedia.org/wiki/Smoke_detector

    In the United States, the first standard for home smoke alarms was established in 1967. [10] In 1969, the USAEC allowed homeowners to use smoke detectors without a license. [6] The Life Safety Code (NFPA 101), passed by the US National Fire Protection Association (NFPA) in 1976, first required smoke alarms in homes. [10]

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