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  2. Twilight switch - Wikipedia

    en.wikipedia.org/wiki/Twilight_switch

    Also, keep in mind that ignition is based solely on the amount of natural light present and not on the height of the sun, so "unwanted ignition" may occur, for example in the presence of compact clouds associated with a significant drop in ambient light on the sensor (e.g., when there is a storm). To avoid this, twilight switches can be ...

  3. MIM-104 Patriot - Wikipedia

    en.wikipedia.org/wiki/MIM-104_Patriot

    The MIM-104 Patriot is a mobile interceptor missile surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system.

  4. 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.

  5. Azeez Al-Shaair apologizes for brutal, illegal hit on QB ...

    www.aol.com/sports/azeez-al-shaair-apologizes...

    The hit Al-Shaair laid on Lawrence did not leave the QB unharmed. In the second quarter of Sunday's Texans-Jags game, with the Texans holding a 6-0 lead, Lawrence scrambled on second-and-7 near ...

  6. Internet of things - Wikipedia

    en.wikipedia.org/wiki/Internet_of_things

    IoT sensors on the vehicles, road and traffic lights monitor the conditions of the vehicles and drivers and alert when attention needed and also coordinate themselves automatically to ensure autonomous driving is working normally. Unfortunately if an accident happens, IoT camera will inform the nearest hospital and police station for help. [182]

  7. Transducer - Wikipedia

    en.wikipedia.org/wiki/Transducer

    A transducer is a device that converts energy from one form to another. Usually a transducer converts a signal in one form of energy to a signal in another. [1] Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc.).

  8. Anti-aircraft warfare - Wikipedia

    en.wikipedia.org/wiki/Anti-aircraft_warfare

    Anti-aircraft warfare is the counter to aerial warfare [1] and includes "all measures designed to nullify or reduce the effectiveness of hostile air action". [2] It encompasses surface-based, subsurface (submarine-launched), and air-based weapon systems, in addition to associated sensor systems, command and control arrangements, and passive measures (e.g. barrage balloons).

  9. File:Patriot System 2.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Patriot_System_2.jpg

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