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  2. Sliding door operator - Wikipedia

    en.wikipedia.org/wiki/Sliding_door_operator

    A door operator may be triggered in various ways: Approach Sensor (such as a radar sensor) - the door opens when a user approaches it. Pushbutton - the door opens when a user presses a button. Access control - the door opens when an access control system determines the user is authorized to go through. Automatically (in the case of elevators).

  3. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    Dual door open and door close buttons, in an elevator with two sets of doors, found on a ThyssenKrupp elevator from the 2010s In case of dual doors, there may be two sets of door open and door close buttons, with one pair controlling the front doors, from the perspective of the console, typically denoted <> and ><, with the other pair ...

  4. Pepperl+Fuchs - Wikipedia

    en.wikipedia.org/wiki/Pepperl+Fuchs

    The company manufactures electronic products for fabrication and process automation. It specializes in sensor manufacturing, such as sensors used in automatic doors in elevators, encoders, AS interfaces, RFID systems, [1] barcode solutions, [2] and explosion protection, [3] as well as components for the automotive industry, and plant ...

  5. Photoelectric sensor - Wikipedia

    en.wikipedia.org/wiki/Photoelectric_sensor

    Conceptual through-beam system to detect unauthorized access to a secure door. If the beam is interrupted, the detector triggers an alarm. A photoelectric sensor is a device used to determine the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver.

  6. Swing-door operator - Wikipedia

    en.wikipedia.org/wiki/Swing-door_operator

    Swing side, door mounted sensor—mounted on the swing side of the door itself, used as the door is opening to detect a user in the way of the opening door. In that case, the operator stops the door. The sensitivity of infrared sensors must be reduced at the end of the opening angle, if it starts seeing a wall next to the door, so it may not ...

  7. Wittur - Wikipedia

    en.wikipedia.org/wiki/Wittur

    The first footprint in Asia was set in 1995 by establishing the subsidiary Suzhou Selcom (today Wittur Elevator Components (Suzhou)) in China. In the course of years the production plant in Suzhou, China was steadily enlarged and by now more than 650,000 elevator doors are produced there on a yearly basis (2013). [3]

  8. The best mobility scooter for 2024, according to experts - AOL

    www.aol.com/lifestyle/best-mobility-scooter...

    Cost: $500 | Weight limit: 265 lbs. | Travel range or battery life: 12.4 miles | Weight of scooter: 90 lbs. | Folding design: Yes | Max speed: 3.7 mph Mobility scooters can cause a serious dent in ...

  9. Building automation - Wikipedia

    en.wikipedia.org/wiki/Building_automation

    Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, shading, access control, security systems, and other interrelated systems.

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