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2. Automatic door - Wikipedia

   en.wikipedia.org/wiki/Automatic_door

   Automatic door. A pair of automatic doors. An automatic door, also known as an auto door, is a door that opens automatically, without the need for human intervention or usually upon sensing the approach of a person. A person can be detected by microwave pulses, infrared sensors, or pressure-sensing pads. [1]

3. Sliding door operator - Wikipedia

   en.wikipedia.org/wiki/Sliding_door_operator

   The operator is placed in the space above the sliding door. An electric motor, geared down to get a lower speed and a higher torque, drives a pulley at one end of a belt. The door is clamped to the belt. To open the door, the motor turns the pulley, which in turn turns the belt, which in turn drags the door. To close the door, the reverse occurs.

4. Besam (Assa Abloy) - Wikipedia

   en.wikipedia.org/wiki/Besam_(Assa_Abloy)

   Besam was an international supplier and manufacturer of automatic entrance equipment for commercial, health care and residential buildings owned by Assa Abloy. [1] The product portfolio included automatic doors, automatic swing doors, sliding doors and revolving doors, as well as air curtains and dedicated service and maintenance. [2][3]

5. Sliding door (car) - Wikipedia

   en.wikipedia.org/wiki/Sliding_door_(car)

   Sliding door (car) A Toyota HiAce minibus/schoolvan with a sliding door. A sliding door is a type of door that is mounted on or suspended from a track for the door to slide, usually horizontally and outside. It is a feature predominantly found in minibuses, buses, minivans and vans, so as to allow a large unobstructed access to the interior for ...

6. Garage door opener - Wikipedia

   en.wikipedia.org/wiki/Garage_door_opener

   A residential garage door opener. The motor is in the box on the upper-right. A garage door opener is a motorized device that opens and closes a garage door controlled by switches on the garage wall. Most also include a handheld radio remote control carried by the owner, which can be used to open and close the door from a short distance.

7. Swing-door operator - Wikipedia

   en.wikipedia.org/wiki/Swing-door_operator

   Types. There are 3 basic types of swing door operators: Full Energy – It opens and closes the door at full speed. Low Energy – It opens and closes the door at reduced speed to limit the kinetic energy of the moving door to levels deemed safe for disabled users. Power Assist – This is a version of the low-energy operator.