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2. Electric gate - Wikipedia

   en.wikipedia.org/wiki/Electric_gate

   An electric gate is a type of gate that can be opened and closed using an electrically powered mechanism. ... Driveway gate openers can be the rollback (sliding) type ...

3. Swing-door operator - Wikipedia

   en.wikipedia.org/wiki/Swing-door_operator

   Operators are powered by an electric motor. They differ in how they use the motor's energy to open the door. Disengaging, closer-based, push-mount, electro-mechanical operator. View from above. Shades of blue: standard door closer. Shades of red: opener gears. Gold: motor. Operators use various internal technologies.

4. Sliding door operator - Wikipedia

   en.wikipedia.org/wiki/Sliding_door_operator

   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.

5. List of solar-powered products - Wikipedia

   en.wikipedia.org/wiki/List_of_solar-powered_products

   Picture of a Solar Compacting Trashcan Solar-powered fountain in a bird bath under shade versus direct sunlight. The following is a list of products powered by sunlight, either directly or through electricity generated by solar panels.

6. Garage door opener - Wikipedia

   en.wikipedia.org/wiki/Garage_door_opener

   The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

7. Automatic Systems (company) - Wikipedia

   en.wikipedia.org/wiki/Automatic_Systems_(company)

   Automatic Systems, a subsidiary of Bolloré Group, is a company, specialising in the automation of secure entrance control. [ 1 ] [ 2 ] The company designs and manufactures vehicle, pedestrian and passenger access control equipment.