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2. Electric gate - Wikipedia

   en.wikipedia.org/wiki/Electric_gate

   Electric gates alone, however solid and imposing they may be, cannot guarantee a completely secure environment electric locks, are often needed to boost the locking effectiveness of the gate motors. Electric gates are recommended to be used in combination with other security features to install a full security system .

3. 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.

4. 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.

5. Garage (residential) - Wikipedia

   en.wikipedia.org/wiki/Garage_(residential)

   Locking is provided by a key lock in the centre of the door moving two square sliding lock bars in and out of holes in the door tracks, locking and unlocking it, or by the solenoid lock in the automatic motor. Newer homes feature more American styled tilting panel lift doors which slide up onto a track on the ceiling via a motor and chain drive.

6. Automatic door - Wikipedia

   en.wikipedia.org/wiki/Automatic_door

   The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s. [6] [7] In 1980, the first automatic door using an infrared sensor was ...

7. Swing-door operator - Wikipedia

   en.wikipedia.org/wiki/Swing-door_operator

   Surface mount, pull (track)—the operator is mounted on the wall above the door, on the swing side and pulls the door with an arm whose end slides in a track mounted on the door. Underfloor concealed units—the operator is mounted within the floor and rotates the door directly, through its pivot.