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The backbone of any electric gate, whether automatic or not, is the electric gate motor, two distinct motor types exist hydraulic, or electromechanical. This is the electric device which actually enables the electric gate to open and close without having to manually push the gate.
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 ...
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.
Turnstiles, swing gates and security doors are installed in the hall of office buildings, public and private administrations, industries, leisure and sports centers. Passenger access control. Automatic access control gates, ePassport gates and anti-reflow doors are mainly installed in Metro/Tram stations, [24] airports, railway, bus and ferry ...
Full Energy operators are typically used on the outside doors of medium-sized retail business. (Larger retail businesses prefer sliding door operators.)Low Energy operators are typically used where a simple door closer is sufficient for able users, yet it is necessary to add access to disabled users: small businesses, apartments, bathrooms.
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.
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