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  2. Electric eye - Wikipedia

    en.wikipedia.org/wiki/Electric_eye

    Electric eye for a garage door opener. An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam.

  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. Chamberlain Group - Wikipedia

    en.wikipedia.org/wiki/Chamberlain_Group

    Clicker — a line of universal garage door remotes. Chamberlain, LiftMaster, and Craftsman have interchangeable parts, primarily the gear and circuit boards. The greatest difference between the brands is that Chamberlain and Craftsman operate on a square shaped split-rail system, while LiftMaster consists of one single solid piece of inverted ...

  5. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    Premium models, such as SUVs and estates with tailgates, may have a motorized assist that can both open and close the tailgate for easy access and remote operation. For offices, or residences, the system can also be coupled with the security system, garage door opener or remotely activated lighting devices.

  6. Category:Garage door openers - Wikipedia

    en.wikipedia.org/wiki/Category:Garage_door_openers

    Garage door opener manufacturers (6 P) Pages in category "Garage door openers" The following 7 pages are in this category, out of 7 total.

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