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  2. 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.

  3. Chamberlain Group - Wikipedia

    en.wikipedia.org/wiki/Chamberlain_Group

    Craftsman — re-branded Chamberlain models sold at Sears. Those products have a "139" model prefix to denote that the Chamberlain Group made them for Sears. Clicker — a line of universal garage door remotes. Chamberlain, LiftMaster, and Craftsman have interchangeable parts, primarily the gear and circuit boards.

  4. Rolling code - Wikipedia

    en.wikipedia.org/wiki/Rolling_code

    34 bits are not encrypted: a 28-bit serial number, 4 bits of button information, and 2 status bits (repeat and low battery indicators). 32 bits are encrypted (the rolling code): 4 bits of button information, 2 bits of OVR (used to extend counter value), 10 bits of DISC (discrimination value; often the low 10 bits of the serial number), and a 16 ...

  5. Door closer - Wikipedia

    en.wikipedia.org/wiki/Door_closer

    A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior. Door closers can be linked to a building's fire and security alarm systems. [2]

  6. Teletouch - Wikipedia

    en.wikipedia.org/wiki/Teletouch

    Despite its marketing talking points, it required the driver to remove a hand from the steering wheel rim to push a center-pod button. Reliability proved poor due to the servo motor's hot, wet and dirty operating environment between the bell housing and the exhaust pipe just above the road surface, and the somewhat troublesome associated relays ...

  7. Ford Fusion (Americas) - Wikipedia

    en.wikipedia.org/wiki/Ford_Fusion_(Americas)

    Platinum Added to the Ford Fusion family for the 2017 model year and has many standard features such as Power Moonroof, Universal Garage Opener, Fancy Sport Chrome Mesh Grille, Nappa Leather Seating Surfaces, and Heated and Cooled Front Seats. Energi A Plug-in Hybrid Version of the Fusion was offered in two trims SE and Titanium until 2017. The ...

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