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  2. Chamberlain Group - Wikipedia

    en.wikipedia.org/wiki/Chamberlain_Group

    Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin, and Grifco, designs and engineers residential garage door openers, commercial door operators, security cameras, and gate entry systems. CGI is also the parent company to Controlled Products Systems Group, the largest wholesale distributor of perimeter ...

  3. Garage door opener - Wikipedia

    en.wikipedia.org/wiki/Garage_door_opener

    A residential garage door opener. The motor is in the box on the upper-right. A garage door opener is a motorized device that opens and closes a garage door controlled by switches on the garage wall. Most also include a handheld radio remote control carried by the owner, which can be used to open and close the door from a short distance.

  4. The Genie Company - Wikipedia

    en.wikipedia.org/wiki/The_Genie_Company

    Website. www.geniecompany.com. GMI Holdings Inc. (dba The Genie Company) is an American manufacturer of garage door openers & related accessories. It was founded in 1923 as the Alliance Manufacturing Company, located in Alliance, Ohio. At the time the company produced a broad line of consumer, industrial and military products. [2]

  5. 2 killed, more than 40 injured after bus carrying students ...

    www.aol.com/news/1-dead-over-40-injured...

    September 22, 2023 at 7:28 AM. Two adults are dead and more than 40 other people are injured after a bus carrying students headed to band camp rolled over in New York state Thursday afternoon ...

  6. Rolling code - Wikipedia

    en.wikipedia.org/wiki/Rolling_code

    A rolling code (or sometimes called a hopping code) is used in keyless entry systems to prevent a simple form of replay attack, where an eavesdropper records the transmission and replays it at a later time to cause the receiver to 'unlock'. Such systems are typical in garage door openers and keyless car entry systems.

  7. Automatic door - Wikipedia

    en.wikipedia.org/wiki/Automatic_door

    Automatic door. A pair of automatic doors. An automatic door, also known as an auto door, is a door that opens automatically, without the need for human intervention or usually upon sensing the approach of a person. A person can be detected by microwave pulses, infrared sensors, or pressure-sensing pads. [1]

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