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2. Rolling code - Wikipedia

   en.wikipedia.org/wiki/Rolling_code

   Remote controls send a digital code word to the receiver. If the receiver determines the codeword is acceptable, then the receiver will actuate the relay, unlock the door, or open the barrier. Simple remote control systems use a fixed code word; the code word that opens the gate today will also open the gate tomorrow.

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. Door closer - Wikipedia

   en.wikipedia.org/wiki/Door_closer

   Modern manual door closer Eclipse door spring and separate checking mechanism. 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.

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

6. Glassdoor is closing its final remaining offices in Chicago ...

   www.aol.com/finance/glassdoor-closing-final...

   Glassdoor, bolstered by the reviews on its site for other companies that exercise a remote-first approach, is “very invested in being a remote-first company” for good. The drastic change to ...

7. Remote keyless system - Wikipedia

   en.wikipedia.org/wiki/Remote_keyless_system

   A remote keyless system can include both remote keyless entry (RKE), which unlocks the doors, and remote keyless ignition (RKI), which starts the engine. Numerous manufacturers have offered entry systems that use door- or pillar-mounted keypad entry systems ; touchless passive entry / smart key systems that allow a key to remain pocketed; and ...