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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. 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.

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. 20 Problem Solvers That Prove That Good Things Come In Small ...

   www.aol.com/20-problem-solvers-prove-good...

   I placed one on his key chain and we've been good ever since. It was great until he lost the remote. Other that that it was easy to use the battery lasted quite some time. ... I hung it right be ...

6. Remote keyless system - Wikipedia

   en.wikipedia.org/wiki/Remote_keyless_system

   A remote control for a keyless entry system built into an ignition key: pressing a button on the key unlocks the car doors, while another button locks the car and activates its alarm system. A remote keyless system (RKS), also known as remote keyless entry (RKE) or remote central locking, is an electronic lock that controls access to a building ...

7. Health Rounds: Sleep shortage during pregnancy may hurt baby ...

   www.aol.com/news/health-rounds-sleep-shortage...

   September 27, 2024 at 1:12 PM. By Nancy Lapid. (Reuters) - Pregnant women who do not get enough sleep may be at higher risk of having children with neurodevelopmental delays, a new study suggests ...