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2. Motion detector - Wikipedia

   en.wikipedia.org/wiki/Motion_detector

   A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

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. Swing-door operator - Wikipedia

   en.wikipedia.org/wiki/Swing-door_operator

   Shades of blue: standard door closer. Shades of red: opener gears. Gold: motor. Operators use various internal technologies. Some are built on top of a standard door closer. To open the door, the operator forces the closer in the opening direction. Then, the closer closes the door. The user may open the door manually, using just the door closer.

5. 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. ... HomeLink Wireless ...

6. Chamberlain Group - Wikipedia

   en.wikipedia.org/wiki/Chamberlain_Group

   Chamberlain's "myQ" technology is embedded in garage door openers and lights, [5] can be added to Wi-Fi networks to control these devices and is being incorporated into future home products, all through a monthly subscription. [6]

7. Automatic door - Wikipedia

   en.wikipedia.org/wiki/Automatic_door

   The entire system plus installation was sold for $100. [3] [4] In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5]