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Electric eye for a garage door opener. An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam.
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.
Sectional garage door Up-and-over garage door Garage Door Hardware. A garage door is a large door to allow egress for a garage that opens either manually or by an electric motor (a garage door opener). Garage doors are frequently large enough to accommodate automobiles and other vehicles. The operating mechanism is usually spring-loaded or ...
Everyday examples are a microwave oven that displays code F6 to warn of a shorted temperature probe [1] or a garage door opener that flashes its control board's LED four times warning of critically misaligned safety sensors and impending shutdown. [2] Diagnostic programs are also inserted into consumer electronic products and electronic games.
Some video content may need the video acceleration to be lowered in order to play properly. To lower the video acceleration in Windows Media Player: 1. Click Start, select All Programs or Programs, and then click Windows Media Player. 2. Click the Tools menu, and then click Options.
Garage door opener manufacturers (6 P) Pages in category "Garage door openers" The following 7 pages are in this category, out of 7 total.
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