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The electric opener. The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. 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.
Significant dates. Added to NRHP. April 20, 2007. Designated CHISL. 1987. The HP Garage is a private museum where the company Hewlett-Packard (HP) was founded. It is located at 367 Addison Avenue in Palo Alto, California. [3] It is considered to be the "Birthplace of Silicon Valley ". [4]
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]
On June 20, Georgie Ann, the Maltese, was watching her mom water the plants from inside the back door when one innocent joke went completely wrong. If you look closely, you can see the moment the ...
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 counterbalanced to offset the door's weight and reduce the human or ...
HP-GL, short for Hewlett-Packard Graphics Language and often written as HPGL, is a printer control language created by Hewlett-Packard (HP). HP-GL was the primary printer control language used by HP plotters. It was introduced with the plotter HP-9872 in 1977 and became a standard for almost all plotters.
Printer tracking dots. Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code ( MIC ), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used to print the document.
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 ...