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Commonly used mechanical switches on pre-built keyboards [ edit ] Manufacturers frequently build computer keyboards using switches from original equipment manufacturers (OEMs).
Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:
The IBM Model M is a large family of computer keyboards created by IBM that began in late 1983 when IBM patented a membrane buckling spring key-switch design. The main intent of this design was to halve the production cost of the Model F. [ 13 ] The most well known full-size Model M is known officially as the IBM Enhanced Keyboard.
Unicomp Model M with removed z key. The exposed buckling spring is visible. A buckling spring is a type of keyswitch mechanism, popularized by IBM's keyboards for the PC, PC/AT, 5250/3270 terminals, PS/2, and other systems.
Castle clock, 1206 – Al-Jazari's castle clock, a hydropowered mechanical astronomical clock, has been described as the earliest programmable analog computer. [6] [7] [8] The Astrarium was a complex astronomical clock built in 1348 by Giovanni Dondi dell'Orologio. The Astrarium had seven faces and 107 moving parts; it could show and predict ...
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A lighting control console (also called a lightboard, lighting board, or lighting desk) is an electronic device used in theatrical lighting design to control multiple stage lights at once. They are used throughout the entertainment industry and are normally placed at the front of house (FOH) position or in a control booth. [1]
Dick Van Dyke is reflecting on his lucky escape from the Malibu, Calif., wildfires.. The screen legend, who turns 99 on Friday, Dec. 13., told a local news outlet that his neighbors “saved ...