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Encyclopedia > Buckling spring

Image:IBMbuckling.jpg Image from US Patent 4,118,611 of Buckling Spring mechanism File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...


A type of keyswitch mechanism, popularized by IBM's keyboards for the PC, PC/AT, 5250 / 3270 terminals, and other keyboards, the most popular of these being the Model M. A type of small switch used for keys (keyboards). ... Mechanism is the following: In general, a mechanism is part of a chain of causes leading to some object or process. ... International Business Machines Corporation (IBM, or colloquially, Big Blue) (NYSE: IBM) (incorporated June 15, 1911, in operation since 1888) is headquartered in Armonk, New York, USA. The company manufactures and sells computer hardware, software, and services. ... The IBM PC keyboard and its derivative computer keyboards are standardized. ... IBM PC (IBM 5150) with keyboard and green screen monochrome monitor (IBM 5151), running MS-DOS 5. ... IBM Model M Keyboard, Part no. ...


Covered by US Patent 4,118,611 A patent is a set of exclusive rights granted by a state to a person for a fixed period of time in exchange for the regulated, public disclosure of certain details of a device, method, process or substance (known as an invention) which is new, inventive and useful. ...


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