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Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the QWERTY keyboard, [2] and, along with Samuel W. Soule, Carlos Glidden and John Pratt, has been contended to be one of the inventors of the first typewriter in the United States. [3] [4] [5] He was also a newspaper publisher and Wisconsin ...
A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
The QWERTY keyboard, so named for the first six characters of the uppermost alphabetic row, was invented during the course of the typewriter's development. The first model constructed by Sholes used a piano-like keyboard with two rows of characters arranged alphabetically as follows: [ 13 ]
The Keyboard Company was founded by Michael Muller (born c. 1944). [1] The company was incorporated on May 4, 1979. [2] Muller was previously general manager of Datanetics of Fountain Valley, California, which manufactured keyboards for early electronic desktop calculators and cash registers.
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
Additional keyboard instruments, the clavichord (tangent-struck strings) and harpsichord (quill-plucked strings), were developed in the 14th century CE. [ 2 ] [ 3 ] As technology improved, more sophisticated keyboards were developed, including the 12-tone keyboard still in use today.
Casio was established as Kashio Seisakujo in April 1946 by Tadao Kashio [] (1917–1993), an engineer specializing in fabrication technology. [1] Kashio's first major product was the yubiwa pipe, a finger ring that would hold a cigarette, allowing the wearer to smoke the cigarette down to its nub while also leaving the wearer's hands free. [6]
David Joseph Smith (April 2, 1950 – May 31, 2022) was an American engineer and founder of the synthesizer company Sequential.Smith created the first polyphonic synthesizer with fully programmable memory, the Prophet-5, which had a major impact on the music industry. [2]