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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 half QWERTY keyboard is a combination of an alpha-numeric keypad and a QWERTY keypad, designed for mobile phones. [57] In a half QWERTY keyboard, two characters share the same key, which reduces the number of keys and increases the surface area of each key, useful for mobile phones that have little space for keys. [57]
A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] ... a chorded keyboard, was invented by Douglas Engelbart.
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]
[2] [3] As technology improved, more sophisticated keyboards were developed, including the 12-tone keyboard still in use today. Initially, the keyboard of an instrument such as a pipe organ or harpsichord could only produce sounds of one particular volume. In the 18th century, the pianoforte was invented. The pianoforte had metal strings which ...
An organ pedalboard is a keyboard with long pedals played by the organist's feet. Pedalboards vary in size from 12 to 32 notes or 42 on a touring organ used by Cameron Carpenter. In a typical keyboard layout, black note keys have uniform width, and white note keys have uniform
The earliest known keyboard instrument was the Ancient Greek hydraulis, a type of pipe organ invented in the third century BC. [2] The keys were likely balanced and could be played with a light touch, as is clear from the reference in a Latin poem by Claudian (late 4th century), who says magna levi detrudens murmura tactu . . . intonet, that is "let him thunder forth as he presses out mighty ...
1884 – Hammond "Ideal" typewriter with case, by Hammond Typewriter Company Limited, United States. Despite an unusual, curved keyboard (see picture in citation), the Hammond became popular because of its superior print quality and changeable typeface. Invented by James Hammond of Boston, Massachusetts in 1880, and commercially released in 1884.