Chording

Chording

Chording means pushing several keys or buttons simultaneously to achieve a result.

Contents

Musical keyboards

In music, more than one key are pressed at a time to achieve more complex sounds, or chords.

Computer Keyboards

Chording, with a chorded keyboard or keyer allows one to produce as many characters, as a QWERTY keyboard, but with fewer keys and less motion per finger, and is thought to alleviate[citation needed] or prevent[citation needed] carpal tunnel syndrome.

Pointers

Mouse chording allows a user to use a two-button mouse, trackball, or touchpad as if it where a three-button device. For example, in the Unix graphical user interface (X11), the middle button is used to paste text. Since Microsoft-type mice have only two buttons, users of Unix-type systems such as Linux and BSD chord the right and left buttons to paste text.

Multitouch chording

TipTapSpeech an application for the iPhone and iPad is a chord-based text entry solution for touch screen computing.[1]

A GKOS chording keyboard application development for iPhone was started on the GKOS Google Group [2] on May 25, 2009. The application for iPhone became available on May 8, 2010, and a similar application for Android on October 3, 2010. Thumbs are used to press the keys that are located towards the sides of the screen, either a single key or two keys simultaneously.

Douglas Engelbart, Valerie Landau, Robert Stephenson, Evan Schaffer, Eric Matsuno, and Cherif Algreatly filed a patent in 2010 for a chorded solution for multitouch screens.[3]

References

  1. ^ TipTapSpeech
  2. ^ GKOS Group
  3. ^ Patent filed by Fenwick and West, 2010

See also


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Look at other dictionaries:

  • Chording — Chord Chord, v. t. [imp. & p. p. {Chorded}; p. pr. & vb. n. {Chording}.] To provide with musical chords or strings; to string; to tune. [1913 Webster] When Jubal struck the chorded shell. Dryden. [1913 Webster] Even the solitary old pine tree… …   The Collaborative International Dictionary of English

  • chording — adjective By means of which the user can enter characters or commands in the form of chords by pressing several keys together instead of one after the other …   Wiktionary

  • chording — noun play, sing, or arrange notes in chords. → chord …   English new terms dictionary

  • chording — /ˈkɔdɪŋ/ (say kawding) noun Music 1. the distribution of notes within a chord. 2. the intonation of a chord by instrumentalists or vocalists …  

  • chording — present part of chord …   Useful english dictionary

  • Mouse chording — is the capability of performing actions when multiple mouse buttons are held down, much like a chorded keyboard. Like mouse gestures, chorded actions may lack feedback and affordance and would therefore offer no way for users to discover possible …   Wikipedia

  • Chorded keyboard — A Microwriter MW4 (circa 1980) A keyset or chorded keyboard (also called a chorded keyset, chord keyboard or chording keyboard) is a computer input device that allows the user to enter characters or commands formed by pressing several keys… …   Wikipedia

  • Keyer — A keyer is a device for signaling by hand, by way of pressing one or more switches. Modern keyers typically have a large number of switches but not as many as a full size keyboard; typically between four and fifty [Intelligent Image Processing,… …   Wikipedia

  • Microwriter — The Microwriter is a hand held portable word processor with a chording keyboard. It was sold in the early 1980s by Microwriter Ltd, of London, UK. Microwriter was invented by UK based, US born film director Cy Endfield and his partner Chris… …   Wikipedia

  • Wearable computer — Wearable computers are computers that are worn on the body. They have been applied to areas such as behavioral modeling, health monitoring systems, information technologies and media development. Wearable computers are especially useful for… …   Wikipedia

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