A keyset or chorded keyboard is a computer input device that allows the user to enter characters or commands formed by. GKOS on the open source Arduino microcontroller: Want to try a virtual GKOS keyboard on iPhone, Android, MeeGo/Harmattan or Windows Phone?. Edit Site. edit this panel ยท edit top menu. How to type on a GKOS keyboard. You can try GKOS typing here:

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As with every conventional phone, it is possible to write a text message or email without looking on the screen. Computer keyboard types Physical ergonomics. If you want to discuss contents of this page – this is the easiest way to do it.

Notify administrators if there is objectionable content in this page. A one button version of the mouse was incorporated into the Apple Macintosh but Steve Jobs decided against incorporating the chorded keyset. It provides one key for each finger and three for the thumb. The mouse buttons marked selections and confirmed or aborted commands.

gkos arduino pictures

The code is optimized for speed and low wear: With this arrangement, a nine button keyboard with three rows of three hexagonal buttons could be fitted onto a telephone and could produce up to 33 different symbols. Unlike pressing a gks on a piano, the chord is recognized only after all the keys or mouse buttons are released.

Developer Website App Support. The BAT is a 7-key hand-sized device from Infogrip, and has been sold since The numbers 0 through 9 were represented by one punch; 26 letters were represented by combinations of two punches, and symbols were represented by combinations of two or three punches. Thad Starner from Georgia Institute of Technology and others published numerous studies [2] [3] [4] showing that two handed chorded text entry was faster and yielded fewer errors than on a QWERTY keyboard.

Kyeboard other projects Wikimedia Kfyboard.

GKOS Keyboard |

The usefulness of this chorded keyboard app is limited by the advertizement taking up a large area when connected via wifi. The Twiddler [30] is a fully featured key keyboard plus mouse designed to fit in the palm of one hand. The large number of combinations available from a small number of keys allows text or commands to be entered with one hand, leaving the other hand free. The gkoa widespread use of a chord keyboard was in the stenotype machine used by court reporters, which was invented in and is still keeyboard use.


EkaPad uses 66 of these accessible chords. Many stenotype users can reach words per minute. It is available via the Apple app store. Find out what you can do. Some early keypunch machines used a keyboard with 12 labeled keys to punch the correct holes in paper cards. Eighth International Symposium on Wearable Computers.

GKOS Keyboard

The alphabet is produced with a single press for ten letters or by shifting with either thumb for sixteen more. Such keyboards use a minimum of seven keys, where each key corresponds to an individual braille point, except one key which is used as a spacebar.

It also works for left handed users and has a live speech output facility that could be helpful for people with speech impairments. Claimed advantages of the IN10DID method are the gko of devices, limited motion and simple chords.

It is based on an open keyboard standard called GKOS.

The FrogPad is a key chorded keyboard about the size of a numeric keypad that can be used with one hand, and is optimized by character frequency.

Practice with the keyboard is slow and difficult and the help function is not useful for someone wanting to find a key combination. Compatibility Requires iOS 5. Physical SureType Telephone 9-key E. Another early commercial model was the six-button Microwriterdesigned by Cy Endfield and Chris Rainey, and first sold in Historically, the baudot and braille keyboards were standardized to some extent, but they are unable to replicate the full character set of a modern keyboard.

For now, please check http: Researchers at IBM investigated chord keyboards for both typewriters and computer data entry as early aswith the idea that it might be faster than touch-typing if some chords were used to enter whole words or parts of words. That solution is still alive and proposed by Fastap and Unitap among others, and a commercial phone has been produced and promoted in Canada during CyKey pronounced sai-ki is named after the Microwriter chord system’s co-inventor Cy Endfieldwho died in but the name also reflects its intuitive nature.


But telegraph operators were already using typewriters with QWERTY keyboards to “copy” received messages, and at the time it made more sense to build a typewriter that could generate the codes automatically, rather than making them learn to use a new input device.

GKOS on the open source Arduino microcontroller: After a small amount of practice, the typing speed exceeds that of the GSM number pad method multi-tap.

Chorded keyboard

Currently stenotype machines hold the record for fastest word entry. However, stenographers typically train for three years before reaching professional levels of speed and accuracy.

Note that the number of points used in braille computing is not 6, but 8, as this allows the user, among other things, to distinguish between small and capital letters, as well as gko the position of the cursor.

Practical devices generally use simpler chords for common characters e. Douglas Engelbart introduced the chorded keyset as a computer interface in at what is often called ” The Mother of All Demos “. A secondary advantage is that it can be built into a device such as kegboard pocket-sized computer or a bicycle handlebar that is too small to contain a normal-sized keyboard. Braille a writing system for the blind uses gkkos 6 or 8 tactile ‘points’ from which all letters and numbers are formed.

For some characters one or two prefix chords are required.