Ergonomically improved standard keyboard

Details Ergonomically improved standard keyboard Ergonomically improved standard keyboard

1997-12-18

1999-10-26

Burr, Edgar

Typewriting machines

Key-board or key lever-actuating mechanism

Key-board including keys grouped to facilitate positioning...

400486, B41J 510

Patent

active

059716363

ABSTRACT:
A keyboard is described which integrates ergonomic modification while taking into consideration the psychological resistance to changing existing, familiar designs. Accordingly, the geometric relationships between keys is selected such that there is a correspondence drawn between the relative positions of the base of the fingers (i.e., where the fingers meet the hand), the wrist, and the natural orientation of the fingertips. This correspondence correlates the organization of keys with the arrangements of the metacarpophalangeal joints forming the base of the fingers. This is supported by a theory concerning the way the human brain may track the positions of the fingers and hands. As well, the creation of logical groups are detailed which allow more ergonomic adjustment of the keys, yet preserve the existing geometry of an original keyboard. In particular, these ergonomic modifications are applied to the standard geometry of the "Qwerty" or "Dvorak" keyboard.

REFERENCES:
patent: 4244659 (1981-01-01), Malt
patent: 4579470 (1986-04-01), Casey
Conway, ,"Degital X" Typerwriter Keyboard, IBM Technical Disclosure Bulletin, vol. 18, No. 12, May 1976.

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