Ergonomic computer keyboard

Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad

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Details

341 20, 345168, 361680, 400489, H01H 2500

Patent

active

061279498

ABSTRACT:
An ergonomic, efficient unitary pyramidal-shaped data entry device includes left and right hand members separated from each other by a thumb control surface. Each hand member is formed with four cavities for receiving the four fingers of the left and right hands, respectively, of a user, with the user's thumbs being juxtaposed with the thumb control surface. Each cavity contains three switches, with one switch being operated when the user extends the appropriate finger, a second being operated when the user depresses the finger, and a third being operated when the user retracts the finger. Each switch generates a signal representative of a character of a character set, with thumb switches being operable by the user's thumbs to invoke one of a plurality of sets. The sets include a character set that mimics the conventional QWERTY layout, and also include sets which represent language-optimized layouts. The device can also assume the function of a telephone and a cursor control pad.

REFERENCES:
patent: 5160919 (1992-11-01), Mohler
patent: 5318367 (1994-06-01), Braun
patent: 5351066 (1994-09-01), Rucker
patent: 5426449 (1995-06-01), Danziger
patent: 5473346 (1995-12-01), Pollack
patent: 5642108 (1997-06-01), Gopher
patent: 5764180 (1998-06-01), Cummings
patent: 5781127 (1998-07-01), Kleve

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