Ergonomic keyboard apparatus and method of using same

Details Ergonomic keyboard apparatus and method of using same Ergonomic keyboard apparatus and method of using same

1994-10-03

1996-04-02

Bennett, Christopher A.

Typewriting machines

Key-board or key lever-actuating mechanism

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

400715, 400472, 2481181, 345168, 341 22, B41J 510

Patent

active

055034845

ABSTRACT:
A keyboard arrangement with a pair of angularly disposed, spaced apart groups of character keys dedicated for operating use respectively by the left hand and the right hand of a user. A space bar key is operable by either thumb of the user and bridges between the two groups of character keys. The rows of keys in each group are staggered, and each key bears character indicia disposed at an angle to the transverse direction of its group of keys.

REFERENCES:
patent: 4669903 (1987-06-01), Herzog et al.
patent: 5040757 (1991-08-01), Benaway
patent: 5119078 (1992-06-01), Grant
patent: 5302040 (1994-04-01), Louis
patent: 5372441 (1994-12-01), Louis

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