Ergonomic keyboard

Details Ergonomic keyboard Ergonomic keyboard

1993-12-10

2000-02-08

Burr, Edgar

Typewriting machines

Key-board or key lever-actuating mechanism

400715, B41J 508

Patent

active

060221569

ABSTRACT:
A two piece computer keyboard (10). A right hand keyboard (20) contains alphabetic keys normally operated by the right hand of the computer operator. Left hand keyboard (30) contains keys normally operated by the left hand of the operator. Right keyboard (20) and left keyboard (30) are electrically connected by cord (60). The size of keyboards (20) and (30) have been reduced by using keys which allow some alphabetic keys to be used in a multi-function fashion. Num key (40) allows use of alphabetic keys as numbers. Arrow key (50) allows use of alphabetic keys as arrows. Function keys (46) allows use of alphabetic keys as function keys F1, F2, etc. Special function key (48) allows use of some alphabetic keys as print screen, scroll lock, etc.

REFERENCES:
patent: 3093911 (1963-06-01), Hagelstein et al.
patent: 4378553 (1983-03-01), McCall
patent: 4522518 (1985-06-01), Schmidt
patent: 4661005 (1987-04-01), Lahr
patent: 5122786 (1992-06-01), Rader
patent: 5212473 (1993-05-01), Louis
"Keyboard for Handheld Computer" IBM Technical Disclosure Bulletin, vol. 27, No. 10A, Mar. 85, p. 5643-45.

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