Keyboard arrangement

Details Keyboard arrangement Keyboard arrangement

1998-02-20

1999-03-09

Burr, Edgar

Typewriting machines

Key-board or key lever-actuating mechanism

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

400486, B41J 508

Patent

active

058790896

ABSTRACT:
A keyboard for typewriters, word processors, computers, and the like, has a housing and a plurality of manually actuated keys secured to the housing including keys for each letter of the alphabet and a plurality of character keys. The keys are arranged in rows including a central home row, an upper row, and a lower row. The central home row has a first group of keys including the letters "E" and "A" arranged from left to right, the lower row has a second group of keys including the letters "I", "O" and "U" arranged from left to right, and the upper row has a third group of keys including the letters "S", "T" and "R" arranged from left to right. The central home row further has a fourth group of keys including two subsets, a first subset of keys including the letters "M" and "N" arranged from left to right and a second subset of keys including the letters "H" and "G" arranged from left to right. Similarly, the upper row has a fifth group of keys including two subsets, a first subset of keys including the letters "C" and "D" arranged from left to right and the second subset of keys including the letters "P" and "L" arranged from left to right.

REFERENCES:
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patent: 5689253 (1997-11-01), Hargreaves et al.
Richard S. Hirsch, Effects ofKeyboard Formats on Typing Performance, Journal of Applied Psychology (vol. 54, No. 6, 484-490), Apr. 13, 1970.

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