Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Patent
1996-09-03
1998-10-27
Hofsass, Jeffery
Coded data generation or conversion
Bodily actuated code generator
Including keyboard or keypad
341 23, 341 26, 400100, H03K 1794
Patent
active
058283234
ABSTRACT:
An ergonomic keyboard utilizing ten keys which are activated in pairs to produced coding signal representing alphabetic symbols of a conventional computer keyboard. The keyboard is operated as a replacement or in parallel with a conventional computer keyboard. Each key corresponds in position with each finger on a hand. By pressing two keys, unique letters and functions are produced. As the number of unique binary combinations of ten elements is 45, the ten-key keyboard system is capable of representing at least 26 characters plus the function keys of a standard 101-key computer keyboard. The structure enables greater speed through efficiency in finger movement and easy learning.
REFERENCES:
patent: 4467321 (1984-08-01), Volnak
patent: 4655621 (1987-04-01), Holden
patent: 5017030 (1991-05-01), Crews
patent: 5281966 (1994-01-01), Walsh
patent: 5552782 (1996-09-01), Horn
Hill Andrew
Hofsass Jeffery
LandOfFree
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