Typewriting machines – Key-board or key lever-actuating mechanism – Key-board arranged according to character location
Patent
1987-08-27
1989-04-25
Sewell, Paul T.
Typewriting machines
Key-board or key lever-actuating mechanism
Key-board arranged according to character location
400489, B41J 510
Patent
active
048242683
ABSTRACT:
An ergonomic keyboard that is suitable for all devices interfacing with a keyboard; and that is able to transmit on unlimited amount of information including the more than 50 alphabets of the world, numbers, other symbols, programing, and operational information. All information is grouped into modes, such as the capital letters of the Latin alphabet, and any information bit in a particular mode that the keyboard is in can be entered with one keystroke. The keyboard is ergonomically designed to take maximum advantage of the shape, dexterity, and strength of the hands and fingers so that the majority of the fingers on both hands are always naturally positioned on the home keys, and so the reaching to the other keys is natural and effortless. The ergonomic design and optimum distribution of the information bits on the keys makes the transfer of information on this keyboard the fastest possible with the least amount of effort and the least amount of errors, and it also makes the learning the fastest and easiest possible.
REFERENCES:
patent: 3771636 (1973-11-01), Kerns, Jr.
patent: 3945482 (1976-03-01), Einbinder
patent: 4081068 (1978-03-01), Zapp
patent: 4579470 (1986-04-01), Casey
"Use Two Hands", Popular Science, p. 162, Mar. 1984, received on PTO 2/21/84.
"Digital X Typewriter Keyboard" by Conway, IBM Technical Disclosure Bulletin, vol. 18, No. 12, May 1976.
No affiliations
Cohen Moshe I.
Sewell Paul T.
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