Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...
Patent
1984-04-11
1986-04-01
Wright, Jr., Ernest T.
Typewriting machines
Key-board or key lever-actuating mechanism
Key-board including keys grouped to facilitate positioning...
400486, 4004913, B41J 510
Patent
active
045794707
ABSTRACT:
A typewriter keyboard arrangement with keys concentrated in clusters in such a manner so as to be operated by specific fingers designated for specific clusters. Keys are clustered and clusters arranged to allow rapid finger motion with little hand motion. The keyboard arrangement also allows the hands and arms to be positioned in a natural manner in relation to the body.
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IBM Technical Disclosure Bulletin, "Input Keyboard", Stukert, vol. 14, No. 3, Aug. 1971, pp. 952-959.
McGonagle John P.
Wright, Jr. Ernest T.
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