Typewriting machines – Key-board or key lever-actuating mechanism – Key-board arranged according to character location
Patent
1995-03-29
1997-04-15
Burr, Edgar S.
Typewriting machines
Key-board or key lever-actuating mechanism
Key-board arranged according to character location
400489, B41J 510
Patent
active
056202679
ABSTRACT:
The invention relates to an ergonomic keyboard with control key(s) located where a touch typist may activate the keys comfortably via one or both thumbs. The invention is suitable for use with a computer, word processor, electronic typewriter, or the like. It facilitates easy, ergonomic activation of the control function by a touch typist without the necessity of averting the eyes from the text to the keyboard, or uncomfortable stretching of the hands. The invention increases typing efficiency.
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IBM Technical Disclosure Bulletin (vol. 27 No. 10A Mar. 1985).
Final Text of ISO/IEC 9995-1 General Principles governing Keyboard layouts, Int'l organiz for standardization, Riess, Jun. 20, 1991.
Burr Edgar S.
Keyboard Advancements, Inc.
Nguyen Anthony H.
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