FIELD: keyboards. SUBSTANCE: keyboard has rows of keys 1 positioned at different height. Keys 1 carry detachable flexible caps 2 in the form of straps projecting above and under the surface of key 1. Caps 2 are installed on two vertical rows of keys 1 intended for middle fingers of the left and right hands, and on keys 1 of the main horizontal row with formation of cross-shaped lands 3. Such a keyboard provides for use of the touch system on a typewriter in the presence of similar keys and training of typewriting with a quick and correct arrangement of fingers of the operator with separation of the rows of keys. EFFECT: improved design. 2 cl, 3 dwg
Title | Year | Author | Number |
---|---|---|---|
REMOVABLE MEMBER FOR SETTING ONTO KEYS | 0 |
|
SU1680579A1 |
ERGONOMIC DETACHABLE FRAME FOR COMPUTER KEYBOARD | 2013 |
|
RU2547630C2 |
TRAINING DEVICE FOR TELEGRAPH OPERATOR | 0 |
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SU1314366A1 |
KEYBOARD FOR PERSONAL AND MISCELLANEOUS ELECTRONIC COMPUTERS AND HARDWARE | 1994 |
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EDUCATIONAL KEYBOARD | 2016 |
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KEYBOARD | 0 |
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SU1518144A1 |
TYPEWRITER | 1995 |
|
RU2107628C1 |
TELEGRAPH OPERATOR TRAINER | 0 |
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SU1479953A2 |
ERGONOMIC KEYBOARD ARRANGEMENT | 2005 |
|
RU2293367C1 |
KEYBOARD | 0 |
|
SU885074A1 |
Authors
Dates
1995-12-10—Published
1991-03-29—Filed