Key for data processing miniature implements

Details Key for data processing miniature implements Key for data processing miniature implements

1979-06-13

1982-01-12

Hix, L. T.

Registers

Keyboards

With total transfer to keyboard or the like

G06C 702

Patent

active

043107532

ABSTRACT:
Keys which are used in a keyboard of a miniaturized data processing device include an upper surface which is provided with a downwardly-extending wall running transversely to the movement of the finger when operating the keys. The downwardly-extending wall, which is formed, for example, by a groove disposed in the upper surface, serves as a support for the tip of a user's fingernail when operating the keys. Such keys make possible an accurate operation even if the keys are disposed closely side by side in a miniaturized key board and the fingernail is fashionably long.

REFERENCES:
patent: 2117398 (1938-05-01), Brown, Jr.
patent: 2484886 (1949-10-01), Henry
patent: 4120039 (1978-10-01), Fischer
patent: 4128889 (1978-12-01), Ojima et al.
IBM Technical Disclosure Bulletin "Optical Key Board" by J. J. Sharp et al., vol. 5, No. 10, Mar. 1963, p. 127.

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