Key arrangement for word processor or the like electrode instrum

Details Key arrangement for word processor or the like electrode instrum Key arrangement for word processor or the like electrode instrum

1991-05-08

1993-02-16

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-board having multiple-character, multiple-movement keys

400 91, 400100, B41J 528

Patent

active

051865556

ABSTRACT:
A keyboard, for use in a workprocessor or like electronic machine, includes multiple keys arranged in an array of rows and columns, a stationary base, a moveable operator connecting each key and the stationary base such that each key is moveable in four diagonal directions relative to the remaining keys, and spring strips and switch contacts disposed beneath each key and arranged such that movement of the key in any of the four diagonal directions closes a respective switch contact to produce a distinct function, e.g., an al0phanumeric character.

REFERENCES:
patent: 4584443 (1986-04-01), Yaeger
patent: 4680577 (1987-07-01), Straayer et al.
patent: 4931781 (1990-06-01), Miyakawa
IBM Technical Disclosure Bulletin, vol. 26, No. 7B, Dec. 1983--R. W. Truelson.

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