Keyboard

Details Keyboard Keyboard

1993-12-13

1996-11-19

Bennett, Christopher A.

Typewriting machines

Key-board or key lever-actuating mechanism

400486, 400 88, 341 22, B41J 510

Patent

active

055755763

ABSTRACT:
A keyboard for the input of alphanumeric data. The keyboard consists of two or more sections which can be compacted for transport by placing portions of at least one section inside another section; the keyboard can be expanded for use to permit the keyboard to take on a size and spacing corresponding to that found in a keyboard for a conventional full sized typewriter or personal computer.

REFERENCES:
patent: 3940758 (1976-02-01), Margolin
patent: 4395704 (1983-07-01), Kishimoto et al.
patent: 4517660 (1985-05-01), Fushimoto et al.
patent: 4939514 (1990-07-01), Miyazaki
patent: 5212473 (1993-05-01), Louis
IBM Tech. Disclosure Bulletin, vol. 27, No. 4A, Sep. 1984 "Briefcase-Portable Textwriter with 100-Key Full-Size Keyboard".

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