Expandable keyboard including flexible flat cable conductors

Details Expandable keyboard including flexible flat cable conductors Expandable keyboard including flexible flat cable conductors

1999-06-02

2000-07-25

Hilten, John S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-cap or key-stem structure

400490, 361680, B41J 516

Patent

active

060929448

ABSTRACT:
An alphanumeric keyboard whose keys are mounted on a scissor-linkage and have interlocking sides that allow said keyboard to contract to a width that is considerably less than the width of a standard desktop computer keyboard and which is operable when open or closed.

REFERENCES:
patent: 3900712 (1975-08-01), Fukao
patent: 3940758 (1976-02-01), Mangolin
patent: 5187644 (1993-02-01), Crissan
patent: 5951178 (1999-09-01), Lim

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