Piano-style keyboard attachment for computer keyboard

Details Piano-style keyboard attachment for computer keyboard Piano-style keyboard attachment for computer keyboard

1998-05-11

1999-10-26

Burr, Edgar

Typewriting machines

Key-board or key lever-actuating mechanism

Including mechanism for activating keys

400 82, 84425, 84744, G10C 312

Patent

active

059716355

ABSTRACT:
The present invention is a piano-style attachment apparatus for a computer keyboard comprising a base, a plurality of piano-styled keys hinged to said base, and anchors for anchoring the apparatus over the computer keyboard. Each piano-styled key has a protrusion extending downwardly for striking a corresponding computer key. The anchors comprise walls which extend deep in between computer keys in order to secure the apparatus to the computer keyboard.

REFERENCES:
patent: 4158130 (1979-06-01), Speraw et al.
patent: 4297044 (1981-10-01), Hornberg et al.
patent: 4352313 (1982-10-01), Ny
patent: 4704940 (1987-11-01), Cummings

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