Keyboard key return and motion sensing mechanisms incorporating

Details Keyboard key return and motion sensing mechanisms incorporating Keyboard key return and motion sensing mechanisms incorporating

1994-11-22

1996-04-09

Stanzione, Patrick J.

Music

Instruments

General features

84719, 84744, 84DIG7, 200343, 400479, 400490, G10C 312

Patent

active

055051154

ABSTRACT:
A keyboard includes a key which drives a swing arm. The swing arm transfers return force from a coil spring or other return force mechanism to the key. The rotational axis of the swing arm is perpendicular to the length of the keyboard. Various key position sensing means utilizing the swing arm are disclosed as well.

REFERENCES:
patent: 5010219 (1991-04-01), Kato
patent: 5243125 (1993-09-01), Yamaguchi

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