Key driving apparatus and keyboard musical instrument

Details Key driving apparatus and keyboard musical instrument Key driving apparatus and keyboard musical instrument

2007-03-08

2009-06-16

Warren, David S. (Department: 2837)

Music

Instruments

Automatic

C084S022000, C084S730000

Reexamination Certificate

active

07547833

ABSTRACT:
A key driving apparatus for driving a key may include, but is not limited to, a first elastically deformable unit. The first elastically deformable unit is configured to receive a first control voltage. The first elastically deformable unit is configured to show elastic deformations of stretch and shrinkage based on the level of the first control voltage. The first elastically deformable unit is configured to allow the key to be driven by the elastic deformations of stretch and shrinkage of the first elastically deformable unit.

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