A key switch device for an electronic musical in strument having a frame body made, for
example, of plastics material having at least one longitudinal member and a pair of spaced …

The size of the key Switch apparatus, particularly its height, is reduced to allow its use even
in keyboard-type electronic musical instruments. By virtue of a key-driven actuator, multiple …

This invention relates to electrical switches required to raise less mechanical noises and
more particularly, but not for limitation, to key switches for electronic musical instruments. In …