Key guide apparatus for electronic musical instrument

Details Key guide apparatus for electronic musical instrument Key guide apparatus for electronic musical instrument

1990-10-24

1991-12-03

Broome, Harold

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

84434, H01H 926, G10C 312

Patent

active

050702181

ABSTRACT:
A key guide apparatus for an electronic musical instrument, having a plurality of keyboard switches, such as an electronic organ. Keyboard switches utilizing a movable contact are contained in a flexible member and stationary contacts are disposed on a switch base plate which is attached to a lower surface of a keyboard frame in a cantilevered manner. An integrally formed key guide having a plurality of key guide pieces and a retaining member is attached to the keyboard frame such that the retaining member is in contact with the switch base plate to prevent the base plate from deflecting, which would result in time delay after depression of the keys.

REFERENCES:
patent: 4043244 (1977-08-01), Schrecongost et al.
patent: 4272657 (1981-06-01), Iijima
patent: 4474100 (1984-10-01), Kondo

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