Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1984-02-24

1986-01-28

Witkowski, S. J.

Music

Instruments

84 127, 84DIG14, G10H 134, G10H 146

Patent

active

045663637

ABSTRACT:
A through hole is formed in the top wall of an inhalation hole which communicates with the outside by means of an elongate channel. The through hole is closed by an elastic member having a bulging portion. A projection is formed in the center of the bulging portion, and retains the extreme end of a movable contact of a contact mechanism. A fixed contact is fixed on a circuit board. When the bulging portion is depressed downward by inhalation, the movable contact is brought into touch with the fixed contact to produce an input signal.

REFERENCES:
patent: 2455032 (1948-11-01), Williams
patent: 2745307 (1956-05-01), Elsasser
patent: 3322875 (1967-05-01), Roll et al.
patent: 4252045 (1981-02-01), Nagura
patent: 4385541 (1983-05-01), Muller et al.

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