Music – Instruments
Patent
1981-02-05
1983-05-17
Witkowski, Stanley J.
Music
Instruments
84376EA, 84DIG15, G10D 1100, G10H 146
Patent
active
043834639
ABSTRACT:
Musical bellows instrument comprising an electro-pneumatic switching device, operated by the change in air pressure generated by the bellows movement to control a set of control gates for the registers, sets of registers or effect circuits of the musical instrument. The switching device comprises a fixed section secured to the instrument and a movable section secured to a flexible membrane sealing in an opening communicating with the interior of the bellows.
REFERENCES:
patent: 3406243 (1968-10-01), Soprani
patent: 3918343 (1975-11-01), Gumina
patent: 4043242 (1977-08-01), Cavicchio
Farfisa S.p.A.
Witkowski Stanley J.
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