Electronically Amplified Patents (Class 84/376EA)
  • Patent number: 4383463
    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.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: May 17, 1983
    Assignee: Farfisa S.p.A.
    Inventor: Lucio M. Aliprandi