KEYBOARD HARMONICA

PROBLEM TO BE SOLVED: To provide a keyboard harmonica capable of adjusting a tone, without complicating the structure.SOLUTION: The opening ratio of a valve packing 40 of a keyboard harmonica 1 for a middle sound range SA2 and a high sound range SA3 is smaller than 1. By this, in a whistle room 10 c...

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Bibliographic Details
Main Author NOGUCHI YOSHITAKA
Format Patent
LanguageEnglish
Japanese
Published 23.08.2018
Subjects
ACCORDIONS OR CONCERTINAS
ACOUSTICS
MUSICAL INSTRUMENTS
MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
PERCUSSION MUSICAL INSTRUMENTS
PHYSICS
STRINGED MUSICAL INSTRUMENTS
WIND MUSICAL INSTRUMENTS
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