SOUND RADIATION APPRATUS, ELECTRONIC MUSICAL INSTRUMENT, AND SOUND RADIATION APPRATUS FABRICATION METHOD

A sound radiation apparatus includes a speaker, a first cover having an opening area provided to be superposed above at least a sound radiation port of the speaker and made up of multiple opening portions at a location superposed above the speaker, a second cover superposed on a front side of the fi...

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Bibliographic Details
Main Authors Shimada, Kazuo, Katoh, Hirokatsu, Akai, Hiroki, Moriya, Takahiro
Format Patent
LanguageEnglish
French
German
Published 28.06.2023
Subjects
ACOUSTICS
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROPHONIC MUSICAL INSTRUMENTS
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
MUSICAL INSTRUMENTS
PHYSICS
PUBLIC ADDRESS SYSTEMS
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Summary:A sound radiation apparatus includes a speaker, a first cover having an opening area provided to be superposed above at least a sound radiation port of the speaker and made up of multiple opening portions at a location superposed above the speaker, a second cover superposed on a front side of the first cover while surrounding the opening area of the first cover, and a saran net covering the first cover and a front side of the second cover and bonded to the second cover, wherein the second cover and the saran net are bonded together at an area on the second member excluding a portion surrounding the opening area of the first cover with a first adhesive and an area on the second cover surrounding the opening area of the first cover with a second adhesive having a higher bonding strength than that of the first adhesive.
Bibliography:Application Number: EP20220213833