ACOUSTIC DIAPHRAGM

PROBLEM TO BE SOLVED: To provide an acoustic diaphragm excellent in Young's modulus and internal loss (tan δ).SOLUTION: The acoustic diaphragm includes a paper body substantially containing only cellulose nanofibers. In one embodiment, the cellulose nanofibers are unoxidized cellulose nanofiber...

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Bibliographic Details
Main Authors KUMO HIROYASU, FUJII TAKAYA
Format Patent
LanguageEnglish
Japanese
Published 20.07.2017
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:PROBLEM TO BE SOLVED: To provide an acoustic diaphragm excellent in Young's modulus and internal loss (tan δ).SOLUTION: The acoustic diaphragm includes a paper body substantially containing only cellulose nanofibers. In one embodiment, the cellulose nanofibers are unoxidized cellulose nanofibers.SELECTED DRAWING: Figure 1 【課題】ヤング率および内部損失（ｔａｎδ）に優れる音響振動板を提供すること。【解決手段】 本発明の音響振動板は、実質的にセルロースナノファイバーのみを含む抄紙体から構成される。１つの実施形態においては、上記セルロースナノファイバーが、未酸化セルロースナノファイバーである。【選択図】図１
Bibliography:Application Number: JP20160006023