SPEAKER DIAPHRAGM AND HEADPHONE

To provide a speaker diaphragm capable of suppressing a decrease in vibration propagation speed while increasing a frequency reproduction range.SOLUTION: A speaker diaphragm 1 according to the present invention includes a mixed layer 11 containing cellulose nanofibers and polyparaphenylene benzobiso...

Full description

Saved in:
Bibliographic Details
Main Authors SANO TSUNENORI, NAKAJIMA HIROSHI
Format Patent
LanguageEnglish
Japanese
Published 11.06.2020
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
Online AccessGet full text

Cover

More Information
Summary:To provide a speaker diaphragm capable of suppressing a decrease in vibration propagation speed while increasing a frequency reproduction range.SOLUTION: A speaker diaphragm 1 according to the present invention includes a mixed layer 11 containing cellulose nanofibers and polyparaphenylene benzobisoxazole fibers.SELECTED DRAWING: Figure 1 【課題】周波数の再生レンジを大きくしつつ、振動伝播速度の低下を抑制することができるスピーカー振動板の提供を課題とする。【解決手段】本発明に係るスピーカー振動板１は、セルロースナノファイバー及びポリパラフェニレンベンゾビスオキサゾール繊維を含む混抄層１１を備える。【選択図】図１
Bibliography:Application Number: JP20180228738