OSCILLATORY COMPONENT FOR LOUDSPEAKERS, LOUDSPEAKER COMPRISING SAME, AND MOBILE DEVICE EQUIPPED WITH SAID LOUDSPEAKER

A vibration component for loudspeakers includes a base layer, an intermediate layer, and a coating layer. The base layer has a front face and a rear face, has a first density, and is formed of a paper body containing a plurality of fibers. The intermediate layer has a first face joined to the front...

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Bibliographic Details
Main Authors TAKAHASHI Yoshiyuki, DAN Takayuki, SHIBUYA Tomonori, ITANO Tetsushi, NAKAMURA Nobuo
Format Patent
LanguageEnglish
French
German
Published 20.03.2019
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:A vibration component for loudspeakers includes a base layer, an intermediate layer, and a coating layer. The base layer has a front face and a rear face, has a first density, and is formed of a paper body containing a plurality of fibers. The intermediate layer has a first face joined to the front face of the base layer, and a second face on a reverse side of the intermediate layer from the first face, has a second density higher than the first density, and includes a plurality of cellulose fibers as a main component. The coating layer is provided on the second face of the intermediate layer, and includes an inorganic powder formed of a plurality of inorganic fine particles.
Bibliography:Application Number: EP20170823954