DIAPHRAGM, LOUDSPEAKER USING SAME, AND ELECTRONIC DEVICE AND MOBILE DEVICE USING LOUDSPEAKER

DIAPHRAGM, LOUDSPEAKER USING SAME, AND ELECTRONIC DEVICE AND MOBILE DEVICE USING LOUDSPEAKER

The diaphragm has a paper base layer and a papermaking layer. The papermaking layer is formed on a surface of the paper base layer. The paper base layer contains natural fibers and thermoplastic resin, and is formed by a papermaking process with a mixture of the natural fibers and the resin. The pap...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JIN, YOHEI, KAJIHARA, YOSHIMICHI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:The diaphragm has a paper base layer and a papermaking layer. The papermaking layer is formed on a surface of the paper base layer. The paper base layer contains natural fibers and thermoplastic resin, and is formed by a papermaking process with a mixture of the natural fibers and the resin. The papermaking layer, contains fibers each having a tensile elastic modulus of 150 GPa or greater, and is formed by a papermaking process with the fibers.