Speaker diaphragm and speaker structure

A speaker diaphragm includes a base material impregnated with a thermosetting resin composition. The base material includes a first surface material, a core material, and a second surface material in the stated order; the first surface material and the second surface material are each formed of a wo...

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Bibliographische Detailangaben
Hauptverfasser:	KUMO HIROYASU, INOUE TOSHIHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS SOUND-PRODUCING DEVICES
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Beschreibung
Zusammenfassung:	A speaker diaphragm includes a base material impregnated with a thermosetting resin composition. The base material includes a first surface material, a core material, and a second surface material in the stated order; the first surface material and the second surface material are each formed of a woven fabric or a non-woven fabric; and the core material is formed of a woven fabric or a non-woven fabric each including hollow fine particles.