LOUDSPEAKER

PROBLEM TO BE SOLVED: To provide a loudspeaker capable of solving the problem that sounds emitted from a back surface of a speaker driver to the inside of a speaker box must be more efficiently removed. SOLUTION: The loudspeaker includes: a speaker box attached with a speaker driver; an opening port...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	NAKAMICHI NIRO
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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