SPEAKER

PROBLEM TO BE SOLVED: To solve the problem wherein sound pressure of high frequency falls and the high frequency must be boosted by a circuit to compensate the fall of the high frequency while two speakers are arranged at an angle of 180 degrees in the case of obtaining a wide sound field. SOLUTION:...

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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