PARAMETRIC SPEAKER

PROBLEM TO BE SOLVED: To provide a parametric speaker which is for obtaining the reproduced audible sound of a high sound pressure in a desired range and position while miniaturizing the entire apparatus, and is excellent in assembleability and maintainability. SOLUTION: A plurality of ultrasonic vi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ARAI TAKESHI, KANBE NAOKI, YONEZAWA YOSHIMICHI, MARUYAMA HIROO, NAKAMURA TORU
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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