AUDIO SPOT FORMING DEVICE

In an audio spot formation device D including a speaker unit 1 and a support stand 2 that supports the speaker unit 1, the speaker unit 1 includes a plurality of parametric speakers 1a, 1b, 1c and 1d that divide a sound wave into a carrier wave and a sideband wave and radiate the carrier wave and th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OGUCHI, Suguru, YANAGI, Shuichi, ARATAKE, Atsushi, KASAHARA, Hisatoshi, YOSHIMURA, Yusuke, IKEGUCHI, Yuta
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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