ACOUSTIC TRANSFORMER EQUALIZER

PROBLEM TO BE SOLVED: To achieve the composite function of a voice compression function, a phase maintenance function, and a radiation efficiency enhancement function, without compromising the original speech waveform, in the equalizer of a horn speaker.SOLUTION: The equalizer of a horn speaker is a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OISHI KUNIO, OGA TOSHIRO, MAEDA KAZUAKI, NEGISHI HIROKAZU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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