HORN SPEAKER, LOUDSPEAKER UNIT, MEGAPHONE, HORN, ADAPTER, AND BROADCASTING SYSTEM

To provide a horn speaker, loudspeaker unit, megaphone, horn, adapter, and broadcasting system, capable of reducing generation of a backward turn-around sound.SOLUTION: A horn speaker 1 includes: a driver unit 2 forming a sound; a horn 3 installed on the driver unit 2 and a phase adjustment board 6...

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Bibliographische Detailangaben
Hauptverfasser:	YONEHARA TOSHIO, FUKUYAMA KAZUO
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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Beschreibung
Zusammenfassung:	To provide a horn speaker, loudspeaker unit, megaphone, horn, adapter, and broadcasting system, capable of reducing generation of a backward turn-around sound.SOLUTION: A horn speaker 1 includes: a driver unit 2 forming a sound; a horn 3 installed on the driver unit 2 and a phase adjustment board 6 arranged at an outer periphery of an opening end 4 of the horn 3. The phase adjustment board 6 is installed on the horn 3 so that a sound runs between the opening end 4 of the horn 3 and the phase adjustment board 6.SELECTED DRAWING: Figure 1 【課題】後方の回り込む音を低減できるホーンスピーカー、スピーカーユニット、メガホン、ホーン、アダプター、及び放送システムを提供する。【解決手段】ホーンスピーカー１は、音を形成するドライバユニット２と、ドライバユニット２に取り付けられるホーン３と、ホーン３の開口端４の外周に配置される位相調整板６とを備える。位相調整板６は、ホーン３の開口端４と位相調整板６との間に音が通過する隙間Ｓが形成されるようにホーン３に取り付けられる。【選択図】図１