SPEAKER UNIT

To prevent a standing wave from being generated in an internal space of a magnetic circuit in a speaker unit.SOLUTION: A compression driver 100 includes: a yoke 131 including a bottom face part 131b and a protruding part 131v opposed to the bottom face part 131b; a magnet 132 disposed on the bottom...

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Bibliographic Details
Main Authors SANO TSUNENORI, YOSHIDA AZUMI, SUENAGA TSUKASA
Format Patent
LanguageEnglish
Japanese
Published 13.12.2022
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:To prevent a standing wave from being generated in an internal space of a magnetic circuit in a speaker unit.SOLUTION: A compression driver 100 includes: a yoke 131 including a bottom face part 131b and a protruding part 131v opposed to the bottom face part 131b; a magnet 132 disposed on the bottom face part 131b; a top plate 133 disposed on the magnet 132 and forming a magnetic gap AG between the top plate and the protruding part 131v; a voice coil 113 disposed in the magnetic gap AG; and a partition member 161 disposed away from the bottom face part 131b within a space BS enclosed by the yoke 131, the magnet 132 and the top plate 133, and including an opening 162 at least in a portion.SELECTED DRAWING: Figure 1 【課題】 スピーカユニットにおける磁気回路の内部空間に発生する定在波を抑制する。【解決手段】 コンプレッションドライバ１００は、底面部１３１ｂと底面部１３１ｂに対する突出部１３１ｖとを有するヨーク１３１と、底面部１３１ｂ上に配置される磁石１３２と、磁石１３２上に配置され、突出部１３１ｖとの間に磁気ギャップＡＧを形成するトッププレート１３３と、磁気ギャップＡＧに配置されるボイスコイル１１３と、ヨーク１３１、磁石１３２およびトッププレート１３３により囲まれる空間ＢＳ内に底面部１３１ｂから離れて配置され、少なくとも一部に開口部１６２を有する仕切部材１６１と、を含む。【選択図】図１
Bibliography:Application Number: JP20210091039