发明名称 SPEAKER WITH GRAINED ZEOLITE MATERIAL IN DEEP-DRAWN FOIL RESONANCE VOLUME
摘要 An audio system that comprises an electro- acoustic transducer mounted onto a housing that forms a resonance volume which is at least partially filled with sound absorbing material, wherein the housing is realized with a deep- drawn foil at least partially filled with grains of the sound absorbing material.
申请公布号 WO2015037977(A2) 申请公布日期 2015.03.19
申请号 WO2014MY00228 申请日期 2014.09.09
申请人 KNOWLES IPC (M) SDN. BHD. 发明人 SCHÖFFMANN, MICHAEL;HEROLD, JOSEF;WASINGER, HELMUT;HANNAH, MARK
分类号 H04R1/02 主分类号 H04R1/02
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