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