发明名称 EXTENDED DUCT WITH DAMPING FOR IMPROVED SPEAKER PERFORMANCE
摘要 An electronic audio device including an enclosure having an acoustic output opening and a speaker positioned within the enclosure. The speaker and the acoustic output opening are acoustically coupled by an acoustic output pathway. The acoustic output pathway includes a damping chamber to dampen a resonance frequency of the acoustic output pathway. The speaker is between the damping chamber and the acoustic output opening.
申请公布号 CA2791432(C) 申请公布日期 2016.11.01
申请号 CA20122791432 申请日期 2012.10.01
申请人 APPLE INC. 发明人 DIX, GORDON R.;CROSBY, JUSTIN DERRY;JOHNSON, MARTIN E.;MORISHITA, MICHAEL KAI
分类号 H04R1/28 主分类号 H04R1/28
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