发明名称 Speaker, Method of Manufacture Therefore, and Speaker Attenuation System, Method and Apparatus
摘要 A speaker attenuation system includes an attenuating member comprised primarily of open cell foam or other suitable material and having a size and a shape operable to attenuate a speaker when positioned in a central beam region of the speaker. A positioning mechanism positions the attenuating member predominantly in the central beam region of the speaker by attaching the attenuating member to the speaker.
申请公布号 US2008247583(A1) 申请公布日期 2008.10.09
申请号 US20070867285 申请日期 2007.10.04
申请人 LAMARRA FRANK 发明人 LAMARRA FRANK
分类号 H04R1/20 主分类号 H04R1/20
代理机构 代理人
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