发明名称 Speaker Apparatus
摘要 A speaker apparatus according to the present invention includes a phase inversion-type enclosure in which a speaker unit and a bass reflex port are installed, the bass reflex port having a tubular body whose hollow cross-sectional area gradually becomes smaller from one opening side toward an inside of the bass reflex port in an axial direction of the bass reflex port, and a length in one direction of the hollow cross section of the tubular body not changing and constant along the axial direction.
申请公布号 US2011303481(A1) 申请公布日期 2011.12.15
申请号 US201113216527 申请日期 2011.08.24
申请人 ARAI AKIRA;YAMAHA CORPORATION 发明人 ARAI AKIRA
分类号 H05K5/02 主分类号 H05K5/02
代理机构 代理人
主权项
地址