发明名称 Speaker gasket and its manufacturing method, and speaker device
摘要 A speaker gasket and its manufacturing method, and a speaker device, the speaker gasket formed by a rectangular sheet with a flat opening of a girth of a prescribed length at the center and capable of significantly reducing the amount of wasteful material in manufacturing, the speaker device offering high reliability.
申请公布号 US2005123154(A1) 申请公布日期 2005.06.09
申请号 US20040992626 申请日期 2004.11.18
申请人 SONY CORPORATION 发明人 KOBAYASHI SHINJI
分类号 H04R7/22;H04R7/20;H04R31/00;(IPC1-7):H04R25/00;H04R1/02 主分类号 H04R7/22
代理机构 代理人
主权项
地址