发明名称 Method of forming an electret condenser microphone
摘要 An electret condenser microphone includes a casing member, a circuit board disposed in the casing member, an electrically insulating member disposed on the circuit board and having an outer surface opposing and spaced apart from the casing member, and an inner surface defining a central opening, an electrode plate mounted on the electrically insulating member, a plurality of electrically connecting members each intervening between the circuit board and the electrode plate to have the circuit board and the electrode plate electrically connected with each other, each of the electrically connecting members having a first portion disposed along the inner surface of the electrically insulating member, a second portion integrally formed with the first portion and radially outwardly extending from one end of the first portion, and a third portion integrally formed with the first portion and radially outwardly extending from the other end of the first portion, and a diaphragm disposed along the electrode plate and spaced apart from the electrode plate at a predetermined space distance.
申请公布号 US7233675(B2) 申请公布日期 2007.06.19
申请号 US20060367128 申请日期 2006.03.03
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 KAJIHARA KAZUHIKO;HIMORI TOORU
分类号 H04R25/00;H04R19/01;H04R31/00 主分类号 H04R25/00
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