发明名称 Electret condenser microphone and method of producing same
摘要 <p>Herein disclosed is an electret condenser microphone which comprises a casing member (110), a circuit board (120) disposed in the casing member (110), an electrically insulating member (130) disposed on the circuit board (120) and having an outer surface (130c) opposing and spaced apart from the casing member (110), and an inner surface (130d) defining a central opening (131), an electrode plate (140) mounted on the electrically insulating member (130), a plurality of electrically connecting members (150) each intervening between the circuit board (120) and the electrode plate (140) to have the circuit board (120) and the electrode plate (140) electrically connected with each other, each of the electrically connecting members (150) having a first portion (151) disposed along the inner surface (130d) of the electrically insulating member (130), a second portion (152) integrally formed with the first portion (151) and radially outwardly extending from one end of the first portion (151), and a third portion (153) integrally formed with the first portion (151) and radially outwardly extending from the other end of the first portion (151), and a diaphragm (170) disposed along the electrode plate (140) and spaced apart from the electrode plate (140) at a predetermined space distance.</p>
申请公布号 EP1257150(B1) 申请公布日期 2011.03.30
申请号 EP20020009370 申请日期 2002.05.06
申请人 PANASONIC CORPORATION 发明人 KAJIHARA, KAZUHIKO;HIMORI, TOORU
分类号 H04R19/01;H04R31/00 主分类号 H04R19/01
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