发明名称 Condenser microphone and method for manufacturing condenser microphones
摘要 A back plate having a stationary back electrode is secured to a substrate. A diaphragm electrode is mounted on the back plate interposing a spacer. A frame having a sound collecting hole is mounted on the diaphragm electrode.
申请公布号 EP1261234(A3) 申请公布日期 2007.11.07
申请号 EP20020253357 申请日期 2002.05.14
申请人 CITIZEN ELECTRONICS CO., LTD. 发明人 TANABE, HARUHISA;HORIUCHI, MEGUMI
分类号 H04R19/04;H04R31/00 主分类号 H04R19/04
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