发明名称 Condenser microphone
摘要 A condenser microphone includes: a casing including a peripheral wall that has a top end and a bottom end defining a bottom opening, and a flange that is bent inwardly from the top end of the peripheral wall; a substrate having an inner surface that is attached to the bottom end, that covers the bottom opening, and that cooperates with the peripheral wall and the flange to define an accommodating space thereamong; a diaphragm-and-ring assembly disposed in the accommodating space; a spacer disposed in the accommodating space between the diaphragm-and-ring assembly and the inner surface of the substrate; and a backplate.
申请公布号 US2007041596(A1) 申请公布日期 2007.02.22
申请号 US20050199164 申请日期 2005.08.09
申请人 PAN DAVID;CHANG WILLIAM;CHANG JACK 发明人 PAN DAVID;CHANG WILLIAM;CHANG JACK
分类号 H04R25/00 主分类号 H04R25/00
代理机构 代理人
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