发明名称 Directional microphone
摘要 A unidirectional dynamic microphone provided with a first sound path to the forward side of the diaphragm and a second sound path to the rear side of the diaphragm in which the second sound path has a chamber coupled to a second chamber associated with the diaphragm through a distributed acoustic RC damping assembly.
申请公布号 US4410770(A) 申请公布日期 1983.10.18
申请号 US19810271621 申请日期 1981.06.08
申请人 ELECTRO-VOICE, INCORPORATED 发明人 HAGEY, LEE
分类号 H04R1/22;H04R1/38 主分类号 H04R1/22
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