发明名称 MICROPHONE APPARATUS
摘要 <p>A microphone assembly or apparatus comprises a perforated capsule having a microphone unit supported therein and tubular projection communicating with the interior of the capsule. The projection is arranged to be inserted into the auditory canal of a human or dummy head. The microphone unit is located near the opening of the auditory canal.</p>
申请公布号 CA1050655(A) 申请公布日期 1979.03.13
申请号 CA19750238223 申请日期 1975.10.23
申请人 SONY CORPORATION 发明人 YASUDA, HIROSHI
分类号 H04R1/08;H04R5/027;(IPC1-7):04R1/02;04R1/04 主分类号 H04R1/08
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