发明名称 Electroacoustic sound transducer, receiver and microphone
摘要 There is provided a dynamic sound transducer having a diaphragm with a ridge. First and second grooves (20, 30) are arranged on a first side of the ridge in such a way that the first and second grooves cross each other.
申请公布号 US8345916(B2) 申请公布日期 2013.01.01
申请号 US20080598035 申请日期 2008.05.19
申请人 SENNHEISER ELECTRONIC GMBH & CO. KG;SCHULZE ELMAR;KUHR MARKUS 发明人 SCHULZE ELMAR;KUHR MARKUS
分类号 H04R25/00 主分类号 H04R25/00
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