发明名称 Composite electroacoustic transducer.
摘要 <p>The composite electroacoustic transducer for reproducing medium and high frequencies comprises a transducer (3) assigned to reproducing midrange frequencies provided with a dome-shaped membrane (5) which extends in an annular shape. A transducer (4) assigned to reproducing high frequencies is provided with a dome-shaped membrane (11) and is arranged coaxially to the center of the transducer (3) assigned to reproducing midrange frequencies. &lt;IMAGE&gt;</p>
申请公布号 EP0551845(A1) 申请公布日期 1993.07.21
申请号 EP19930100269 申请日期 1993.01.11
申请人 C.I.A.R.E. S.P.A. 发明人 ESPOSTO, LINO
分类号 H04R1/24 主分类号 H04R1/24
代理机构 代理人
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