发明名称 Loudspeaker
摘要 In a loudspeaker, the diaphragm is connected to the edge member fixedly secured to the frame through an intermediate supporting means, at least one part of the intermediate supporting means is made of a material having a low hysteresis characteristic. According to another aspect of the invention, the construction of a loudspeaker is such that the diaphragm supporting means is separated from the airtight means of the diaphragm, so that the loudspeaker can operate in response to even a small signal with high fidelity.
申请公布号 US4235302(A) 申请公布日期 1980.11.25
申请号 US19780883986 申请日期 1978.03.06
申请人 TSUKAMOTO, KENKICHI 发明人 TSUKAMOTO, KENKICHI
分类号 H04R7/16;H04R7/20;H04R9/04;H04R9/06;(IPC1-7):H04R7/20 主分类号 H04R7/16
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