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发明名称
阻抗可变的电动式扬声器
摘要
这项发明,改变了以往的一只扬声器上,只有一种阻抗的状况。使一只扬声器上具有三种阻抗,它是由原来的一只扬声器上只有一组音圈变为两组音圈。并用这两组通过串联或并联来实现的/6欧或4欧阻抗的。根据它有两组音圈的特点,可用于小功率有输出变压器,输出扼流圈的功放电路里,取代这两种元件,减少机器重量和成本,提高音质用它制做的音箱,可以用一只波段开关控制阻抗,它可用于立体声展宽和高低音控制电路中。
申请公布号
CN1039944A
申请公布日期
1990.02.21
申请号
CN88104579.9
申请日期
1988.07.16
申请人
吴洪洲
发明人
吴洪洲
分类号
H04R9/06
主分类号
H04R9/06
代理机构
代理人
主权项
它是由音圈、纸盆、弹性板、磁铁、铁架组成。其特征是:音圈用双线并绕而成。根据这个特点,它有四个接线片,并且两组线的阻抗相同,都为8欧,这两组线可串联或并联使用。
地址
辽宁省建平县北二十家子镇扎兰营子村
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