发明名称 DIRECTIONAL FILTER
摘要 PURPOSE:To improve the impedance properties when viewed from the line as well as to facilitate an easy adjustment via the hybrid function of the electronic circuit which is installed between the transformer and the filter and excels in the impedance properties and the detouring attenuation quantity properties.
申请公布号 JPS5412660(A) 申请公布日期 1979.01.30
申请号 JP19770077201 申请日期 1977.06.30
申请人 HITACHI LTD 发明人 HIROSE KAZUTO;SUZUKI TOSHIROU
分类号 H04B3/03;H03H11/34;H03H11/36 主分类号 H04B3/03
代理机构 代理人
主权项
地址