发明名称 VARIABLE ATTENUATOR
摘要 PURPOSE:To obtain the variable attenuator with excellent performance, by mounting a movable metallic plate providing an electromagnetic wave absorbing body to the external side of the waveguide providing coupling window and by changing the coupling amount to the electromagnetic wave absorbing body.
申请公布号 JPS5413245(A) 申请公布日期 1979.01.31
申请号 JP19770077754 申请日期 1977.07.01
申请人 NIPPON TELEGRAPH & TELEPHONE 发明人 SAITOU TAKAYA;NAKAMURA MAKOTO
分类号 H01P1/22;(IPC1-7):01P1/22 主分类号 H01P1/22
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