发明名称 ANTENNA EQUIPMENT
摘要 PURPOSE:Fro the antenna of phase difference power supply system through combination of hybrid half-divider and fixed or variable attenuator, the reflection wave which may cuse ghost is reduced, securing a sharp directivity over a wide range as well as good before-after ratio property.
申请公布号 JPS5255846(A) 申请公布日期 1977.05.07
申请号 JP19750132606 申请日期 1975.11.04
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 KAWAI YUMIO;IKENISHI MICHIROU;OOYAMA HIROSHI
分类号 H01Q21/22;(IPC1-7):01Q21/22 主分类号 H01Q21/22
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