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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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