| 发明名称 |
ANTENNA DEVICE APPLICABLE FOR TWO DIFFERENT FREQUENCY BANDS |
| 摘要 |
A branching filter using dielectric elements is disposed on the side of one of a pair of reflectors for reflecting emitted or incident waves, the branching filter being capable of reflecting one of the two frequency group components and of transmitting the other frequency group component to branch and converge the two components at different points.
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| 申请公布号 |
US3763493(A) |
申请公布日期 |
1973.10.02 |
| 申请号 |
USD3763493 |
申请日期 |
1971.10.06 |
| 申请人 |
NIPPON TELEGRAPH AND TELEPHONE PUBLIC CORP,JA |
发明人 |
SHIMADA S,JA;KOYAMA M,JA;KUMAZAWA H,JA;KARIKOMI M,JA |
| 分类号 |
H01Q15/14;H01Q5/00;H01Q15/00;H01Q19/10;H01Q19/18;(IPC1-7):H01Q19/14 |
主分类号 |
H01Q15/14 |
| 代理机构 |
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