发明名称 |
ANTENNA DEVICE AND TRANSMITTING/RECEIVING DEVICE |
摘要 |
Two circular waveguides 1 and 3, each having a propagation mode in a TM01 mode, are arranged coaxially with each other while a waveguide-side choke 4 is provided between the waveguides. To a fixed-side circular waveguide 1, a rectangular waveguide 2 is connected. Thereby, the high-frequency signal fed from the rectangular waveguide 2 to the fixed-side circular waveguide 1 can be radiated from a primary radiator 5 to which a rotation-side circular waveguide 3 is connected. While the circular waveguides 1 and 3 and the waveguide-side choke. 4 can constitute a rotary joint, by rotating the primary radiator 5 together with the rotation-side circular waveguide 3, scanning can be carried out with a high-frequency signal radiated from the primary radiator 5. <IMAGE>
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申请公布号 |
EP1542310(A1) |
申请公布日期 |
2005.06.15 |
申请号 |
EP20030797519 |
申请日期 |
2003.08.13 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
KITAMORI, NOBUMASA;NAGAI, TOMOHIRO |
分类号 |
H01P1/06;H01Q3/04;H01Q13/02;H01Q21/20;(IPC1-7):H01Q3/04 |
主分类号 |
H01P1/06 |
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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