| 发明名称 |
2-FREQUENCY ANTENNA |
| 摘要 |
<p>An umbrella-shaped crown unit (5a) is provided at the tip end of a linear element unit (5b), the tip end of the crown unit (5a) being connected with a feed unit (6a) at the lower end of the element unit (5b) by a turn-back element (5c), thereby enabling a 2-frequency antenna (5) to operate in two different frequency bands.</p> |
| 申请公布号 |
WO0221637(A1) |
申请公布日期 |
2002.03.14 |
| 申请号 |
WO2001JP07603 |
申请日期 |
2001.09.03 |
| 申请人 |
NIPPON ANTENA KABUSHIKI KAISHA;WAKUI, MASASHI;SHIMIZU, HIROSHI |
发明人 |
WAKUI, MASASHI;SHIMIZU, HIROSHI |
| 分类号 |
H01Q1/22;H01Q1/32;H01Q1/42;H01Q5/00;H01Q5/01;H01Q9/36;(IPC1-7):H01Q9/36 |
主分类号 |
H01Q1/22 |
| 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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