发明申请
- 专利标题: Tunable antenna device and radio apparatus
- 专利标题(中): 可调谐天线装置和无线电装置
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申请号: US12001196申请日: 2007-12-10
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公开(公告)号: US20080266190A1公开(公告)日: 2008-10-30
- 发明人: Isao Ohba , Satoshi Mizoguchi , Hiromichi Suzuki , Koichi Sato
- 申请人: Isao Ohba , Satoshi Mizoguchi , Hiromichi Suzuki , Koichi Sato
- 申请人地址: JP Tokyo
- 专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2007-119698 20070427
- 主分类号: H01Q1/00
- IPC分类号: H01Q1/00 ; H01Q1/24
摘要:
An antenna device configured to be fed at a feed portion included in a printed board of a radio apparatus is provided. The antenna device has a feed element connected to the feed portion. The antenna device has a first parasitic element at least a portion of which is arranged close and electrically coupled to at least a portion of the feed element. The first parasitic element is loaded with a first frequency shifter. The antenna device has a second parasitic element at least a portion of which is arranged close and electrically coupled to at least a portion of the feed element. The second parasitic element is loaded with a second frequency shifter.
公开/授权文献
- US07675469B2 Tunable antenna device and radio apparatus 公开/授权日:2010-03-09
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