发明授权
US07714787B2 Antenna, and wireless module, wireless unit and wireless apparatus having the antenna
有权
天线和无线模块，具有天线的无线单元和无线设备
- 专利标题： Antenna, and wireless module, wireless unit and wireless apparatus having the antenna
- 专利标题（中）： 天线和无线模块，具有天线的无线单元和无线设备
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申请号： US11448128申请日： 2006-06-07
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公开(公告)号： US07714787B2公开(公告)日： 2010-05-11
- 发明人: Satoshi Adachi , Makoto Katagishi , Ikuo Murata , Masumi Iwamura , Ken Takei , Takahiro Sugiyama , Yohei Shirakawa
- 申请人： Satoshi Adachi , Makoto Katagishi , Ikuo Murata , Masumi Iwamura , Ken Takei , Takahiro Sugiyama , Yohei Shirakawa
- 申请人地址： JP Tokyo JP Iwate JP Tokyo
- 专利权人： Hitachi, Ltd.,Hitachi Media Electronics Co., Ltd.,Hitachi Cable, Ltd.
- 当前专利权人： Hitachi, Ltd.,Hitachi Media Electronics Co., Ltd.,Hitachi Cable, Ltd.
- 当前专利权人地址： JP Tokyo JP Iwate JP Tokyo
- 代理机构： McDermott Will & Emery LLP
- 优先权： JP2005-166671 20050607
- 主分类号： H01Q1/24
- IPC分类号： H01Q1/24
摘要：
In an antenna that has high sensitivity to frequencies of narrow bands and over a wide band and that can be small-sized, and in a wireless module, wireless unit and wireless apparatus using this antenna, the antenna is comprised of a transmission line, and variable capacitance means connected to this transmission line, and the variable capacitance means controls the resonant frequency.
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