发明授权
- 专利标题： Antenna device adapted for portable radio apparatus
- 专利标题（中）： 适用于便携式无线电设备的天线装置
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申请号： US11973807申请日： 2007-10-10
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公开(公告)号： US07847750B2公开(公告)日： 2010-12-07
- 发明人: Isao Ohba , Takashi Amano , Akihiro Tsujimura , Satoshi Mizoguchi , Koichi Sato
- 申请人： Isao Ohba , Takashi Amano , Akihiro Tsujimura , Satoshi Mizoguchi , 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
- 代理机构： Holtz, Holtz, Goodman & Chick, PC
- 优先权： JP2006-338273 20061215
- 主分类号： H01Q1/00
- IPC分类号： H01Q1/00
摘要：
An antenna device includes a printed circuit board and an antenna element. The printed circuit board has a face a portion of which is formed by a conductive layer overlaid with a magnetic material layer made of anisotropic magnetic material. The magnetic material layer is arranged in such a way that a hard magnetization axis of the anisotropic magnetic material is directed almost parallel to the face. The antenna element is arranged almost parallel to the printed circuit board on a side of the face. The antenna element is arranged in such a way that an antenna current distributed on the antenna element if the antenna element is excited is directed almost perpendicular to the hard magnetization axis.
公开/授权文献
- US20080143627A1 Antenna device adapted for portable radio apparatus 公开/授权日：2008-06-19