发明公开
- 专利标题： Antenna device
- 专利标题（中）： Antenneneinrichtung
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申请号： EP06021550.6申请日： 2002-03-05
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公开(公告)号： EP1742295A1公开(公告)日： 2007-01-10
- 发明人: Okubora, Akihiko , Hirabayashi, Takayuki , Nakayama, Norikazu , Arai, Hiroyuki
- 申请人： SONY CORPORATION , Arai, Hiroyuki
- 申请人地址： 7-35, Kitashinagawa 6-chome, Shinagawa-ku Tokyo 141-0001 JP
- 专利权人： SONY CORPORATION,Arai, Hiroyuki
- 当前专利权人： SONY CORPORATION,Arai, Hiroyuki
- 当前专利权人地址： 7-35, Kitashinagawa 6-chome, Shinagawa-ku Tokyo 141-0001 JP
- 代理机构： Müller - Hoffmann & Partner
- 优先权： JP2001060788 20010305
- 主分类号： H01Q5/01
- IPC分类号： H01Q5/01 ; H01Q1/38 ; H01Q1/24 ; H01Q13/26
摘要：
The present invention is an antenna apparatus attached to an electronic device and includes an antenna section (11) having an antenna element (18) provided with two or more power supply points (19) and two or more earth points (20); and an earth point switch (21) which is provided correspondingly to each earth point (20) and connects or disconnects the earth point (20) from a ground. Selectively turning on or off the earth point switch (21) selects the earth point to adjust the resonance frequency.
公开/授权文献
- EP1742295B1 Antenna device 公开/授权日：2013-05-08
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