发明授权
- 专利标题： Antenna apparatus and article management system
- 专利标题（中）： 天线设备和物品管理系统
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申请号： US11747474申请日： 2007-05-11
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公开(公告)号： US07671805B2公开(公告)日： 2010-03-02
- 发明人: Akiko Yamada , Shuichi Sekine
- 申请人： Akiko Yamada , Shuichi Sekine
- 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： Kimble Intellectual Property Law, PLLC
- 优先权： JPP2006-134545 20060512
- 主分类号： H01Q1/38
- IPC分类号： H01Q1/38
摘要：
According to an aspect of the invention, there is provide an antenna apparatus including: a conductive element including one end connected to a ground plane via a terminating resistor and the other end to which a power is supplied; and at least one branch conductive element branching from the conductive element and having a tip end which is short-circuited to the ground plane, and an element length of the branch conductive element being approximately a quarter wavelength of an operation frequency.
公开/授权文献
- US20070262903A1 ANTENNA APPARATUS AND ARTICLE MANAGEMENT SYSTEM 公开/授权日：2007-11-15
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