发明名称 |
Antenna apparatus and article management system |
摘要 |
<p>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.</p> |
申请公布号 |
EP1855352(A1) |
申请公布日期 |
2007.11.14 |
申请号 |
EP20070251944 |
申请日期 |
2007.05.11 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
YAMADA, AKIKO;SEKINE, SHUICHI |
分类号 |
H01Q1/22;H01Q13/20;H01Q21/00;H01Q21/12 |
主分类号 |
H01Q1/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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