发明名称 ANTENNA APPARATUS AND ARTICLE MANAGEMENT SYSTEM
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.
申请公布号 US2007262903(A1) 申请公布日期 2007.11.15
申请号 US20070747474 申请日期 2007.05.11
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 YAMADA AKIKO;SEKINE SHUICHI
分类号 H01Q1/38 主分类号 H01Q1/38
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