发明名称 ANTENNA DEVICE AND RFID TAG READER HAVING THE SAME
摘要 An antenna device includes a first conductive plate, a second conductive plate, arranged in parallel with the first conductive plate, which has at least one slot formed thereon, a power feeding element located between the first and second conductive plates to feed power to the first conductive plate, and a shutter configured to be movable to close/open the slot of the second conductive plate.
申请公布号 US2011062234(A1) 申请公布日期 2011.03.17
申请号 US20100874461 申请日期 2010.09.02
申请人 TOSHIBA TEC KABUSHIKI KAISHA 发明人 OISHI SADATOSHI
分类号 G06K7/00;H01Q13/10 主分类号 G06K7/00
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