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1. 发明授权

US08561912B2 RFID tag having capacitive load 有权
标题翻译：具有容性负载的RFID标签
公开(公告)号：US08561912B2
公开(公告)日：2013-10-22
申请号：US13864695
申请日：2013-04-17
申请人： China Steel Corporation
发明人： Sung-Lin Chen , Yi-An Wu
IPC分类号： G06K19/06
CPC分类号： G06K19/07788 , G06K19/0723 , G06K19/07749 , G06K19/07771 , G06K19/07786 , H01Q1/2225
摘要： The present invention relates to an RFID tag having capacitive load, including: an antenna unit, a capacitive load and an RFID device. The antenna unit includes two metal sheets and a conductive substrate, and the metal sheets are disposed at a corresponding position above the conductive substrate and electrically connected to the conductive substrate. The capacitive load is electrically connected to the metal sheets. The RFID device feeds the antenna unit by electrically connecting to the metal sheets or coupling. This dramatically decreases the operating frequency, so the imaginary part of impedance is higher with the same size of the antenna unit, thereby reducing the size of the RFID tag. As a result, the weight is reduced, the manufacture process is simplified and the subsequent structure can be easily adjusted.
摘要翻译：本发明涉及一种具有容性负载的RFID标签，包括：天线单元，电容性负载和RFID设备。天线单元包括两个金属片和导电基底，并且金属片设置在导电基底上方的相应位置处并电连接到导电基底。电容性负载电连接到金属片。 RFID设备通过电连接到金属片或耦合器馈送天线单元。这大大降低了工作频率，因此与天线单元尺寸相同，阻抗的虚部更高，从而减小了RFID标签的尺寸。结果，减轻了重量，简化了制造过程，并且可以容易地调整后续的结构。

2. 发明授权

US08556185B2 RFID tag having capacitive load 有权
公开(公告)号：US08556185B2
公开(公告)日：2013-10-15
申请号：US13864705
申请日：2013-04-17
申请人： China Steel Corporation
发明人： Sung-Lin Chen , Yi-An Wu
IPC分类号： G06K19/06
CPC分类号： G06K19/07788 , G06K19/0723 , G06K19/07749 , G06K19/07771 , G06K19/07786 , H01Q1/2225
摘要： The present invention relates to an RFID tag having capacitive load, including: an antenna unit, a capacitive load and an RFID device. The antenna unit includes two metal sheets and a conductive substrate, and the metal sheets are disposed at a corresponding position above the conductive substrate and electrically connected to the conductive substrate. The capacitive load is electrically connected to the metal sheets. The RFID device feeds the antenna unit by electrically connecting to the metal sheets or coupling. This dramatically decreases the operating frequency, so the imaginary part of impedance is higher with the same size of the antenna unit, thereby reducing the size of the RFID tag. As a result, the weight is reduced, the manufacture process is simplified and the subsequent structure can be easily adjusted.

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