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公开(公告)号：US10236264B2
公开(公告)日：2019-03-19
申请号：US15234227
申请日：2016-08-11
发明人： Naoto Ikeda , Shunji Mandai , Yoichi Saito
IPC分类号： G06K19/00 , H01L23/66 , G06K19/077 , H01L21/48 , H01L23/498 , H01L23/00 , H01L23/31 , H01Q1/22 , H01Q7/00
摘要： A wireless IC device includes an element body including first and second principal surfaces, an RFIC element buried in the element body, and an antenna coil disposed in the element body. The antenna coil includes a first wiring pattern provided on the second principal surface, a first metal pin reaching the first principal surface and the second principal surface, a second metal pin reaching the first principal surface and the second principal surface, and a second wiring pattern provided on the first principal surface. Terminal surfaces of the first input/output terminal and the second input/output terminal of the RFIC element face the second principal surface of the element body and are spaced away from the antenna coil while being connected to the first wiring pattern through first and second conductors extending from the second principal surface of the element body in a direction of the first primary surface.
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公开(公告)号：US20170344872A1
公开(公告)日：2017-11-30
申请号：US15676140
申请日：2017-08-14
发明人： Kunihiro Komaki , Shunji Mandai , Kengo Matsumoto
IPC分类号： G06K19/077 , H01L23/29 , H01L21/56 , H01Q7/00 , H01Q1/38
CPC分类号： G06K19/07779 , G06K19/077 , G06K19/0775 , G06K19/07754 , G06K19/07788 , H01L21/56 , H01L23/29 , H01L23/3121 , H01L23/315 , H01L2224/16225 , H01L2924/181 , H01Q1/2225 , H01Q1/38 , H01Q7/005 , H01L2924/00012
摘要： An RFIC device including a resin block having a first surface, a second surface that faces the first surface, and a through-hole that extends through the first surface and the second surface. Moreover, the RFIC device includes an RFIC element that is embedded in the resin block and a coil antenna disposed in the resin block that is connected with the RFIC element and that has a central axis that extends from the first surface to the second surface. In addition, the through-hole extends inside the coil antenna.
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公开(公告)号：US20170373389A1
公开(公告)日：2017-12-28
申请号：US15681669
申请日：2017-08-21
发明人： Shunji Mandai , Yoichi Saito
CPC分类号： H01Q1/52 , G06K7/10356 , H01Q1/2216 , H01Q1/2225 , H01Q7/00
摘要： An antenna apparatus having a substrate, an antenna on the substrate, and a power supply circuit element on the substrate and connected to the antenna. The antenna includes coil-shaped first and second coil antenna units respectively having coil axes that intersect with the substrate. The first coil antenna unit and the second coil antenna unit are arranged on the substrate such that a direction in which a current flows through one of the coil antenna units is clockwise and a direction in which the current flows through the other of the coil antenna units is counterclockwise. The power supply circuit element is positioned between the first coil antenna unit and the second coil antenna unit.
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公开(公告)号：US10366321B2
公开(公告)日：2019-07-30
申请号：US15676140
申请日：2017-08-14
发明人： Kunihiro Komaki , Shunji Mandai , Kengo Matsumoto
摘要： An RFIC device including a resin block having a first surface, a second surface that faces the first surface, and a through-hole that extends through the first surface and the second surface. Moreover, the RFIC device includes an RFIC element that is embedded in the resin block and a coil antenna disposed in the resin block that is connected with the RFIC element and that has a central axis that extends from the first surface to the second surface. In addition, the through-hole extends inside the coil antenna.
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公开(公告)号：US10885287B2
公开(公告)日：2021-01-05
申请号：US16210291
申请日：2018-12-05
发明人： Tatsuya Ito , Naoto Ikeda , Shunji Mandai
摘要： An article management system includes multiple reader devices that read the RFID tags attached to the articles. Moreover, a central terminal partitions an article management area into multiple middle areas that are in turn partitioned into small areas, and then causes reader devices arranged in two or more small areas to work in a predetermined order for each small area, to read information of the RFID tags. The range of radio wave interference distance assumed for a reader device in a first middle area partially overlaps with a second middle area. Thus, when causing the reader devices arranged in the first middle area to work in order, the central terminal controls a reader device in the second middle area that lies outside the range of radio wave interference distance from a reader device working in the first middle area.
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公开(公告)号：US10796113B2
公开(公告)日：2020-10-06
申请号：US16394422
申请日：2019-04-25
发明人： Kunihiro Komaki , Noboru Kato , Tatsuya Ito , Shunji Mandai , Naoto Ikeda
摘要： A reader device is provided having a wider readable area and a table with the reader device. The reader device includes an antenna element communicating with an RFID tag attached to an article, a reader module electrically connected to the antenna element and reading information of the RFID tag through the antenna element, and a case housing the antenna element and the reader module. Moreover, the antenna element includes a first dipole antenna having a first element axis extending in a first direction, and a second dipole antenna having a second element axis extending in a second direction crossing the first direction.
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公开(公告)号：US20190251306A1
公开(公告)日：2019-08-15
申请号：US16394422
申请日：2019-04-25
发明人： Kunihiro Komaki , Noboru Kato , Tatsuya Ito , Shunji Mandai , Naoto Ikeda
摘要： A reader device is provided having a wider readable area and a table with the reader device. The reader device includes an antenna element communicating with an RFID tag attached to an article, a reader module electrically connected to the antenna element and reading information of the RFID tag through the antenna element, and a case housing the antenna element and the reader module. Moreover, the antenna element includes a first dipole antenna having a first element axis extending in a first direction, and a second dipole antenna having a second element axis extending in a second direction crossing the first direction.
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