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公开(公告)号：USD926736S1
公开(公告)日：2021-08-03
申请号：US29709368
申请日：2019-10-14
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公开(公告)号：US10784589B2
公开(公告)日：2020-09-22
申请号：US15776887
申请日：2016-11-17
申请人： NEC Corporation
发明人： Hiroshi Toyao , Keishi Kosaka
IPC分类号： H01Q5/00 , H01Q21/06 , H01Q1/42 , H01Q13/10 , H01P1/30 , H01Q15/00 , H01Q15/14 , H04B1/38 , H01Q21/24
摘要： A wireless communication device includes: a reflector plate that comprises a reflective surface, the reflective surface reflecting an electromagnetic wave; an array antenna that comprises a plurality of antenna elements, the antenna elements being arranged on the reflective surface; one or more fins that stand on the reflective surface; and a transmission and reception circuit that is connected to the reflector plate, and transmits and receives a wireless signal via the array antenna.
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公开(公告)号：US10476132B2
公开(公告)日：2019-11-12
申请号：US15300467
申请日：2014-11-14
申请人： NEC Corporation
发明人： Keishi Kosaka , Hiroshi Toyao
IPC分类号： H01Q1/24 , H01Q1/36 , H01Q15/14 , H01Q21/00 , H01Q9/06 , H01Q21/06 , H01Q21/24 , H01Q21/28 , H01Q9/26
摘要： A dual-polarized antenna in which two antenna elements are highly integrated and the size of the whole antenna is reduced while suppressing coupling between the two antenna elements without having the two antenna elements overlap each other is provided. An antenna (10) includes a conductive reflector (101) and two antenna elements (102, 103) (antenna elements) that are arranged to be spaced apart from each other. As shown in FIG. 3, in a projected view on the conductive reflector (101), longitudinal directions of the two antenna elements (102, 103) are substantially orthogonal to each other. One of the end parts (110) of the antenna element (103) in the longitudinal direction is positioned at an approximate center (109) (part around the center) of the antenna element (102) in the longitudinal direction.
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公开(公告)号：US09564870B2
公开(公告)日：2017-02-07
申请号：US14412311
申请日：2013-03-28
申请人： NEC CORPORATION
发明人： Yoshiaki Kasahara , Hiroshi Toyao
CPC分类号： H03H7/0161 , H01P1/2005 , H01P1/203 , H01P3/08 , H01Q15/0066 , H01Q15/008 , H03H7/0115 , H05K1/0236 , H05K1/162 , H05K2201/09254 , H05K2201/09263 , H05K2201/09672 , H05K2201/09727 , H05K2201/09781
摘要： A second conductor plane (102) is formed in a layer different from a layer in which a first conductor plane (101) is formed, and faces the first conductor plane (101). A first transmission line (104) is formed in a layer different from the layers in which the first conductor plane (101) and the second conductor plane (102) are formed, and faces the second conductor plane (102), and one end thereof is an open end. A conductor via (106) connects the other end of the first transmission line (104) and the first conductor plane (101). An insular conductor (112) is connected to a portion of the first transmission line (104) other than a portion thereof at which the transmission line (104) is attached to the conductor via (106), is located in a layer different from the layer in which the second conductor plane (102) is located, and faces the second conductor plane (102).
摘要翻译： 第二导体平面（102）形成在与形成第一导体平面（101）的层不同的层中，并且面向第一导体平面（101）。 第一传输线（104）形成在与形成第一导体平面（101）和第二导体平面（102）的层不同的层中，并且面向第二导体平面（102），并且其一端 是一个开放的结局。 导体通孔（106）连接第一传输线（104）的另一端和第一导体平面（101）。 绝缘导体（112）连接到第一传输线（104）的除了传输线（104）附接到导体通孔（106）的部分之外的部分，位于不同于 层，其中第二导体平面（102）所在，并面向第二导体平面（102）。
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公开(公告)号：US09502761B2
公开(公告)日：2016-11-22
申请号：US14088651
申请日：2013-11-25
发明人： Tatsuo Itoh , Yuandan Dong , Hiroshi Toyao
CPC分类号： H01Q1/50 , H01Q1/2266 , H01Q7/00 , H01Q9/0407 , H01Q9/0414 , H01Q9/0421 , H01Q9/0442 , H01Q9/16
摘要： A vertical split ring resonator antenna is disclosed, comprising a substrate having an upper surface and lower surface, an interdigitated capacitor coupled to the upper surface of the substrate and ground coupled to the lower surface. The interdigitated capacitor includes a first planar segment and a second planar segment, each having interdigitated fingers that are separated by a gap disposed between the first planar segment and second planar segment. The interdigitated capacitor is coupled to the substrate to form a vertical split ring resonator.
摘要翻译： 公开了一种垂直开环谐振器天线，其包括具有上表面和下表面的基板，耦合到基板的上表面的交叉电容器并耦合到下表面的接地。 叉指电容器包括第一平面段和第二平面段，每个具有交错指状物，第二平面段由设置在第一平面段和第二平面段之间的间隙分开。 交叉电容器耦合到衬底以形成垂直分裂环谐振器。
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公开(公告)号：US11245195B2
公开(公告)日：2022-02-08
申请号：US16757058
申请日：2017-10-23
申请人： NEC Corporation
发明人： Yoshiaki Kasahara , Eiji Hankui , Hiroshi Toyao , Keishi Kosaka , Mingqi Wu
摘要： The present invention provides a phase control plate including n layers (n≥4) of overlapping admittance sheets (10-1 to 10-6) each of which includes a plurality of plane unit cells, in which an admittance of a first plane unit cell included in an admittance sheet in a layer a (1≤a≤n) and an admittance of a second plane unit cell being included in an admittance sheet in a layer b (1≤b≤n and b≠a) and overlapping the first plane unit cell are different from each other.
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公开(公告)号：US10739437B2
公开(公告)日：2020-08-11
申请号：US15539167
申请日：2016-01-26
申请人： NEC CORPORATION
发明人： Hiroshi Toyao
摘要： Provided is a frequency selective surface including a conductor plane (101), nine loop slots (102) each formed to be surrounded by the conductor plane (101), and a capacitance component (103) disposed to straddle the loop slots (102) in a width direction, both ends of the capacitance component being connected to the conductor plane (101) at a position near the loop slots (102). The conductor plane (101) and the loop slots (102) each formed to be surrounded by the conductor plane (101) constitute a unit cell (110). The unit cells (110) are two-dimensionally periodically arranged. One or more (four in the case of FIG. 1) capacitance components (103) disposed to straddle the loop slots (102) in the width direction are provided for each loop slot (102). Operating frequencies can be easily changed by adjusting only a component connected to the unit cell, or a part of metallic patterns.
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公开(公告)号：US10396460B2
公开(公告)日：2019-08-27
申请号：US15762124
申请日：2016-09-15
申请人： NEC Corporation
发明人： Keishi Kosaka , Hiroshi Toyao
IPC分类号： H01Q5/10 , H01Q19/17 , H01Q13/10 , H01Q15/00 , H01Q19/185 , H01Q21/06 , H01Q21/28 , H01Q5/45 , H01Q5/48 , H01Q15/14 , H01Q9/26 , H01Q21/24
摘要： When a plurality of antenna elements tuned to respective different frequency bands are closely disposed, the performance (the band, the radiating pattern, and so on) of each antenna element may deteriorate. In order to solve the problem, a multiband antenna according to the present invention is provided with: a conductive reflection plate; a frequency selective surface that is disposed so as to at least partially face the conductive reflection plate, that transmits therethrough electromagnetic waves in a first frequency band, that reflects thereon electromagnetic waves in a second frequency band that is a higher frequency band than the first frequency band, and that has a plurality of openings; a plurality of first antenna elements that are disposed in a region sandwiched between the conductive reflection plate and the frequency selective surface and that are tuned to a first frequency included in the first frequency band; and a plurality of second antenna elements that are disposed on a surface opposite the surface of the frequency selective surface facing the first antenna elements, that are fed through feeders passing through the openings, and that are tuned to a second frequency included in the second frequency band.
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公开(公告)号：US10367248B2
公开(公告)日：2019-07-30
申请号：US15129519
申请日：2015-03-17
申请人： NEC Corporation
发明人： Hiroshi Toyao , Keishi Kosaka
摘要： An antenna according to one exemplary aspect of the present invention includes an antenna element and a reflector conductor that is arranged to be spaced apart from the antenna element. The antenna element includes a first split-ring conductor having such a shape that a part of a ring is cut by a split part, a first connection conductor having one end that is electrically connected to the first split-ring conductor and another end that is electrically connected to the reflector conductor, and a feed line conductor having one end that is electrically connected to the first split-ring conductor. The feed line conductor spans an opening that is formed inside the first split-ring conductor and overlaps an area surrounded by an outer edge of the first connection conductor.
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公开(公告)号：US10340609B2
公开(公告)日：2019-07-02
申请号：US15544699
申请日：2016-02-10
申请人： NEC Corporation
发明人： Keishi Kosaka , Hiroshi Toyao
IPC分类号： H01Q21/30 , H01Q13/10 , H01Q21/06 , H01Q21/24 , H01Q15/14 , H01Q21/26 , H01Q25/00 , H01Q5/42 , H01Q13/18 , H01Q5/371
摘要： An object of the present invention is to provide a multiband antenna, an antenna array, and a wireless communications device that can achieve miniaturization while preventing deterioration in radiation efficiency. To this end, an antenna according to the present invention includes: a conductor reflection plate; a first antenna that includes a first antenna element and is provided on the conductor reflection plate; and a second antenna that includes a second antenna element having an electromagnetic resonance frequency that is a frequency different from an electromagnetic resonance frequency of the first antenna element included in the first antenna, and that is provided on the conductor reflection plate, wherein each of the first antenna element and the second antenna element includes: a C-shaped conductor that is a substantially C-shaped conductor having a split section formed in such a way that an annular conductor becomes partially discontinuous; and a conductor feed line that is electrically connected with one part out of both parts of the C-shaped conductor facing each other across the split section, and that constitutes an electric circuit for feeding power to the C-shaped conductor.
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