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公开(公告)号：US10439296B2
公开(公告)日：2019-10-08
申请号：US15869873
申请日：2018-01-12
申请人： Hitachi Metals, Ltd.
发明人： Seiji Kado , Tomoyuki Ogawa , Satoshi Yoshihara
IPC分类号： H01Q1/24 , H01Q1/38 , H01Q21/00 , H01Q1/48 , H01Q1/12 , H01Q3/30 , H01P1/18 , H01Q3/32 , H01Q19/10 , H05K3/36
摘要： An antenna device includes a plurality of antenna elements, a metal member integrally including a first wall and a plurality of second walls that are arranged in parallel to each other and perpendicularly extend from one surface of the first wall, and circuit boards that are respectively housed in substrate-housing spaces as gaps between the adjacent second walls and mount feeder circuits for feeding power to the plurality of antenna elements.
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公开(公告)号：US20180212335A1
公开(公告)日：2018-07-26
申请号：US15869873
申请日：2018-01-12
申请人： Hitachi Metals, Ltd.
发明人： Seiji Kado , Tomoyuki Ogawa , Satoshi Yoshihara
CPC分类号： H01Q21/0075 , H01P1/184 , H01Q1/12 , H01Q1/24 , H01Q1/246 , H01Q1/48 , H01Q3/30 , H01Q3/32 , H01Q19/10 , H05K3/368 , H05K2201/10098
摘要： An antenna device includes a plurality of antenna elements, a metal member integrally including a first wall and a plurality of second walls that are arranged in parallel to each other and perpendicularly extend from one surface of the first wall, and circuit boards that are respectively housed in substrate-housing spaces as gaps between the adjacent second walls and mount feeder circuits for feeding power to the plurality of antenna elements.
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公开(公告)号：US10686423B2
公开(公告)日：2020-06-16
申请号：US15562593
申请日：2015-03-30
申请人： HITACHI METALS, LTD.
发明人： Satoshi Yoshihara , Seiji Kado , Nobuaki Kitano
摘要： A phase-shifting circuit 1 includes a signal conductor 2 that transmits signals, and a dielectric body 3 that is disposed to overlap the signal conductor 2, said phase-shifting circuit changing the phase of the signals by changing the area of an overlapping section 5 where the signal conductor 2 and the dielectric body 3 overlap each other. The phase-shifting circuit further includes a transformer unit 7 for matching impedance between the overlapping section 5 and non-overlapping section 6 where the signal conductor 2 and the dielectric body 3 do not overlap each other, said transformer unit being provided at end sections of the dielectric body 3, said end sections being on the input side and output side of the signals. The transformer unit 7 includes a high-impedance section 7a that is provided on the overlapping section 5 side, and a low-impedance section 7b, which is provided on the non-overlapping section 6 side of the high-impedance section 7a, and which has a lower characteristic impedance than the high-impedance section 7a.
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公开(公告)号：US10454164B2
公开(公告)日：2019-10-22
申请号：US15779159
申请日：2015-11-27
申请人： Hitachi Metals, Ltd.
发明人： Satoshi Yoshihara , Tomoyuki Ogawa , Seiji Kado
摘要： An antenna device includes a plurality of antenna element groups including a plurality of antenna elements arranged in a horizontal direction. The plurality of antenna element groups are arranged in multiple stages in a vertical direction. The stage antenna element group includes a first antenna element group in which the antenna element in an even number sequence from the antenna element configuring the antenna element group is arranged at a shifted position to an upper side or a lower side in the vertical direction from the antenna element in an odd number sequence, and a second antenna element group in which the antenna element in the even number sequence from the antenna element configuring the antenna element group is arranged at a shifted position to the other side of the lower side or the upper side in the vertical direction from the antenna element in the odd number sequence.
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