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Patent Agency Ranking
公开(公告)号：US10886620B2
公开(公告)日：2021-01-05
申请号：US16504512
申请日：2019-07-08
Inventor： Masayuki Obata , Yu Ono , Hironori Kikuchi , Shingo Sumi , Hiroaki Ohmori , Akira Kanazawa , Katsuhiko Morioka
Abstract: An antenna includes a dielectric substrate, a ground element, a feed element, a microstrip line, and a feed point. The ground element is disposed on a first surface of the dielectric substrate. The ground element includes a slit. The feed element is disposed on a second surface of the dielectric substrate. The microstrip line extends from the feed element toward the slit. The feed point is disposed on the second surface of the dielectric substrate, and connected to the feed element via the microstrip line. The feed point is positioned between the feed element and the slit, and disposed at an end of the microstrip line.
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公开(公告)号：US10651540B2
公开(公告)日：2020-05-12
申请号：US15818933
申请日：2017-11-21
Inventor： Kenji Nishikawa , Yu Ono , Shingo Sumi , Yasunori Komukai , Yukinari Takahashi , Toshiharu Ishimura
IPC: H01Q1/22 , H01Q1/48 , H01Q1/44 , H01Q1/24 , H01Q9/30 , H01Q5/385 , H01Q9/42 , H01Q1/38 , H01Q7/00 , H01Q9/04
Abstract: An antenna unit includes a plate-shaped dielectric substrate, as well as an antenna element and a stub element. The dielectric substrate has a first edge extending along a longitudinal direction of the dielectric substrate and a second edge extending along the longitudinal direction of the dielectric substrate, and the second edge is opposite to the first edge. The antenna element is disposed along the longitudinal direction of the dielectric substrate. The Antenna element has a first end containing a feedpoint and a second end containing an open end. The stub element is disposed between a section of the antenna element having a predetermined length containing the first end of the antenna element and the first edge of the dielectric substrate along the longitudinal direction of the dielectric substrate. The stub element has a first end connected to a reference potential and a second end containing an open end.
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公开(公告)号：US11527811B2
公开(公告)日：2022-12-13
申请号：US17233495
申请日：2021-04-18
Inventor： Kenji Nishikawa , Yu Ono , Shingo Sumi , Yasunori Komukai , Yukinari Takahashi , Toshiharu Ishimura
IPC: H01Q1/24 , H01Q1/22 , H01Q1/48 , H01Q1/44 , H01Q9/30 , H01Q5/385 , H01Q9/42 , H01Q1/38 , H01Q7/00 , H01Q9/04
Abstract: An antenna unit includes a plate-shaped dielectric substrate, as well as an antenna element and a stub element. The dielectric substrate has a first edge extending along a longitudinal direction of the dielectric substrate and a second edge extending along the longitudinal direction of the dielectric substrate, and the second edge is opposite to the first edge. The antenna element is disposed along the longitudinal direction of the dielectric substrate. The Antenna element has a first end containing a feedpoint and a second end containing an open end. The stub element is disposed between a section of the antenna element having a predetermined length containing the first end of the antenna element and the first edge of the dielectric substrate along the longitudinal direction of the dielectric substrate. The stub element has a first end connected to a reference potential and a second end containing an open end.
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公开(公告)号：US11011824B2
公开(公告)日：2021-05-18
申请号：US16840703
申请日：2020-04-06
Inventor： Kenji Nishikawa , Yu Ono , Shingo Sumi , Yasunori Komukai , Yukinari Takahashi , Toshiharu Ishimura
IPC: H01Q1/24 , H01Q1/22 , H01Q1/48 , H01Q1/44 , H01Q9/30 , H01Q5/385 , H01Q9/42 , H01Q1/38 , H01Q7/00 , H01Q9/04
Abstract: An antenna unit includes a plate-shaped dielectric substrate, as well as an antenna element and a stub element. The dielectric substrate has a first edge extending along a longitudinal direction of the dielectric substrate and a second edge extending along the longitudinal direction of the dielectric substrate, and the second edge is opposite to the first edge. The antenna element is disposed along the longitudinal direction of the dielectric substrate. The Antenna element has a first end containing a feedpoint and a second end containing an open end. The stub element is disposed between a section of the antenna element having a predetermined length containing the first end of the antenna element and the first edge of the dielectric substrate along the longitudinal direction of the dielectric substrate. The stub element has a first end connected to a reference potential and a second end containing an open end.
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公开(公告)号：US10651556B2
公开(公告)日：2020-05-12
申请号：US15990006
申请日：2018-05-25
Inventor： Kenji Nishikawa , Shingo Sumi , Yasunori Komukai , Yukinari Takahashi , Yu Ono
IPC: H01Q5/307 , H01Q1/48 , H01Q5/385 , H01Q5/371 , H01Q1/24 , H01Q5/378 , H01Q9/42 , H01Q5/328 , H04B1/3827 , H01Q9/30
Abstract: An antenna unit includes a conductive ground plate, a first antenna element, and a second antenna element. The first antenna element includes a first end connected to a feedpoint and a second end containing an open end. A part of the first antenna element is disposed along the conductive ground plate. The second antenna element branches off the first antenna element at a branch point on the first antenna element. The second antenna element is disposed between the part of the first antenna element disposed along the conductive ground plate and the conductive ground plate. The first antenna element resonates at a first frequency. The second antenna element and a segment between the first end and the branch point of the first antenna element resonate at a second frequency that is higher than the first frequency.
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