公开(公告)号：US20220344832A1

公开(公告)日：2022-10-27

申请号：US17811919

申请日：2022-07-12

Applicant: AGC Inc.

Inventor： Toshiki SAYAMA ,  Takeshi MOTEGI ,  Akira KUMAGAI ,  Yasuo MORIMOTO ,  Osamu KAGAYA ,  Keisuke ARAI

IPC: H01Q21/06 ,  H01Q19/10 ,  H01Q13/10

Abstract: An antenna device includes a flexible substrate, an antenna element provided on a front surface or a rear surface of the flexible substrate, a feeding line provided on the front surface or the rear surface of the flexible substrate to feed power to the antenna element, a dielectric in a plate shape stacked on a rear side of the flexible substrate, the dielectric having flexibility and being bendable, and a reflector plate provided on a rear side of the dielectric.

公开(公告)号：US20210021051A1

公开(公告)日：2021-01-21

申请号：US17064313

申请日：2020-10-06

Applicant: AGC Inc.

Inventor： Qiang CHEN ,  Osamu KAGAYA ,  Toshiki SAYAMA ,  Takeshi MOTEGI

IPC: H01Q21/06 ,  H01Q21/00 ,  H01P1/20

Abstract: A slot array antenna includes a dielectric layer, a power feeding unit, a first coplanar waveguide formed in a conductor layer provided on one surface of the dielectric layer, and a second coplanar waveguide formed in the conductor layer, wherein each of the first coplanar waveguide and the second coplanar waveguide includes a first end part connected to a point to which the power feeding unit is connected or situated in proximity and at least one second end part connected to at least one slot formed in the conductor layer.

公开(公告)号：US20240222881A1

公开(公告)日：2024-07-04

申请号：US18610575

申请日：2024-03-20

Applicant: AGC Inc.

Inventor： Toshiki SAYAMA ,  Ryota OKUDA ,  Minami HAGIWARA ,  Yusuke SATO ,  Takeshi MOTEGI

IPC: H01Q21/06 ,  H01Q1/12 ,  H01Q5/371 ,  H01Q9/04

CPC classification number: H01Q21/065 ,  H01Q5/371 ,  H01Q9/0407 ,  H01Q9/0421 ,  H01Q1/1271

Abstract: A planar antenna includes a dielectric layer including a first surface and a second surface on a side opposite from the first surface, an antenna conductor provided on the first surface, a ground conductor provided on the first surface or the second surface, or provided on both of the first surface and the second surface, and a transmission line including a signal line that is connected to the antenna conductor or provided in proximity to the antenna conductor, wherein a dielectric portion of the dielectric layer that is in contact with the signal line has a loss tangent of 0.007 or less at 28 GHz.

公开(公告)号：US20230246347A1

公开(公告)日：2023-08-03

申请号：US18193770

申请日：2023-03-31

Applicant: AGC Inc.

Inventor： Kotaro ENOMOTO ,  Takeshi MOTEGI ,  Mitsuru WAKATSUKI

IPC: H01Q21/06 ,  H01Q3/02

CPC classification number: H01Q21/065 ,  H01Q3/02

Abstract: An antenna set includes an antenna unit group for transmitting streams in distributed-MIMO, wherein the antenna unit group includes a plurality of antenna units arranged apart from each other, and wherein the plurality of antenna units is installed at a height between 3 m and 8 m, inclusive, with a non-directional angle of a radiation pattern in a horizontal plane being more than or equal to 180°, and a radiation peak of a main lobe is inclined at a depression angle of greater than 0° and less than or equal to 15°.

公开(公告)号：US20220352620A1

公开(公告)日：2022-11-03

申请号：US17812849

申请日：2022-07-15

Applicant: AGC Inc.

Inventor： Yasuo MORIMOTO ,  Akira KUMAGAI ,  Takeshi MOTEGI ,  Kazuhiko NIWANO ,  Kouichirou TAKAHASHI

IPC: H01Q1/24 ,  H01Q1/42 ,  H01Q1/38

Abstract: An antenna device including a transparent antenna element that can be provided at a position visible from outside of a transparent cover of an electronic apparatus is provided.
An antenna device includes a flexible substrate that is transparent and that is to be provided on an inner surface side opposite to an outer surface of a transparent cover, made of glass or resin, of an electronic apparatus, and an antenna element that is transparent and that is to be provided at a position, of the flexible substrate, that is visible from outside of the transparent cover, the antenna element having a directivity oriented toward an outside of the electronic apparatus.

公开(公告)号：US20220255234A1

公开(公告)日：2022-08-11

申请号：US17730481

申请日：2022-04-27

Applicant: AGC Inc.

Inventor： Akira KUMAGAI ,  Yasuo MORIMOTO ,  Takeshi MOTEGI ,  Keisuke ARAI ,  Osamu KAGAYA

IPC: H01Q13/20 ,  H01Q1/42 ,  H01Q21/00

Abstract: A distributed antenna includes a strip member extending in a strip-like shape including a dielectric body of a plate shape having a first surface that is one surface of the dielectric body and a second surface that is opposite to the first surface; a transmission line provided on the first surface, on the second surface, or between the first surface and the second surface; and a plurality of antenna elements electrically connected to the transmission line and disposed in a distributed manner on the first surface or on the second surface, or electrically connected to the transmission line and disposed in a distributed manner between the first surface and the second surface.

公开(公告)号：US20220102864A1

公开(公告)日：2022-03-31

申请号：US17643232

申请日：2021-12-08

Applicant: AGC Inc.

Inventor： Yasuo MORIMOTO ,  Takeshi MOTEGI ,  Toshiki SAYAMA ,  Motoshi ONO ,  Osamu KAGAYA

IPC: H01Q9/16 ,  H01Q7/00 ,  H05K1/02

Abstract: An antenna includes an antenna conductor to be provided on an exterior side of a chassis and a flexible substrate. The flexible substrate includes a first insulating portion that is a portion of a sheet-shaped dielectric where the sheet-shaped dielectric is folded, a grounding conductor provided between the first insulating portion and the chassis, a second insulating portion that is a portion of the sheet-shaped dielectric where the sheet-shaped dielectric is not folded, and a signal line configured to feed power to the antenna conductor. A thickness of the first insulating portion is greater than a thickness of the second insulating portion.

公开(公告)号：US20220059948A1

公开(公告)日：2022-02-24

申请号：US17519435

申请日：2021-11-04

Applicant: AGC Inc.

Inventor： Toshiki SAYAMA ,  Ryota OKUDA ,  Minami HAGIWARA ,  Yusuke SATO ,  Takeshi MOTEGI

IPC: H01Q21/06 ,  H01Q9/04 ,  H01Q5/371

Abstract: A planar antenna includes a dielectric layer including a first surface and a second surface on a side opposite from the first surface, an antenna conductor provided on the first surface, a ground conductor provided on the first surface or the second surface, or provided on both of the first surface and the second surface, and a transmission line including a signal line that is connected to the antenna conductor or provided in proximity to the antenna conductor, wherein a dielectric portion of the dielectric layer that is in contact with the signal line has a loss tangent of 0.007 or less at 28 GHz.

公开(公告)号：US20210210857A1

公开(公告)日：2021-07-08

申请号：US17206648

申请日：2021-03-19

Applicant: AGC Inc.

Inventor： Toshiki SAYAMA ,  Ryota OKUDA ,  Takeshi MOTEGI ,  Osamu KAGAYA

IPC: H01Q13/10 ,  H01Q21/08 ,  H01Q1/32

Abstract: An antenna system includes a glass plate having a thickness of 1.1 mm or more and a dielectric loss tangent of 0.005 or more at 28 GHz, and an antenna located away from one of surfaces of the glass plate, wherein a ratio of electric power radiated from the antenna to electric power input into the antenna is defined as a radiation efficiency, and when an effective wavelength of an electromagnetic wave at a predetermined frequency is 10 GHz or more is denoted as Ag and the radiation efficiency as η0 [dB] when the glass plate and the antenna are in contact, and is denoted as ηλg/2 [dB] when a distance between the one of the surfaces and the antenna is Λg/2, the glass plate and the antenna are arranged to obtain the radiation efficiency of ηA [dB] that satisfies ηA≥η0+(ηλg/2−η0)×0.1.