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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
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.
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公开(公告)号：US20210376462A1
公开(公告)日：2021-12-02
申请号：US17399532
申请日：2021-08-11
Applicant: AGC Inc.
Inventor： Qiang CHEN , Hiroyasu SATO , Osamu KAGAYA , Toshiki SAYAMA
Abstract: A wireless communication device includes a base material; a directivity control array and a wiring disposed on the base material, the directivity control array having a plurality of unit elements disposed in a certain two-dimensional pattern, and the wiring connected to a DC power supply to apply a DC voltage to desired unit elements; the wireless communication device further comprising a controller to control the DC voltage to be applied to the desired unit elements.
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公开(公告)号：US20240063536A1
公开(公告)日：2024-02-22
申请号：US18501381
申请日：2023-11-03
Applicant: AGC Inc.
Inventor： Kouichirou TAKAHASHI , Osamu KAGAYA , Akira KUMAGAI , Shimpei NAGAE
IPC: H01Q3/20
CPC classification number: H01Q3/20
Abstract: A reflector system, an active reflector, and a method of positioning an active reflector are provided, whereby dead zones can be cancelled efficiently. The reflector system includes: a first active reflector having a first reflecting surface configured to reflect, at a variable reflecting angle, radio waves transmitted from a transmitter, at least a part of the first reflecting surface being in a boundary area located at a boundary between a line-of-sight area and a non-line-of-sight area formed by one or more obstacles that block the radio waves from the transmitter; and a second active reflector having a second reflecting surface configured to reflect, at a variable reflecting angle, the radio waves from the transmitter or the radio waves reflected by the first active reflector, the second reflecting surface being provided in the non-line-of-sight area, or at least a part of the second reflecting surface being provided in the boundary area.
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公开(公告)号：US20230411863A1
公开(公告)日：2023-12-21
申请号：US18240110
申请日：2023-08-30
Applicant: AGC Inc.
Inventor： Kouichirou TAKAHASHI , Osamu KAGAYA , Akira KUMAGAI , Shimpei NAGAE
IPC: H01Q15/14
CPC classification number: H01Q15/14
Abstract: A protective plate-equipped reflective member includes a reflective member that reflects or re-radiates a radio wave incident thereon; and a protective plate that is installed on a radio wave-incident side of the reflective member, wherein d=α×λ0/(1.75×εr0.555) and α is greater than or equal to 1 and less than or equal to 1.25, where a wavelength specified with respect to an operating center frequency f0 [Hz] is denoted by λ0 [mm], a plate thickness of the protective plate is denoted by d [mm], a relative permittivity of the protective plate at the operating center frequency f0 [Hz] is denoted by εr, and a constant is denoted by α.
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公开(公告)号：US20190061481A1
公开(公告)日：2019-02-28
申请号：US16172770
申请日：2018-10-27
Applicant: AGC INC.
Inventor： Osamu KAGAYA , Masaru SHIINA , Kotaro ENOMOTO , Kazuhiro NAKANO
Abstract: A window member includes a transparent substrate, wherein in plan view of the window member, the transparent substrate itself includes a first region, and a second region having higher radio-wave transmissivity than the first region. The transparent substrate may include a first glass sheet, and a second glass sheet which is laminated to the first glass sheet via an intermediate film.
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Patent Agency Ranking
公开(公告)号：US20210191011A1
公开(公告)日：2021-06-24
申请号：US17191915
申请日：2021-03-04
Applicant: AGC Inc.
Inventor： Shimpei MORITA , Kouichirou TAKAHASHI , Osamu KAGAYA , Takato KAJIHARA , Akiyo NOGAMI
IPC: G02B5/20
Abstract: A radio-wave transmitting substrate includes a dielectric substrate, and, on at least one main surface of the dielectric substrate, a heat-ray reflection film including an electroconductive film, and an opening where the electroconductive film is absent in a plan view. At least a part of the at least one main surface in a plan view is a radio-wave transmitting region. The radio-wave transmitting region is a region where every 1-cm square unit region in the region satisfies the following expression (a): L>802.6×S−503.7. L is an overall length (unit: mm/cm2) of a boundary between the heat-ray reflection film and the opening in the unit region, and S is a proportion of an area occupied by the heat-ray reflection film in the unit region.
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公开(公告)号：US20240137075A1
公开(公告)日：2024-04-25
申请号：US18401820
申请日：2024-01-02
Applicant: AGC Inc.
Inventor： Akira KUMAGAI , Kotaro ENOMOTO , Osamu KAGAYA , Yutaka UI
CPC classification number: H04B7/04013 , H01Q5/378
Abstract: A reflect array that sets a reflection angle of a radio wave to an angle that is different from an angle of specular reflection. The reflect array includes a plurality of cells arranged in an array. Each of the plurality of cells includes at least two main resonant elements and a parasitic resonant element coupled to the at least two main resonant elements. The parasitic resonant element is configured to adjust a resonant frequency of the parasitic resonant element and adjust a reflection phase of a surface of the reflect array by adjusting a resonant frequency of the at least two main resonant elements each adjacent to the parasitic resonant element, to which the parasitic resonant element is coupled.
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8.发明申请公开(公告)号：US20220021100A1
公开(公告)日：2022-01-20
申请号：US17491704
申请日：2021-10-01
Applicant: AGC Inc. , NTT DOCOMO, INC.
Inventor： Tetsuya HIRAMATSU , Ryuta SONODA , Osamu KAGAYA , Kentaro OKA , Akira SAITO , Kensuke MIYACHI , Akinobu UEDA , Yoshiyuki KAWANO , Jun ANDOU , Taku YAMAZAKI
Abstract: An antenna unit for glass according to the present invention is installed on the indoor side of a glass sheet, and transmits and receives electromagnetic waves at the indoor side through the glass sheet.
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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
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.
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公开(公告)号：US20200031708A1
公开(公告)日：2020-01-30
申请号：US16590573
申请日：2019-10-02
Applicant: AGC Inc.
Inventor： Eriko MAEDA , Takato KAJIHARA , Kensuke NAGAI , Yutaka KUROIWA , Osamu KAGAYA , Ryuta SONODA , Hiroyuki HIJIYA
Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate.A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.
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