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公开(公告)号：US20240332811A1
公开(公告)日：2024-10-03
申请号：US18739467
申请日：2024-06-11
Applicant: AGC Inc.
Inventor： Toshiki SAYAMA , Hideaki SHOJI , Yusuke KATO
Abstract: An antenna device with an attachment member includes an antenna including a radiation plate provided with radiation face that radiates vertically polarized waves, a housing portion that houses the antenna, an attachment member that attaches the housing portion to a vehicle, and a metal fixing portion that is formed in an elongated shape to one end of the attachment member, that abuts a back face of the housing portion facing toward an opposite side to the radiation face, and that fixes the housing portion. Viewed from a thickness direction of the radiation plate, the fixing portion is disposed between a first region formed to the back face on one side in the extension direction of a first straight line, and a second region formed to the back face on another side in the extension direction of the first straight line.
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公开(公告)号：US20240166029A1
公开(公告)日：2024-05-23
申请号：US18429411
申请日：2024-01-31
Applicant: AGC Inc.
Inventor： Hideaki SHOJI , Shoichi Takeuchi , Toshiki Sayama , Yusuke Kato , Satoshi Kaneko
CPC classification number: B60J1/20 , H01Q1/3208
Abstract: A window glass apparatus for a vehicle including a first bus bar provided in or on the glass plate and including an upper portion extending in a direction along an upper edge of the glass plate; a second bus bar provided in or on the glass plate and including a lower portion extending in a direction along a lower edge of the glass plate; and an antenna disposed in a space near the upper portion and configured to transmit and receive a radio wave having a certain frequency; wherein the glass plate has a heating area extending between the upper portion and the lower portion, and a non-heating area extending above the upper portion; wherein the heating area is an area where a conductive member is disposed, the conductive member being configured to flow a direct current in an up-down direction.
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公开(公告)号：US20230019268A1
公开(公告)日：2023-01-19
申请号：US17944860
申请日：2022-09-14
Applicant: AGC Inc.
Inventor： Toshiki SAYAMA , Hideaki SHOJI , Yusuke KATO , Shoichi TAKEUCHI
Abstract: An antenna system for vehicles includes a first antenna attached in a vicinity of a windshield of a vehicle; and a second antenna attached in a vicinity of a rear glass of the vehicle, wherein the first antenna and the second antenna are configured to transmit and receive an electromagnetic wave in a predetermined frequency band F, and wherein defining a region A and a region B with respect to a vehicle center axis extending in a traveling direction of the vehicle, so as to bisect a vehicle width of the vehicle from a viewpoint in a direction normal to a horizontal plane, the first antenna is arranged in the region A, and the second antenna is arranged in the region B.
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公开(公告)号：US20240347894A1
公开(公告)日：2024-10-17
申请号：US18754128
申请日：2024-06-25
Applicant: AGC Inc.
Inventor： Yusuke KATO , Shoichi TAKEUCHI , Hideaki SHOJI , Toshiki SAYAMA
CPC classification number: H01Q1/1271 , H01Q1/3233 , H01Q1/325 , H01Q9/0407
Abstract: An EBG structure-attached glass plate includes a vehicle roof glass for attachment to a metal frame of a vehicle body, an EBG structure that is disposed on a first main face of the roof glass, that has a predetermined conductor pattern periodically disposed thereon, and that is formed in a frame shape, and a radio wave transmitting and receiving region surrounded by the EBG structure.
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公开(公告)号：US20210273321A1
公开(公告)日：2021-09-02
申请号：US17322153
申请日：2021-05-17
Applicant: AGC Inc.
Inventor： Shoichi TAKEUCHI , Hideaki SHOJI
Abstract: An antenna system includes a glass plate, a resin layer, and an antenna, wherein a predetermined frequency of 3 GHz or greater is defined as F, a transmission coefficient S21 of the glass plate concerning an incident wave of F is defined as S21G, S21 of a laminate concerning the F is defined as S21GR, a frequency closest to F at which S21 of the glass plate becomes a maximum is defined as FP, S21 of the glass plate concerning an incident wave of FP is defined as S21GP, a frequency closest to F among frequencies of incident waves at which S21 of the glass plate becomes a minimum is defined as FV, and S21 of the glass plate concerning an incident wave of FV is defined as S21GV, and wherein a thickness of the resin layer is configured such that: S21GR−S21G≥(S21GP−S21GV)×0.2.
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Patent Agency Ranking
公开(公告)号：US20240250404A1
公开(公告)日：2024-07-25
申请号：US18627089
申请日：2024-04-04
Applicant: AGC Inc.
Inventor： Hideaki SHOJI , Jun NODA , Tomohiro TAKAHASHI
CPC classification number: H01Q1/1271 , H01Q1/3275 , H01Q21/28
Abstract: To provide a vehicle antenna device which includes multiple antennas, the frequency bands of radio waves to be transmitted and received by the multiple antennas being at least partially different from each other, proximate to each other and which can reduce the degradation of the transmission/reception sensitivity of each of the multiple antennas.
A vehicle antenna device to be mounted on a vehicle, comprising:
a first antenna capable of transmitting and receiving radio waves of a first frequency band; and
a second antenna proximate to the first antenna and capable of transmitting and receiving radio waves of a second frequency band including a frequency band higher than the first frequency band,
wherein at least one of the first antenna and the second antenna is disposed in or on window glass of the vehicle or in the vicinity of the window glass, and
wherein the second antenna includes a power supply unit to which a high-pass filter is connected.-
公开(公告)号：US20240235014A1
公开(公告)日：2024-07-11
申请号：US18616700
申请日：2024-03-26
Applicant: AGC Inc.
Inventor： Hideaki SHOJI , Kiyoshi NOBUOKA , Shoichi TAKEUCHI , Toshiki SAYAMA , Yusuke KATO
CPC classification number: H01Q1/325 , H01Q9/0407
Abstract: A vehicle antenna includes: a vehicle window glass an electronic device provided in a vicinity of a vehicle width direction central portion at or near upper portion of the vehicle window glass; and an antenna attached to the upper portion of the vehicle window glass such that a normal to a radiation surface passes through a principal surface. A vehicle width direction central position of the antenna is separated from a reference position that is a vehicle width direction center of the electronic device.
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公开(公告)号：US20230238681A1
公开(公告)日：2023-07-27
申请号：US18127325
申请日：2023-03-28
Applicant: AGC Inc. , SoftBank Corp.
Inventor： Yusuke KATO , Hideaki SHOJI , Shoichi TAKEUCHI , Toshiki SAYAMA , Ryo YAMAGUCHI , Kazuma TOMIMOTO
CPC classification number: H01Q1/1271 , H01Q1/325 , H01Q25/002
Abstract: A vehicle antenna system having high transmission and reception efficiency is provided. A vehicle antenna system includes an antenna that is attached to a vehicle and is capable of transmitting and receiving radio waves of a predetermined frequency band. The antenna is attached to the vehicle in such a way that an elevation angle of the antenna with respect to a horizontal plane becomes large in a predetermined angle range in accordance with the height of a communication frequency band.
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公开(公告)号：US20240405412A1
公开(公告)日：2024-12-05
申请号：US18799844
申请日：2024-08-09
Applicant: AGC Inc.
Inventor： Hideaki SHOJI , Satoshi KANEKO
Abstract: To provide a vehicle antenna device which can secure desired antenna characteristics of both a satellite antenna and a communication antenna. A vehicle antenna device comprising a dielectric attached to a vehicle, a conductor plate placed adjacent to the dielectric plate, a satellite antenna disposed below the conductor plate, receiving radio waves which arrive from a satellite through the dielectric plate, and a communication antenna disposed below the satellite antenna, transmitting/receiving radio waves to/from outside the vehicle through the dielectric plate in a horizontal direction, wherein the satellite antenna comprises a radiating conductor which does not overlap the conductor plate from a vertical view, and a ground conductor positioned between the radiating conductor and the communication antenna.
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公开(公告)号：US20240347899A1
公开(公告)日：2024-10-17
申请号：US18754136
申请日：2024-06-25
Applicant: AGC Inc.
Inventor： Toshiki SAYAMA , Hideaki SHOJI , Yusuke KATO
CPC classification number: H01Q1/3208 , H01Q1/1271 , H01Q1/48 , H01Q9/0407
Abstract: An antenna device comprises a dielectric substrate, an antenna including a radiation plate and a ground conductor plate, a connector, and cover member. A position of a feeding point on the radiation plate is different to a position of a centroid of the radiation plate in front view of the antenna, and the antenna and the cover member cover a periphery of the connector when the antenna, the connector, and the cover member are viewed along a direction orthogonal to a first straight line connecting the centroid to the feeding point and orthogonal to a thickness direction of the dielectric substrate.
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