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公开(公告)号：US20240275020A1
公开(公告)日：2024-08-15
申请号：US18635194
申请日：2024-04-15
Applicant: AGC Inc.
Inventor： Shoichi TAKEUCHI , Yusuke Kato , Toshiki Sayama , Hideaki Shoji
CPC classification number: H01Q1/1271 , H01Q13/106
Abstract: A planar antenna comprising a slot formed in a flat conductor, wherein the slot includes a first slot extending in a first direction between a first feeding point and a second feeding point, a second slot extending in a second direction different from the first direction from an end portion of the first slot, a third slot extending in a fourth direction opposite to the second direction from an end portion of the first slot in a third direction opposite to the first direction, reaching an open end in the fourth direction, and a J-shaped slot extending from an end portion of the second slot in the second direction to an open end open in the first direction, and wherein a slot width at an open end of the J-shaped slot is wider than a slot width at the end portion of the second slot in the second direction.
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公开(公告)号：US12294137B2
公开(公告)日：2025-05-06
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：US10270161B2
公开(公告)日：2019-04-23
申请号：US14600163
申请日：2015-01-20
Applicant: AGC Inc.
Inventor： Ryuta Sonoda , Koji Ikawa , Toshiki Sayama
Abstract: An antenna device includes a feeding element connected to a feed point, and a radiating element disposed at a distance from the feeding element. The feeding element is coupled with the radiating element by electromagnetic field coupling to feed the radiating element so that the radiating element functions as a radiating conductor.
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公开(公告)号：US11894625B2
公开(公告)日：2024-02-06
申请号：US17643232
申请日：2021-12-08
Applicant: AGC Inc.
Inventor： Yasuo Morimoto , Takeshi Motegi , Toshiki Sayama , Motoshi Ono , Osamu Kagaya
CPC classification number: H01Q9/16 , H01Q7/00 , H05K1/0277 , H05K2201/10098
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.
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公开(公告)号：US10931017B2
公开(公告)日：2021-02-23
申请号：US16157539
申请日：2018-10-11
Applicant: AGC Inc.
Inventor： Ryuta Sonoda , Toshiki Sayama , Koji Ikawa
Abstract: An antenna includes a ground plane; a first resonator connected to a feeding point with reference to the ground plane; and a second resonator that is fed power by the first resonator according to an electromagnetic field coupling with no contact. The second resonator includes a first conductor part, and a second conductor part capacitively-coupled to the first conductor part through a gap. A dielectric loss tangent of a substrate part, on which the second resonator is formed, is greater than zero and less than or equal to 0.01.
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Patent Agency Ranking
公开(公告)号：US10312589B2
公开(公告)日：2019-06-04
申请号：US15207849
申请日：2016-07-12
Applicant: AGC Inc.
Inventor： Toshiki Sayama , Ryuta Sonoda , Koji Ikawa
Abstract: An antenna directivity control system includes an antenna including a plurality of antenna elements, feeding points for the plurality of antenna elements being mutually different; and a controller for controlling weight for each of the plurality of antenna elements, wherein each of the plurality of antenna elements includes a feed element connected to the feed point, and a radiating element that functions, upon power being fed by establishing electromagnetic field coupling with the feed element, as a radiating conductor, and wherein the controller controls a directivity of the antenna by adjusting an amplitude of a signal at each of the feeding points.
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公开(公告)号：US10283869B2
公开(公告)日：2019-05-07
申请号：US14790472
申请日：2015-07-02
Applicant: AGC Inc.
Inventor： Ryuta Sonoda , Koji Ikawa , Toshiki Sayama
Abstract: A MIMO antenna is provided that includes a ground plane, and a plurality of dipole antenna elements that are arranged in the vicinity of the ground plane. Each of the plurality of dipole antenna elements includes a radiating element including a conductor portion extending along an outer edge portion of the ground plane, and a feeding portion that feeds the radiating element.
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公开(公告)号：US20250015476A1
公开(公告)日：2025-01-09
申请号：US18883653
申请日：2024-09-12
Applicant: AGC Inc.
Inventor： Shoichi Takeuchi , Hideaki Shoji , Toshiki Sayama , Yusuke Kato
Abstract: A vehicle-type-antenna-device includes: a dielectric plate for a vehicle; and an antenna attached to the dielectric-plate; wherein the antenna includes: a dielectric-layer disposed along a curved-surface of the dielectric-plate, a conductive-layer laminated on the dielectric-layer and having a planar-pattern formed thereon, a feeding portion electrically connected to the planar-pattern, and an electronic-component electrically connected to the conductive-layer and having a higher rigidity than a combined rigidity of the dielectric-layer and the conductive-layer, wherein a curved-region of the dielectric-plate is defined as an extent to which the dielectric-layer-is attached to the curved-surface includes a first-curved line having a smallest radius-of-curvature in the curved-region and a second-curved line intersecting the first-curved line and having a radius-of-curvature larger than that of the first-curved line, and a longitudinal direction of an extent of the dielectric-plate to which the electronic-component is disposed is a direction along the second-curved line, the extent being a range.
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公开(公告)号：US20240145924A1
公开(公告)日：2024-05-02
申请号：US18409594
申请日：2024-01-10
Applicant: AGC Inc.
Inventor： Yusuke Kato , Shoichi Takeuchi , Hideaki Shoji , Toshiki Sayama
CPC classification number: H01Q9/0428 , H01Q1/325
Abstract: An antenna and an antenna apparatus for vehicle that can achieve reduction in size are provided. The antenna includes a dielectric body, a radiation conductor disposed on a first principal surface side of the dielectric body, and a ground conductor disposed on a second principal surface side of the dielectric body. The ground conductor is a planar conductor disposed within a rectangular region having a length LG1 in a first direction and a length LG2 in a second direction. When the ground conductor is divided into a first region and a second region, the ground conductor includes a slit that starts extending toward the inside of the ground conductor starting from an outer edge of the ground conductor in the first region.
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公开(公告)号：US11967768B2
公开(公告)日：2024-04-23
申请号：US17064313
申请日：2020-10-06
Applicant: AGC Inc.
Inventor： Qiang Chen , Osamu Kagaya , Toshiki Sayama , Takeshi Motegi
CPC classification number: H01Q21/064 , H01P1/20 , H01Q21/0075
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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