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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
申请人： AGC Inc.
发明人： Ryuta Sonoda , Koji Ikawa , Toshiki Sayama
摘要： 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：US10135114B2
公开(公告)日：2018-11-20
申请号：US15001629
申请日：2016-01-20
申请人： AGC INC.
摘要： A MIMO antenna includes a plurality of antenna elements respectively including a plurality of conductive elements that are connected to different feeding points from each other; and one or more base members each being directly or indirectly provided at an upper edge portion of a windshield of a vehicle, the conductive elements being provided at either of the base members, wherein D/W, where “W” is a width of an open portion of a window frame at which the windshield is provided and “D” is a minimum distance between the conductive elements of the antenna elements in a direction parallel to the direction of “W”, is less than or equal to 0.35.
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公开(公告)号：US10249936B2
公开(公告)日：2019-04-02
申请号：US15468148
申请日：2017-03-24
申请人： AGC Inc.
发明人： Toshiki Sayama , Ryuta Sonoda , Koji Ikawa
摘要： An antenna device includes a ground plane; a first resonator extending in a direction at a distance from the ground plane and connected to a feeding point; and a second resonator arranged at a distance from the first resonator. The ground plane includes an edge portion formed along the second resonator, with a resonance current being formed on the first resonator and the ground plane. The second resonator is configured to function as a radiation conductor by resonance of the first resonator. A tip portion of the first resonator is located near a metallic part. The second resonator has a plurality of electrical lengths of differing resonance frequencies.
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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
申请人： AGC Inc.
发明人： Ryuta Sonoda , Toshiki Sayama , Koji Ikawa
摘要： 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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公开(公告)号：US10651535B2
公开(公告)日：2020-05-12
申请号：US15458629
申请日：2017-03-14
申请人： AGC INC.
发明人： Kazuhiko Niwano , Koji Ikawa
摘要： An antenna device is to be installed in a vehicle. The antenna device includes a first element; a second element; and a feeding part. An angle formed between an electric field plane generated at the first element and the second element and a direction of a long side of the vehicle is within a range of ±45 degrees.
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公开(公告)号：US10312589B2
公开(公告)日：2019-06-04
申请号：US15207849
申请日：2016-07-12
申请人： AGC Inc.
发明人： Toshiki Sayama , Ryuta Sonoda , Koji Ikawa
摘要： 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
申请人： AGC Inc.
发明人： Ryuta Sonoda , Koji Ikawa , Toshiki Sayama
摘要： 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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