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公开(公告)号：US20200185822A1
公开(公告)日：2020-06-11
申请号：US16794702
申请日：2020-02-19
Applicant: DENSO CORPORATION
Inventor： Toshiya SAKAI , Kazumasa SAKURAI , Asahi KONDO
Abstract: An antenna device includes a dielectric substrate having a first surface on which an antenna part is formed and a second surface on which a base plate is formed. The antenna part has one or more antenna patterns configured to act as radiating elements. The antenna patterns resonate in one or more resonance directions to incident waves having an operating frequency of the antenna part, thereby generating emitted waves having polarized waves different from those of transmitted/received waves which are transmitted/received by the antenna part. For each of the resonance directions, the antenna patterns include at least one line pattern having a width which is narrower than the total width of the antenna patterns in a direction perpendicular to the resonance direction.
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公开(公告)号：US20200052396A1
公开(公告)日：2020-02-13
申请号：US16659914
申请日：2019-10-22
Applicant: DENSO CORPORATION , SOKEN, INC.
Inventor： Toshiya SAKAI , Kazumasa SAKURAI , Asahi KONDO
Abstract: An antenna device includes a dielectric substrate, a ground plane, an antenna unit, and an additional functional unit. The dielectric substrate includes a plurality of pattern formation layers. The ground plane is formed on a first pattern formation layer included in the plurality of pattern formation layers, and acts as an antenna grounding surface. The antenna unit is formed on a pattern formation layer that is included in the plurality of pattern formation layers and that is different from the first pattern formation layer. The antenna unit includes one or more antenna patterns configured to act as radiation elements. The additional functional unit includes one or more parasitic patterns provided on a propagation path for a surface propagating over the dielectric substrate, and causes the surface wave to generate a radiation wave with polarization different from polarization of a radio wave transmitted and received by the antenna unit.
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公开(公告)号：US20200185824A1
公开(公告)日：2020-06-11
申请号：US16794695
申请日：2020-02-19
Applicant: DENSO CORPORATION
Inventor： Toshiya SAKAI , Kazumasa SAKURAI , Asahi KONDO
Abstract: A dielectric substrate has a first surface formed with a base plate and a second surface formed with an antenna part. The antenna part has one or more antenna patterns. An additional function part has a plurality of conductor patterns arranged around the antenna part. The plurality of conductor patterns resonate in one or more resonance directions to incident waves having an operating frequency of the antenna part, thereby generating emitted waves having polarized waves different from those of electromagnetic waves transmitted/received by the antenna part. For each of the resonance directions, at least one of the conductor patterns includes at least one line pattern having a width which is narrower than the total width of the conductor patterns in the direction perpendicular to the resonance direction.
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公开(公告)号：US20190051977A1
公开(公告)日：2019-02-14
申请号：US16078590
申请日：2017-02-23
Applicant: DENSO CORPORATION
Inventor： Kazushi KAWAGUCHI , kazumasa SAKURAI , Toshiya SAKAI , Asahi KONDO
Abstract: An antenna device includes a dielectric substrate, a ground plane, an antenna unit, a reflection unit, and an interruption unit. The interruption unit includes a plurality of second conductor patches disposed around the antenna unit, and a plurality of through-holes permitting electrical conduction between each of the second conductor patches and the ground plane, and interrupts a surface current flowing on a surface of the dielectric substrate.
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公开(公告)号：US20180113197A1
公开(公告)日：2018-04-26
申请号：US15529377
申请日：2015-09-28
Applicant: DENSO CORPORATION
Inventor： Kento NAKABAYASHI , Asahi KONDO
IPC: G01S7/40
Abstract: A radar apparatus transmits a radar wave, with a control parameter being set to a desired value, and acquires an initial transmission level from outside the radar apparatus, the initial transmission level being a result of measurement of a transmission level of the radar wave. At the same time, the radar apparatus receives a delayed wave of the radar wave from outside the radar apparatus, and acquires an initial reception level which is a result of measurement of a reception level of the delayed wave. The radar apparatus then sets a target reception level according to a preset target transmission level, and the initial transmission level and the initial reception level acquired. The radar apparatus then repeats update of the control parameter and measurement of the reception level until the reception level coincides with the target reception level.
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Patent Agency Ranking
公开(公告)号：US20200348392A1
公开(公告)日：2020-11-05
申请号：US16931337
申请日：2020-07-16
Applicant: DENSO CORPORATION
Inventor： Kazushi KAWAGUCHI , Kazumasa SAKURAI , Toshiya SAKAI , Asahi KONDO
IPC: G01S7/03 , G01S13/931 , H01Q9/04 , H01Q15/14 , H01Q21/06
Abstract: An antenna apparatus includes a dielectric substrate, a base plate, an antenna unit, and a reflecting unit. A plurality of conductor patches are structured to resonate, at an operating frequency of the antenna unit, in a resonating direction which is different from a polarization direction Dan of a radio wave transmitted and received by the antenna unit.
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公开(公告)号：US20200049794A1
公开(公告)日：2020-02-13
申请号：US16654395
申请日：2019-10-16
Applicant: DENSO CORPORATION , SOKEN, INC.
Inventor： Toshiya SAKAI , Kazumasa SAKURAI , Asahi KONDO
Abstract: A radar system detects an object using radar waves and includes an antenna surface and a cover part. The antenna surface is provided with at least one array antenna arranged on a collinear arrangement straight line. The cover part covers the front of an antenna of the array antenna, where the front of the antenna is the side away from which radar waves are radiated with respect to the antenna surface as a boundary. The at least one array antenna is provided with at least one unit antenna where a plurality of antenna elements that radiate radar waves of the same phase are arranged in the same direction as the arrangement straight line. The unit antenna is arranged in a direction perpendicular to the arrangement straight line along the antenna surface. The cover part is configured such that the incidence angle of the radar waves is equal to or less than a Brewster angle.
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8.发明申请公开(公告)号：US20180013196A1
公开(公告)日：2018-01-11
申请号：US15539611
申请日：2015-12-24
Applicant: DENSO CORPORATION
Inventor： Kazumasa SAKURAI , Yuji SUGIMOTO , Kazushi KAWAGUCHI , Asahi KONDO
CPC classification number: H01Q1/42 , G01S7/02 , G01S7/03 , G01S13/931 , G01S2007/027 , H01Q1/3233 , H01Q1/3283
Abstract: A radar apparatus includes transmitting means, receiving means, target detection means, and a cover member. The cover member is positioned opposite at least one of the transmitting means and the receiving means, such as to cover at least one of the transmitting means and the receiving means. The cover member is provided with a first face which is positioned opposite at least one of the transmitting means and the receiving means, and a second face which is on an opposite side from the first face and is not parallel to the first face.
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9.发明申请公开(公告)号：US20200295451A1
公开(公告)日：2020-09-17
申请号：US16888275
申请日：2020-05-29
Applicant: DENSO CORPORATION
Inventor： Kazumasa SAKURAI , Yuji SUGIMOTO , Kazushi KAWAGUCHI , Asahi KONDO
IPC: H01Q1/42 , G01S7/02 , G01S7/03 , H01Q1/32 , G01S13/931
Abstract: A radar apparatus includes transmitting means, receiving means, target detection means, and a cover member. The cover member is positioned opposite at least one of the transmitting means and the receiving means, such as to cover at least one of the transmitting means and the receiving means. The cover member is provided with a first face which is positioned opposite at least one of the transmitting means and the receiving means, and a second face which is on an opposite side from the first face and is not parallel to the first face.
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公开(公告)号：US20190067827A1
公开(公告)日：2019-02-28
申请号：US16078890
申请日：2017-02-23
Applicant: DENSO CORPORATION
Inventor： Toshiya SAKAI , Kazumasa SAKURAI , Kazushi KAWAGUCHI , Yuji SUGIMOTO , Asahi KONDO
Abstract: An element section includes at least one antenna element transmitting/receiving radio waves. Refracting sections refract unnecessary waves, which are radio waves emitted from the element section and traveling away from a detection area, in a rearward direction in which the unnecessary waves travel further than an antenna-formed surface having the at least one antenna element of the element section.
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