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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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