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公开(公告)号：US12261357B2
公开(公告)日：2025-03-25
申请号：US18079960
申请日：2022-12-13
Inventor： Soon Young Eom
Abstract: An antenna radome apparatus is provided, the apparatus including: an antenna generating circular polarization; a radome protecting the antenna from an external environment; and a metal mask pattern having a predetermined shape on an inner wall or an outer wall of the radome, wherein the metal mask pattern suppresses a multipath signal flowing into the antenna.
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公开(公告)号：US11715875B2
公开(公告)日：2023-08-01
申请号：US17519807
申请日：2021-11-05
Inventor： Soon Young Eom
Abstract: Disclosed is an individual rotating radiating element which causes an electrical phase change with the mechanical rotary motion of a rotating radiating element and an array antenna using the same. The individual rotating radiating element comprises an auxiliary structure formed of a dielectric, a helix element inserted into a spiral groove on a side surface of the auxiliary structure, a ground plate coupled to a lower surface of the auxiliary structure; a driving unit including an opening in which the ground plate is placed and rotating the auxiliary structure, and a spatial electromagnetic coupling structure having a first feed pin and a second feed pin electromagnetically coupled each other during power feeding is inserted through a lower surface spaced apart from the upper surface with an inner space therebetween.
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公开(公告)号：US10470668B2
公开(公告)日：2019-11-12
申请号：US14592082
申请日：2015-01-08
Inventor： Jung Bin Kim , Soon Young Eom , Joung Myoun Kim , Tae Jin Chung , Jae Ick Choi
Abstract: A contactless cardiopulmonary signal estimation method and apparatus are provided. A cardiopulmonary signal estimation apparatus may estimate a cardiopulmonary signal of a user from a heartbeat signal and a respiratory signal of the user in response to movement of a chest based on a cardiopulmonary exercise of the user.
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