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公开(公告)号：US20180138571A1
公开(公告)日：2018-05-17
申请号：US15442028
申请日：2017-02-24
Inventor： Changsoo KWAK
IPC: H01P1/207
CPC classification number: H01P1/207 , H01P1/208 , H01P1/2082 , H01P7/06
Abstract: Disclosed is a tunable low-pass filter using a dual mode including a cylindrical cavity configured to trigger a resonant mode, a plurality of irises formed on a lateral face of the cylindrical cavity, and a dummy iris formed on the lateral face of the cylindrical cavity, wherein the resonant mode includes a plurality of modes having a plurality of resonant frequencies, and differences in resonance frequency between the plurality of modes are determined based on angles between the plurality of irises based on an axis of the cylindrical cavity.
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Patent Agency Ranking
公开(公告)号：US20160294030A1
公开(公告)日：2016-10-06
申请号：US14990287
申请日：2016-01-07
Inventor： Changsoo KWAK , Man Seok UHM
IPC: H01P1/20
CPC classification number: H01P7/10 , H01P1/2084 , H01P7/04
Abstract: A resonator filter according to a first exemplary embodiment of the present invention includes: a cover formed with a first coupling hole; a housing connected to the cover to form an inner space and having a second coupling hole formed at a bottom of the inner space; a dielectric material mounted around the second coupling hole in the bottom of the inner space of the housing; a first rod inserted to the first coupling hole to be connected to the cover and pressing the dielectric material; and a second rod inserted to the second coupling hole to be connected to the housing to be close to the dielectric material and tuning a resonance frequency by controlling a separation distance from the first rod.
Abstract translation: 根据本发明的第一示例性实施例的谐振器滤波器包括：形成有第一耦合孔的盖; 连接到所述盖以形成内部空间并且具有形成在所述内部空间的底部的第二联接孔的壳体; 安装在所述壳体的内部空间的底部中的所述第二联接孔周围的电介质材料; 插入到所述第一联接孔中以连接到所述盖并按压所述电介质材料的第一杆; 以及第二杆，其插入到所述第二联接孔中以连接到所述壳体以靠近所述电介质材料，并且通过控制与所述第一杆的间隔距离来调谐谐振频率。
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公开(公告)号：US20200153106A1
公开(公告)日：2020-05-14
申请号：US16542422
申请日：2019-08-16
Inventor： So-hyeun YUN , Changsoo KWAK , Man Seok UHM , Hongyeol LEE , Dong Pil CHANG
Abstract: An integrated horn antenna with an integral polarization converter, and a method of manufacturing the integrated horn antenna are disclosed. The integrated horn antenna includes a horn, and a polarizer of which at least a portion is disposed in an internal space defined by an inner wall of the horn.
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公开(公告)号：US20190252748A1
公开(公告)日：2019-08-15
申请号：US16165433
申请日：2018-10-19
Inventor： Changsoo KWAK , IN BOK YOM , So-hyeun YUN , Hongyeol LEE
Abstract: Disclosed is a multimode microwave filter including a resonator in which a cavity is formed to generate a resonant mode and a plurality of irises formed on a side surface of the resonator, in which the cavity of the resonator has a rhombus-shaped cross section.
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公开(公告)号：US20210194107A1
公开(公告)日：2021-06-24
申请号：US17126371
申请日：2020-12-18
Inventor： Changsoo KWAK
IPC: H01P5/19
Abstract: A T-junction with high isolation and a method for fabricating the same are provided. The T-junction includes a power divider/combiner configured to divide or combine power, a dielectric substrate disposed perpendicular to a lower plane of the power divider/combiner, and a dielectric holder configured to dispose the dielectric substrate.
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6.发明申请公开(公告)号：US20180123211A1
公开(公告)日：2018-05-03
申请号：US15584662
申请日：2017-05-02
Inventor： Dong Pil CHANG , Hongyeol LEE , Changsoo KWAK , Dong Hwan SHIN , In Bok YOM , Jin Cheol JEONG
Abstract: Disclosed is a radio frequency low-loss power divider/combiner and power amplifier including the same, the power divider/combiner including a waveguide and a converter configured to convert an input signal received from an input signal terminal into a plurality of output signals and output the plurality of output signals to a plurality of output signal terminals corresponding to the plurality of output signals through the waveguide, wherein the waveguide includes the converter.
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