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21. 发明申请

US20170207836A1 BASE STATION DEVICE IN MOBILE COMMUNICATION SYSTEM 有权
公开(公告)号：US20170207836A1
公开(公告)日：2017-07-20
申请号：US15477716
申请日：2017-04-03
申请人： KMW INC.
发明人： Young-Chan Moon , Nam-Shin Park , Chang-Seob Choi , In-Ho Na
IPC分类号： H04B7/06 , H04L27/233 , H04B1/00 , H04B7/024 , H04B7/0413 , H04B7/155 , H04B7/026
CPC分类号： H04B7/06 , H04B1/0035 , H04B7/024 , H04B7/026 , H04B7/0413 , H04B7/155 , H04L27/2334
摘要： A base station apparatus of mobile communication system is provided, including an antenna system including first antenna for transceiving signals for a first path among MIMO paths, and a second antenna for transceiving signals for a second path among the MIMO paths, a first duplexer including transmission filter for processing the transmitted signal of first path and reception filter for processing the received signal of second path, a second duplexer including reception filter for processing the received signal of first path and transmission filter for processing the transmitted signal of second path, and a path change unit for providing the transmitted signal provided from the first duplexer to the first antenna and the received signal provided from the first antenna to the second duplexer and to provide the transmitted signal from the second duplexer to the second antenna and the received signal from the second antenna to the first duplexer.

22. 发明申请

US20170098878A1 RF FILTER TUNING SYSTEM AND METHOD FOR MANUFACTURING FILTER USING THE SAME 审中-公开
公开(公告)号：US20170098878A1
公开(公告)日：2017-04-06
申请号：US15175912
申请日：2016-06-07
申请人： KMW INC.
发明人： Nam-Shin Park , Joung-Hoe Kim , Don-Yong Lee , Kang-Hui Suh , Jong-Youn Jung , Sang-Hwan Cho , Dong-Cheon Kim , Sang-Yoong Kim , Yong-Jin Park , Oh-Kwon Kim
IPC分类号： H01P1/208
CPC分类号： H01P1/208 , H01J3/00 , H01P1/2053
摘要： An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter.

23. 发明申请

US20140327499A1 RADIO FREQUENCY FILTER HAVING CAVITY STRUCTURE 有权
标题翻译：具有密度结构的无线频率滤波器
公开(公告)号：US20140327499A1
公开(公告)日：2014-11-06
申请号：US14333254
申请日：2014-07-16
申请人： KMW INC.
发明人： Nam-Shin Park , Dae-Soo Jeong
IPC分类号： H01P1/207
CPC分类号： H01P1/2053 , H01P1/205 , H01P1/207 , H01P1/208 , H01P7/04
摘要： The present invention relates to a radio frequency filter having a cavity structure, comprising: a container which has a hollow inner portion and a cavity that is cut off from the outside, and a resonance element which is placed in the hollow inner portion of the container, wherein the container has a wrinkled structure for adjusting the intervals between a longitudinal front end surface of the resonance element and the inner surfaces of the container facing the longitudinal front end surface using external pressure. Thus, the invention can be further miniaturized and is lightweight, and the design of the invention enables frequency tuning without employing a coupling structure of a tuning screw and a fastening nut, thereby obtaining a convenient and simplified structure.
摘要翻译：本发明涉及一种具有空腔结构的射频滤波器，包括：具有中空内部部分和从外部切断的空腔的容器，以及放置在容器的中空内部的共振元件其特征在于，所述容器具有褶皱结构，用于利用外部压力调节所述谐振元件的纵向前端表面和所述容器的面向所述纵向前端表面的内表面之间的间隔。因此，本发明可以进一步小型化并且重量轻，并且本发明的设计可以在不使用调谐螺钉和紧固螺母的联接结构的情况下实现频率调谐，从而获得方便和简化的结构。

24. 发明授权

US10847861B2 Multimode resonator 有权
公开(公告)号：US10847861B2
公开(公告)日：2020-11-24
申请号：US16798455
申请日：2020-02-24
申请人： KMW INC.
发明人： Nam-Shin Park
IPC分类号： H01P7/06 , H01P1/208 , H01P1/205
CPC分类号： H01P7/06 , H01P1/2053 , H01P1/2082
摘要： A resonator includes a housing having a cavity therein; a plurality of resonance plates which are arranged radially around a center of the cavity with a predetermined interval therebetween; and a plurality of legs each of which supports one of the plurality of resonance plates, respectively. A center of each of the plurality of legs is deviated from a center of a corresponding resonance plate.

25. 发明授权

US10601102B2 Multi-mode resonator 有权
公开(公告)号：US10601102B2
公开(公告)日：2020-03-24
申请号：US16425968
申请日：2019-05-30
申请人： KMW INC.
发明人： Nam-Shin Park
IPC分类号： H01P7/06 , H01P1/205 , H01P7/04 , H01P1/208
摘要： A multi-mode resonator includes: a housing having a cavity therein; and a plurality of resonance ribs which are arranged radially around a center of the cavity with a predetermined interval therebetween. Each of the plurality of resonance ribs includes a body having a lower end and an upper end. The lower end of each of the plurality of resonance ribs is fixed to a bottom surface of the housing, and the body of the each of the plurality of resonance ribs is bent so that the upper end of each of the plurality of resonance ribs points to the center of the cavity.

26. 发明授权

US10298195B2 Radio frequency filter employing notch structure 有权
公开(公告)号：US10298195B2
公开(公告)日：2019-05-21
申请号：US15704014
申请日：2017-09-14
申请人： KMW INC.
发明人： Nam-Shin Park
IPC分类号： H01P1/208 , H03H7/01 , H01P1/205
摘要： The present invention relates to a radio frequency filter employing a notch structure, wherein the notch structure is a dual notch structure which comprises: a C notch structure formed in a predetermined region at a partition between two cavities to be cross-coupled; and an L notch structure formed together with the C notch structure in a predetermined region at a partition between two cavities.

27. 发明授权

US09985330B2 Radio frequency filter with cavity structure 有权
公开(公告)号：US09985330B2
公开(公告)日：2018-05-29
申请号：US15072898
申请日：2016-03-17
申请人： KMW Inc.
发明人： Nam-Shin Park , Joung-Hoe Kim
IPC分类号： H01P1/205 , H01P7/04 , H01P1/30 , H01P1/202 , H01P1/20 , H01P1/208
CPC分类号： H01P1/2053 , H01P1/20 , H01P1/202 , H01P1/208 , H01P1/30 , H01P7/04
摘要： A radio frequency filter with a cavity structure is provided. The radio frequency filter includes a housing having an inner hollow portion to have a cavity and open from one side of the housing, a cover sealing the open side of the housing, and a resonant element disposed inside the hollow housing. A through hole is formed at a part of the cover, corresponding to the resonant element, and a tuning element is installed covering the through hole, for frequency tuning. The tuning element is formed of a material having a different thermal expansion coefficient from a thermal expansion coefficient of a material of the cover.

28. 发明申请

US20180006623A1 RADIO FREQUENCY FILTER EMPLOYING NOTCH STRUCTURE 审中-公开
公开(公告)号：US20180006623A1
公开(公告)日：2018-01-04
申请号：US15704014
申请日：2017-09-14
申请人： KMW INC.
发明人： Nam-Shin Park
IPC分类号： H03H7/01 , H01P1/208 , H01P1/205
CPC分类号： H03H7/0115 , H01P1/2053 , H01P1/2084
摘要： The present invention relates to a radio frequency filter employing a notch structure, wherein the notch structure is a dual notch structure which comprises: a C notch structure formed in a predetermined region at a partition between two cavities to be cross-coupled; and an L notch structure formed together with the C notch structure in a predetermined region at a partition between two cavities.

29. 发明申请

US20150380793A1 RADIO FREQUENCY FILTER 审中-公开
标题翻译：无线频率滤波器
公开(公告)号：US20150380793A1
公开(公告)日：2015-12-31
申请号：US14847629
申请日：2015-09-08
申请人： KMW Inc.
发明人： Nam-Shin Park
IPC分类号： H01P1/20 , H01P7/10
CPC分类号： H01P1/2002 , H01P1/2136 , H01P7/10
摘要： The present invention relates to a radio frequency filter comprising: a first filter unit for filtering a signal in a first frequency band, which is a basic frequency band; a second filter unit for filtering a signal in a second frequency band, which is an additional frequency band in addition to the basic frequency band; and a switching unit having a structure in which at least one resonance terminal among one or more resonance terminals constituting the second filter unit is connected to or blocked from a ground terminal so as to eliminate or maintain the resonance function of the relevant resonance terminal(s).
摘要翻译：射频滤波器技术领域本发明涉及一种射频滤波器，包括：第一滤波器单元，用于对作为基本频带的第一频带中的信号进行滤波; 第二滤波器单元，用于对除了基本频带之外的附加频带的第二频带中的信号进行滤波; 以及具有这样的结构的开关单元，其中构成第二滤波器单元的一个或多个谐振端子中的至少一个谐振端子与接地端子连接或阻塞，以消除或维持相关谐振端子的谐振功能）。

30. 发明申请

US20140247098A1 RADIO FREQUENCY FILTER 有权
标题翻译：无线频率滤波器
公开(公告)号：US20140247098A1
公开(公告)日：2014-09-04
申请号：US14277449
申请日：2014-05-14
申请人： KMW INC.
发明人： Duk Yong Kim , Nam-Shin Park
IPC分类号： H01P1/20
CPC分类号： H03H7/46 , H01P1/20 , H01P1/203 , H03H7/0138 , H03H7/48 , H03H11/36 , H04B1/58
摘要： A Radio Frequency (RF) filter configured by combining a hybrid coupler with a general filter, for having different characteristics from original characteristics of a general filter is provided, in which a coupler receives an input signal through a first port, divides the input signal, outputs the divided signals through second and third ports, combines signals received through the second and third ports according to phases of the signals, and outputs the combined signal through the first port or as an output signal of the RF filter through a fourth port, and a first filter unit has a first port connected to the second port of the coupler and a second port connected to the third port of the coupler, for having a predetermined frequency filtering characteristic.
摘要翻译：提供了通过将混合耦合器与通用滤波器组合的用于具有与通用滤波器的原始特性不同的特性的射频（RF）滤波器，其中耦合器通过第一端口接收输入信号，分频输入信号，通过第二和第三端口输出划分的信号，根据信号的相位组合通过第二和第三端口接收的信号，并通过第一端口或通过第四端口输出组合信号作为RF滤波器的输出信号，以及第一滤波器单元具有连接到耦合器的第二端口的第一端口和连接到耦合器的第三端口的第二端口，用于具有预定的频率滤波特性。

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