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公开(公告)号：US20190198959A1
公开(公告)日：2019-06-27
申请号：US16179059
申请日：2018-11-02
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Noriyuki HIRABAYASHI , Shigemitsu TOMAKI
Abstract: A band-pass filter includes a main body, five resonators, a shield, and a partition. The main body is formed of a dielectric. The partition is formed of a conductor. The five resonators are configured so that capacitive coupling is established between every two of the resonators adjacent to each other in circuit configuration. Each of the five resonators includes a resonator conductor portion. A first stage resonator and a fifth stage resonator are magnetically coupled to each other although not adjacent to each other in circuit configuration. The partition extends to pass between the respective resonator conductor portions of the first stage resonator and the fifth stage resonator, and is electrically connected to the shield.
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公开(公告)号：US20180123202A1
公开(公告)日：2018-05-03
申请号：US15786111
申请日：2017-10-17
Applicant: TDK CORPORATION
Inventor： Hiroya SUZUKI , Yuta ASHIDA , Noriaki OOTSUKA
IPC: H01P1/02
CPC classification number: H01P1/022 , H01P5/10 , H01Q5/335 , H02M2007/4815 , H03B5/1265 , H03H7/38 , H03H7/422
Abstract: A balun includes an unbalanced port, a first balanced port, a second balanced port, a main line, a subline, a capacitor, and an impedance matching section. The subline is configured to be electromagnetically coupled to the main line. The main line has a first end and a second end opposite to each other. The subline has a first end and a second end opposite to each other. The capacitor is provided between the first end of the main line and the unbalanced port. The impedance matching section is provided between the second end of the subline and the second balanced port. The second end of the main line is connected to a ground. The first end of the subline is connected to the first balanced port.
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公开(公告)号：US20160218410A1
公开(公告)日：2016-07-28
申请号：US14969368
申请日：2015-12-15
Applicant: TDK CORPORATION
Inventor： Noriaki OOTSUKA , Takeshi KIJIMA , Yasunori SAKISAKA , Yuta ASHIDA
Abstract: A directional coupler includes: a main line connecting an input port and an output port; first to third subline sections each of which is formed of a line configured to be electromagnetically coupled to the main line; a first matching section provided between the first subline section and the second subline section; and a second matching section provided between the second subline section and the third subline section. The first and second matching sections are configured to cause changes in phase of high frequency signals passing therethrough, and have mutually different characteristics so as to create two attenuation poles in the frequency response of the coupling of the directional coupler.
Abstract translation: 定向耦合器包括：连接输入端口和输出端口的主线; 第一至第三子系部分，每个部分由构造为与主线电磁耦合的线形成; 第一匹配部分，设置在第一子线部分和第二子线部分之间; 以及设置在第二子线段和第三子线段之间的第二匹配部。 第一和第二匹配部分被配置为引起通过其中的高频信号的相位变化，并且具有相互不同的特性，从而在定向耦合器的耦合的频率响应中产生两个衰减极点。
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公开(公告)号：US20240291458A1
公开(公告)日：2024-08-29
申请号：US18585924
申请日：2024-02-23
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Tomonori TERUI , Masahiro TATEMATSU , Shuhei SAWAGUCHI , Keigo SHIBUYA , Tetsuzo GOTO
CPC classification number: H03H7/0115 , H03H7/21
Abstract: An electronic component includes a filter, a first phase-shift circuit, a second phase-shift circuit, and a stack. The first phase-shift circuit includes a first inductor provided in a first path connecting an unbalanced terminal and a first balanced terminal, and a first capacitor provided between the first path and a ground in a circuit configuration. The second phase-shift circuit includes a second capacitor provided in a second path connecting the unbalanced terminal and a second balanced terminal, and a second inductor provided between the second path and the ground in the circuit configuration. The first inductor and the second inductor are arranged in a direction parallel to a stacking direction.
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公开(公告)号：US20240048112A1
公开(公告)日：2024-02-08
申请号：US18361410
申请日：2023-07-28
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Shuhei SAWAGUCHI , Masahiro TATEMATSU , Keigo SHIBUYA , Tomonori TERUI , Tetsuzo GOTO
IPC: H03H7/01
CPC classification number: H03H7/0115 , H03H7/0161 , H03H2001/0085
Abstract: In a multilayer filter, first to fourth resonant circuits are connected to an input/output portion. The input/output portion includes an input/output port group including an unbalanced port and a pair of balanced ports or an input/output port group including two pairs of balanced ports. Each of the first to fourth resonant circuits includes an inductor conductor and first and second capacitor conductors. The inductor conductor includes first and second ends. The first capacitor conductor is connected to the first end. The second capacitor conductor is connected to the second end. The second and third resonant circuits are magnetically coupled to each other. The second and third resonant circuits are arranged between the first resonant circuit and the fourth resonant circuit in a first direction. Each of first and second electrodes of a jump capacitor conductor is connected to the inductor conductors of the first and fourth resonant circuits.
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Patent Agency Ranking
公开(公告)号：US20230282953A1
公开(公告)日：2023-09-07
申请号：US18174965
申请日：2023-02-27
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Masahiro TATEMATSU , Shuhei SAWAGUCHI , Keigo SHIBUYA , Tetsuzo GOTO
Abstract: A filter device includes a ground conductor layer, at least one through hole electrically connected to the ground conductor layer, a first resonator conductor layer and a second resonator conductor layer arranged to sandwich the at least one through hole, and a stack. The first resonator conductor layer extends in a first direction becoming away from the at least one through hole, i.e., the −X direction. The second resonator conductor layer extends in a second direction becoming away from the at least one through hole, i.e., the X direction.
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公开(公告)号：US20210399414A1
公开(公告)日：2021-12-23
申请号：US17343293
申请日：2021-06-09
Applicant: TDK Corporation
Inventor： Yasuyuki HARA , Yutaka UI , Yuta ASHIDA
Abstract: Disclosed herein is an antenna device that includes a filter layer, an antenna layer, a divider layer, and ground patterns. The antenna layer has first and second radiation conductors and first and second ground pillars that surround the first and second radiation conductors, respectively. Each of the first and second ground patterns has a first area that overlaps a first space surrounded by the first ground pillars, a second area that overlaps a second space surrounded by the plurality of second ground pillars, and a third area that connects the first and second areas. A width of the third area in a width direction perpendicular to an arrangement direction of the first and second areas is smaller than a width of each of the first and second areas in the width direction.
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公开(公告)号：US20210234249A1
公开(公告)日：2021-07-29
申请号：US17155789
申请日：2021-01-22
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Masahiro TATEMATSU , Shuhei SAWAGUCHI , Shigemitsu TOMAKI
IPC: H01P5/18
Abstract: A directional coupler includes first to fourth terminals, a first line, a second line, a ground conductor portion, and a stack. The first line includes a first center portion, a first connecting portion, and a second connecting portion. The second line includes a second center portion, a third connecting portion, and a fourth connecting portion. A distance between the first and third connecting portions and a distance between the second and fourth connecting portions decrease toward the first and second center portions. The first to fourth terminals are located on a bottom surface of the stack.
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公开(公告)号：US20190097311A1
公开(公告)日：2019-03-28
申请号：US16103123
申请日：2018-08-14
Applicant: TDK CORPORATION
Inventor： Yuta ASHIDA , Yasuyuki HARA , Toshiki TATE
Abstract: A composite electronic component includes a multilayer stack, a filter, and an antenna. The filter is located within the multilayer stack and interposed between a first ground conductor layer and a second ground conductor layer. The antenna includes a radiation element. The radiation element is located on a side of the second ground conductor layer opposite from the first ground conductor layer. When viewed in a direction parallel to the stacking direction of the multilayer stack, the radiation element entirely lies inside the perimeter of the second ground conductor layer. The multilayer stack includes a plurality of connection conductor sections arranged around the filter and connecting the first ground conductor layer and the second ground conductor layer.
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公开(公告)号：US20180175820A1
公开(公告)日：2018-06-21
申请号：US15842226
申请日：2017-12-14
Applicant: TDK CORPORATION
Inventor： Hiroya SUZUKI , Noriaki OOTSUKA , Yuta ASHIDA
Abstract: Provided is a balanced/unbalanced converter (1) that includes a first strip line (40), a second strip line (41), a third strip line (42), a fourth strip line (43), an unbalanced terminal (4), and an open terminal (7). The first strip line (40) includes a spiral first conductor (19), and the second strip line (41) includes a spiral second conductor (14). An outer circumferential end (19b) of the first conductor (19) is electrically connected to the unbalanced terminal (4), and an outer circumferential end (14a) of the second conductor (14) is electrically connected to the open terminal (7).
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