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1. 发明授权

US11626653B2 Method of making a ceramic resonator RF filter, an RF module and a wireless mobile device by forming stacked rows of ceramic resonators connected to a printed circuit board 有权
公开(公告)号：US11626653B2
公开(公告)日：2023-04-11
申请号：US17303121
申请日：2021-05-20
申请人： Skyworks Solutions, Inc.
发明人： John Kenneth Darling , Brian Christopher Eiker , Robert Allen Burk , Michael R. Frye
IPC分类号： H01P11/00 , H03H9/46 , H04B1/40 , H04B1/00 , H03H9/50 , H01P1/205 , H01P1/213 , H01P7/04
摘要： A method of manufacturing a ceramic resonator radio frequency filter includes placing one or more first coaxial resonators on a printed circuit board, and placing one or more second coaxial resonators over the one or more first coaxial resonators so that the coaxial resonators are arranged in a stacked configuration on the printed circuit board. The method also includes electrically connecting the one or more first coaxial resonators and second coaxial resonators to the printed circuit board.

2. 发明授权

US11522259B2 Multilayered filter device 有权
公开(公告)号：US11522259B2
公开(公告)日：2022-12-06
申请号：US17362140
申请日：2021-06-29
申请人： TDK CORPORATION
发明人： Yuta Ashida , Noriyuki Hirabayashi , Shigemitsu Tomaki
IPC分类号： H01P1/203 , H03H7/01 , H01P1/205 , H03H1/00
摘要： A multilayered filter device includes a multilayer stack, a band pass filter, a first band elimination filter, and a second band elimination filter. The band pass filter and the first and second band elimination filters are each constructed using the multilayer stack. The band pass filter includes a plurality of first resonators with open ends. Each band elimination filter includes a connection path, and a second resonator coupled to the connection path. The connection path includes an impedance transformer. The second resonator includes a conductor line constituting a distributed constant line.

3. 发明授权

US11444647B2 Filter and transceiver comprising dielectric body resonators having frequency adjusting holes and a negative coupling hole 有权
公开(公告)号：US11444647B2
公开(公告)日：2022-09-13
申请号：US16899027
申请日：2020-06-11
申请人： Huawei Technologies Co., Ltd.
发明人： Bengui Yuan
IPC分类号： H04B1/38 , H01P1/205 , H01P1/213 , H01P1/208 , H01P1/20 , H01P7/10 , H04B1/40
摘要： Embodiments relate to the field of technologies of components of communications devices, and provide a dielectric filter, which resolves a problem that a solid dielectric filter has a difficulty in implementing capacitive coupling. The dielectric filter includes at least two dielectric resonators, where each of the dielectric resonators includes a body made of a solid dielectric material, and an adjusting hole located on a surface of the body. The adjusting hole is a blind hole, configured to adjust a resonance frequency of the dielectric resonator on which the blind hole is located. The bodies of all the dielectric resonators included by the dielectric filter form a body of the dielectric filter.

4. 发明申请

US20220255206A1 RADIO FREQUENCY FILTERS HAVING REDUCED SIZE 有权
公开(公告)号：US20220255206A1
公开(公告)日：2022-08-11
申请号：US17626907
申请日：2019-09-16
申请人： CommScope Technologies LLC
发明人： Dong Zhang , Matteo Cendamo , Marco Riva
IPC分类号： H01P1/205 , H04B1/00 , H04B1/04 , H04B1/10
摘要： Filter devices are provided herein. In some embodiments, a filter device includes resonators and a cover that is attached by adhesive tape to a housing that includes the resonators. In some embodiments, the filter device includes a tuning cover that overlaps the resonators and has cleaning holes therein. Moreover, in some embodiments, the filter device includes a wall inside the housing between a first of the resonators and a second of the resonators, and an average thickness of the wall is 3.0 millimeters or thinner. Related methods of manufacturing filter devices are also provided.

5. 发明授权

US11374296B2 Ceramic filter using stepped impedance resonators having an inner cavity with a decreasing inner diameter provided by a plurality of tapers 有权
公开(公告)号：US11374296B2
公开(公告)日：2022-06-28
申请号：US16867933
申请日：2020-05-06
申请人： Skyworks Solutions, Inc.
发明人： John Kenneth Darling
IPC分类号： H01P1/205 , H01P7/04
摘要： Disclosed are embodiments of ceramic radiofrequency filters advantageous as RF components. The ceramic filters can include a ceramic stepped impedance resonator, wherein the inner diameter of the ceramic stepped impedance resonator can vary from one end to another end. The inner diameter can be, for example, tapered, sectioned, or stair-stepped in order to provide different impedances in the ceramic resonator.

6. 发明申请

US20220181759A1 CROSS-COUPLED FILTER 有权
公开(公告)号：US20220181759A1
公开(公告)日：2022-06-09
申请号：US17665736
申请日：2022-02-07
申请人： ROSENBERGER TECHNOLOGIES CO., LTD. , ROSENBERGER TECHNOLOGIES LLC
发明人： Dunrong LI , Renhu LUO , Ze YIN , Qiang LI
IPC分类号： H01P1/208 , H01P1/205
摘要： A cross-coupled filter includes a minimum resonant structure including four resonators. In the minimum resonant structure, two resonators in the same row form a group, and two resonators in the same row are capacitively mainly coupled or inductively mainly coupled; two resonators in the same column are electrically and magnetically hybrid coupled; and the coupling polarities of the two groups of resonators in the two rows of resonant units are opposite to each other and form at least a cross-coupling. The invention realizes miniaturization and light weight in structural characteristics, and realizes low loss and good harmonic characteristics in electrical performance.

7. 发明授权

US11145945B2 Dielectric filter 有权
公开(公告)号：US11145945B2
公开(公告)日：2021-10-12
申请号：US16800707
申请日：2020-02-25
申请人： Samsung Electronics Co., Ltd.
发明人： Rongbiao Su , Zhou Chen , Ruoming Wang
IPC分类号： H01P1/20 , H01P7/10 , H01P1/205
摘要： A dielectric filter includes a plurality of resonators, wherein each resonator included in the plurality of resonators includes a tuning hole; and at least one stepped hole for adjusting capacitive coupling, wherein the at least one stepped hole is disposed between two adjacent resonators included in the plurality of the resonators, wherein the stepped hole comprises a large hole and a small through hole at a bottom center of the large hole, wherein a first sidewall and a first annular bottom of the large hole are configured with a metal conductive layer, and wherein at least one of a second sidewall of the small through hole and a second annular portion outside a bottom of the small through hole is not covered with the conductive layer.

8. 发明授权

US11063335B2 Resonator 有权
公开(公告)号：US11063335B2
公开(公告)日：2021-07-13
申请号：US16468893
申请日：2017-12-08
申请人： Nokia Technologies Oy
发明人： Efstratios Doumanis , Senad Bulja
IPC分类号： H01P7/06 , H01P1/205
摘要： A resonator assembly and method are disclosed. The resonator assembly comprises: a resonant chamber defined by a first wall, a second wall opposing the first wall and side walls extending between the first wall and the second wall; a first resonator comprising a first resonator element and a first resonator cap, the first resonator element having a first grounded end and an first open end, the first resonator element being grounded at the first grounded end on the first wall and extending into the resonant chamber, the first resonator cap having a first grounded portion and an first open portion, the first resonator cap being grounded at the first grounded portion on the second wall and extending into the resonant chamber to at least partially surround the first open end of the first resonator element with the first open portion for electrical field loading of the first resonator element by the first resonator cap; and a second resonator comprising a second resonator element and a second resonator cap located for electrical field loading of the second resonator element by the second resonator cap, the second resonator element being located for magnetic field coupling between the first resonator element and the second resonator element. In this way, a compact resonator assembly is provided having high operational performance. The provision of resonators having resonator elements and resonator caps helps to reduce the height of the resonator assembly to around one eighth of the operating wavelength. The provision of the resonator caps helps to contain the electrical field from the resonator elements, which enables adjacent resonator elements to be located closer together to provide for enhanced magnetic field coupling therebetween.

9. 发明授权

US10957958B2 Dielectric resonator and dielectric filter 有权
公开(公告)号：US10957958B2
公开(公告)日：2021-03-23
申请号：US16223359
申请日：2018-12-18
申请人： Murata Manufacturing Co., Ltd.
发明人： Masayuki Kikuda , Hitoshi Tada
IPC分类号： H01P1/20 , H01P7/10 , H01P1/205
摘要： A dielectric resonator includes a dielectric block, an external conductor, and wall-surface conductors. The dielectric block has a rectangular parallelepiped shape including a first surface and a second surface opposed to each other. The dielectric block includes a through hole extending from the first surface to the second surface. The external conductor is disposed on an outer surface of the dielectric block. The wall-surface conductors are disposed on a wall surface defining the through hole. The wall-surface conductor includes a first portion of the through hole adjacent to the first surface and a second portion of the through hole adjacent to the second surface. The first and second portions of the wall-surface conductors are separated by a separation distance.

10. 发明授权

US10886585B2 DC-capable cryogenic microwave filter with reduced Kapitza resistance 有权
公开(公告)号：US10886585B2
公开(公告)日：2021-01-05
申请号：US16136956
申请日：2018-09-20
申请人： International Business Machines Corporation
发明人： Patryk Gumann , Salvatore Bernardo Olivadese
IPC分类号： H01P1/203 , H01P1/30 , H01B12/02 , H01P1/205 , H05K7/20
摘要： An architecture for, and techniques for fabricating, a cryogenic microwave filter having reduced Kapitza resistance are provided. In some embodiments, the cryogenic microwave filter can comprise a substrate and a conductive line. The substrate can be formed of a material having a thermal conductivity property that sufficiently reduces Kapitza resistance in the cryogenic environment. The conductive line can be formed in a recess of the substrate and facilitate a filter operation on a microwave signal propagated in a cryogenic environment. In some embodiments, the conductive line can be formed according to a sintering technique that can reduce Kapitza resistance.

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