Patents Examined by Stephen E. Jones
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Patent number: 11936086Abstract: A metallized dielectric waveguide filter includes an upper metallized dielectric waveguide having a plurality of upper resonant cavities, the upper metallized dielectric waveguide comprising an upper dielectric block having metallized outer walls, and a lower metallized dielectric waveguide having a plurality of lower resonant cavities, the lower metallized dielectric waveguide comprising a lower dielectric block having metallized outer walls. A first of the upper resonant cavities is operatively connected to a first of the lower resonant cavities via at least one coupling window. A first slot having metallized walls is provided in a portion of the upper dielectric block that is part of the first of the upper resonant cavities.Type: GrantFiled: September 17, 2020Date of Patent: March 19, 2024Assignee: CommScope Italy S.r.l.Inventors: Andrea Manzoni, Giuseppe Resnati, Kejia Cao, Daniele Marrelli
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Patent number: 11936085Abstract: A composite electronic device comprises a ceramic waveguide, CWG, device having at least two input/output, I/O, ports; and a ceramic stripline, CS, device comprising at least one stripline transmission paths having at least two I/O ports. The CS device is affixed to the CWG device such that at least one of the I/O ports of the CWG device is electrically connected to a corresponding one I/O port of the CS device.Type: GrantFiled: July 16, 2019Date of Patent: March 19, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Chunyun Jian, Mi Zhou
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Patent number: 11929538Abstract: A RF dielectric filter comprising a block of dielectric material including top and bottom exterior longitudinal surfaces and side exterior surfaces covered with a layer of conductive material. RF signal input/output pads are located at opposed ends of the block. Each of the RF signal input/output pads comprises a strip of conductive material bridging between the bottom exterior surface and the side exterior surface. A strip or region of dielectric material surrounds all the sides of the elongate strip of conductive material except for one end of the strip of conductive material on the side exterior surface which is in a direct unitary coupling relationship with the remainder of the conductive material on the side exterior surface. In one embodiment, the strip or region of dielectric material is generally U-shaped and can vary in width.Type: GrantFiled: December 15, 2021Date of Patent: March 12, 2024Assignee: CTS CorporationInventors: Dong Jing, Gabriel Lopez, Nam Phan
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Patent number: 11923590Abstract: Provided is a process for manufacturing magnetically tunable nano-resonators. The nano-resonators comprise nanoparticles of a crystalline magnetic material embedded into cavities of a substrate.Type: GrantFiled: October 29, 2019Date of Patent: March 5, 2024Assignees: Universitaet Hamburg, Wisconsin Alumni Research FoundationInventors: Robert Blick, Max Lagally
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Patent number: 11923819Abstract: Disclosed herein are embodiments of a wide bandwidth attenuator circuit having a tunable gain and tunable input impedance. In some embodiments, the wideband attenuator circuit comprises a serial capacitor shunted to ground by a plurality of circuit slices that are connected in parallel and switchably coupled to the output node of the attenuator. Each circuit slice has a tunable resistor that can be set to a conductive state (“enabled”) or a high impedance state (“disabled”) The number of enabled circuit slices that are connected in parallel may be used to program the attenuator gain and the attenuator impedance.Type: GrantFiled: May 13, 2022Date of Patent: March 5, 2024Assignee: MEDIATEK Singapore Pte. Ltd.Inventors: Henry Arnold Park, Tamer Mohammed Ali
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Patent number: 11923592Abstract: Waveguide device (1) for guiding a radio frequency signal at a given frequency f, the device (1) including: a core (3) manufactured by additive manufacturing and including side walls with inner and outer surfaces (7, 8), the inner surfaces (7) delimiting a waveguide channel (2), wherein a cross-section of the channel (2) has two straight sides joined together by two half-portions, at least one of the two half-portions being rounded or formed of at least two straight segments the cross-section having a maximum length (a) and a maximum width (b), the ratio between the maximum length (a)/maximum width (b) being between 2.05 and 3.5, preferably between 2.05 and 2.4.Type: GrantFiled: March 8, 2023Date of Patent: March 5, 2024Assignee: SWISSTO12 SAInventors: Alexandre Dimitriades, Mathieu Billod, Lionel Simon, Santiago Capdevila Cascante, Emile de Rijk
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Patent number: 11923588Abstract: A single-layer cross-coupling filter includes a cavity in which a receiving space is formed; an integrally formed resonant structure installed in the receiving space; and at least one partition wall. The resonant structure includes at least two rows of resonant units distributed along a signal transmission path. The at least two rows of resonant units are located in a same plane of the receiving space, and each row of the resonant units includes a plurality of resonators. The resonators on a same row are coupled and connected to form signal transmission, and at least two adjacent resonators in different rows are coupled and connected to realize cross-coupling.Type: GrantFiled: July 16, 2021Date of Patent: March 5, 2024Assignees: PROSE TECHNOLOGIES (SUZHOU) CO., LTD., PROSE TECHNOLOGIES LLCInventors: Dunrong Li, Renhu Luo, Ze Yin, Jian Lu
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Patent number: 11923591Abstract: Waveguide device for guiding a radio frequency signal at a given frequency f, the device including: a core manufactured by additive manufacturing and including side walls with inner and outer surfaces, the inner surfaces delimiting a waveguide channel, wherein a cross-section of the channel has two straight sides joined together by two half-portions, at least one of the two half-portions being rounded or formed of at least two straight segments, the cross-section having a maximum length (a) and a maximum width (b), the ratio between the maximum length (a)/maximum width (b) being between 2.05 and 3.5, preferably between 2.05 and 2.4.Type: GrantFiled: April 10, 2020Date of Patent: March 5, 2024Assignee: SWISSTO12 SAInventors: Alexandre Dimitriades, Mathieu Billod, Lionel Simon, Santiago Capdevila Cascante, Emile de Rijk
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Patent number: 11916276Abstract: A circulator comprising a grounding plane including a first side and a second side, a magnet disposed on the first side of the grounding plane, a ferrite-based disk disposed on the second side of the grounding plane, and a conductor disposed on a side of the ferrite-based disk opposing the grounding plane. The conductor includes an elongate portion and the elongate portion has a distal end section projecting inwardly adjacent to a side of the magnet opposing the grounding plane. The circulator comprises a circulator housing including a plurality of side portions. The side portions have a first section and a second section, the second section extending further around a periphery of the housing than the first section such that a gap between neighboring first sections is wider than a gap between neighboring second sections.Type: GrantFiled: July 27, 2022Date of Patent: February 27, 2024Assignee: SKYWORKS SOLUTIONS, INC.Inventors: Hugh Charles Hancock, James Gerard O'Callaghan
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Patent number: 11916275Abstract: A duplexer includes a cavity resonator defining an opening covered by an RF plate. The RF plate defines an opening through which a pass-band tuning pipe extends and is secured thereto. A collar is attached to one end of the pipe, and at least one steel set screw extends into the interior of the collar, the at least one end having a soft (e.g., brass) tip. A tuning plunger is slidingly positioned within the pass-band tuning pipe. A rod is attached to a first end of the tuning plunger and extends through the collar, the rod being fabricated from a material harder than the tip of the at least one set screw. The at least one set screw is configured for tightening down on the rod to secure the rod and tuning plunger in place. A trimmer capacitor is positioned in the RF plate.Type: GrantFiled: July 31, 2023Date of Patent: February 27, 2024Assignee: Northcomm Technologies Group, Ltd.Inventor: Mark Lawrence Danon
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Patent number: 11901967Abstract: Provided is an analog front-end receiver including: a first equalizer including a first block switch configured to receive a first differential signal through a first node, and configured to block the first differential signal in a first operation mode; a second equalizer including a second block switch configured to receive a second differential signal through a second node, and configured to block the second differential signal in the first operation mode; a terminating resistor provided between the first node and the second node, and configured to receive the first differential signal via the first node, and receive the second differential signal via the second node; and a low pass filter configured to receive a third differential signal converted by the terminating resistor from the first differential signal, and configured to receive a fourth differential signal converted by the terminating resistor from the second differential signal.Type: GrantFiled: July 20, 2021Date of Patent: February 13, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong Gyu Park, Jae Hyun Park, Jun Han Bae, Ho-Bin Song
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Patent number: 11894592Abstract: A high frequency filter A1 has frequency characteristics such that the amount of attenuation for an input electrical signal is smaller in a first frequency band f1 than in a second frequency band f2. The high frequency filter A1 is provided with a dielectric elastomer transducer 1 that includes a dielectric elastomer layer 13 and a pair of electrode layers 14 sandwiching the dielectric elastomer layer 13. The frequency characteristics are variable by the dielectric elastomer transducer 1. This configuration provides a high frequency filter having frequency characteristics that are variable and suitable for a lightweight and compact configuration.Type: GrantFiled: September 14, 2020Date of Patent: February 6, 2024Assignees: ZEON CORPORATIONInventors: Seiki Chiba, Mikio Waki, Keisuke Oguma, Shinji Ozawa
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Patent number: 11881610Abstract: A method of fabricating a portion of magnetically controlled signal distribution device includes receiving a substrate and screen printing a low-k dielectric spacer over an upper surface of the surface from a low-k dielectric paste. The method also includes firing the substrate after the spacer has been screen printed thereon, forming an adhesive layer on top of the spacer and securing a magnet to a top of the adhesive layer.Type: GrantFiled: January 21, 2021Date of Patent: January 23, 2024Assignee: RAYTHEON COMPANYInventors: Keely M. Musgrove, Mark B. Hanna
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Patent number: 11870122Abstract: A liquid crystal phase shifter and an antenna are provided. The liquid crystal phase shifter includes: first and second substrates opposite to each other, a liquid crystal layer, a first electrode, and a second electrode that are between the first and second substrates, a first shielding electrode on a side of the first substrate distal to the liquid crystal layer, and a second shielding electrode on a side of the second substrate distal to the liquid crystal layer. The first and second electrodes generate an electric field when being provided with different voltages, respectively, to change a dielectric constant of the liquid crystal layer so as to adjust a phase shifting degree of a microwave signal. The first and second shielding electrodes shield radiation generated by the first and second electrodes when the different voltages are applied to the first and second electrodes, respectively.Type: GrantFiled: October 13, 2020Date of Patent: January 9, 2024Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Wu, Tienlun Ting, Ying Wang, Liang Li, Haocheng Jia, Cuiwei Tang, Qiangqiang Li
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Patent number: 11862835Abstract: The present invention discloses a dielectric filter with multilayer resonator, including a dielectric block, a plurality of multilayer resonator formed in the dielectric block, wherein each multilayer resonator is in a column shape extending in a first direction into the dielectric block and is formed of multiple metal layers paralleling and overlapping each other in a second direction, and vias extend in the second direction and connecting the metal layers in each multilayer resonator, and a ground electrode connected to the ground terminal of each multilayer resonator.Type: GrantFiled: August 4, 2021Date of Patent: January 2, 2024Assignee: CYNTEC CO., LTD.Inventors: Sheng-Ju Chou, Chen-Chung Liu
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Patent number: 11860206Abstract: A load-pull tuner is disclosed herein. The tuner comprises a transmission line network and dielectrics positionable above the transmission line network. The transmission line network comprising a main transmission line and two stubs connected to the main transmission line, the two stubs being transmission lines. The main transmission line and the two stubs being tunable transmission lines. The load-pull tuner directly connect to a Ground-Signal-Ground (GSG) probe. The load-pull tuner may be used at higher reflection coefficients for phased-array system characterization.Type: GrantFiled: September 16, 2021Date of Patent: January 2, 2024Assignee: C-COM SATELLITE SYSTEMS INC.Inventors: Ardeshir Palizban, Suren Gigoyan, Soroush Rasti Boroujeni, Safieddin Safavi-Naeini
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Patent number: 11848472Abstract: A differential circulator comprises first and second magnets, a ground plane, a first three-port junction conductor disposed between the first magnet and the ground plane, and a second three-port junction conductor disposed between the second magnet and the ground plane. The first three-port junction conductor and the second three-port junction conductor are in the same magnetic circuit including the first and second magnets to provide substantially same pass characteristics to radio frequency signals passing through the first three-port junction conductor and the second three-port junction conductor.Type: GrantFiled: August 12, 2022Date of Patent: December 19, 2023Assignee: SKYWORKS SOLUTIONS, INC.Inventors: Iain Alexander Macfarlane, Patrick Marcus Naraine, Scott David Wilson
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Patent number: 11848498Abstract: Filter arrangement comprising an inner electric conductor comprising at least one inner conductor segment, an outer electric conductor at least partly surrounding the inner conductor, at least one dielectric element and at least one coil spring. The at least one dielectric element is arranged sandwiched between at least one inner conductor segment and the outer conductor to form a capacitance between the outer conductor and the inner conductor segment. The at least one coil spring is arranged inside said outer conductor to force the inner conductor segment and the at least one dielectric element against the outer conductor. The at least one coil spring is made from an electrically conducting material to form an inductance and is electrically connected with the inner conductor segment. An antenna feeding network and a multi-radiator antenna comprising such a filter arrangement is also provided.Type: GrantFiled: April 4, 2022Date of Patent: December 19, 2023Assignee: CELLMAX TECHNOLOGIES ABInventors: Alf Ahlström, Anders Edquist
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Patent number: 11843159Abstract: A split ring resonator includes a first conductive member having a split ring shape, a second conductive member, and a third conductive member. The second and third conductive members have a split therebetween and are electrically connected with different ends of the first conductive member. The second conductive member includes a first portion belonging to a first layer substantially parallel to a plane to which the first conductive member belongs, a second portion belonging to a second layer substantially parallel to the plane and facing the first layer, and a third portion electrically connecting the first and second portions. The third conductive member includes fourth and fifth portion respectively belonging to the first and second layers, and a sixth portion electrically connecting the fourth and fifth portions. At least parts of the first and fifth portions face each other in a direction substantially perpendicular to the plane.Type: GrantFiled: March 9, 2020Date of Patent: December 12, 2023Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Keishi Kosaka, Yasuhiko Matsunaga, Eiji Hankui, Hiroshi Toyao
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Patent number: 11817612Abstract: A non-reciprocal microwave network is provided that includes an in-line ferromagnetic element with adjoining polarizing adapters to achieve directivity via a multi-mode interaction at or near the ferrite to act as new class of 4-port circulator or 2-port isolator, with standard waveguide inputs for assembly in larger networks.Type: GrantFiled: November 30, 2021Date of Patent: November 14, 2023Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Matthew A. Franzi, Sami G. Tantawi