Patents Examined by Benny T. Lee
  • Patent number: 11929540
    Abstract: An electromagnetic coupler including: a substrate; and a first conductor mounted to the substrate for receiving a first electromagnetic signal, the first conductor having a first multiple arcuate edge; a second conductor mounted to the substrate, the second conductor being spaced apart from the first conductor and having a second multiple arcuate edge that is opposed to the first edge for generating in the second conductor a second electromagnetic signal that is derived from the first electromagnetic signal.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: March 12, 2024
    Assignee: BAE Systems Australia Limited
    Inventor: Michel A Ross
  • Patent number: 11923589
    Abstract: A Substrate Integrated Wave (SIW) coupled to a Suspended Substrate Stripline (SSS) filter for introducing a notch response has a substrate having metal layers formed on a top surface and a bottom surface thereof. A filter circuit is formed on the top surface of the substrate. A top ground plate is provided and has an air cavity formed on a bottom surface of the top ground plate. The air cavity on the top ground plate is positioned directly above the filter circuit when the top ground plate is positioned on the top surface of the substrate. A bottom ground plate is provided and has an air cavity formed on a top surface of the bottom ground plate. The air cavity on the bottom ground plate is positioned directly below the filter circuit when the bottom ground plate is positioned on the bottom surface of the substrate. A SIW cavity resonator is coupled to the filter circuit by means of an aperture to create a notch response in the SSS filter.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: March 5, 2024
    Inventor: Francisco Iwao Hirata
  • Patent number: 11909088
    Abstract: A transmission line member includes a base body extending along a transmission direction of a high-frequency signal, and a first transmission line, a second transmission line, and a third transmission line. The base body includes a first portion including the first transmission line, a second portion including the second transmission line, and a third portion including the third transmission line. The second portion is connected between the first and third portions. A thickness of the second portion is smaller than a thickness of the first and third portions. The second transmission line includes only a conductor pattern extending more in the transmission direction than in a direction of the thickness.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: February 20, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Shigeru Tago
  • Patent number: 11909089
    Abstract: A printed circuit board is provided, comprising a horizontally extending dielectric substrate and a substrate integrated waveguide (SIW) having at least one ridge. The SIW comprises two horizontally disposed conductive ground planes spaced by a vertical distance, and two vertically disposed conductive fences spanning therebetween. The fences extend in a first horizontal direction, and are spaced from one another in a second horizontal direction, perpendicular to the first horizontal direction. At least one of the fences comprises a plurality of horizontally disposed conductive strips vertically spaced from one another and extending in the first horizontal direction. At least some of the conductive strips are ridge-strips constituting the ridge and extending in the second horizontal direction toward the other of the fences.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: February 20, 2024
    Assignee: VAYYAR IMAGING LTD.
    Inventor: Naftali Chayat
  • Patent number: 11901600
    Abstract: A ceramic waveguide filter comprises a plurality of resonant cavities defined by a plurality of through partition walls formed in a single ceramic block to divide sections of the ceramic block according to a pre-designated pattern, a plurality of resonant recesses formed in the sections of the plurality of resonant cavities divided by the through partition walls, a metal layer formed on an inner surface of each of the plurality of through partition walls, and input/output interfaces formed in two resonant cavities inputting and outputting signals among the plurality of resonant cavities.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: February 13, 2024
    Assignee: ACE TECHNOLOGIES CORPORATION
    Inventor: Dong Wan Chun
  • Patent number: 11901599
    Abstract: In one embodiment, a waveguide assembly includes a first waveguide portion having a first end, a second end, and a first waveguide channel extending between the first end and the second end, and a second waveguide portion having a first end, a second end, and a second waveguide channel extending between the first end and the second end, wherein the first waveguide portion and the second waveguide portion are configured to connect such that the first waveguide channel and the second waveguide channel form a combined channel, wherein the combined channel includes a gap interface between the first waveguide channel and the second waveguide channel.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: February 13, 2024
    Assignee: Space Exploration Technologies Corp.
    Inventors: Anders Jensen, Samuel T. Reineman, Robert D. Giglio
  • Patent number: 11901602
    Abstract: A dielectric wave guide cable (1) includes a tubular core (2) made from a low loss material having a certain permittivity. The tubular core (2) is encompassed by a cladding (3) having, compared to the tubular core (2), a lower permittivity. The tubular core (2) may be coated on the inside by a coating (3) having a higher permittivity. The cladding (3) may be encompassed by a jacket (4).
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: February 13, 2024
    Assignee: HUBER+SUHNER AG
    Inventors: Martin Wagner, Andrea Croce, Ulf Hügel
  • Patent number: 11894595
    Abstract: Example embodiments relate to substrate integrated waveguide (SIW) transitions. An example SIW may include a dielectric substrate having a top surface and a bottom surface and a first metallic layer portion coupled to the top surface of the dielectric substrate that includes a single-ended termination, an impedance transformer, and a metallic rectangular patch located within an open portion in the first metallic layer portion such that the open portion forms a non-conductive loop around the metallic rectangular patch. The SIW also includes a second metallic layer portion coupled to the bottom surface of the dielectric substrate and metallic via-holes electrically coupling the first metallic layer to the second metallic layer. The SIW may be implemented in a radar unit to couple antennas to a printed circuit board (PCB). In some examples, the SIW may be implemented with only a non-conductive opening that lacks the metallic rectangular patch.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: February 6, 2024
    Assignee: Waymo LLC
    Inventors: Edwin Lim, Tegan Argo, Marvin Weinstein
  • Patent number: 11888204
    Abstract: A transmission line includes a signal conductor and one or more return conductors, one or more of which having a stepped multi-layer structure. The return conductors may be disposed at opposite sides of the signal conductor. The return conductors may be multi-layer structures. At least some layers of each return conductor may have a stepped arrangement that defines a curve, such as an exponential curve. Additionally or alternatively, the signal conductor may be a stepped multi-layer structure, where at least some layers of the signal conductor may define a curve, such as an exponential curve. The signal conductor may be disposed at one or more upper layers of the transmission line or may be embedded at one or more layers near the center of the transmission line.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: January 30, 2024
    Assignee: NXP B.V.
    Inventors: Mustafa Acar, Danny Wayling Chang, Dominicus Martinus Wilhelmus Leenaerts, Philipp Franz Freidl
  • Patent number: 11881609
    Abstract: An assembly for a radio frequency filter includes: an elongate pedestal with an upper surface; a resonator; a tuning member that is positioned above the resonator; and a screw that mounts the resonator to the upper surface of the pedestal, the screw including a shank with a thread and a head, the head including a plurality of recesses configured to receive a tool, the recesses extending through the head.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: January 23, 2024
    Assignee: CommScope Italy S.R.L.
    Inventors: Andrea Manzoni, Luca Bonato, Antonio Sala
  • Patent number: 11876278
    Abstract: An example balun includes a center conductor that passes through a printed wiring board having multiple dielectric layers and cage vias arranged relative to the center conductor. The cage vias include a first set of cage vias that extend between an unbalanced connection to the balun and a balanced connection to the balun. The first set of cage vias are part of a first circular arc and are connected to electrical ground through a first ground ring. The cage vias include a second set of cage vias that extend from the unbalanced connection part-way through the printed wiring board. The second set of cage vias are part of a second circular arc and are connected to the electrical ground through a second ground ring. The second circular arc is longer than the first circular arc.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: January 16, 2024
    Assignee: RAYTHEON COMPANY
    Inventors: Angelo M. Puzella, John B. Francis
  • Patent number: 11876273
    Abstract: The present disclosure relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: first side terminal contacted with the electrode pad; and the second side terminal connected to the RF signal connecting portion. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevents disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: January 16, 2024
    Assignee: KMW INC.
    Inventors: Nam Shin Park, Joung Hoe Kim, Sung Ho Jang
  • Patent number: 11876274
    Abstract: A phase shifter and an antenna device are provided. The phase shifter includes a substrate, a signal line on the substrate, ground lines in pairs on the substrate, and a capacitance adjusting component. Two ground lines in a same pair of ground lines are on both sides of the signal line and spaced apart from the signal line, respectively. The capacitance adjusting component includes a film bridge, and both ends of the film bridge are on the two ground lines, respectively. The signal line is in a space enclosed by the film bridge and the substrate. The capacitance adjusting component is configured to adjust a capacitance between the film bridge and the signal line to a target capacitance when the capacitance adjusting component receives a bias voltage, and the target capacitance has a linear correlation with a magnitude of the bias voltage.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: January 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingwen Guo, Chunxin Li, Qianhong Wu, Yanzhao Li, Feng Qu
  • Patent number: 11862833
    Abstract: A coupling assembly is provided. More specifically, the coupling assembly is configured to form a quick, preferably mechanical and electromagnetic, connection between two devices such as a radio and antenna. The coupling assembly has interchangeable portions can be easily adjusted or adapted to swap parts such as waveguides having different sizes and dimensions while maintaining a standard connection portion that can be used with the different sized and shaped parts, thereby reducing manufacturing costs and increasing the efficiency of field installations.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 2, 2024
    Assignee: NETQUI J.S.A.
    Inventors: Martin Marcin{hacek over (c)}ák, Peter {hacek over (S)}vihura, Pavol Capek
  • Patent number: 11855351
    Abstract: Base station antenna feed boards are provided. A base station antenna feed board includes a phase shifter and a hybrid radio frequency transmission line that is coupled to the phase shifter. The hybrid radio frequency transmission line includes a coplanar waveguide and a microstrip line. Related base station antennas are also provided.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: December 26, 2023
    Assignee: CommScope Technologies LLC
    Inventors: Haifeng Li, Peter J. Bisiules
  • Patent number: 11855326
    Abstract: High speed waveguide-based data communication systems are disclosed. Such systems may include separable electrical connectors, forming signal propagation paths between electronic assemblies with one or more waveguides.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: December 26, 2023
    Assignee: FCI USA LLC
    Inventors: Stephen B. Smith, Madhumitha Rengarajan, Kapil Sharma
  • Patent number: 11848473
    Abstract: A cavity device is disclosed comprising a plurality of flat boards stacked one on lop of the other to form a multilayered structure. At least some of the flat boards comprise at least one opening or perforations having one or more layers of electrically conducting materials configured to establish electrical conduction with one or more layers of electrically conducting materials of another one of the flat boards, to thereby form electrically conducting patterns in the multilayered structure for interacting with electromagnetic radiation introduced into the cavity device.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: December 19, 2023
    Inventor: Nimrod Rospsha
  • Patent number: 11843156
    Abstract: An aspect of the present invention simplifies a method of manufacturing a mode converter. A mode converter (10) includes: a post-wall waveguide (PW); a microstrip line (MS); and a blind via (BV) configured to carry out conversion between a waveguide mode of the post-wall waveguide (PW) and a waveguide mode of the microstrip line (MS), the blind via (BV) having a shape approximated by a shape obtained by combining a plurality of cylinders (C1 to C4), each of the plurality of cylinders (C1 to C4) having a diameter equal to the diameter of through vias 14i.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 12, 2023
    Assignee: FUJIKURA LTD.
    Inventor: Yusuke Uemichi
  • Patent number: 11843151
    Abstract: A phase shifter and a method for operating the same, an antenna and a communication device are provided. The phase shifter includes: a first substrate and a second substrate opposite to each other; a dielectric layer between the first substrate and the second substrate; a first electrode on a side of the first substrate proximal to the second substrate; a second electrode on a side of the second substrate proximal to the first substrate; and a ground electrode on a side of the second substrate distal to the first substrate. The dielectric layer includes liquid crystal molecules, and the first electrode and the second electrode are configured to control rotation of the liquid crystal molecules according to different voltages respectively received by the first electrode and the second electrode. The second electrode has a one-piece structure.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: December 12, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiangzhong Kong, Tienlun Ting, Lei Wang, Ken Wen
  • Patent number: 11843157
    Abstract: An aspect of the present invention is to reduce return loss in a mode converter. A mode converter (10) includes an excitation pin (through via TV) configured to carry out mutual conversion between a waveguide mode of a post-wall waveguide (PW) and a waveguide mode of a microstrip line (MS). The mode conductor includes a pair of wide walls (conductor layers 12 and 13), in which first and second anti-pads (anti-pads 12c, 13c) are formed, respectively. The first and second anti-pads each have an inner edge including the excitation pin and each have an outer size (diameter D12) that is more than 5 times and less than 6 times as large as the diameter (DT) of the excitation pin.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: December 12, 2023
    Assignee: FUJIKURA LTD.
    Inventor: Yusuke Uemichi