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255 条记录 (耗时 0.019 秒)

    Radio-frequency component comprising several waveguide devices with ridges
    47.
    发明授权
    Radio-frequency component comprising several waveguide devices with ridges 有权

    公开(公告)号：US12015184B2

    公开(公告)日：2024-06-18

    申请号：US17276987

    申请日：2020-03-27

    申请人： SWISSto12 SA

    发明人： Esteban Menargues Gomez ,  Tomislav Debogovic ,  Santiago Capdevila Cascante ,  Emile de Rijk

    IPC分类号： H01P1/165 ,  H01Q3/26 ,  H01Q13/28 ,  H01Q15/24

    CPC分类号： H01P1/165 ,  H01Q3/26 ,  H01Q13/28 ,  H01Q15/244

    摘要： Radio-frequency component including several waveguide devices, for example antennas or polarizers, arranged in an array for transmitting and/or receiving electromagnetic signals. The radio-frequency component includes several ridges and each waveguide device includes: at least one inner wall; an upstream opening in the direction of propagation of the signals during emission; and a downstream opening in the direction of propagation of the emitting signals, linked to the upstream opening so that the emitting signals are transmitted from the upstream opening to the downstream opening. The arrangement of the ridges in the openings upstream of the radiofrequency component may be different from the arrangement of the ridges in the openings downstream of the radio-frequency component. The arrangement of ridges in the downstream openings of each waveguide device includes no more and no less than three ridges.

    Compact wideband low-profile dielectric resonator antennas
    48.
    发明授权
    Compact wideband low-profile dielectric resonator antennas 有权

    公开(公告)号：US11929563B2

    公开(公告)日：2024-03-12

    申请号：US17713280

    申请日：2022-04-05

    申请人： City University of Hong Kong

    发明人： Kwok Wa Leung ,  Hauke Ingolf Kremer ,  Wai Ki Lee

    IPC分类号： H01Q9/04 ,  H01Q1/38 ,  H01Q13/28 ,  H01Q15/10

    CPC分类号： H01Q9/0485 ,  H01Q1/38 ,  H01Q9/045 ,  H01Q13/28 ,  H01Q15/10

    摘要： A substrate-integrated dielectric resonator contains a substrate layer with a first dielectric constant, a plurality of dielectric vias, and a plurality of second vias. Each dielectric via includes a first via-hole extending through the substrate layer, and a dielectric material with a second dielectric constant contained within the first via-hole. Each second via has a second via-hole extending through the substrate layer and filled with gas. A dielectric resonator antenna containing a substrate-integrated dielectric resonator and a method of fabricating the same is also disclosed. By skillfully arranging second vias inside the DRA, the resonant frequencies of different modes can be controlled, and a wide impedance band-width with stable radiation performance can be achieved.

    LOW-PROFILE MEDIUM WAVE TRANSMITTING SYSTEM
    49.
    发明公开
    LOW-PROFILE MEDIUM WAVE TRANSMITTING SYSTEM 审中-公开

    公开(公告)号：US20240047872A1

    公开(公告)日：2024-02-08

    申请号：US18489986

    申请日：2023-10-19

    申请人： Worldwide Antenna Systems LLC

    发明人： Grady MOATES

    IPC分类号： H01Q3/44 ,  H01Q13/28 ,  H03F3/21 ,  H03F3/193 ,  H03F1/02 ,  H01Q3/28 ,  H03F3/195 ,  H04B1/04

    CPC分类号： H01Q3/44 ,  H01Q13/28 ,  H03F3/21 ,  H03F3/193 ,  H03F1/0205 ,  H01Q3/28 ,  H03F1/0211 ,  H03F3/195 ,  H04B1/0458 ,  H04B1/0483

    摘要： Techniques for controlling a low-profile medium wave transmitting system are provided. An example of an antenna system according to the disclosure includes a first radiator operably coupled to a first amplifier, a first modulator operably coupled to the first amplifier and configured to provide a first radio frequency signal to the first amplifier, a second radiator operably coupled to a second amplifier, a second modulator operably coupled to the second amplifier and configured to provide a second radio frequency signal to the second amplifier, a control module operably coupled to the first modulator, first amplifier, the second modulator, and the second amplifier, the control module being configured to control a delta phase value based on the first radio frequency signal and the second radio frequency signal, and control the power output of the first amplifier and the second amplifier.

    Leaky-wave antenna
    50.
    发明授权
    Leaky-wave antenna 有权

    公开(公告)号：US11611149B2

    公开(公告)日：2023-03-21

    申请号：US17358325

    申请日：2021-06-25

    申请人： City University of Hong Kong

    发明人： Chi Hou Chan ,  Gengbo Wu ,  Ka Fai Chan

    IPC分类号： H01Q13/20 ,  H01Q13/28 ,  H01P3/16

    摘要： A leaky-wave antenna includes a substrate extending along an axis, and a dielectric waveguide extending along the axis and arranged in the substrate. The dielectric waveguide includes at least a top side, a bottom side, and opposite sides arranged between the top and bottom sides. A distance defined between the opposite sides varies along the axis for at least part of a length of the dielectric waveguide.