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67 条记录 (耗时 0.032 秒)

    Steerable-beam multiple-feed dielectric resonator antenna
    51.
    发明申请
    Steerable-beam multiple-feed dielectric resonator antenna 有权

    公开(公告)号：US20030016176A1

    公开(公告)日：2003-01-23

    申请号：US10245056

    申请日：2002-09-17

    发明人： Simon P. Kingsley ,  Steven G. O'Keefe

    IPC分类号： H01Q001/38 ,  H01Q015/08

    CPC分类号： H01Q9/0485 ,  H01Q1/40 ,  H01Q9/0492 ,  H01Q9/30 ,  H01Q19/06 ,  H01Q19/09 ,  H01Q21/20 ,  H01Q21/22 ,  H01Q25/00

    摘要： A radiating antenna capable of generating or receiving radiation using a plurality of feeds and a dielectric resonator is disclosed. The purpose of using multiple feeds with a single dielectric resonator antenna is to produce several beams each having a nullboresightnull (that is, a direction of maximum radiation on transmit, or a direction of maximum sensitivity on receive) in a different direction. Several such beams may be excited simultaneously to form a new beam in any arbitrary direction. The new beam may be incrementally or continuously steerable and may be steered through a complete 360 degree circle. The invention may be combined with an internal or external monopole antenna so as to cancel out the antenna backlobe or otherwise resolve the front/back ambiguity that arises with this type of dielectric resonance antenna. When receiving radio signals, electronic processing of such multiple beams may be used to find the direction of those signals thus forming the basis of a radio direction finding device. Further, by forming a transmitting beam or resolving a receiving beam in the direction of the incoming radio signal, a nullsmartnull or nullintelligentnull antenna may be constructed. The excitation of several beams together can, in some combinations, produce a system with a significantly greater bandwidth than a beam formed by exciting a single probe or aperture. The dielectric resonator is mounted on a ground plane, is preferably substantially cylindrical, and is fed, for example, by a number of internal probes or external ground plane apertures. An internal or external monopole antenna may be added to improve performance.

    Multi-resonator array
    52.
    发明授权
    Multi-resonator array 有权

    公开(公告)号：US11824268B2

    公开(公告)日：2023-11-21

    申请号：US17750747

    申请日：2022-05-23

    申请人： ROGERS CORPORATION

    发明人： Kristi Pance ,  Shailesh Pandey ,  Gianni Taraschi ,  Sara G. Canzano ,  Daniel Pennock

    IPC分类号： H01Q21/24 ,  H01Q5/307 ,  H01Q9/04

    CPC分类号： H01Q21/24 ,  H01Q5/307 ,  H01Q9/0492

    摘要： An electromagnetic, EM, apparatus includes: a unit cell having at least two dielectric resonator antennas, DRAs; wherein each one of the at least two DRAs is distinctly different from another one of the at least two DRAs; wherein each one of the at least two DRAs is not electromagnetically coupled with another one of the at least two DRAs; wherein the unit cell is configured to operate over a defined overall frequency range; wherein a first DRA of the at least two DRAs is configured to operate over a first frequency range within the overall frequency range; wherein a second DRA of the at least two DRAs is configured to operate over a second frequency range within the overall frequency range that is different from the first frequency range.

    Circularly Polarized Antenna Structures And Wearable Devices
    56.
    发明公开
    Circularly Polarized Antenna Structures And Wearable Devices 审中-公开

    公开(公告)号：US20230170620A1

    公开(公告)日：2023-06-01

    申请号：US18162477

    申请日：2023-01-31

    申请人： Anhui Huami information Technology Co., Ltd.

    发明人： Anping Zhao ,  Zhouyou Ren

    IPC分类号： H01Q9/04

    CPC分类号： H01Q9/0464 ,  H01Q9/0492

    摘要： Provided are a circularly polarized antenna structure and a wearable device. The circularly polarized antenna structure is applicable to the wearable device and includes: a mainboard; an annular radiator, having an effective perimeter equal to a wavelength corresponding to a central operating frequency of the antenna structure; a feeding terminal electrically connected to the radiator at one end and connected to a feeding module of the mainboard at the other end; and a grounding terminal electrically connected to the radiator at one end and electrically connected to a grounding module of the mainboard through a first capacitor at the other end. With the antenna structure of the present disclosure, a circularly polarized antenna may be implemented in the wearable device.