CROSS-DIPOLE RADIATING ELEMENTS HAVING FREQUENCY SELECTIVE SURFACES AND BASE STATION ANTENNAS HAVING SUCH RADIATING ELEMENTS

    公开(公告)号:US20240006777A1

    公开(公告)日:2024-01-04

    申请号:US18339317

    申请日:2023-06-22

    摘要: Antennas include a first radiating element that is configured to operate in a first operating frequency band, and a second radiating element that is configured to operate in a second operating frequency band that encompasses higher frequencies than the first operating frequency band. The first radiating element includes a first dipole radiator having first and second dipole arms and a second dipole radiator having third and fourth dipole arms. The first dipole arm includes a first metal region that substantially surrounds a first non-metal interior region, and the first non-metal interior region is configured so that currents induced on a first portion of the first metal region by RF energy emitted by the second radiating element substantially cancel currents induced on a second portion of the first metal region by the RF energy emitted by the second radiating element.

    A MOBILE COMMUNICATION ANTENNA FOR TRANSMITTING AND/OR RECEIVING MOBILE COMMUNICATION SIGNALS

    公开(公告)号:US20230378648A1

    公开(公告)日:2023-11-23

    申请号:US18027740

    申请日:2020-09-23

    发明人: Maximilian GÖTTL

    IPC分类号: H01Q5/42 H01Q21/24 H01Q5/35

    CPC分类号: H01Q5/42 H01Q21/24 H01Q5/35

    摘要: A mobile communication antenna (1) comprises a reflector arrangement (3) and a first radiator array (5 a) with dual-polarized radiators (2) and a second radiator array (5b) with dual-polarized radiators (2). Each radiator (2) comprises four feed sections (7a, 7b, 7c, 7d). At least one radiator (2) is configured to transmit and receive four different mobile communication signals (S1, S2, S3, S4) via the first, second, third and fourth feed sections (7a, 7b, 7c, 7d), thereby forming a multi signal radiator (2b). The remaining radiators (2) of the first and second radiator array (5a) are configured to transmit and receive two different mobile communication signals (S1, S2, S3, S4) of these four different mobile communication signals (S1, S2, S3, S4) via the first, second, third and fourth feed sections (7a, 7b, 7c, 7d), thereby forming a dual signal radiator (2a).

    Multi-resonator array
    36.
    发明授权

    公开(公告)号:US11824268B2

    公开(公告)日:2023-11-21

    申请号:US17750747

    申请日:2022-05-23

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

    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.

    SEMI-CLOSED WIRELESS DATA TRANSFER FOR ROTARY JOINTS

    公开(公告)号:US20230361485A1

    公开(公告)日:2023-11-09

    申请号:US18067495

    申请日:2022-12-16

    IPC分类号: H01Q21/24 H01Q21/06

    CPC分类号: H01Q21/24 H01Q21/061

    摘要: Systems configured to implement semi-closed wireless data transfer for rotary joints are disclosed. An example system includes first and second RF transceivers, to be included in different components of a rotary joint. The first and second RF transceivers implement elliptically (e.g., circularly) polarized antennas to realize a short distance communication link (e.g., a 60 GHz short distance communication link) between the two components of a rotary joint. The example system further includes an open-ended waveguide (OEWG) between the first and second RF transceivers, for receiving, at a first end of the OEWG, wireless signals transmitted by one of the first and second RF transceivers, transmitting the received signals through the OEWG, and radiating, at a second end of the OEWG, wireless signals indicative of the received wireless signals, to be received by another one of the first and second RF transceivers.