LIQUID CRYSTAL ANTENNA AND COMMUNICATION DEVICE

    公开(公告)号:US20250112381A1

    公开(公告)日:2025-04-03

    申请号:US18580147

    申请日:2022-07-05

    Abstract: A liquid crystal antenna and a communication device. The liquid crystal antenna includes: a first substrate; a second substrate; a plurality of antenna structures; a grounding electrode located on the side of the second substrate away from the antenna structures; each antenna structure includes a first microstrip line, a second microstrip line, and a liquid crystal layer, the first microstrip line includes first sub-microstrip lines and second sub-microstrip lines connected to the first sub-microstrip lines, the second microstrip line includes third sub-microstrip lines and fourth sub-microstrip lines connected to the third sub-microstrip lines, the first sub-microstrip lines and the third sub-microstrip lines all extend in a first direction and is arranged in a second direction, the orthographic projection of the liquid crystal layer covers at least part of the area of the orthographic projection of the first sub-microstrip lines and the orthographic projection of the plurality of third sub-microstrip lines.

    WIRELESS RADIO FREQUENCY RECEIVING DEVICE AND CONTROL METHOD THEREOF

    公开(公告)号:US20250062785A1

    公开(公告)日:2025-02-20

    申请号:US18614776

    申请日:2024-03-25

    Abstract: The device comprises: a signal transmission link, wherein the signal transmission link comprises a radio frequency front-end chip and a radio frequency transceiver chip which are connected in series, the radio frequency front-end chip is used for converting a received wireless signal into an analog electrical signal, and amplifying and filtering the analog electrical signal, and the radio frequency transceiver chip is used for converting the analog electrical signal into a digital electrical signal; at least two detection chips respectively connected to the signal transmission link, wherein the detection chips are used for detecting a signal parameter in the series link; and a gain controller connected between an output end of the detection chip and the radio frequency front-end chip, wherein the gain controller is used for adjusting a gain coefficient of the radio frequency front-end chip according to the signal parameter.

    SPATIAL FILTER, DRIVING METHOD THEREOF AND ELECTRONIC DEVICE

    公开(公告)号:US20240396195A1

    公开(公告)日:2024-11-28

    申请号:US18273768

    申请日:2022-07-19

    Abstract: A spatial filter, a driving method thereof and an electronic device are provided, and belong to the field of wireless communication technology. The spatial filter of the present disclosure includes at least one filter structure; wherein each filter structure includes a first substrate, a second substrate opposite to the first substrate, and a dielectric layer between the first substrate and the second substrate; wherein the first substrate includes a first dielectric substrate and at least one first electrode on a side of the first dielectric substrate close to the dielectric layer; the second substrate includes a second dielectric substrate and at least one second electrode on a side of the second dielectric substrate close to the dielectric layer; and the at least one first electrode intersects with the at least one second electrode, which defines at least one resonant unit configured to filter an electromagnetic wave.

    OPTICAL RELAY DEVICE AND SIGNAL TRANSMISSION SYSTEM

    公开(公告)号:US20240348339A1

    公开(公告)日:2024-10-17

    申请号:US18579323

    申请日:2022-05-25

    CPC classification number: H04B10/297

    Abstract: An optical relay device includes a substrate, and a first transmission module and a second transmission module that are provided on the substrate. The substrate has a first side and a second side opposite to each other in a direction perpendicular to the substrate. The first transmission module and the second transmission module both include at least one light emitting unit and at least one light receiving unit. The light emitting unit includes at least one light emitter. The light receiving unit includes at least one light receiver. Optical paths of light receiving units and optical paths of light emitting units are provided in one-to-one correspondence in the direction perpendicular to the substrate, and the light receiving unit and the light emitting unit that are corresponding to each other form a signal transmission channel.

    Phased Array Antenna, Scanning Method therefor, and Antenna System

    公开(公告)号:US20240063537A1

    公开(公告)日:2024-02-22

    申请号:US18271852

    申请日:2021-12-17

    CPC classification number: H01Q3/267 H01Q3/36

    Abstract: A phased array antenna, a scanning method therefor, and an antenna system. The phased array antenna comprises a plurality of antenna elements and a liquid crystal phase shifter used for performing phase calibration on the plurality of antenna elements. The scanning method comprises: applying a first wave control voltage to the liquid crystal phase shifter, and detecting first received signal level values received by the plurality of antenna elements; and continuously adjusting the first wave control voltage by means of an artificial intelligence algorithm, and detecting second received signal level values received by the plurality of antenna elements, until the ratios of the first received signal level values to the second received signal level values are greater than or equal to a first threshold.

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