VEHICLE-MOUNTED TELEMATICS BOX (TBOX) AND ANTENNA REAL-TIME SWITCHING METHOD AND APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

    公开(公告)号:US20230268965A1

    公开(公告)日:2023-08-24

    申请号:US17274723

    申请日:2019-09-06

    Inventor: Jun LI

    CPC classification number: H04B7/0602 H04B17/102 H04B17/103

    Abstract: A vehicle-mounted TBOX, an antenna real-time switching method and apparatus, and a non-transitory computer-readable storage medium are disclosed. The vehicle-mounted TBOX may include: a MCU control device, an antenna device and a measurement device, where the measurement device is configured to detect an incident wave power and a reflected wave power when the antenna device is in operation, and determine a real-time standing wave ratio at a position where the antenna device locates; the MCU control device is configured to communicate with the antenna device and the measurement device, determine an operation state of the antenna device according to the standing wave ratio, and send a control instruction to the antenna device; and the antenna device is configured to switch an internal antenna of the antenna device in real time according to the control instruction.

    DISPLAY SCREEN HAVING MIRROR FUNCTION, CONTROL METHOD, DEVICE AND TERMINAL

    公开(公告)号:US20170299903A1

    公开(公告)日:2017-10-19

    申请号:US15513391

    申请日:2015-07-20

    Inventor: Jun LI

    Abstract: Disclosed a display screen having a mirror function, a control method, a device and a terminal. The display screen includes: a screen lens (20), a liquid crystal screen (22) and a nano suspension layer (21), wherein the nano suspension layer (21) is disposed between the screen lens and the liquid crystal display. The control method includes: controlling the magnetic layer to provide a static magnetic field perpendicular to the display screen upon receipt of the trigger-off signal; and controlling the upper plate to provide a voltage, or controlling the upper plate to provide a voltage and controlling the magnetic layer to provide a static magnetic field perpendicular to the display screen upon receipt of the trigger-on signal.

    METHOD FOR DATA TRANSMISSION, RECEIVING END, DATA SOURCE AND COMPUTER-READABLE STORAGE MEDIUM

    公开(公告)号:US20240430493A1

    公开(公告)日:2024-12-26

    申请号:US18687064

    申请日:2022-08-05

    Abstract: A method for data transmission, a receiving end, a data source and a computer-readable storage medium are provided. The method may include acquiring a first transmission moment for key data of a newly accessed data source, and a second transmission moment for the key data of a previously accessed data source; generating a new first transmission moment according to the second transmission moment and a preset interval, in response to an interval between the first transmission moment and the second transmission moment being less than the preset interval; where the interval between the new first transmission moment and the second transmission moment is greater than or equal to the preset interval; and sending the new first transmission moment to the newly accessed data source, such that the newly accessed data source transmits the key data to the receiving end according to the new first transmission moment.

    GAIN ADJUSTMENT CONTROL METHOD, DEVICE AND APPARATUS, AND COMPUTER READABLE STORAGE MEDIUM

    公开(公告)号:US20220256482A1

    公开(公告)日:2022-08-11

    申请号:US17624728

    申请日:2020-05-19

    Abstract: A gain adjustment control method, device and apparatus, and a non-transitory computer-readable storage medium are disclosed. The method may include: calculating energy of a full-bandwidth physical downlink shared channel (PDSCH) transmission signal in an intermediate frequency digital domain or a baseband digital domain according to a set calculation period; determining a gain control adjustment parameter according to the calculated energy of the full-bandwidth PDSCH transmission signal; and controlling and adjusting a gain of a receiver according to the determined gain control adjustment parameter and a gain adjustment rule.

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