SENSOR DEVICE AND SYSTEM USING THE SAME

    公开(公告)号:US20250069846A1

    公开(公告)日:2025-02-27

    申请号:US18584633

    申请日:2024-02-22

    Abstract: A system includes a radio frequency (RF) device outputting an RF signal; and at least one sensor device generating a power supply voltage using the RF signal output from the RF device, and operating by the power supply voltage, wherein the sensor device includes a case; a plurality of detectors disposed in the case, and collecting environmental data of a space in which the RF device and the sensor device are input, to generate detection data; a battery supplying a power supply voltage necessary for operation of the plurality of detectors; and a charger charging the battery, wherein the charger includes an antenna installed in the case and receiving RF power from an external source, an RF-DC converter converting an alternating current voltage corresponding to the RF power into a direct current voltage, a matching circuit connected between the antenna and the RF-DC converter, and a DC-DC converter adjusting a level of the direct current voltage and charging the battery.

    Robot with vehicle charging
    3.
    发明授权

    公开(公告)号:US11312257B2

    公开(公告)日:2022-04-26

    申请号:US16513762

    申请日:2019-07-17

    Abstract: A processor-implemented robot control method includes: determining a target position from map information; estimating a candidate region for a current position in the map information based on information sensed by an inertial measurement unit (IMU) and first image information received from an image sensor; estimating the current position in the candidate region based on second image information received from either the image sensor or another image sensor; and controlling a movement of a vehicle charging robot based on the target position and the current position.

    ELECTRONIC DEVICE FOR IMPEDANCE MATCHING AND OPERATING METHOD THEREOF

    公开(公告)号:US20250055444A1

    公开(公告)日:2025-02-13

    申请号:US18765500

    申请日:2024-07-08

    Abstract: Provided is an electronic device including a matching circuit having different matching impedance values according to connection states of the plurality of switches, and configured to output a matching power signal by impedance matching an input power signal, a power conversion circuit configured to convert the matching power signal into an output power signal, and a controller configured to set the matching impedance value of the matching circuit by transmitting a switching signal for adjusting the connection states of the plurality of switches to the plurality of switches, wherein the controller is further configured to receive the output power signal from the power conversion circuit while changing the matching impedance value, select an optimal matching impedance value based on a plurality of output power signals that are received, and set the optimal matching impedance value as the matching impedance value.

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