Radio frequency transmitting and receiving devices and unmanned aerial vehicle system

    公开(公告)号:US11316549B2

    公开(公告)日:2022-04-26

    申请号:US16303486

    申请日:2018-05-22

    Applicant: GOERTEK INC.

    Abstract: The present invention discloses radio frequency transmitting and receiving devices and an unmanned aerial vehicle system. The radio frequency transmitting device comprises: a first crystal oscillator, configured to provide a first clock signal with a frequency f; a reference signal receiving circuit, configured to receive a reference signal with a frequency (N−1)×f transmitted by a radio frequency receiving device; a frequency mixer, configured to perform frequency mixing processing on the first clock signal and the reference signal to obtain a carrier signal with a frequency N×f; a modulating circuit, configured to load a signal to be transmitted on the carrier signal, to obtain a frequency band signal; and a first transmitting circuit, configured to transmit the frequency band signal to the radio frequency receiving device. The radio frequency transmission performed according to the present invention has higher resistance to instantaneous vibration.

    Voice enhancement using depth image and beamforming

    公开(公告)号:US10984816B2

    公开(公告)日:2021-04-20

    申请号:US16475013

    申请日:2018-07-05

    Applicant: GOERTEK INC.

    Abstract: A voice enhancement method and apparatus of a smart device and a smart device are disclosed. The method comprises: monitoring and collecting a voice signal sent by a user in real time; determining a direction of the user according to the voice signal; collecting a depth image in the direction of the user; determining a sound source direction of the user according to the depth image; and adjusting a beamforming direction of a microphone array on the smart device according to the sound source direction of the user, and performing enhancement processing on the voice signal.

    Method and device for charging service robot and service robot

    公开(公告)号:US10946529B2

    公开(公告)日:2021-03-16

    申请号:US16097739

    申请日:2018-05-23

    Applicant: Goertek Inc.

    Abstract: A method for charging a service robot and a service robot are disclosed. The method comprises: collecting an audio signal generated by a sound source of a charging pile; determining a direction of the sound source according to the collected audio signal; controlling a robot main body to move toward the direction of the sound source, to shorten a distance between the robot main body and the charging pile; judging whether the infrared receiver array has received an infrared pulse signal emitted by the infrared emitter array of the charging pile; and when the infrared receiver array has received the infrared pulse signal, controlling the robot main body to move toward a direction of the charging pile according to the infrared pulse signal, to engage a charging component of the robot main body with a charging contact element of the charging pile.

    UNMANNED AERIAL VEHICLE COMMUNICATION METHOD AND DEVICE AND UNMANNED AERIAL VEHICLE

    公开(公告)号:US20200257003A1

    公开(公告)日:2020-08-13

    申请号:US16095876

    申请日:2018-06-08

    Applicant: Goertek Inc.

    Abstract: An unmanned aerial vehicle (UAV) communication method and device and a UAV are disclosed. The method comprises: acquiring position information of the UAV and position information of a ground station, wherein the ground station and the UAV are communicated wirelessly; determining a distance between the UAV and the ground station according to the position information of the UAV and the position information of the ground station; determining an operating mode of a power amplifier on the UAV according to the distance and a preset distance judgment rule, wherein the distance judgment rule stores correspondences between distance thresholds and operating modes of the power amplifier; and sending a control signal corresponding to the operating mode to the power amplifier, controlling the power amplifier to select a gain parameter threshold corresponding to the operating mode according to the control signal and to perform power amplification of a RF transmitting signal according to the gain parameter threshold; and sending the amplified signal to the ground station.

    Spatial positioning device and positioning processing method and device

    公开(公告)号:US10699436B2

    公开(公告)日:2020-06-30

    申请号:US15741975

    申请日:2017-08-11

    Applicant: Goertek Inc.

    Abstract: The present invention discloses a spatial positioning device, and a positioning processing method and device. The spatial positioning device comprises a set of cameras arranged horizontally and a set of cameras arranged vertically, wherein each set comprises at least two cameras with the same parameters including an image resolution, a camera lens angle in the horizontal direction and a camera lens angle in the vertical direction; and the at least two cameras in the set of cameras arranged horizontally are aligned in the horizontal direction, and the at least two cameras in the set of cameras arranged vertically are aligned in the vertical direction. In the spatial positioning device provided by the present invention, as the sets of cameras are arranged in the different directions, it is possible to effectively reduce or even eliminate the number of blind spots in the process of image shooting in the single direction. In addition, the additionally arranged set of cameras arranged vertically may also improve the measurement accuracy of a spatial position coordinate of an object in the vertical direction, so as to improve the positioning accuracy of the object.

    Method and Device for Charging Service Robot and Service Robot

    公开(公告)号:US20200180161A1

    公开(公告)日:2020-06-11

    申请号:US16097739

    申请日:2018-05-23

    Applicant: Goertek Inc.

    Abstract: A method for charging a service robot and a service robot are disclosed. The method comprises: collecting an audio signal generated by a sound source of a charging pile; determining a direction of the sound source according to the collected audio signal; controlling a robot main body to move toward the direction of the sound source, to shorten a distance between the robot main body and the charging pile; judging whether the infrared receiver array has received an infrared pulse signal emitted by the infrared emitter array of the charging pile; and when the infrared receiver array has received the infrared pulse signal, controlling the robot main body to move toward a direction of the charging pile according to the infrared pulse signal, to engage a charging component of the robot main body with a charging contact element of the charging pile.

    Projection method and projection device

    公开(公告)号:US11330235B2

    公开(公告)日:2022-05-10

    申请号:US16343293

    申请日:2018-05-25

    Applicant: GOERTEK INC.

    Abstract: The disclosure provides a projection method and projection device. The method comprises: acquiring a sound signal sent by a user; performing locating to determine a positional relationship between the user and the projection device according to the sound signal sent by the user; determining a projected image orientation meeting viewing requirements of the user according to the positional relationship between the user and the projection device; and projecting an image to be projected onto a projection plane according to the projected image orientation. By use of the projection method provided by the disclosure, the projected image orientation may be automatically adjusted according to the viewing requirements of the user, and convenience and friendliness for human-computer interaction may be improved.

    SPATIAL POSITIONING DEVICE AND POSITIONING PROCESSING METHOD AND DEVICE

    公开(公告)号:US20190051010A1

    公开(公告)日:2019-02-14

    申请号:US15741975

    申请日:2017-08-11

    Applicant: Goertek Inc.

    Abstract: The present invention discloses a spatial positioning device, and a positioning processing method and device. The spatial positioning device comprises a set of cameras arranged horizontally and a set of cameras arranged vertically, wherein each set comprises at least two cameras with the same parameters including an image resolution, a camera lens angle in the horizontal direction and a camera lens angle in the vertical direction; and the at least two cameras in the set of cameras arranged horizontally are aligned in the horizontal direction, and the at least two cameras in the set of cameras arranged vertically are aligned in the vertical direction. In the spatial positioning device provided by the present invention, as the sets of cameras are arranged in the different directions, it is possible to effectively reduce or even eliminate the number of blind spots in the process of image shooting in the single direction. In addition, the additionally arranged set of cameras arranged vertically may also improve the measurement accuracy of a spatial position coordinate of an object in the vertical direction, so as to improve the positioning accuracy of the object.

    Method and device for measuring body temperature and smart apparatus

    公开(公告)号:US11340117B2

    公开(公告)日:2022-05-24

    申请号:US16097718

    申请日:2018-05-24

    Applicant: Goertek Inc.

    Abstract: A method and device for measuring body temperature and a smart apparatus are disclosed. The method comprises: when a temperature measuring instruction is received, starting a camera and a first infrared thermometer; photographing a user by using the camera to obtain an image, and identifying the image to determine a part to be measured of the user; acquiring a distance between the first infrared thermometer and the user; when the distance is equal to a preset distance threshold, controlling the first infrared thermometer to measure the temperature of the part to be measured of the user; wherein the preset distance threshold is set according to a focal length of a Fresnel lens of the first infrared thermometer; and according to a preset rule and the measured temperature, determining a value or a value range of the user's body temperature.

    Unmanned aerial vehicle communication method and device and unmanned aerial vehicle

    公开(公告)号:US10852445B2

    公开(公告)日:2020-12-01

    申请号:US16095876

    申请日:2018-06-08

    Applicant: Goertek Inc.

    Abstract: An unmanned aerial vehicle (UAV) communication method and device and a UAV are disclosed. The method comprises: acquiring position information of the UAV and position information of a ground station, wherein the ground station and the UAV are communicated wirelessly; determining a distance between the UAV and the ground station according to the position information of the UAV and the position information of the ground station; determining an operating mode of a power amplifier on the UAV according to the distance and a preset distance judgment rule, wherein the distance judgment rule stores correspondences between distance thresholds and operating modes of the power amplifier; and sending a control signal corresponding to the operating mode to the power amplifier, controlling the power amplifier to select a gain parameter threshold corresponding to the operating mode according to the control signal and to perform power amplification of a RF transmitting signal according to the gain parameter threshold; and sending the amplified signal to the ground station.

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