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    LASER SCANNER
    161.
    发明公开
    LASER SCANNER 审中-公开

    公开(公告)号：US20240231079A9

    公开(公告)日：2024-07-11

    申请号：US18151027

    申请日：2023-01-06

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jung Hwan HWANG ,  Jong Hwa KWON ,  Chang Hee HYOUNG

    IPC: G02B26/10

    CPC classification number: G02B26/105

    Abstract: Provided is a laser scanner. The laser scanner includes a laser transmitter configured to output a laser radiated towards an object, a laser receiver configured to receive a laser reflected from the object, and an oscillating mirror of which a mirror surface is coated with a thin metal film to reflect the received laser reflected from the object and be penetrated by an electromagnetic wave incident from an outside the laser scanner. The received laser reflected from the object is reflected by the mirror surface of the oscillating mirror coated with the thin metal film and received by a laser receiver, and the electromagnetic wave incident from the outside the laser scanner penetrates the mirror surface of the oscillating mirror and then dissipates.

    SYSTEM AND METHOD FOR TRAINING AGENT BASED ON TRANSFER TRAINING
    166.
    发明公开
    SYSTEM AND METHOD FOR TRAINING AGENT BASED ON TRANSFER TRAINING 审中-公开

    公开(公告)号：US20240220857A1

    公开(公告)日：2024-07-04

    申请号：US18229283

    申请日：2023-08-02

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sooyoung Jang ,  Sang Yeoun LEE ,  Ji Hun JEON

    IPC: G06N20/00

    CPC classification number: G06N20/00

    Abstract: An agent training method based on transfer training is provided. The method includes preparing an agent pre-trained in a first environmental condition (hereinafter referred to as source agent), obtaining training data for training of an agent to be trained in a second environmental condition (hereinafter referred to as target agent) different from the first environmental condition by using the source agent, pre-training the target agent based on the training data, and performing deep reinforcement training-based training on the pre-trained target agent in the second environmental condition.

    Communication device and method, and unmanned aerial vehicle employing the same
    168.
    发明授权
    Communication device and method, and unmanned aerial vehicle employing the same 有权

    公开(公告)号：US12028106B2

    公开(公告)日：2024-07-02

    申请号：US18101775

    申请日：2023-01-26

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jeong Gi Yang ,  Soo Jeon Lee

    IPC: H04B1/69 ,  B64C39/02 ,  B64U20/80 ,  B64U101/20 ,  G01S11/02

    CPC classification number: H04B1/69 ,  B64C39/024 ,  B64U20/80 ,  G01S11/02 ,  B64U2101/20

    Abstract: The present disclosure provides a communication device which is suitable for use in an unmanned aerial vehicle operating in an unmanned aerial vehicle collaboration system including multiple unmanned aerial vehicles and enables both a data communication with another unmanned aerial vehicle and a measurement of a distance to another unmanned aerial vehicle. According to an aspect of an exemplary embodiment, a communication device of an unmanned aerial vehicle includes: an ultra-wideband (UWB) communication circuit configured to perform a UWB communication with other unmanned aerial vehicle; and a UWB communication manager configured to send transmit data to the other unmanned aerial vehicle and receive data sent by the other unmanned aerial vehicle through the UWB communication circuit, and transmit or receive shared data to be shared by unmanned aerial vehicles in a form of being appended to a distance measurement frame.

    Phase-locked loop circuit and operation method thereof
    169.
    发明授权
    Phase-locked loop circuit and operation method thereof 有权

    公开(公告)号：US12028082B2

    公开(公告)日：2024-07-02

    申请号：US17966463

    申请日：2022-10-14

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Ja Yol Lee

    IPC: H03L7/099 ,  H03L7/081 ,  H03L7/091

    CPC classification number: H03L7/0993 ,  H03L7/081 ,  H03L7/091

    Abstract: A phase-locked loop circuit includes a voltage controlled oscillator (VCO) that generates a VCO clock in response to a voltage control signal, a divider that divides the VCO clock to output a division clock, a phase-frequency error detector that receives a reference clock and outputs a first error compensation signal, a sampler that receives the reference clock and oversamples the reference clock at a rising edge or a falling edge to output a sampling clock, a window phase error detector that receives the reference clock and outputs a second error compensation signal, a residue phase error detector that outputs a third error compensation signal, an adder that accumulates the first error compensation signal, the second error compensation signal, and the third error compensation signal to output a final error compensation signal, and a loop filter that converts and output the final error compensation signal into the voltage control signal.

    Network environment synchronization apparatus and method
    170.
    发明授权
    Network environment synchronization apparatus and method 有权

    公开(公告)号：US12026181B2

    公开(公告)日：2024-07-02

    申请号：US17552328

    申请日：2021-12-15

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Joo-Young Lee ,  Ki-Jong Koo ,  Ik-Kyun Kim ,  Dae-Sung Moon ,  Kyung-Min Park

    IPC: G06F16/00 ,  G06F16/22 ,  G06F16/29

    CPC classification number: G06F16/29 ,  G06F16/2246 ,  G06F16/2255

    Abstract: Disclosed herein are a network environment synchronization apparatus and method. The network environment synchronization apparatus includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to collect data from a network environment and generate a management structure in which collected data is distributed into preset respective group units, generate data discriminators for respective group units using a preset hash function, determine whether data of the management structure has changed with reference to data newly collected from the network environment based on the data discriminators, and when it is determined whether data of the management structure has changed, update the data of the management structure with the newly collected data.

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