Patents Assigned to YUJIN ROBOT CO., LTD.
  • Patent number: 11874399
    Abstract: Disclosed is a Light Detection and Ranging (LIDAR) sensor which is capable of minimizing the size of a LIDAR sensor which is capable of performing 3D scanning and setting a region of interest for obtaining point cloud data with the removal of light scattering, by separating a transmitter module and a receiver module; disposing a transmitter, a mirror, and a receiver in a specific space so that light emitted from a light source or light reflected from a transmission mirror is reflected from a first reflection region of a moving mirror and is then moved to a target object, after which light reflected from the target object is reflected from a second reflection region of the moving mirror and is moved to the transmission mirror or a photodiode; installing a blocking wall separating movement paths of light; and adjusting the range of movement of the moving mirror.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 16, 2024
    Assignee: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Jae Young Lee, Moo Woong Cheon, Man Yeol Kim
  • Patent number: 11579298
    Abstract: The present exemplary embodiments provide a hybrid sensor, a Lidar sensor, and a moving object which generate composite data by mapping distance information on an obstacle obtained through the Lidar sensor to image information on an obstacle obtained through an image sensor and predict distance information of composite data based on intensity information of a pixel, to generate precise composite data.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: February 14, 2023
    Assignee: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Jae Young Lee, Moo Woong Cheon, Man Yeol Kim
  • Patent number: 10175688
    Abstract: Provided is a remote control apparatus for remotely controlling a moving robot, including: a user interface unit displaying a map associated with a traveling area of a moving robot and receiving a user command associated with an operation of the moving robot; a processor selecting at least a part of the map as a designated area and generating a control signal for remotely controlling the moving robot by considering the received user command; and a wireless communication unit transmitting the generated control signal to the moving robot and receiving a response signal depending on the control signal from the moving robot.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: January 8, 2019
    Assignee: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Yeong Il Choe, Byung Kwon Moon, Jae Young Lee
  • Patent number: 10133279
    Abstract: Disclosed are an apparatus and a method of updating a key frame of a mobile robot. An apparatus for updating a key frame of a mobile robot includes a key frame initializing unit which initializes seeds which constitute a key frame in a first position of the mobile robot and a key frame updating unit which projects seeds in the initialized key frame onto a first image photographed in the first position to obtain a coordinate according to each of the seeds and projects the seeds with the coordinates onto a second image photographed in a second position in accordance with movement of a mobile robot to update the seeds of the key frame as a projected result.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: November 20, 2018
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Jae Young Lee
  • Patent number: 10133278
    Abstract: Disclosed are an apparatus of controlling movement of a mobile robot mounted with a wide angle camera and a method thereof. An apparatus of recognizing a position of a mobile robot includes two wide angle cameras which obtain one pair of stereo images on a region of interest including a vertical direction and a horizontal direction in accordance with movement of a mobile robot; an inertial measurement unit (IMU) which obtains inertial information of a mobile robot; a position recognizing unit which predicts a movement point using one between first odometry information calculated based on at least one pair of stereo images and second odometry information calculated based on the inertial information and estimates a current position using the predicted movement point and a previously stored key frame, by a position recognizing unit; and a movement control unit which controls movement of the mobile robot based on the estimated position.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 20, 2018
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Min Chang, Jae Young Lee, Byung Kwon Moon
  • Patent number: 9675222
    Abstract: Disclosed is a cleaning robot having an expanded cleaning territory. The cleaning robot of the present invention comprises: a platform in which at least one corner of the exterior thereof has an angle of less than 90°; a first driving wheel of which the central axis is attached to the bottom portion of the platform at a predetermined first angle (?) and a predetermined second angle (??) with respect to the forward direction of the platform; and a second driving wheel of which the central axis is attached to the bottom portion of the platform at the predetermined second angle (??) with respect to the forward direction of the platform.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 13, 2017
    Assignee: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Min Chang, No Soo Lee, Jae Young Lee, Byung Kwon Moon
  • Publication number: 20160051104
    Abstract: Disclosed is a cleaning robot having an expanded cleaning territory. The cleaning robot of the present invention comprises: a platform in which at least one corner of the exterior thereof has an angle of less than 90°; a first driving wheel of which the central axis is attached to the bottom portion of the platform at a predetermined first angle (?) and a predetermined second angle (??) with respect to the forward direction of the platform; and a second driving wheel of which the central axis is attached to the bottom portion of the platform at the predetermined second angle (??) with respect to the forward direction of the platform.
    Type: Application
    Filed: March 28, 2014
    Publication date: February 25, 2016
    Applicant: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul SHIN, Seong Ju PARK, Min CHANG, No Soo LEE, Jae Young LEE, Byung Kwon MOON
  • Patent number: 9186800
    Abstract: A bumper assembly of a mobile robot includes a sliding member which is installed to be movable in front and rear directions with respect to a robot body, a first elastic member which is coupled to the sliding member and presses the sliding member in the front direction, a first sensor which senses a movement of the sliding member when the sliding member moves in the rear direction, a front plate which is disposed at a front side of the sliding member, rotatably coupled to the sliding member, and moves integrally with the sliding member when the sliding member moves in the front and rear directions, and a second sensor which senses a rotation of the front plate when the front plate rotates.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: November 17, 2015
    Assignee: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, No Soo Lee
  • Patent number: 9033079
    Abstract: The present invention relates to a mobile robot, in which a wheel is mounted on a robot body in an elevatable structure.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: May 19, 2015
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, No Soo Lee
  • Patent number: 8873832
    Abstract: The present invention relates to a slip detection apparatus and method for a mobile robot, and more particularly, to a slip detection apparatus and method for a mobile robot, which not only use a plurality of rotation detection sensors to detect a lateral slip angle and lateral slip direction, but also analyze the amount of change in an image and detect the blocked degree of an image input unit to determine the quality of an input image, and detect the occurrence of a frontal slip to precisely detect the type of slip, direction of the slip, and the rotation angle, and, on the basis of the latter, to enable the mobile robot to move away from and avoid slip regions, and to reassume the precise position thereof.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: October 28, 2014
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Patent number: 8849036
    Abstract: The present invention relates to a map generating and updating method for mobile robot position recognition, and more specifically relates to a map generating and updating method for mobile robot position recognition, whereby position recognition error can be minimized by registering landmarks extracted during map generation and landmarks extracted on the basis of the probable error in inferred landmarks, calculating the accuracy of landmarks pre-registered during map generation, and adjusting the level of landmarks of low accuracy or removing landmarks which have been registered erroneously.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: September 30, 2014
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Patent number: 8744665
    Abstract: The present invention relates to a control method for the localization and navigation of a mobile robot and a mobile robot using the same. More specifically, the localization and navigation of a mobile robot are controlled using inertial sensors and images, wherein local direction descriptors are employed, the mobile robot is changed in the driving mode thereof according to the conditions of the mobile robot, and errors in localization may be minimized.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: June 3, 2014
    Assignee: Yujin Robot Co., Ltd.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim
  • Publication number: 20140145495
    Abstract: The present invention relates to a mobile robot, in which a wheel is mounted on a robot body in an elevatable structure.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 29, 2014
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, No Soo Lee
  • Publication number: 20140138964
    Abstract: The present invention relates to a bumper assembly of a mobile robot which can accurately sense a broadside collision as well as a head-on collision when the mobile robot collides with an obstacle.
    Type: Application
    Filed: July 6, 2012
    Publication date: May 22, 2014
    Applicant: YUJIN ROBOT CO., LTD
    Inventors: Kyung Chul Shin, Seong Ju Park, No Soo Lee
  • Publication number: 20120219207
    Abstract: The present invention relates to a slip detection apparatus and method for a mobile robot, and more particularly, to a slip detection apparatus and method for a mobile robot, which not only use a plurality of rotation detection sensors to detect a lateral slip angle and lateral slip direction, but also analyze the amount of change in an image and detect the blocked degree of an image input unit to determine the quality of an input image, and detect the occurrence of a frontal slip to precisely detect the type of slip, direction of the slip, and the rotation angle, and, on the basis of the latter, to enable the mobile robot to move away from and avoid slip regions, and to reassume the precise position thereof.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 30, 2012
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Publication number: 20120213443
    Abstract: The present invention relates to a map generating and updating method for mobile robot position recognition, and more specifically relates to a map generating and updating method for mobile robot position recognition, whereby position recognition error can be minimised by registering landmarks extracted during map generation and landmarks extracted on the basis of the probable error in inferred landmarks, calculating the accuracy of landmarks pre-registered during map generation, and adjusting the level of landmarks of low accuracy or removing landmarks which have been registered erroneously.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 23, 2012
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim, James Stonier Daniel
  • Publication number: 20120191287
    Abstract: The present invention relates to a control method for the localization and navigation of a mobile robot and a mobile robot using the same. More specifically, the localization and navigation of a mobile robot are controlled using inertial sensors and images, wherein local direction descriptors are employed, the mobile robot is changed in the driving mode thereof according to the conditions of the mobile robot, and errors in localization may be minimized.
    Type: Application
    Filed: July 28, 2009
    Publication date: July 26, 2012
    Applicant: YUJIN ROBOT CO., LTD.
    Inventors: Kyung Chul Shin, Seong Ju Park, Hee Kong Lee, Jae Young Lee, Hyung O Kim