Patents by Inventor Kyung-shik Roh

Kyung-shik Roh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200329339
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
  • Patent number: 10786895
    Abstract: A home robot device includes a memory, a movement module, and a processor. The processor is configured to execute a motion based on specified motion execution information stored in the memory, obtain feedback information of a user, generate modified motion execution information by modifying at least a portion of the specified motion execution information based on the feedback information of the user, where the modified motion execution information includes a movement value of at least one joint unit of the home robot device or at least one support linked to the at least one joint unit selected from a probability model of the specified motion execution information, and execute a motion of the home robot device based on the modified motion execution information.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: September 29, 2020
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: So Hee Lee, Dong Hyun Kwak, Eun Sol Kim, Ji Seob Kim, Kyoung Woon On, Byoung Tak Zhang, Kyung Shik Roh, Suk June Yoon
  • Patent number: 10780585
    Abstract: A robot for performing hand-eye calibration is provided. The robot includes a robot arm including a plurality of joints, a plurality of arm sections, and an end effector, a communication interface, and a control circuit. The control circuit controls the robot arm to place the external object on a worktable after the external object is grasped by the end effector, acquires coordinates of a central point of the external object in a coordinate system of the camera from an image of the external object, and calculates a calibration parameter for defining a relation between a coordinate system of the end effector and the coordinate system of the camera, based on coordinates of the end effector in a base coordinate system of the robot and coordinates of the central point of the external object in the coordinate system of the camera when the external object is placed on the worktable.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: September 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soon Yong Park, Kyung Shik Roh, Sung Hwan Ahn, Suk June Yoon, So Hee Lee, Young Pil Jeon
  • Patent number: 10701516
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 30, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Sung Hwan Ahn, Byeong Cheol Moon, Suk Hoon Jung, Dong Soo Han, Kyung Shik Roh, Suk June Yoon
  • Patent number: 10663972
    Abstract: A cleaning robot includes a data acquisition unit that acquires actual sensor data by measuring a distance from a current position to an object to be measured; a local map acquisition unit that acquires a local map by scanning the vicinity of the current position based on an environmental map stored in advance; and a processor that determines coordinates of the current position for the local map by performing matching between the local map and the actual sensor data, and determines a traveling direction based on the current position by calculating a main segment angle of a line segment existing in the local map.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soon Yong Park, No San Kwak, Kyung Shik Roh, Suk June Yoon, So Hee Lee, Min Yong Choi
  • Publication number: 20190394615
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 26, 2019
    Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
  • Patent number: 10492668
    Abstract: Disclosed herein are an endoscope system and a control method thereof. The control method includes acquiring plural omnidirectional images of the surroundings of an endoscope using a stereo omnidirectional camera mounted on the endoscope, calculating distances between the endoscope and an object around the endoscope using the acquired plural omnidirectional images, and executing an operation to avoid collision between the endoscope and the object around the endoscope based on the calculated distances, thus facilitating safe operation of the endoscope.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: December 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk June Yoon, No San Kwak, Kyung Shik Roh, Sung Hwan Ahn, Won Jun Hwang
  • Patent number: 10448812
    Abstract: Surgical trocars, and image acquisition method using the same, include a body having a passage configured to receive at least one surgical instrument, and at least one camera movably coupled to an outer wall of the body.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk June Yoon, Kyung Shik Roh, Soon Yong Park, Sung Hwan Ahn, Ji Hyo Lee, Won Jun Hwang, Hyo Seok Hwang
  • Patent number: 10390687
    Abstract: An endoscopic surgical instrument may include: two surgical instrument modules, each of which is provided with a surgical instrument portion; and/or an endoscopic module configured to form a triangular shape with the two surgical instrument modules and configured to capture operations of the surgical instrument modules at different angles using a plurality of joints. Wires connecting respective members coupled by the plurality of joints may be configured to amplify drive forces of a drive portion applied to the plurality of joints. The plurality of joints may include rolling joints at which teeth of gears engage and rotate with each other. The plurality of joints may provide three or more degrees of freedom to the endoscopic module.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung June Choi, Yong Jae Kim, Jeong Hun Kim, Kyung Shik Roh, Se Gon Roh, Youn Baek Lee, Jong Won Lee
  • Patent number: 10369070
    Abstract: A motion assistive apparatus may include a receiver allowing a user to intuitively adjust performance of the motion assistive apparatus and a method of controlling the same. The motion assistive apparatus may include a receiver provided to adjust variable characteristics of the motion assistive apparatus, a processor to adjust a variable parameter related to adjustment of the variable characteristics, in response to adjustment of the variable characteristics through the receiver, and an actuator to output changed assist power in response to adjustment of the variable parameter to change the variable characteristics.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Shik Roh, Young Do Kwon, Young Bo Shim, Jeong-heon Han
  • Patent number: 10363663
    Abstract: An electronic device, capable of being placed on a cradle, may include a camera module configured to acquire an image, a sensor module configured to sense information regarding an orientation of the electronic device, a processor configured to determine a target orientation of the electronic device based on the acquired image and a communication module configured to transmit the information regarding the orientation of the electronic device and information regarding the target orientation of the electronic device to the cradle.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Hee Lee, Won Ho Shin, Kyung Shik Roh, Soon Yong Park, Joong Kyung Park, Suk June Yoon
  • Patent number: 10279481
    Abstract: An electronic device to be put on a cradle may include a housing including a part in a hemispherical shape and physically coming into contact with the cradle in an arbitrary position when the electronic device is put on the cradle, a display arranged on another part of the housing, a camera module to obtain an image in a direction that the display faces, a sensor module to sense an orientation of the electronic device; and a processor to determine a target orientation of the electronic device based on the obtained image, and create control data to change the orientation of the electronic device based on the sensed orientation and the target orientation of the electronic device.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Hee Lee, Won Ho Shin, No San Kwak, Kyung Shik Roh, Joong Kyung Park, Suk June Yoon
  • Patent number: 10229501
    Abstract: A mobile robot and method for controlling the same are provided creating patches in images captured by a camera while the mobile robot is moving, estimating motion blur of the patches, and correcting the position of the mobile robot based on the patch from which the motion blur is eliminated, thereby increasing precision in tracking and reliability through accurate mapping. The mobile robot includes a main body, a traveler to move the main body, a camera combined with the main body to capture an image of a surrounding of the main body, a position detector to create a patch in the image captured by the camera, estimate a motion blur of the patch, and track a position of the main body based on the created patch from which the motion blur is eliminated, and a controller to control the traveler based on the position of the main body.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo Young Kim, No San Kwak, Kyung Shik Roh, Soon Yong Park, Suk June Yoon, So Hee Lee, Min Yong Choi
  • Patent number: 10213082
    Abstract: A robot cleaner includes a housing a sensor assembly disposed in the housing, wherein the sensor assembly comprises a light source configured to emit light toward an area in front of the housing; a camera unit comprising a lens; a reflector configured to reflect light incident on a front of the housing toward a front region of the lens; and a guide member hollow inside configured to guide light incident on a top of the housing toward a rear region of the lens. The robot cleaner estimates a current position of the robot cleaner more accurately by correcting the current position of the robot cleaner estimated by using odometry information based on images acquired by the camera unit.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Sik Yoon, Kyong Su Kim, Shin Kim, Yong-Seok Kim, Kyung Shik Roh, Hyun Soo Jung
  • Patent number: 10019013
    Abstract: Embodiments of the present disclosure relate to a robot cleaner and a control method of the robot cleaner, more particularly, to a robot cleaner configured to correct position information of the robot cleaner by acquiring a position of a docking station during the robot clear drives and to correct a map by using corrected position information, and a control method of the robot cleaner.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: No San Kwak, Kyung Shik Roh, Soon Yong Park, Suk June Yoon, So Hee Lee, Min Yong Choi
  • Publication number: 20180186004
    Abstract: A robot for performing hand-eye calibration is provided. The robot includes a robot arm including a plurality of joints, a plurality of arm sections, and an end effector, a communication interface, and a control circuit. The control circuit controls the robot arm to place the external object on a worktable after the external object is grasped by the end effector, acquires coordinates of a central point of the external object in a coordinate system of the camera from an image of the external object, and calculates a calibration parameter for defining a relation between a coordinate system of the end effector and the coordinate system of the camera, based on coordinates of the end effector in a base coordinate system of the robot and coordinates of the central point of the external object in the coordinate system of the camera when the external object is placed on the worktable.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 5, 2018
    Inventors: Soon Yong PARK, Kyung Shik ROH, Sung Hwan AHN, Suk June YOON, So Hee LEE, Young Pil JEON
  • Publication number: 20180178372
    Abstract: A home robot device includes a memory, a movement module, and a processor. The processor is configured to execute a motion based on specified motion execution information stored in the memory, obtain feedback information of a user, generate modified motion execution information by modifying at least a portion of the specified motion execution information based on the feedback information of the user, where the modified motion execution information includes a movement value of at least one joint unit of the home robot device or at least one support linked to the at least one joint unit selected from a probability model of the specified motion execution information, and execute a motion of the home robot device based on the modified motion execution information.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 28, 2018
    Inventors: So Hee Lee, Dong Hyun Kwak, Eun Sol Kim, Ji Seob Kim, Kyoung Woon On, Byoung Tak Zhang, Kyung Shik Roh, Suk June Yoon
  • Publication number: 20180173243
    Abstract: Embodiments of the present disclosure relate to a movable object and a method for controlling the same. A method for controlling a movable object may include acquiring virtual data representing distances between each of a plurality of positions within an area and surfaces in the area, in a plurality of directions, respectively, based on a map of the area. An algorithm, such as a machine learning algorithm, may be executed that outputs positions corresponding to the virtual data. Actual distance data between the movable object and a plurality of surfaces in the vicinity of the movable object may be acquired. An actual position of the movable object may then be estimated corresponding to the actual distance data by executing the algorithm using the actual distance data. The movable object may be controlled based on the estimated actual position.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 21, 2018
    Inventors: Soon Yong PARK, No San KWAK, Kyung Shik ROH, Sung Hwan AHN, Suk June YOON, Min Yong CHOI
  • Publication number: 20180173244
    Abstract: Disclosed herein are a movable object and a movable object control method. The movable object control method may include acquiring an image of a movable object's surroundings, acquiring a signal having strength changing depending on a location of the movable object, generating a map on the basis of the signal and the image of the surroundings of the movable object, and applying the map to an algorithm to acquire a learned algorithm.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 21, 2018
    Inventors: Suk June YOON, No San KWAK, Kyung Shik ROH, Soon Yong PARK, Sung Hwan AHN
  • Patent number: 9997269
    Abstract: A radiographic apparatus may comprise: a radiation irradiating module configured to irradiate radiation to an object; and/or a processing module configured to automatically set a part of a region to which the radiation irradiating module is able to irradiate the radiation, to a region of interest, and further configured to determine at least one of a radiation irradiation position and a radiation irradiation zone of the radiation irradiating module based on the region of interest.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: June 12, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Shik Roh, Seung Yong Hyung, Ji Yeun Kim, Jong Won Lee, Ju Suk Lee, Won Jun Hwang, Hyo Seok Hwang