Patents by Inventor Hyun-Do CHOI

Hyun-Do CHOI 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: 20200347919
    Abstract: Provided is a power transmitting device including an input side gear assembly that includes a single power input terminal and two power output terminals, an output side gear assembly that includes two power input terminals and a single power output terminal, the two power input terminals configured to operate using power received from the two power output terminals of the input side gear assembly, respectively, and a stopper module configured to block power to be transmitted through one of two power transmitting paths connecting the two power output terminals of the input side gear assembly and the two power input terminals of the output side gear assembly.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jongwon LEE, Youn Baek LEE, Se-Gon ROH, Jeonghun KIM, Minhyung LEE, Byungjune CHOI, Jungyun CHOI, Hyun Do CHOI
  • Publication number: 20200306058
    Abstract: A sliding assembly may include a supporting frame having a proximal end and a distal end, a sliding frame partially inserted to the supporting frame, and a supporting member disposed between the supporting frame and the sliding frame to prevent the supporting frame from directly contacting the sliding frame, wherein the sliding frame is configured to move relative to the supporting frame.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byungjune Choi, Se-Gon Roh, Youn Baek Lee, Jeonghun Kim, Jongwon Lee, Hyun Do Choi
  • Publication number: 20200268587
    Abstract: A supporting module including a supporting frame including a proximal end and a distal end, a connecting plate connected with the distal end of the supporting frame, a sliding plate in contact with one face of the connecting plate, a supporting band connected to both ends of the connecting plate, and an elastic strip configured to connect the sliding plate and the connecting plate is disclosed.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 27, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byungjune CHOI, Se-Gon ROH, Minhyung LEE, Youn Baek LEE, Hyun Do CHOI, Jeonghun KIM, Jongwon LEE
  • Patent number: 10746272
    Abstract: Provided is a power transmitting device including an input side gear assembly that includes a single power input terminal and two power output terminals, an output side gear assembly that includes two power input terminals and a single power output terminal, the two power input terminals configured to operate using power received from the two power output terminals of the input side gear assembly, respectively, and a stopper module configured to block power to be transmitted through one of two power transmitting paths connecting the two power output terminals of the input side gear assembly and the two power input terminals of the output side gear assembly.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jongwon Lee, Youn Baek Lee, Se-Gon Roh, Jeonghun Kim, Minhyung Lee, Byungjune Choi, Jungyun Choi, Hyun Do Choi
  • Patent number: 10695255
    Abstract: A supporting module including a supporting frame including a proximal end and a distal end, a connecting plate connected with the distal end of the supporting frame, a sliding plate in contact with one face of the connecting plate, a supporting band connected to both ends of the connecting plate, and an elastic strip configured to connect the sliding plate and the connecting plate is disclosed.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungjune Choi, Se-Gon Roh, Minhyung Lee, Youn Baek Lee, Hyun Do Choi, Jeonghun Kim, Jongwon Lee
  • Publication number: 20200197253
    Abstract: Provided is a walking assistance method and apparatus for providing an assistance torque to an ankle of a user. To provide an assistance torque to an ankle of a user, a first pressure value and a second pressure value are received from a first pressure sensor and a second pressure sensor, a ratio between the first pressure value and the second pressure value is calculated, a gain value is determined based on the ratio, an assistance torque value is calculated based on the ratio and the gain value, and a driver is controlled to output the assistance torque value.
    Type: Application
    Filed: October 17, 2019
    Publication date: June 25, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youngjin PARK, Seungyong HYUNG, Hyun Do CHOI, Jusuk LEE
  • Patent number: 10688009
    Abstract: A motion assistance apparatus includes a proximal support configured to support a proximal part of a user, a distal support configured to support a distal part of the user, and a rotary frame connected to the distal support, and configured to simultaneously perform a translational motion and a rotational motion relative to the proximal support.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Do Choi, Youn Baek Lee, Jeonghun Kim, Se-Gon Roh, Minhyung Lee, Jongwon Lee, Byungjune Choi, Jung-Yun Choi
  • Publication number: 20200191208
    Abstract: A link assembly includes a main frame, a base link rotatably connected to the main frame, an input link rotatably connected to the main frame, and an output link at least 2-degree of freedom (DOF) rotatably connected to the main frame.
    Type: Application
    Filed: November 5, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeonghun Kim, Minhyung Lee, Hyun Do Choi
  • Publication number: 20200188214
    Abstract: A walking assistance device and method for providing an assist torque to an ankle of a user is provided. To provide an assist torque to an ankle of a user, the walking assistance device generates a leg image by capturing a second leg using a camera attached to a first leg, determines a gait state of the second leg based on the leg image, determines an assist torque value output to the first leg based on the gait state of the second leg, and controls a driving device such that the assist torque value is output to the first leg.
    Type: Application
    Filed: October 21, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jusuk LEE, Hyun Do Choi, Seungyong Hyung, Youngjin Park, Bokman Lim, Jun-Won Jang
  • Publication number: 20200113771
    Abstract: A walking assistance apparatus includes a frame configured to be mounted on a lower leg of a user, a sole support connected to the frame and configured to support a lower side of a foot of the user, an actuator mounted on the frame, and a pusher configured to receive a power from the actuator and push the ground.
    Type: Application
    Filed: May 31, 2019
    Publication date: April 16, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youngjin Park, Hyun Do CHOI
  • Patent number: 10610441
    Abstract: A joint assembly may include a first rolling cam that includes a first cam portion, and a first extension extending from the first cam portion, and a second rolling cam that includes a second cam portion to be in contact with the first cam portion, and a second extension extending from the second cam portion.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: April 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungjune Choi, Younbaek Lee, Jongwon Lee, Jeonghun Kim, Se-Gon Roh, Minhyung Lee, Jungyun Choi, Hyun Do Choi
  • Patent number: 10596060
    Abstract: A frame assembly including a first longitudinal member, a second longitudinal member spaced apart from the first longitudinal member, a third longitudinal member configured to diagonally connect the first longitudinal member and the second longitudinal member, a plurality of first distance maintaining members configured to connect the first longitudinal member and the second longitudinal member, and a plurality of second distance maintaining members configured to connect the second longitudinal member and the third longitudinal member is disclosed.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 24, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea University of Technology and Education Industry-University Cooperation Foundation
    Inventors: Youn Baek Lee, Jeonghun Kim, Se-Gon Roh, Jongwon Lee, Hyun Do Choi, Yong Jae Kim
  • Patent number: 10517788
    Abstract: A power transmission device may include a first power transmission unit configured to connect to an input portion and to receive a power from the input portion, a second power transmission unit configured to deliver the power to an output portion, and a connecting unit configured to connect the first power transmission unit and the second power transmission unit, and to deliver a pressure of a transfer fluid occurring due to the first power transmission unit to the second power transmission unit.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 31, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jongwon Lee, Youngjin Park, Byungjune Choi, Jeonghun Kim, Se-Gon Roh, Minhyung Lee, Youn Baek Lee, Hyun Do Choi
  • Patent number: 10512582
    Abstract: A supporting module and a motion assistance apparatus including the same, the supporting module including a supporting frame including a sliding guide, a sliding joint configured to slide along the sliding guide, and an elastic module provided in the supporting frame, and configured to provide an elastic force to the sliding joint, are provided.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: December 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungjune Choi, Youn Baek Lee, Jeonghun Kim, Se-Gon Roh, Minhyung Lee, Jongwon Lee, Hyun Do Choi
  • Patent number: 10500069
    Abstract: A driving module may include a driving source configured to generate power, a gear train that includes a decelerating gear set configured to receive driving power from the driving source and a ring gear attached to one side of the gear train, and a rotary joint that includes at least one planetary gear configured to rotate in response to power received from an output end of the decelerating gear set and to revolve along the ring gear. The driving module may include one or more noise reducing members configured to mitigate noise produced based on interaction between one or more elements of the driving module. The driving module may be included in a motion assistance apparatus, where the driving module drives a module that supports a portion of a user body.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Gon Roh, Youn Baek Lee, Byungjune Choi, Jeonghun Kim, ChangHyun Roh, Youngjin Park, Minhyung Lee, Jongwon Lee, Hyun Do Choi
  • Patent number: 10449666
    Abstract: A supporting module may include: a supporting frame configured to support an action part of an object; a pressure member connected to the supporting frame and configured to push the action part to rotate when the supporting frame rotates in a first direction; a supporting member configured to pull the action part to rotate when the supporting frame rotates in a second direction; and/or a dispersion member, between the pressure member and the supporting member, configured to disperse force transmitted from the pressure member in a direction perpendicular to a direction of the transmitted force and configured to transmit the dispersed force to the supporting member.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Do Choi, Jeong Hun Kim, Se-Gon Roh, Min Hyung Lee, Youn Baek Lee, Jong Won Lee, Byung June Choi
  • Patent number: 10441441
    Abstract: Driving modules, motion assistance apparatuses including at least one of the driving modules, and methods of controlling at least one of the motion assistance apparatus may be provided. For example, a driving module including a driving source on one side of a user and configured to transmit power, an input side rotary body connected to the driving source and configured to rotate, and a first decelerator and a second decelerator configured to operate using the power received from the driving source through the input side rotary body, wherein a gear ratio from the input side rotary body to an output terminal of the first decelerator differs from a gear ratio from the input side rotary body to an output terminal of the second decelerator, may be provided.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeonghun Kim, Minhyung Lee, Hyun Do Choi, Se-gon Roh, Youn Baek Lee, Jongwon Lee, Byungjune Choi
  • Publication number: 20190262213
    Abstract: A driving module including a driving source configured to generate power, a gear train including a decelerating gear set configured to receive driving power from the driving source and a ring gear attached to one side thereof, and a rotary joint including at least one planetary gear configured to rotate using power received from an output end of the decelerating gear set and to revolve along the ring gear is disclosed.
    Type: Application
    Filed: May 13, 2019
    Publication date: August 29, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Se-Gon ROH, Jeonghun Kim, Minhyung Lee, Youn Baek Lee, Jongwon Lee, Byungjune Choi, Hyun Do Choi
  • Publication number: 20190224064
    Abstract: Driving modules, motion assistance apparatuses including at least one of the driving modules, and methods of controlling at least one of the motion assistance apparatuses may be provided. For example, a driving module including a driving source on one side of a user and configured to transmit power, an input side rotary body coupled to the driving source and configured to rotate, first and second decelerators configured to operate using the power respectively received from the driving source through the input side rotary body, and a first stopper and a second stopper configured to selectively enable or disable a transmission of the power between the input side rotary body and respective output terminals of the first and second decelerators may be provided.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jongwon LEE, Se-Gon ROH, Youn Baek LEE, Jeonghun KIM, Minhyung LEE, Byungjune CHOI, Hyun Do CHOI
  • Publication number: 20190209413
    Abstract: Provided is a method and device for assisting walking of a user that may receive a pressure value applied to a sole of a user from a pressure sensor, acquire acceleration information associated with a movement of the user from an acceleration sensor, determine a gait phase based on the pressure value and the acceleration information, determine an assist torque corresponding to the determined gait phase, and control a driver to output the assist torque.
    Type: Application
    Filed: October 26, 2018
    Publication date: July 11, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jusuk Lee, Youngjin Park, Keehong Seo, Bokman Lim, Jun-Won Jang, Hyun Do Choi, Seungyong Hyung