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: 20160016307
    Abstract: Provided are a connecting module and a motion assistance apparatus including the same, the connecting module including a case provided to incline downward from a space recessed between a waist and a hip of a user to a hip joint of the user, a power transmitting assembly disposed in an internal portion of the case, and a supporting module connecting portion disposed at an output terminal of the power transmitting assembly and to be fastened with a supporting module that supports a leg of the user.
    Type: Application
    Filed: November 10, 2014
    Publication date: January 21, 2016
    Inventors: Byungjune CHOI, Youn Baek LEE, Se-gon ROH, Minhyung LEE, Jeonghun KIM, Jongwon LEE, Hyun Do CHOI
  • Publication number: 20160015532
    Abstract: Provided are a fixing module and a motion assistance apparatus including the same, the fixing module including a base body, a plurality of side frames provided on both sides of the base body, and a height adjustment assembly provided on the base body, and on which a driving module is mounted to provide a power, wherein a distance between the plurality of side frames may be adjustable.
    Type: Application
    Filed: December 19, 2014
    Publication date: January 21, 2016
    Inventors: Minhyung LEE, Hyun Do CHOI, Jeonghun KIM, Byungjune CHOI, Se-gon ROH, Youn Baek LEE, Jongwon LEE
  • Publication number: 20150336265
    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: Application
    Filed: January 12, 2015
    Publication date: November 26, 2015
    Inventors: Hyun Do CHOI, Jeonghun KIM, Se-Gon ROH, Minhyung LEE, Youn Baek LEE, Jongwon LEE, Byungjune CHOI
  • Publication number: 20150335515
    Abstract: A walking assistance apparatus for preventing offset occurring in between a rotating axis of a hip joint of a user and a rotating shaft of the walking assistance apparatus may be provided. The walking assistance apparatus includes a waist fixing apparatus configured to be fixed to a waist of a user, a connecting guide mounted at the waist fixing apparatus and configured to slide in an extension direction of the waist fixing apparatus and rotate on a rotating shaft extending in a vertical direction perpendicular to the extension direction, a rail unit mounted at one side of the connecting guide, the rail unit extending in a vertical direction, and a hip joint configured to slide along the rail unit.
    Type: Application
    Filed: April 21, 2015
    Publication date: November 26, 2015
    Inventors: Minhyung LEE, Yongjae KIM, Jeonghun KIM, Youngdo KWON, Se-Gon ROH, Youn Baek LEE, Jongwon LEE, Byungjune CHOI, Hyun Do CHOI
  • Publication number: 20150335514
    Abstract: A driving module may include: an object fix member configured to be fixed to an object; a first sub-module including a body portion, connected to a first side of the object fix member, and a first rotating member, connected rotatably to the body portion; a second sub-module including an extension link, connected to a second side of the object fix member, and a second rotating member, connected rotatably to the extension link; and/or a power transmitting member connected to the first rotating member and the second rotating member, and configured to transmit power.
    Type: Application
    Filed: November 3, 2014
    Publication date: November 26, 2015
    Inventors: Hyun Do CHOI, Taesin HA, Jeonghun KIM, Se-gon ROH, Minhyung LEE, Youn Baek LEE, Jongwon LEE, Byungjune CHOI
  • Patent number: 9186797
    Abstract: A multi-axis force sensing apparatus that is installed at an operational end of a surgery robot and is capable of measuring force acting upon the operational end and a robot arm including the force sensing apparatus includes a body that is elastically deformable and has a pipe form extending along an axial direction of the body, an optical fiber strain gauge attached to a surface of the body to measure a tension and compression of the body in at least three directions. The optical fiber strain gauge may include at least three fiber Bragg gratings (FBGs) that are attached to the surface of the body and extended in an axial direction of the body, a light source providing light to each of the FBGs, and a light detector detecting light reflected by the FBGs or light that has passed through the FBGs.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: November 17, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-hyung Kim, Hyun-do Choi, Yeon-ho Kim, Chang-bae Park
  • Publication number: 20150272764
    Abstract: A frame configured of a plurality of links pivotally connected to one another is flexibly bent, and pins that connect the plurality of links that constitute the frame are inserted into and slide in a curve-shaped slot and a slot in a vertical direction so that, even though the frame is bent, the entire length of the frame is increased and ends of the frame can be moved along a straight line that is horizontal with respect to the ground.
    Type: Application
    Filed: January 19, 2015
    Publication date: October 1, 2015
    Inventors: Yongjae KIM, Youn Baek LEE, Jongwon LEE, Byungjune CHOI, Jeonghun KIM, Se-Gon ROH, Minhyung LEE, Hyun Do CHOI, Sunggu KWON, Youngdo KWON
  • Publication number: 20150272811
    Abstract: In a joint assembly of a walking assistance robot that is capable of performing an operation with 3 degrees of freedom, similarly to a user's joint, a rolling motion and a sliding motion are simultaneously made, and a rotation center changes so that the joint assembly can make a similar motion to that of an actual knee joint of the user. Thus, when the user wears the walking assistance robot and walks, misalignment can be prevented from occurring in the knee joint.
    Type: Application
    Filed: February 27, 2015
    Publication date: October 1, 2015
    Inventors: Byungjune CHOI, Yongjae KIM, Youn Baek LEE, Jeonghun KIM, Se-Gon ROH, Minhyung LEE, Jongwon LEE, Hyun Do CHOI, Youngdo KWON, ByungKwon CHOI
  • Publication number: 20150209215
    Abstract: A holder may be more easily mounted on a user's body by applying tension to a cable. An inner side surface of the holder with which the user's body comes in contact transmits uniform pressure to the user's body such that the holder may be more comfortable to the user.
    Type: Application
    Filed: January 16, 2015
    Publication date: July 30, 2015
    Inventors: Youn Baek LEE, Yong Jae KIM, Jeong Hun KIM, Se Gon ROH, Min Hyung LEE, Jong Won LEE, Byung June CHOI, Hyun Do CHOI, Young Do KWON, Tae Jun SANG
  • Publication number: 20150196450
    Abstract: According to an aspect of the present invention, it is possible to implement a joint assembly operating similar to a user's actual ankle joint. An ankle joint included in a walking assistant robot is pivotable around a rotation axis located outside the ankle joint.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 16, 2015
    Inventors: Jong Won LEE, Yong Jae KIM, Young Do KWON, Jeong Hun KIM, Youn Baek LEE, Se Gon ROH, Min Hyung LEE, Byung June CHOI, Hyun Do CHOI
  • Publication number: 20150090756
    Abstract: Disclosed is a baby carrier having a seat disposed at an upper portion of a walking assistance robot such that the weight of a baby is supported by the floor while being distributed through the walking assistance robot, thereby significantly reducing a fatigue of a user generated when a baby is held in arms or carried on a back of the user.
    Type: Application
    Filed: September 25, 2014
    Publication date: April 2, 2015
    Inventors: Jong Won LEE, Yong Jae KIM, Jeong Hun KIM, Se Gon ROH, Min Hyung LEE, Youn Baek LEE, Byung June CHOI, Hyun Do CHOI
  • Publication number: 20150019103
    Abstract: A mobile robot configured to move on a ground. The mobile robot including a contact angle estimation unit estimating contact angles between wheels of the mobile robot and the ground and uncertainties associated with the contact angles, a traction force estimation unit estimating traction forces applied to the wheels and traction force uncertainties, a normal force estimation unit estimating normal forces applied to the wheels and normal force uncertainties, a friction coefficient estimation unit estimating friction coefficients between the wheels and the ground, a friction coefficient uncertainty estimation unit estimating friction coefficient uncertainties, and a controller determining the maximum friction coefficient from among the friction coefficients such that the maximum friction coefficient has an uncertainty less than a threshold and at a point of time when the torque applied to each of the wheels changes from an increasing state to a decreasing state, among the estimated friction coefficients.
    Type: Application
    Filed: February 24, 2014
    Publication date: January 15, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Do CHOI, Suk June YOON
  • Publication number: 20140257329
    Abstract: A control method of a single-port surgical robot, the single-port surgical robot comprising a slave device including a surgical instrument provided with an elbow and an end effector, and a master device to control motion of the slave device may comprise setting a virtual incision port to an arbitrary position; setting an operating position of the end effector; calculating a target position of the elbow using the set position of the virtual incision port and the set operating position of the end effector; calculating a movement angle of each joint used to move the elbow using the calculated target position of the elbow; and/or calculating a movement angle of each joint used to move the end effector using the calculated target position of the elbow and the set operating position of the end effector.
    Type: Application
    Filed: August 30, 2013
    Publication date: September 11, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Won JANG, Hyun Do CHOI, Hyung Joo KIM, Yo An LIM
  • Patent number: 8818016
    Abstract: A localization apparatus and method for localizing by use of image information and range data are provided. The localization apparatus includes an image sensor which captures an image and outputs image data, a range sensor which senses a distance and outputs a range sensing signal, an image feature point information processing unit which extracts image feature points from the sensed image and generates image feature point information about the extracted image feature points, a range feature point information processing unit which generates range feature point information about range feature points from the range sensing signal, and a state estimation unit which estimates a state variable including a position of the localization apparatus by using the image feature point information and the range feature point information as an observation value.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Do Choi, Jun-Ho Park
  • Patent number: 8787614
    Abstract: A system building a map while an image sensor is moving, the system including the image sensor configured to capture images while the image sensor moves relative to one or more different locations, a sub-map building unit configured to recognize a relative location for at least the image sensor of the system using the captured images, build up a sub-map, and if a condition for stopping a building of the sub-map is met, store the sub-map which has been so far built up, an operation determining unit configured to determine whether the condition for stopping building the sub-map, an image group storing unit configured to store an image group including images that are newly captured from the image sensor after the storing of the sub-map when the condition for the stopping of the building of the sub-map is satisfied, and an overall map building unit configured to build an overall map based on the built sub-map and the stored image group when a current relative location for at least the image sensor of the system i
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: July 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Do Choi, Woo-Yeon Jeong
  • Patent number: 8725416
    Abstract: A position recognizing apparatus and method is provided. The position recognizing apparatus includes a range sensor which senses a distance between the position recognizing apparatus and a range landmark, and a candidate range landmark information generating unit which generates information about candidate range landmarks. The candidate range landmark information is modeled using a position and a posture of the position recognizing apparatus, the sensed distance and an angle between the range landmark and the position recognizing apparatus. The position recognizing apparatus further includes a range landmark extracting unit which, if a new distance is sensed, updates the candidate range landmark information and extracts actual range landmark information from the candidate range landmark information, and a position recognizing unit which recognizes a position of the position recognizing apparatus based on the extracted actual range landmark information.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: May 13, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Do Choi, Jun-Ho Park
  • Publication number: 20140128882
    Abstract: A surgical instrument includes an extension portion having a surgical tool at an end thereof, and a head portion connected to the extension portion and actuating the surgical tool. In the surgical instrument, the extension portion includes a first extension portion connected to the head portion, a second extension portion having an elbow joint portion that is bending-actuated by a rigid rod that is reciprocated in a lengthwise direction by the head portion, and a connection portion connecting the first and second extension portions at an angle.
    Type: Application
    Filed: May 23, 2013
    Publication date: May 8, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ho-seong KWAK, Hyung-joo KIM, Jong-hwa WON, Hyun-do CHOI
  • Publication number: 20130317520
    Abstract: A surgical implement and a manipulation system including the surgical implement may include at least one instrument including at least one joint portion. The joint portion may include a first part, a second part connected to the first part, and a force applying element for applying a force for bending (or rotating) the second part. A distance between a joint point and a force application point where a force is applied may be greater than a diameter of at least one of the first part and the second part. The instrument may further include a second joint portion spaced apart from the joint portion, and a surgical tool connected to an end portion of the second joint portion. The manipulation system may include a supporting structure, at least one instrument supported by the supporting structure, and an operating device for operating the instrument.
    Type: Application
    Filed: February 12, 2013
    Publication date: November 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-do CHOI, Hyung-joo KIM, Ho-seong KWAK, Jong-hwa WON, Joon-kee CHO
  • Publication number: 20130317521
    Abstract: A supporter device supports an instrument which is inserted in an object. The supporter device includes a base member having an insertion region through which the instrument passes, a movable member installed on the base member so as to move around the insertion region, and a pivot member installed to be pivotable based on a pivot axis that passes through the insertion region, wherein the instrument may be mounted on the pivot member. A movable central axis of the movable member and an extension axis of the instrument may cross at a single crossed point.
    Type: Application
    Filed: February 12, 2013
    Publication date: November 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-do Choi, Hyung-joo Kim, Ho-seong Kwak, Jong-hwa Won, Joon-kee Cho
  • Publication number: 20130261640
    Abstract: A robot system including a surgical robot inserted into a subject may include: a photographing device that is disposed on an end portion of the surgical robot, is inserted into a body part of the subject, which is to be treated, and captures a real-time image with a resolution at which the body part to be treated may be observed in units of cells; a control device that receives a control signal for controlling the surgical robot by referring to the real-time image received from the photographing device; and an energy generating device that is disposed adjacent to the photographing device, and transmits energy to a region corresponding to the body part to be treated which is being photographed by the photographing device according to the control signal.
    Type: Application
    Filed: March 27, 2013
    Publication date: October 3, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-joo KIM, Yeon-ho KIM, Hyun-do CHOI