-
公开(公告)号：US20210244490A1
公开(公告)日：2021-08-12
申请号：US17029286
申请日：2020-09-23
发明人： Donghyun HWANG , Sungwoo Park , Namseon Jang , Yong Seok Ihn , Sungwook Yang , Jinwoo Jeong , Sehyuk Yim , Sang Rok Oh
摘要： Provided is a tele-operated forceps-driver variable stiffness master device including a master member to generate an input displacement signal generated by pressing with a user's finger, and a slave member to operate based on the input displacement signal, measure operation information, calculate a gripping force based on the operation information, and provide the master member with at least one of a stiffness change command signal or a force feedback based on the calculated gripping force.
-
公开(公告)号：US20180136729A1
公开(公告)日：2018-05-17
申请号：US15567421
申请日：2015-08-10
发明人： Keehoon KIM , Donghyun HWANG
IPC分类号： G06F3/01 , G06F3/0346
CPC分类号： G06F3/016 , G06F3/011 , G06F3/0346 , G06F2203/0331 , G06F2203/0384
摘要： A tactile transmission device for transmitting a tactile sensation to a user's finger comprises: a ring-type body which is put on a finger; a moving member which is formed such that the moving member can move with respect to the body; and a plurality of wire-type actuators which are formed so as to come in contact with the moving member, wherein each of the wire-type actuators is a solid-state actuator which changes in length when energy is applied thereto, a force applied to the moving member as the plurality of wire-type actuators change in length causes the moving member to move with respect to the body, and a contact part formed in the moving member comes into contact with a user's finger according to a movement of the moving member, so as to transmit a tactile sensation to the user.
-
公开(公告)号：US20240335956A1
公开(公告)日：2024-10-10
申请号：US18423759
申请日：2024-01-26
发明人： Donghyun HWANG , Changseob SONG
CPC分类号： B25J15/0608 , B25J13/085 , B25J13/087
摘要： The present disclosure relates to a magnetic field-based jamming mechanism with variable stiffness and shape adaptation functionalities that can adapt to various characteristics (shape, softness, etc.) of the external environment, and can easily grip objects having various shapes since it grips objects using changes in the stiffness of soft magnetic particles.
-
公开(公告)号：US20230102450A1
公开(公告)日：2023-03-30
申请号：US17749888
申请日：2022-05-20
发明人： Donghyun HWANG , Min Woo LEE
摘要： The present disclosure relates to a sensor module for measuring a displacement occurring in a sensor by a confocal principle, a strain sensor device comprising the same, and a method for measuring a strain in a target using the same. Specifically, the sensor module according to an embodiment of the present disclosure includes a first single-mode optical fiber, a first GRIN optical fiber, a multi-mode optical fiber, a second GRIN optical fiber and a second single-mode optical fiber connected in an axial direction, wherein light inputted through the first single-mode optical fiber is transmitted to the second single-mode optical fiber through the series of optical fibers, and light forming a focal point in the core of the second single-mode optical fiber is detected using a confocal principle.
-
公开(公告)号：US20220168908A1
公开(公告)日：2022-06-02
申请号：US17389086
申请日：2021-07-29
发明人： Sungwook YANG , Jeongwon LEE , Jaehee KIM , Donghyun HWANG , Yong Seok IHN
IPC分类号： B25J15/10
摘要： The present disclosure provides a robot palm, which includes: a housing having a particle-containing space configured to accommodate particles so that a pressure thereof is changeable; particles filled in the particle-containing space; and an upper membrane installed at an upper portion of the housing and configured to grip an object by changing its shape and rigidity according to a pressure change of the particle-containing space.
-
公开(公告)号：US20240316800A1
公开(公告)日：2024-09-26
申请号：US18468949
申请日：2023-09-18
发明人： Yongseok IHN , Junwon LEE , Sungwook YANG , Donghyun HWANG
CPC分类号： B25J19/021 , A61B34/30 , A61B2034/2061
摘要： A forceps unit and a forceps apparatus are provided. The forceps unit according to an aspect of the present disclosure may comprise a base portion connected to a motor; a grasping portion disposed in front of the base portion and grasping a surgical instrument; a connecting portion connecting the base portion and the grasping portion; and a plurality of optical fibers, wherein some of the plurality of optical fibers are fixed to the grasping portion and others of the plurality of optical fibers are fixed to the base portion, wherein the plurality of optical fibers may include a first optical fiber disposed in a central region of the grasping portion and second to fifth optical fibers radially disposed with respect to the first optical fiber, and the first optical fiber may protrude further forward than the second to fifth optical fibers.
-
公开(公告)号：US20210068858A1
公开(公告)日：2021-03-11
申请号：US17006446
申请日：2020-08-28
发明人： Donghyun HWANG , Sungwoo PARK , Namseon JANG , Yong Seok IHN , Jinwoo JEONG , Keehoon KIM , Sang Rok OH , Sungwook YANG , Sehyuk YIM
IPC分类号： A61B17/30
摘要： Provided is a forceps driving apparatus including a body, a gripper installed to be received in the body and formed to be open and closed, an opening and closing member rotatably installed in the body to press or release two sides of the gripper by rotation, an elastic member connected to one side of the opening and closing member to provide an elastic force to the opening and closing member, an actuator connected to the other side of the opening and closing member to rotate the opening and closing member by contraction or extension, and a force sensing module to measure a gripping force of the gripper during the rotation of the opening and closing member.
-
公开(公告)号：US20190121219A1
公开(公告)日：2019-04-25
申请号：US15985931
申请日：2018-05-22
发明人： Donghyun HWANG , Doik KIM , Junsik KIM , Youngsu CHA
摘要： Disclosed is a shielding device, which includes: a casing having an open portion; a deformable unit installed at the casing and configured to be deformed in one direction at a predetermined temperature; a power transmission unit connected to the deformable unit to transmit a power generated by the deformation of the deformable unit; and a shielding unit installed at the casing and connected to the power transmission unit to receive the power from the power transmission unit, the shielding unit being configured to open or close the open portion, wherein the deformable unit is deformed at a first temperature to be expanded or compressed, and the shielding unit closes the open portion by means of the deformation of the deformable unit.
-
公开(公告)号：US20180125427A1
公开(公告)日：2018-05-10
申请号：US15721217
申请日：2017-09-29
发明人： Sang Rok OH , Keehoon KIM , Sehyuk YIM , Yong Seok IHN , Donghyun HWANG
CPC分类号： A61B5/6877 , A61B5/04001 , A61B2562/0209 , A61N1/0556 , A61N1/0558
摘要： A neural probe structure, which is fixed to a nerve to acquire an electrical signal from the nerve or apply electrical stimulation to the nerve, includes a body which is bent to enclose at least a part of circumference of the nerve, and a probe which extends longitudinally from the body and passes through the nerve, wherein the probe has electrodes. A neural probe assembly includes the neural probe structure, wherein the probe passes through the nerve and the body encloses at least a part of circumference of the nerve, so that the neural probe structure is fixed to the nerve.
-
公开(公告)号：US20210399655A1
公开(公告)日：2021-12-23
申请号：US16953271
申请日：2020-11-19
发明人： Donghyun HWANG , Byeongkyu LIM
摘要： The present disclosure provides a rotary motor, which includes: a clamping member having a gripping unit installed at an inner circumference of a rotor to grip the rotor during a predetermined time; and a driving member installed at the inner circumference of the rotor and having a rotation unit configured to make an elastic deformation to rotate by a predetermined angle and then return to an original state so that the rotor is rotated.
-
-
-
-
-
-
-
-
-
搜索结果
15 条记录 (耗时 0.042 秒)
