公开(公告)号：US20200019246A1

公开(公告)日：2020-01-16

申请号：US16502253

申请日：2019-07-03

申请人： KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE

发明人： Youngsu CHA ,  Kahye SONG ,  Jung Min PARK ,  Bum-Jae YOU

IPC分类号： G06F3/01 ,  G08B6/00

摘要： Provided is a tactile feedback device including a tactile transmission element having an enclosed space inside, the tactile transmission element including a compression part which is compressed toward the enclosed space by an electrostatic force generated by the application of voltage, and a tactile part which transmits tactile sensation to a user by expansion with movement of air by the compression.

公开(公告)号：US20220088774A1

公开(公告)日：2022-03-24

申请号：US17474384

申请日：2021-09-14

申请人： KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

发明人： Sohyun KIM ,  Youngsu CHA

IPC分类号： B25J9/14 ,  B25J15/00 ,  F15B21/06 ,  F15B15/10

摘要： The present disclosure provides an actuator including a pouch which is sealed and formed with an asymmetric structure, a dielectric fluid which is filled in the pouch, and an electrode which is attached to one surface of the pouch and the other surface opposite the one surface, wherein the pouch includes a first part provided on one side and having a predetermined area, and a second part provided on the other side opposite the one side and having a smaller area than the first part, and when power is applied to the electrodes, the first part or the second part of the pouch is expandable by movement of the dielectric fluid due to the asymmetric structure, and an active plate having the same.

公开(公告)号：US20210025767A1

公开(公告)日：2021-01-28

申请号：US16703114

申请日：2019-12-04

申请人： KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

发明人： Youngsu CHA ,  Ye Rim LEE

IPC分类号： G01L1/16 ,  G01L5/00 ,  H01L41/047 ,  H01L41/113 ,  H01L41/193 ,  H01L41/29 ,  H01L41/45

摘要： Provided are a method of manufacturing a shear and normal force sensor including fabricating raised and sunken polymers having a plurality of bent parts of bent shapes, forming an electrode pattern on one surface of a piezoelectric element, and embedding the piezoelectric element between the raised and sunken polymers, and a shear and normal force sensor including raised and sunken polymers having a plurality of bent parts of bent shapes, a piezoelectric element embedded between the raised and sunken polymers and having an electrode pattern on one surface, and a flexible printed circuit board (FPCB) embedded between the sunken polymer and the piezoelectric element and electrically connected to the electrode pattern.

公开(公告)号：US20180351476A1

公开(公告)日：2018-12-06

申请号：US15848435

申请日：2017-12-20

申请人： KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE

发明人： Youngsu CHA ,  Junseok Lee ,  Jung Min Park ,  Bum-Jae You

IPC分类号： H02N1/00 ,  H05K1/02

摘要： Disclosed is a flexible printed circuit board (FPCB) actuator including an FPCB core having a first surface and a second surface, wherein the first surface and the second surface are parallel to each other, a first electrode installed on the first surface and having first parts, wherein the first parts are spaced apart from each other in a first direction at least in part, and a second electrode installed covering at least a portion of the second surface, wherein as control voltage is applied to the first and second electrodes, an electrostatic force generated between the first electrode and the second electrode in a second direction perpendicular to the first direction allows the FPCB core to make a bending motion.

公开(公告)号：US20210364478A1

公开(公告)日：2021-11-25

申请号：US17096092

申请日：2020-11-12

申请人： KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

发明人： Youngsu CHA ,  Jae Hoon CHUNG ,  Yonghwan OH

IPC分类号： G01N29/24 ,  G06K9/00 ,  G01N29/11

摘要： The present disclosure provides an object recognition apparatus, which includes: an actuator unit configured to contact an object and generate vibrations and transmit them through objects based on the inherent characteristic of the object; and a sensor unit connected to the actuator unit to receive the vibration and generate a voltage signal.

公开(公告)号：US20200076328A1

公开(公告)日：2020-03-05

申请号：US16170461

申请日：2018-10-25

申请人： Korea Institute of Science And Technology

发明人： Youngsu CHA ,  Kahye Song

IPC分类号： H02N1/00 ,  C08K3/22

摘要： Disclosed is a composite actuator device, which comprises a composite actuator including a silicone and an iron oxide disposed to be mixed inside the silicone, the composite actuator being configured to be driven by applying a power thereto, wherein the composite actuator includes the iron oxide in an amount of 1 to 20 wt %.

公开(公告)号：US20190121219A1

公开(公告)日：2019-04-25

申请号：US15985931

申请日：2018-05-22

申请人： KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

发明人： Donghyun HWANG ,  Doik KIM ,  Junsik KIM ,  Youngsu CHA

IPC分类号： G03B17/02 ,  G01D11/24

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.