Patents by Inventor Sang Eun Bae
Sang Eun Bae 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).
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Patent number: 11855405Abstract: The present disclosure relates to a device and a method for adjusting a pulse width of a laser beam by using the plasma generated by being induced from laser as a shutter, and more particularly, to a device and a method for adjusting a laser pulse width, which can precisely and quickly adjust the laser pulse width by dividing the laser generated from a laser light source into a target pulse and a shutter pulse; converting the optical path of the divided laser; and chopping the target pulse by using the plasma induced from the shutter pulse as an optical shutter in a cell having adjustable internal pressure.Type: GrantFiled: October 25, 2019Date of Patent: December 26, 2023Assignee: Seoul National University R&DBFoundationInventors: Hyung Rok Do, Sang Eun Bae, Sung Kyun Oh
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Publication number: 20230332680Abstract: A shift-by-wire system physically prevents shifting to the R/N/D gear position and shifting to the P gear position from being simultaneously performed. The shift-by-wire system includes a body configured to have a Hall sensor provided therein, a knob installed so as to be rotatable around an axis of the body, a button assembly moving in an axial direction of the body and having a magnet provided to sense rotated and moved states thereof using the Hall sensor and rotate together with the knob, and a concurrent operation limiting unit to mechanically limit movement of the button assembly in a state in which the knob is manipulated so as to be rotated, and to mechanically limit rotation of the knob in a state in which the button assembly is manipulated so as to be moved.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL CorporationInventors: Hee En Zoo, Ki Young Song, Woo Duck Kim, Sung Tae Kim, Sang Eun BAE
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Patent number: 11746890Abstract: A shift-by-wire system physically prevents shifting to the R/N/D gear position and shifting to the P gear position from being simultaneously performed. The shift-by-wire system includes a body configured to have a Hall sensor provided therein, a knob installed so as to be rotatable around an axis of the body, a button assembly moving in an axial direction of the body and having a magnet provided to sense rotated and moved states thereof using the Hall sensor and rotate together with the knob, and a concurrent operation limiting unit to mechanically limit movement of the button assembly in a state in which the knob is manipulated so as to be rotated, and to mechanically limit rotation of the knob in a state in which the button assembly is manipulated so as to be moved.Type: GrantFiled: July 28, 2021Date of Patent: September 5, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL CorporationInventors: Hee En Zoo, Ki Young Song, Woo Duck Kim, Sung Tae Kim, Sang Eun Bae
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Patent number: 11735329Abstract: The present invention relates to a radioactive chemical waste treatment apparatus including an adsorption unit including an radioactive chemical waste adsorption member for adsorbing and separating radioactive chemical wastes from radioactive chemical waste-containing fluid, and a regeneration unit which is in fluidic communication with the adsorption unit and is for regenerating the radioactive chemical waste adsorption member by desorbing the radioactive chemical wastes from the adsorption member with the radioactive chemical wastes adsorbed thereonto, and to a radioactive chemical waste treatment method including (A) adsorbing radioactive chemical wastes onto a radioactive chemical waste adsorption member and separating the radioactive chemical wastes from a radioactive chemical waste-containing fluid, and (B) desorbing the radioactive chemical wastes from the radioactive chemical waste adsorption member with the radioactive chemical wastes adsorbed thereonto, and regenerating the radioactive chemical wastType: GrantFiled: October 14, 2020Date of Patent: August 22, 2023Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Sang Eun Bae, Hwa Kyeung Jeong, Dong Woo Lee, Tae Hong Park, Jei Won Yeon, Kun Ho Chung, Sang Ho Lim, Jai Il Park, Wan Sik Cha, Byung Man Kang
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Patent number: 11598887Abstract: The present invention relates to a method for measuring radioactivity of radioactive waste, the method comprising an adsorption step (A) of selectively adsorbing a radioactive substance comprising at least one from among radioactive iodine and radioactive cesium from radioactive waste containing radioactive substances on an adsorption member for adsorbing a radioactive substance, and a measurement step (B) of measuring radioactivity of the radioactive substance.Type: GrantFiled: March 23, 2021Date of Patent: March 7, 2023Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Sang Eun Bae, Jung Hwan Park, Jun Hyuck Kim, Hwa Kyeung Jeong, Byung Man Kang, Tae Hong Park, Sang Ho Lim, Kun Ho Chung
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Publication number: 20220163107Abstract: A shift-by-wire system physically prevents shifting to the R/N/D gear position and shifting to the P gear position from being simultaneously performed. The shift-by-wire system includes a body configured to have a Hall sensor provided therein, a knob installed so as to be rotatable around an axis of the body, a button assembly moving in an axial direction of the body and having a magnet provided to sense rotated and moved states thereof using the Hall sensor and rotate together with the knob, and a concurrent operation limiting unit to mechanically limit movement of the button assembly in a state in which the knob is manipulated so as to be rotated, and to mechanically limit rotation of the knob in a state in which the button assembly is manipulated so as to be moved.Type: ApplicationFiled: July 28, 2021Publication date: May 26, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL CorporationInventors: Hee En ZOO, Ki Young SONG, Woo Duck KIM, Sung Tae KIM, Sang Eun BAE
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Patent number: 11285777Abstract: The present disclosure relates to a semi-active stabilizer device which may adjust the rigidity of a stabilizer bar according to a traveling state of a vehicle, and may include a first stabilizer bar, a second stabilizer bar, an outer housing which has a hollow portion formed therein, an inner housing which is inserted into the hollow portion of the outer housing to rotate relatively, an elastic member which applies an elastic force so that the outer housing and the inner housing return to original positions thereof upon relative rotation, and a stopper which limits the inner housing to rotate relatively only within a certain angular range upon the relative rotation, thereby improving riding comfort upon traveling on a straight road, and improving traveling stability upon traveling on a curved road.Type: GrantFiled: May 29, 2020Date of Patent: March 29, 2022Assignee: DAEWON KANG UP CO., LTD.Inventors: Man Seung Lim, Jin Woong Kim, Sang Eun Bae, In Sup Kim
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Publication number: 20210302598Abstract: The present invention relates to a method for measuring radioactivity of radioactive waste, the method comprising an adsorption step (A) of selectively adsorbing a radioactive substance comprising at least one from among radioactive iodine and radioactive cesium from radioactive waste containing radioactive substances on an adsorption member for adsorbing a radioactive substance, and a measurement step (B) of measuring radioactivity of the radioactive substance.Type: ApplicationFiled: March 23, 2021Publication date: September 30, 2021Inventors: Sang Eun BAE, Jung Hwan PARK, Jun Hyuck KIM, Hwa Kyeung JEONG, Byung Man KANG, Tae Hong PARK, Sang Ho LIM, Kun Ho CHUNG
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Patent number: 10987990Abstract: A semi-active anti-roll stabilizer bar capable of controlling the stiffness thereof by virtue of the elastic force of a spring is disclosed. When the stabilizer bar is rotated during general travelling, the stabilizer bar has roll stiffness attributable to the repulsive force due to the spring constant thereof. When the stabilizer bar is greatly rotated during turning of the vehicle, the springs are closely compressed, with the result that the stabilizer bar has the same high stiffness as that of a general stabilizer bar.Type: GrantFiled: May 8, 2019Date of Patent: April 27, 2021Assignee: DAEWON KANG UP CO., LTD.Inventors: Man Seung Lim, Jin Young Kim, Sang Eun Bae
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Publication number: 20210118587Abstract: The present invention relates to a radioactive chemical waste treatment apparatus including an adsorption unit including an radioactive chemical waste adsorption member for adsorbing and separating radioactive chemical wastes from radioactive chemical waste-containing fluid, and a regeneration unit which is in fluidic communication with the adsorption unit and is for regenerating the radioactive chemical waste adsorption member by desorbing the radioactive chemical wastes from the adsorption member with the radioactive chemical wastes adsorbed thereonto, and to a radioactive chemical waste treatment method including (A) adsorbing radioactive chemical wastes onto a radioactive chemical waste adsorption member and separating the radioactive chemical wastes from a radioactive chemical waste-containing fluid, and (B) desorbing the radioactive chemical wastes from the radioactive chemical waste adsorption member with the radioactive chemical wastes adsorbed thereonto, and regenerating the radioactive chemical wastType: ApplicationFiled: October 14, 2020Publication date: April 22, 2021Inventors: Sang Eun BAE, Hwa Kyeung JEONG, Dong Woo LEE, Tae Hong PARK, Jei Won YEON, Kun Ho CHUNG, Sang Ho LIM, Jai Il PARK, Wan Sik CHA, Byung Man KANG
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Patent number: 10933401Abstract: The present invention relates to a magnetic cesium adsorbent, a preparation method therefor, and a cesium removal method using the same, the preparation method comprising the steps of: (a) preparing a metal hexacyanoferrate; and (b) hydrothermally reacting the metal hexacyanoferrate so as to prepare a metal hexacyanoferrate having a rhombohedral crystal structure.Type: GrantFiled: July 4, 2017Date of Patent: March 2, 2021Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Tae Hong Park, Young Jin Cho, Sang Eun Bae, Sang Ho Lim, Jai Il Park, Young Sang Youn, Jei Won Yeon
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Publication number: 20200376919Abstract: The present disclosure relates to a semi-active stabilizer device which may adjust the rigidity of a stabilizer bar according to a traveling state of a vehicle, and may include a first stabilizer bar, a second stabilizer bar, an outer housing which has a hollow portion formed therein, an inner housing which is inserted into the hollow portion of the outer housing to rotate relatively, an elastic member which applies an elastic force so that the outer housing and the inner housing return to original positions thereof upon relative rotation, and a stopper which limits the inner housing to rotate relatively only within a certain angular range upon the relative rotation, thereby improving riding comfort upon traveling on a straight road, and improving traveling stability upon traveling on a curved road.Type: ApplicationFiled: May 29, 2020Publication date: December 3, 2020Inventors: Man Seung Lim, Jin Woong Kim, Sang Eun Bae, In Sup Kim
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Publication number: 20200244028Abstract: The present disclosure relates to a device and a method for adjusting a pulse width of a laser beam by using the plasma generated by being induced from laser as a shutter, and more particularly, to a device and a method for adjusting a laser pulse width, which can precisely and quickly adjust the laser pulse width by dividing the laser generated from a laser light source into a target pulse and a shutter pulse; converting the optical path of the divided laser; and chopping the target pulse by using the plasma induced from the shutter pulse as an optical shutter in a cell having adjustable internal pressure.Type: ApplicationFiled: October 25, 2019Publication date: July 30, 2020Applicant: Seoul National University R&DB FoundationInventors: Hyung Rok Do, Sang Eun Bae, Sung Kyun Oh
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Publication number: 20200070617Abstract: A semi-active anti-roll stabilizer bar capable of controlling the stiffness thereof by virtue of the elastic force of a spring is disclosed. When the stabilizer bar is rotated during general travelling, the stabilizer bar has roll stiffness attributable to the repulsive force due to the spring constant thereof. When the stabilizer bar is greatly rotated during turning of the vehicle, the springs are closely compressed, with the result that the stabilizer bar has the same high stiffness as that of a general stabilizer bar.Type: ApplicationFiled: May 8, 2019Publication date: March 5, 2020Inventors: Man Seung LIM, Jin Young KIM, Sang Eun BAE
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Publication number: 20190210004Abstract: The present invention relates to a magnetic cesium adsorbent, a preparation method therefor, and a cesium removal method using the same, the preparation method comprising the steps of: (a) preparing a metal hexacyanoferrate; and (b) hydrothermally reacting the metal hexacyanoferrate so as to prepare a metal hexacyanoferrate having a rhombohedral crystal structure.Type: ApplicationFiled: July 4, 2017Publication date: July 11, 2019Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Tae Hong PARK, Young Jin CHO, Sang Eun BAE, Sang Ho LIM, Jai Il PARK, Young Sang YOUN, Jei Won YEON
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Patent number: 10093306Abstract: A system and method of stabilizing combustion in the engine of a hybrid electric vehicle. The system includes a controller controlling a starter and an injector, wherein the controller causes the starter to rotate the engine without fuel injection before starting the engine after an engine starting condition is satisfied or after an engine stop condition is satisfied and the engine is stopped.Type: GrantFiled: November 30, 2016Date of Patent: October 9, 2018Assignee: Hyundai Motor CompanyInventors: Yong Seok Kim, Sanghoon Lee, Sang Eun Bae, Jeong Ki Huh
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Publication number: 20170151941Abstract: A system and method of stabilizing combustion in the engine of a hybrid electric vehicle. The system includes a controller controlling a starter and an injector, wherein the controller causes the starter to rotate the engine without fuel injection before starting the engine after an engine starting condition is satisfied or after an engine stop condition is satisfied and the engine is stopped.Type: ApplicationFiled: November 30, 2016Publication date: June 1, 2017Applicant: HYUNDAI MOTOR COMPANYInventors: Yong Seok Kim, Sanghoon Lee, Sang Eun Bae, Jeong Ki Huh
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Patent number: 9618468Abstract: The present disclosure relates to a method for measuring electrical conductivity and a system for measuring electrical conductivity using the same. The method includes obtaining a cell constant of a conductance cell using a conductivity standard solution, pouring a solution desired to be measured in the conductance cell, and applying predetermined direct current (DC) voltages to electrodes, disposed in the conductance cell, in a manner of changing the predetermined DC voltages in stages at each preset time (t), obtaining resistance of the solution, as a slope, from a linear relationship between the voltage and a peak current, measured for each voltage, and calculating electrical conductivity of the solution using the cell constant and the resistance of the solution.Type: GrantFiled: October 24, 2013Date of Patent: April 11, 2017Assignees: KOREA HYDRO & NUCLEAR POWER CO., LTD., KOREA ATOMIC ENERGY RESEARCH INSTITUTEInventors: Jong Yun Kim, Yong Suk Choi, Sang Eun Bae, Jei Won Yeon, Kyuseok Song
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Patent number: 9291595Abstract: A monitoring method of metal ions or oxygen ions applicable to a high concentration non-aqueous electrolyte includes: applying a potential in a non-aqueous electrolyte to obtain current information with respect to the potential; varying the potential applied in the non-aqueous electrolyte containing metal ion concentration or oxygen ion concentration such that the metal ion concentration or the oxygen ion concentration is maintained in spite of the potential being applied; detecting a linear relationship among the concentration, the current, and passed charges in the non-aqueous electrolyte by repeatedly performing the obtaining step and the varying step, while changing the concentration; and calculating metal ion concentration or oxygen ion concentration of the non-aqueous electrolyte in pyroprocessing of the non-aqueous electrolyte by using the linear relationship.Type: GrantFiled: March 12, 2013Date of Patent: March 22, 2016Assignees: KOREA ATOMIC ENERGY RESEARCH INSTITUTE, KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Sang Eun Bae, Kyuseok Song, Dae Hyeon Kim, Yong Joon Park, Jong Yun Kim, Jei Won Yeon
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Publication number: 20150050816Abstract: A method of preparing a silicon thin film, silicon thin film prepared using the method, and an electronic device including the silicon thin film are provided. The method includes applying an oxidized silicon element solution to a substrate and sintering the silicon oxide film to prepare a compact silicon oxide thin film, electrochemically reducing the silicon oxide thin film to form a porous silicon film, and re-sintering the porous silicon film. Therefore, the silicon thin film used in semiconductors, solar cells, secondary batteries and the like can be easily prepared at a low cost with a smaller number of processes than the conventional methods, and thus price competitiveness of products can be enhanced.Type: ApplicationFiled: August 19, 2014Publication date: February 19, 2015Inventors: Sang Eun Bae, Jong-Yun Kim, Jei-Won Yeon, Tae-Hong Park, Kyuseok Song, Dae Hyeon Kim, Young Hwan Cho, Yong Joon Park, Yeong-Keong Ha