Patents by Inventor Sang Min Ahn
Sang Min Ahn 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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Publication number: 20240153831Abstract: An apparatus and method for measuring air currents on the surface of a substrate, which can accurately measure the magnitude and direction of air currents on the surface of a wafer with wafer-type air current measurement sensors, are provided. The apparatus includes: a first air current measurement module measuring a magnitude of air currents on a surface of a first substrate, which is processed in accordance with a semiconductor manufacturing process; a second air current measurement module measuring a movement direction of the air currents; and a power module supplying power to the first and second air current measurement modules, wherein the first air current measurement module, the second air current measurement module, and the power module are mounted on a second substrate, which has the same shape as the first substrate.Type: ApplicationFiled: October 19, 2023Publication date: May 9, 2024Inventors: Yong Jun SEO, Su Jin CHAE, Sang Hyun SON, Sang Min HA, Young Sik BANG, Jeong Mo HWANG, Dong Ok AHN
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Publication number: 20240113403Abstract: The present disclosure relates to an electrolyte injection system, and the electrolyte injection system is a system for injecting an electrolyte solution into a pouch in which an electrode assembly is embedded, the electrolyte injection system comprising: an injection pipe for injecting an electrolyte solution; an electrolyte solution supply portion supplying an electrolyte solution; and a manifold portion connecting an injection pipe and an electrolyte solution supply portion to prevent a reverse flow of the electrolyte solution and ensure precision of injection amount so that a large amount of electrolyte solution may be accurately and rapidly injected.Type: ApplicationFiled: July 27, 2023Publication date: April 4, 2024Inventors: Jae Min RYU, Sang Jun PARK, Kang San KIM, Ji Eun AHN, Young Rae OH
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Publication number: 20240040698Abstract: A printed circuit board includes a substrate including a plurality of wiring layers; a first metal post disposed on the substrate and connected to at least a portion of an uppermost wiring layer among the plurality of wiring layers; a second metal post disposed on the substrate and connected to at least another portion of the uppermost wiring layer among the plurality of wiring layers; a resist layer disposed on the substrate and embedding at least a portion of each of the first and second metal posts; and a metal via penetrating through the resist layer on the second metal post and connected to the second metal post.Type: ApplicationFiled: January 17, 2023Publication date: February 1, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Sang Min AHN
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Patent number: 11516448Abstract: The projection image compensating method according to an embodiment of the present disclosure includes acquiring mesh data, at least one representative image, at least one supplementary image, and position information which is information about an obtaining pose of each image for an indoor space; adding an index of each of the plurality of faces to a matrix corresponding to a size of the at least one representative image in accordance with a result of projecting the plurality of faces which configures the mesh data to the at least one representative image; detecting at least one occluded face among the plurality of faces, using an index added to the matrix; and extracting pixel information which is information of a pixel value corresponding to the at least one occluded face from the at least one supplementary image.Type: GrantFiled: November 4, 2019Date of Patent: November 29, 2022Assignee: Korea University Research and Business FoundationInventors: Nak Ju Doh, Hyung A Choi, Bum Chul Jang, Sang Min Ahn
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Publication number: 20200145630Abstract: The projection image compensating method according to an embodiment of the present disclosure includes acquiring mesh data, at least one representative image, at least one supplementary image, and position information which is information about an obtaining pose of each image for an indoor space; adding an index of each of the plurality of faces to a matrix corresponding to a size of the at least one representative image in accordance with a result of projecting the plurality of faces which configures the mesh data to the at least one representative image; detecting at least one occluded face among the plurality of faces, using an index added to the matrix; and extracting pixel information which is information of a pixel value corresponding to the at least one occluded face from the at least one supplementary image.Type: ApplicationFiled: November 4, 2019Publication date: May 7, 2020Applicant: Korea University Research and Business FoundationInventors: Nak Ju DOH, Hyung A CHOI, Bum Chul JANG, Sang Min AHN
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Patent number: 10427708Abstract: A method for controlling a motor driven power steering (MDPS) system includes detecting, by a controller, a current position of a rack bar; comparing, by the controller, the current position of the rack bar with a preset maximum position of the rack bar; updating, by the controller, the maximum position of the rack bar according to the comparison result; and setting, by the controller, a rack end stop control section using the updated maximum position of the rack bar.Type: GrantFiled: January 11, 2017Date of Patent: October 1, 2019Assignee: Hyundai Mobis Co., Ltd.Inventors: Do Young Kim, Sang Min Ahn, Tae Hong Kim
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Publication number: 20170197654Abstract: A method for controlling a motor driven power steering (MDPS) system includes detecting, by a controller, a current position of a rack bar; comparing, by the controller, the current position of the rack bar with a preset maximum position of the rack bar; updating, by the controller, the maximum position of the rack bar according to the comparison result; and setting, by the controller, a rack end stop control section using the updated maximum position of the rack bar.Type: ApplicationFiled: January 11, 2017Publication date: July 13, 2017Inventors: Do Young KIM, Sang Min AHN, Tae Hong KIM
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Patent number: 9607795Abstract: A complex protection device for blocking an abnormal state of current and voltage is disclosed. In the complex protection device, a resistive element is configured in the form of a structure and thus the resistive element has enhanced durability and surface mounting technology suitable for automation may be utilized, and a plurality of resistive elements is configured in various resistances and sizes to be optimally designed for product characteristics.Type: GrantFiled: November 22, 2013Date of Patent: March 28, 2017Assignee: SMART ELECTRONICS INC.Inventors: Jong il Jung, Doo Won Kang, Gyu Jin Ahn, Sang Joon Jin, Hyun Chang Kim, Kyung Mi Lee, Eun Min Kim, Tae Hun Kang, Kwang Hoon Lee, Sang Min Ahn
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Patent number: 9216762Abstract: An apparatus for driving a motor driven power steering (MDPS) may include: a first calculation unit configured to calculate a damping force gain based on an MDPS output current; a second calculation unit configured to calculate a damping force using vehicle speed and steering angle speed; and a damping force calculation unit configured to calculate a final damping force using the damping force gain calculated through the first calculation unit and the damping force calculated through the second calculation unit.Type: GrantFiled: March 6, 2014Date of Patent: December 22, 2015Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Sang Min Ahn, Eun Kyung Gu
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Publication number: 20150303011Abstract: A complex protection device for blocking an abnormal state of current and voltage is disclosed. In the complex protection device, a resistive element is configured in the form of a structure, and thus, the resistive element has enhanced durability, surface mounting technology suitable for automation may be used, and an insulation distance may be sufficiently secured when a fusible element is blown out.Type: ApplicationFiled: November 22, 2013Publication date: October 22, 2015Applicant: SMART ELECTRONICS INC.Inventors: Jong il JUNG, Doo Won KANG, Gyu Jin AHN, Sang Joon JIN, Hyun Chang KIM, Kyung Mi LEE, Eun Min KIM, Tae Hun KANG, Kwang Hoon LEE, Sang Min AHN
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Publication number: 20150303012Abstract: A complex protection device for blocking an abnormal state of current and voltage is disclosed. In the complex protection device, a resistive element is configured in the form of a structure and thus the resistive element has enhanced durability and surface mounting technology suitable for automation may be utilized, and a plurality of resistive elements is configured in various resistances and sizes to be optimally designed for product characteristics.Type: ApplicationFiled: November 22, 2013Publication date: October 22, 2015Inventors: Jong il JUNG, Doo Won KANG, Gyu Jin AHN, Sang Joon JIN, Hyun Chang KIM, Kyung Mi LEE, Eun Min KIM, Tae Hun KANG, Kwang Hoon LEE, Sang Min AHN
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Publication number: 20150046040Abstract: An apparatus for driving a motor driven power steering (MDPS) may include: a first calculation unit configured to calculate a damping force gain based on an MDPS output current; a second calculation unit configured to calculate a damping force using vehicle speed and steering angle speed; and a damping force calculation unit configured to calculate a final damping force using the damping force gain calculated through the first calculation unit and the damping force calculated through the second calculation unit.Type: ApplicationFiled: March 6, 2014Publication date: February 12, 2015Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Sang Min AHN, Eun Kyung GU
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Publication number: 20050218036Abstract: A box for housing a product such as a toy, e.g., a battery operated stuffed animal, includes a body having a floor and a pair of side walls, a roof being supported by the at least one side wall and being positioned opposite to the floor, an opening being disposed at a front section of the roof between the side walls, the opening permitting a product housed therein to be displayed, stored and movably repositioned upon the floor of the body.Type: ApplicationFiled: September 17, 2004Publication date: October 6, 2005Inventor: Sang-Min Ahn
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Patent number: D536244Type: GrantFiled: April 18, 2005Date of Patent: February 6, 2007Inventor: Sang Min Ahn