Patents by Inventor Cheul Lee
Cheul Lee 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: 20230394766Abstract: A server that creates a spatial model includes a derivation unit configured to derive boundary point information from a panoramic image of an indoor space; a point cloud creation unit configured to create a point cloud for the panoramic image; a division unit configured to divide the point cloud based on the boundary point information; a texture image creation unit configured to create a texture image by projecting the divided point cloud onto a plane corresponding to the divided point cloud; a mesh model creation unit configured to extract geometric information from the point cloud based on the boundary point information, and create a mesh model based on the extracted geometric information; and a spatial model creation unit configured to create the spatial model for the indoor space based on the texture image and the mesh model.Type: ApplicationFiled: October 21, 2021Publication date: December 7, 2023Inventors: Yeo Jin YUN, Gyu Cheol LEE, Jong Kyong PARK, Yu LEE, Zu Cheul LEE, Chul Hee LEE
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Patent number: 11450044Abstract: Provided is a method and a device for creating and displaying a multilayer augmented reality image. The device may include a photographing circuit configured to capture images of a real environment and an image processor configured to create an AR content, extract at least one object from the captured images of the real environment, display the captured images of real environment as a first layer, display the created AR content as a second layer and overlay the second layer on the first layer, and display the extracted object as an object image layer and overlay the object image layer on the second layer.Type: GrantFiled: March 20, 2019Date of Patent: September 20, 2022Assignee: KT CORPORATIONInventors: Zu-Cheul Lee, Kyung-Kuk Kim, Yong-Beom Yi
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Publication number: 20200302664Abstract: Provided is a method and a device for creating and displaying a multilayer augmented reality image. The device may include a photographing circuit configured to capture images of a real environment and an image processor configured to create an AR content, extract at least one object from the captured images of the real environment, display the captured images of real environment as a first layer, display the created AR content as a second layer and overlay the second layer on the first layer, and display the extracted object as an object image layer and overlay the object image layer on the second layer.Type: ApplicationFiled: March 20, 2019Publication date: September 24, 2020Applicant: KT CORPORATIONInventors: Zu-Cheul LEE, Kyung-Kuk KIM, Yong-Beom YI
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Patent number: 10728562Abstract: Provided is an apparatus may be provided for transmitting a moving image including an alpha channel. The apparatus may include an object region extractor configured to extract an object region from the moving image, a color frame generator configured to generate a color frame corresponding to the extracted object region, an alpha channel frame generator configured to generate an alpha channel frame corresponding to the object region based on the alpha channel included in the moving image, a synthesizer configured to generate a synthesized frame by synthesizing the color frame and the alpha channel frame; an encoder configured to encode the synthesized frame; and a transmitter configured to transmit the encoded synthesized frame to a reproducing device.Type: GrantFiled: December 28, 2017Date of Patent: July 28, 2020Assignee: KT CORPORATIONInventors: Yong-Beom Yi, Zu-Cheul Lee, Yeong-Hwan Jeong, Sun-Young Cho, Won-Yong Kim
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Publication number: 20200199261Abstract: Provided is an oxime ester phenylcarbazole compound useful as a photoinitiator for photocrosslinking. Specifically, the carbon atom forming a double bond with the nitrogen atom in the oxime ester moiety of the oxime ester phenylcarbazole compound is bonded to the phenylcarbazole group and is directly bonded to a (C1-C20)alkyl or (C6-C20)aryl group. Also provided is a photopolymerizable composition including the oxime ester phenylcarbazole compound. The oxime ester phenylcarbazole compound and the photopolymerizable composition have improved solubilities, are highly photosensitive, and exhibit excellent physical properties in terms of residual film ratio, pattern stability, resist adhesiveness. Due to these advantages, the oxime ester phenylcarbazole compound and the photopolymerizable composition are suitable for use in black resists, color resists, overcoats, column spacers, and organic insulating films of LCDs.Type: ApplicationFiled: July 5, 2017Publication date: June 25, 2020Applicants: Korea Research Institute of Chemical Technology, TAKOMA TECHNOLOGY CO., LTD.Inventors: Chang Jin LEE, Jae Min LEE, Shahid AMEEN, Song Yun CHO, Sung Cheol YOON, Young Cheul LEE, Mi Sun RYU, Bok Joo SONG, Keun Soo KIM, So Youn NAM
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Patent number: 10137487Abstract: An apparatus for manufacturing a blade is provided. The apparatus for manufacturing a blade includes: an arm module including a pressing unit pivoting around a first shaft; a molding module including a molding die pressed by the pressing unit and molding bulk metallic glass (BMG) to a blade; and a drawing module pulling an end portion of the BMG exposed to the outside of the molding die to form an edge of the blade, wherein the drawing module includes a pair of drawing tools pulling one end portion of the BMG in two directions.Type: GrantFiled: October 29, 2015Date of Patent: November 27, 2018Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon Park, Seung Kook Ro, Sung Cheul Lee, Shiv G. Kapoor, James Zhu
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Patent number: 10098660Abstract: According to an exemplary embodiment of the present invention, a trocar is provided. The trocar includes: a sharp end; at least three concave cutting edges extended from the sharp end; and at least three concave cutting surfaces forming the sharp end and the at least three cutting edges.Type: GrantFiled: October 29, 2015Date of Patent: October 16, 2018Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon Park, Seung Kook Ro, Sung Cheul Lee, Byung-Sub Kim, Jaegu Kim, Kornel Ehmann, Peidong Han
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Publication number: 20180255308Abstract: Provided is an apparatus may be provided for transmitting a moving image including an alpha channel. The apparatus may include an object region extractor configured to extract an object region from the moving image, a color frame generator configured to generate a color frame corresponding to the extracted object region, an alpha channel frame generator configured to generate an alpha channel frame corresponding to the object region based on the alpha channel included in the moving image, a synthesizer configured to generate a synthesized frame by synthesizing the color frame and the alpha channel frame; an encoder configured to encode the synthesized frame; and a transmitter configured to transmit the encoded synthesized frame to a reproducing device.Type: ApplicationFiled: December 28, 2017Publication date: September 6, 2018Applicant: KT CORPORATIONInventors: Yong-Beom YI, Zu-Cheul LEE, Yeong-Hwan JEONG, Sun-Young CHO, Won-Yong KIM
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Patent number: 9956603Abstract: An apparatus for processing the surface of a workpiece includes: a first rotating body connected to a first rotating shaft and including a first protruding portion connected to a part of the outer circumference thereof; a second rotating body connected to a second rotating shaft and including a second protruding portion connected to a part of the outer circumference thereof; and a third rotating body connected to a third rotating shaft and including a third protruding portion connected to a part of the outer circumference thereof, wherein the first to third rotating shafts are in the same plane, a first angle between the first and second rotating shafts, a second angle between the first and third rotating shafts, and a third angle between the second and third rotating shafts are identical, outer circumferences of the first to third rotating shafts adjacent to one another form a pathway through which a workpiece can pass, and the size of the pathway is adjusted by moving the first rotating body.Type: GrantFiled: August 31, 2015Date of Patent: May 1, 2018Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon Park, Seung Kook Ro, Sung Cheul Lee, Byung-Sub Kim, Kornel Ehmann
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Patent number: 9844004Abstract: A telematics center includes a modem unit configured to receive at least one piece of vehicle information from at least one telematics terminal and a controller configured to analyze an operation pattern relating to a modem mounted in each of the at least one telematics terminal based on the at least one received piece of vehicle information and to determine an Out Of Service (OOS) scan mode based on the analyzed operation pattern relating to the modem. The controller is configured to transmit setting information corresponding to the determined scan mode to each of the at least one telematics terminal. Thereby, improvement in user convenience and apparatus efficiency is expected.Type: GrantFiled: May 5, 2015Date of Patent: December 12, 2017Assignee: HYUNDAI MOTOR COMPANYInventor: Woo Cheul Lee
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Publication number: 20170119431Abstract: According to an exemplary embodiment of the present invention, a trocar is provided. The trocar includes: a sharp end; at least three concave cutting edges extended from the sharp end; and at least three concave cutting surfaces forming the sharp end and the at least three cutting edges.Type: ApplicationFiled: October 29, 2015Publication date: May 4, 2017Inventors: Jong-Kweon PARK, Seung Kook Ro, Sung Cheul Lee, Byung-Sub Kim, Jaegu Kim, Kornel Ehmann, Peidong Han
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Publication number: 20170120468Abstract: An apparatus for manufacturing a blade is provided. The apparatus for manufacturing a blade includes: an arm module including a pressing unit pivoting around a first shaft; a molding module including a molding die pressed by the pressing unit and molding bulk metallic glass (BMG) to a blade; and a drawing module pulling an end portion of the BMG exposed to the outside of the molding die to form an edge of the blade, wherein the drawing module includes a pair of drawing tools pulling one end portion of the BMG in two directions.Type: ApplicationFiled: October 29, 2015Publication date: May 4, 2017Inventors: Jong-Kweon PARK, Seung Kook Ro, Sung Cheul Lee, Shiv G. Kapoor, James Zhu
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Publication number: 20170058999Abstract: An apparatus for processing the surface of a workpiece includes: a first rotating body connected to a first rotating shaft and including a first protruding portion connected to a part of the outer circumference thereof; a second rotating body connected to a second rotating shaft and including a second protruding portion connected to a part of the outer circumference thereof; and a third rotating body connected to a third rotating shaft and including a third protruding portion connected to a part of the outer circumference thereof, wherein the first to third rotating shafts are in the same plane, a first angle between the first and second rotating shafts, a second angle between the first and third rotating shafts, and a third angle between the second and third rotating shafts are identical, outer circumferences of the first to third rotating shafts adjacent to one another form a pathway through which a workpiece can pass, and the size of the pathway is adjusted by moving the first rotating body.Type: ApplicationFiled: August 31, 2015Publication date: March 2, 2017Inventors: Jong-Kweon PARK, Seung Kook RO, Sung Cheul LEE, Byung-Sub KIM, Kornel EHMANN
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Patent number: 9517508Abstract: Disclosed is a convergence machining apparatus based on turning in which a rotational axis of a work piece fixed by a headstock and a tailstock and a center of a width of a slide surface of a bed on which a reciprocal carriage installed with a tool is transferred while being supported are positioned at the same virtual plane, thereby preventing an offset error according to a relative displacement between the work piece and the tool during processing.Type: GrantFiled: October 15, 2013Date of Patent: December 13, 2016Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon Park, Seung Kook Ro, Byung-Sub Kim, Sung Cheul Lee, Gyung Ho Khim, Sung-Kwon Jang, Soo Chang Choi
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Publication number: 20160150482Abstract: A telematics center includes a modem unit configured to receive at least one piece of vehicle information from at least one telematics terminal and a controller configured to analyze an operation pattern relating to a modem mounted in each of the at least one telematics terminal based on the at least one received piece of vehicle information and to determine an Out Of Service (OOS) scan mode based on the analyzed operation pattern relating to the modem. The controller is configured to transmit setting information corresponding to the determined scan mode to each of the at least one telematics terminal. Thereby, improvement in user convenience and apparatus efficiency is expected.Type: ApplicationFiled: May 5, 2015Publication date: May 26, 2016Inventor: Woo Cheul LEE
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Patent number: 9333559Abstract: Disclosed is a convergence machining apparatus based on turning in which a rotation center of a work piece to a headstock and a footstock and a slide surface of first and second beds mounted with a reciprocal carriage, the headstock, and the footstock are positioned on the same virtual line when viewed from a direction parallel with a rotation axis of the work piece, thereby preventing an offset error in processing due to a relative displacement between the work piece and a tool installed at the reciprocal carriage.Type: GrantFiled: March 20, 2014Date of Patent: May 10, 2016Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon Park, Seung Kook Ro, Byung-Sub Kim, Sung Cheul Lee, Sung-Kwon Jang, Kyung Han Kim
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Patent number: 9272339Abstract: According to an exemplary embodiment of the present invention, a variable machine tool capable of multi-axis machining includes: a base frame; a first rotating frame rotating on the base frame and comprising a first sliding member sliding along a circumference while being contact-supported through an interior diameter; a second rotating frame cross-disposed inside the first rotating frame to rotate in a direction crossing the first rotating frame, and comprising a second sliding member sliding along a circumference while being contact-supported through an interior diameter; and a spindle of which position and posture displacement is adjusted when the first sliding member and the second sliding member slide by interworking with rotation of the first rotating frame and the second rotating frame, the spindle being installed while passing through the first sliding member and the second sliding member.Type: GrantFiled: December 7, 2012Date of Patent: March 1, 2016Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon Park, Sung Cheul Lee, Seung Kook Ro, Byung-Sub Kim
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Patent number: 9079279Abstract: Disclosed are an actively compensated stage including: a guide support having first and second guide surfaces perpendicular to each other; a table having first and second sides opposite the first and second guide surfaces and having air bearings on the first and second sides; a driving linear motor moving the table straight in an x-axial direction; and a plurality of magnetic actuators applying a magnetic preload between the guide support and the table and changing a magnetic force between the guide support and the table to compensate for 5-DOF motion errors generated in the table.Type: GrantFiled: May 31, 2012Date of Patent: July 14, 2015Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Seung Kook Ro, Jong-Kweon Park, Byung-Sub Kim, Sung Cheul Lee
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Publication number: 20150101466Abstract: Disclosed is a convergence machining apparatus based on turning in which a rotation center of a work piece to a headstock and a footstock and a slide surface of first and second beds mounted with a reciprocal carriage, the headstock, and the footstock are positioned on the same virtual line when viewed from a direction parallel with a rotation axis of the work piece, thereby preventing an offset error in processing due to a relative displacement between the work piece and a tool installed at the reciprocal carriage.Type: ApplicationFiled: March 20, 2014Publication date: April 16, 2015Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Jong-Kweon PARK, Seung Kook Ro, Byung-Sub Kim, Sung Cheul Lee, Sung-Kwon Jang, Kyung Han Kim
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Patent number: 8914957Abstract: A capsule type reconfigurable multifunctional machining apparatus is disclosed. A capsule type reconfigurable multifunctional machining apparatus includes a rotating frame in which a plurality of processing modules may be installed to face an object to be machined disposed in a capsule type body and whose machining position and pose are controlled by rotation, a top frame for rotatably supporting the rotating frame, a bottom frame that is combined with the top frame under the top frame to support the top frame and in which vibration proof members are installed in positions where the bottom frame contacts the top frame, and a stage unit fixedly inserted into the internal center of the top frame to settle the object to be machined so that the height of the settled object to be machined may be controlled and in which an X-Y stage or a rotary stage may be selectively mounted.Type: GrantFiled: December 7, 2012Date of Patent: December 23, 2014Assignee: Korea Institute of Machinery & MaterialsInventors: Jong-Kweon Park, Sung Cheul Lee, Byung-Sub Kim, Seung Kook Ro, Sung Kwon Jang