Patents Assigned to CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPS
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Publication number: 20250074924Abstract: The present disclosure relates to a method for preparing a bimetal-organic framework including preparing a first mixture by mixing, in a solvent, a first metal precursor including zinc, a coordination compound of organic acid, and a substance including a counterion of the coordination compound; preparing a second mixture by mixing, in the first mixture, a second metal precursor including at least one metal selected from a group of magnesium, manganese, and copper, and irradiating the second mixture with the microwave.Type: ApplicationFiled: September 21, 2022Publication date: March 6, 2025Applicant: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Sang Il Han, Ranjit Gaikwad
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Publication number: 20250021749Abstract: The disclosure relates to a memo processing device is configured to include a camera for filming videos, a memo acquisition unit for specifying a subject to which a memo is to be attached in the filmed video and storing the subject and the memo in a memory, and a memo presentation unit for displaying a memo stored in the memory as an overlay on a screen when the camera faces the subject. The memo processing device may be appropriately adopted by a portable terminal device such as a smartphone, or a mobile device of various kinds, such as Google Glass or a head-mounted display that is worn on the body, such as the head, as appropriate.Type: ApplicationFiled: February 10, 2022Publication date: January 16, 2025Applicant: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Chang Soon Kang, Su Gyun Lee, Myo Jeong Kim
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Publication number: 20240351064Abstract: The present invention relates to a method of manufacturing a micropattern surface with a reentrant structure with hydrophobicity and oleophobicity through a simple process using capillary force. The method of the present invention includes a step of forming a resin layer by applying an ultraviolet rays (UV) curable resin on a first substrate; a step of forming a pillar-shaped fine pattern on a second substrate; a step of bringing the resin layer and the fine pattern into contact with each other by moving the first substrate or the second substrate so that the resin layer and the fine pattern face each other; and a step of curing the resin by radiating ultraviolet rays while the resin located around a pillar of the fine pattern moves a certain distance along the pillar in the longitudinal direction of the pillar of the fine pattern by capillary force.Type: ApplicationFiled: June 28, 2024Publication date: October 24, 2024Applicant: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Young Tae CHO, Seok Kim, Su Hyun Choi
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Patent number: 12044813Abstract: Disclosed are a charge sensitive amplifier capable of minimizing a variation in a signal voltage of an output signal by applying a bias direct current to a gate of a feedback transistor, and a radiation sensor including the same. According to the charge sensitive amplifier and the radiation sensor including the same, it is possible to minimize a variation in a signal voltage of a charge sensitive amplifier output signal by applying a current, which is formed by mirroring a current bias circuit designed to be insensitive to PVT variations, to a gate of a feedback transistor. Furthermore, it is possible to reduce a variation in charging time and enable high-speed sensing by charging the signal voltage to the level of a common voltage VCOM by using a constant current supplied through a bandgap reference (BGR) circuit.Type: GrantFiled: June 29, 2021Date of Patent: July 23, 2024Assignees: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPS, ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Young Hee Kim, Hong Zhou Jin, Kyung Hwan Park
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Publication number: 20230400266Abstract: Disclosed is a device for high-temperature gas including one or more partitions and three-dimensional lattice structures of different shapes, wherein different spaces formed by the partitions include the three-dimensional lattice structures of different shapes.Type: ApplicationFiled: December 22, 2021Publication date: December 14, 2023Applicant: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Seok Ho KIM, Seok KIM, Byung Hui KIM
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Publication number: 20210405224Abstract: Disclosed are a charge sensitive amplifier capable of minimizing a variation in a signal voltage of an output signal by applying a bias direct current to a gate of a feedback transistor, and a radiation sensor including the same. According to the charge sensitive amplifier and the radiation sensor including the same, it is possible to minimize a variation in a signal voltage of a charge sensitive amplifier output signal by applying a current, which is formed by mirroring a current bias circuit designed to be insensitive to PVT variations, to a gate of a feedback transistor. Furthermore, it is possible to reduce a variation in charging time and enable high-speed sensing by charging the signal voltage to the level of a common voltage VCOM by using a constant current supplied through a bandgap reference (BGR) circuit.Type: ApplicationFiled: June 29, 2021Publication date: December 30, 2021Applicants: CHANGWON NATIONAL UNIVERSITY Industry Academy Cooperation Corps, Electronics and Telecommunications Research InstituteInventors: Young Hee KIM, Hong Zhou JIN, Kyung Hwan PARK
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Patent number: 11014825Abstract: The present invention relates to a method for producing potassium titanate, and the present invention provides a method for producing potassium titanate which uses anatase-phased titanium dioxide to simplify the process by a hydrothermal method, and thus may improve economical efficiency and productivity, and in which the reaction temperature, the reaction time and the molar ratio of a precursor may be controlled to produce a high-purity potassium titanate whisker having a nano size of an uniform shape.Type: GrantFiled: October 25, 2017Date of Patent: May 25, 2021Assignees: LG CHEM, LTD., CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATIONS CORPSInventors: Jong Hun Kim, Je Kyun Lee, Dong Sik Bae, Yeon Bin Choi
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Patent number: 10995426Abstract: Provided is a method for preparing a flame-retardant composite fabric, the method sequentially including: a solution preparation step of mixing water with glycerol while heating them at a temperature of 60 to 80° C.Type: GrantFiled: December 9, 2019Date of Patent: May 4, 2021Assignee: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Jung-il Song, Prabhakar Muchukota Narendra
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Patent number: 10800156Abstract: Provided is a fabricating method of a pattern, which includes preparing a first substrate having a first width and a first thickness, stretching the first substrate and preparing a second substrate having a second width and a second thickness, forming a base layer made of a material of a pattern which will be formed on the second substrate, removing a predetermined region of the base layer and forming a first pattern having a first line width and a first height on the second substrate, and removing a tensile force applied to the second substrate to restore the second substrate back to being the first substrate and forming a second pattern having a second line width and a second height on the first substrate.Type: GrantFiled: June 19, 2018Date of Patent: October 13, 2020Assignee: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Young Tae Cho, Yoon Gyo Jung, Yeon Ho Jeong, Seung Hang Shin, Hyun Min Choi
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Publication number: 20200101716Abstract: Provided is a fabricating method of a pattern, which includes preparing a first substrate having a first width and a first thickness, stretching the first substrate and preparing a second substrate having a second width and a second thickness, forming a base layer made of a material of a pattern which will be formed on the second substrate, removing a predetermined region of the base layer and forming a first pattern having a first line width and a first height on the second substrate, and removing a tensile force applied to the second substrate to restore the second substrate back to being the first substrate and forming a second pattern having a second line width and a second height on the first substrate.Type: ApplicationFiled: June 19, 2018Publication date: April 2, 2020Applicant: CHANGWON NATIONAL UNIVERSITY Industry Academy Cooperation CorpsInventors: Young Tae CHO, Yoon Gyo JUNG, Yeon Ho JEONG, Seung Hang SHIN, Hyun Min CHOI
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Patent number: 10606237Abstract: The present invention relates to a welding device which includes a welding power source provided with a power supply circuit; a wire feeder connected to the welding power supply to supply wire; a torch which pulls the wire supplied from the wire feeder and supplies the wire to a welding part; an IR thermal camera which captures the welding part; a vision module having built-in program which receives and processes a captured image of a IR thermal camera; and a slag removal device which removes slag detected in the welding part in real time in conjunction with the vision module. The welding device has an effect in which slag generated during welding can be removed before the slag is fixed on the molten pool.Type: GrantFiled: April 29, 2016Date of Patent: March 31, 2020Assignees: Changwon National University Industry Academy Cooperation Corps, Best F.A. Co., Ltd.Inventors: Young Tae Cho, Yu Chan Kim, Yoon Gyo Jung, Young Cheol Jeong
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Patent number: 10414151Abstract: Provided is a printing apparatus including: a printing roller whose outer circumferential surface is coated with ink; a cliché roller which rotates in engagement with the printing roller and forms first patterns on the printing roller by removing portions of the ink coated on the outer circumferential surface of the printing roller and on which second patterns which are the removed portions of the ink are formed; a first transfer substrate onto which the first patterns of the printing roller are transferred; and a second transfer substrate onto which the second patterns of the cliché roller are transferred. The printing apparatus can reduce the time required for a product production process by omitting a cliché cleaning process.Type: GrantFiled: April 21, 2017Date of Patent: September 17, 2019Assignee: Changwon National University Industry Academy Cooperation CorpsInventors: Young Tae Cho, Sin Kwon, Taik Min Lee
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Publication number: 20190084070Abstract: The present invention relates to a MIG welding system including: operating a vision module and a welding device; capturing a thermal image of a welding part using an IR thermal camera connected to the vision module, converting the image into a video signal, and transmitting the video image to the vision module; detecting whether there is slag through the vision module; determining whether the detected slag is fixed when the slag is detected through the vision module; and analyzing the position of the slag and calculating a coordinate value when it is determined that the detected slag is fixed. Even if the slag is not checked with the naked eye, the operator can determine the position of the fixed slag which is not checked with the naked eye through the calculated coordinate values.Type: ApplicationFiled: April 29, 2016Publication date: March 21, 2019Applicants: CHANGWON NATIONAL UNIVERSITY Industry Academy Cooperation Corps, BEST F.A CO., LTD.Inventors: Young Tae CHO, Chang Je LEE, Yoon Gyo JUNG, Young Cheol JEONG
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Publication number: 20180373222Abstract: The present invention relates to a welding device which includes a welding power source provided with a power supply circuit; a wire feeder connected to the welding power supply to supply wire; a torch which pulls the wire supplied from the wire feeder and supplies the wire to a welding part; an IR thermal camera which captures the welding part; a vision module having built-in program which receives and processes a captured image of a IR thermal camera; and a slag removal device which removes slag detected in the welding part in real time in conjunction with the vision module. The welding device has an effect in which slag generated during welding can be removed before the slag is fixed on the molten pool.Type: ApplicationFiled: April 29, 2016Publication date: December 27, 2018Applicants: CHANGWON NATIONAL UNIVERSITY Industry Academy Cooperation Corps, BEST F.A CO., LTD.Inventors: Young Tae CHO, Chang Je LEE, Yoon Gyo JUNG, Young Cheol JEONG
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Patent number: 10076814Abstract: A multiple heat source-type preheating device for a machining apparatus is provided. The multiple heat source-type preheating device for a machining apparatus includes a first heat source provision module and a second heat source provision module. The first heat source provision module is installed to be moved along a portion of a material to be machined along with a spindle adapted to rotate a tool at high speed, and is configured to preheat the portion of the material to be machined by providing a heat source thereto. The second heat source provision module is installed to be moved along with the first heat source provision module, and is configured to preheat the portion of the material to be machined by providing a heat source thereto while preceding or following the first heat source provision module.Type: GrantFiled: May 22, 2017Date of Patent: September 18, 2018Assignee: Changwon National University Industry Academy Cooperation CorpsInventors: Choon-Man Lee, Wan-sik Woo, Won-jung Oh
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Publication number: 20170305143Abstract: Provided is a printing apparatus including: a printing roller whose outer circumferential surface is coated with ink; a cliché roller which rotates in engagement with the printing roller and forms first patterns on the printing roller by removing portions of the ink coated on the outer circumferential surface of the printing roller and on which second patterns which are the removed portions of the ink are formed; a first transfer substrate onto which the first patterns of the printing roller are transferred; and a second transfer substrate onto which the second patterns of the cliché roller are transferred. The printing apparatus can reduce the time required for a product production process by omitting a cliché cleaning process.Type: ApplicationFiled: April 21, 2017Publication date: October 26, 2017Applicants: CHANGWON NATIONAL UNIVERSITY Industry Academy Cooperation Corps, Korea Institute of Machinery & MaterialsInventors: Young Tae CHO, Sin Kwon, Taik Min Lee
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Patent number: 9782469Abstract: The present invention relates to an anti-inflammatory, skin-regenerative, whitening, antioxidant, or wound-healing composition containing a culture medium of adipose-derived stem cell-T (ADSC-T) cells as an active ingredient, in which T-antigen is introduced into an adipose-derived stem cell. The culture medium of ADSC-T cells, according to the present invention, has remarkable effects for treating or inhibiting inflammation by alleviating atopic dermatitis, which is an autoimmune disease, and inhibiting NF-?B activities through an increase of an I?b? expression. Additionally, the culture medium, according to the present invention, exhibits: excellent skin regenerative effects by having effects of enhancing skin collagen elasticity and reducing wounds, in a collagen culture; excellent skin whitening effects by inhibiting tyrosinase activities and melanin production; and excellent anti-oxidation effects by inhibiting DPPH radical activities.Type: GrantFiled: August 29, 2013Date of Patent: October 10, 2017Assignee: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Dongwan Kim, Han Na Park, Gyu Bin Kim
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Publication number: 20160074499Abstract: The present invention relates to an anti-inflammatory, skin-regenerative, whitening, antioxidant, or wound-healing composition containing a culture medium of adipose-derived stem cell-T (ADSC-T) cells as an active ingredient, in which T-antigen is introduced into an adipose-derived stem cell. The culture medium of ADSC-T cells, according to the present invention, has remarkable effects for treating or inhibiting inflammation by alleviating atopic dermatitis, which is an autoimmune disease, and inhibiting NF-?B activities through an increase of an I?b? expression. Additionally, the culture medium, according to the present invention, exhibits: excellent skin regenerative effects by having effects of enhancing skin collagen elasticity and reducing wounds, in a collagen culture; excellent skin whitening effects by inhibiting tyrosinase activities and melanin production; and excellent anti-oxidation effects by inhibiting DPPH radical activities.Type: ApplicationFiled: August 29, 2013Publication date: March 17, 2016Applicant: Changwon National University Industry Academy Cooperation CorpsInventors: Dongwan KIM, Han N. PARK, Gyu B. KIM
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Patent number: 9238286Abstract: Disclosed is a method for, when a surface of a workpiece is preheated with a laser beam during milling, calculating an optimum preheating temperature according to a type of the workpiece and controlling a surface preheating temperature. The method includes: a processing condition inputting step; a matching step; a loading step; a preheating step; a measuring step; a comparing step; an ending step; a lower limit determining step; an output increasing step; and an output decreasing step.Type: GrantFiled: June 12, 2013Date of Patent: January 19, 2016Assignee: Changwon National University Industry Academy Cooperation Corps.Inventors: Choon-Man Lee, Dong-Hyeon Kim
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Patent number: 9041267Abstract: The present invention provides a preload control device of a magnetic bearing, which includes a main shaft, a housing, a first magnetic bearing mechanism, a second magnetic bearing mechanism, a pressing mechanism, and a sliding member. The main shaft is rotatably formed in the shape of a rod that is longitudinally long. The housing covers and is fixed outside the main shaft. The first magnetic bearing mechanism is disposed between the housing and the main shaft. The second magnetic bearing mechanism is spaced from the first magnetic bearing mechanism in the axial direction of the main shaft, between the housing and the main shaft. The pressing mechanism is disposed between the second magnetic bearing mechanism and the frusto-conical member. The sliding member is disposed between the pressing mechanism and the second magnetic bearing mechanism.Type: GrantFiled: April 14, 2011Date of Patent: May 26, 2015Assignee: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Choon-Man Lee, Dong-Hyeon Kim