Patents Assigned to Kookmin University Industry Academy Cooperation Foundation
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Patent number: 10601326Abstract: A flyback converter is provided, which includes a transformer comprising a primary winding and a secondary winding, the transformer for transforming a power inputted from an input power supply and outputting the transformed power, a switching part having one end connected to the primary winding and the other end connected to the input power supply, and an auxiliary circuit including an auxiliary capacitor, and an auxiliary winding coupled to the primary winding. In addition, a clamping diode and a two-series connected switch structure is utilized for the switch stage to relieve the voltage stress of the switch. Accordingly, it is possible to reduce the voltage stress of the switch and also reduce the ripple of the input current which are the causes of EMI.Type: GrantFiled: May 23, 2019Date of Patent: March 24, 2020Assignees: Korea Aerospace Research Institute, Kookmin University Industry Academy Cooperation FoundationInventors: Na Young Lee, Jae Dong Choi, Sang Kyoo Han, Ju Young Lee
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Publication number: 20200078338Abstract: The present disclosure relates to a novel use of a sesquiterpene derivative, more particularly to a composition for preventing, improving or treating macular degeneration or macular edema caused by vascular leakage in the eye, the composition containing a sesquiterpene derivative compound represented by Chemical Formula 1 of the present disclosure or a pharmaceutically acceptable salt thereof as an active ingredient. Whereas the intraocular disease-related treating agents available in the market should be injected directly into the vitreous cavity, thus causing pain and side effects, the sesquiterpene derivative compound of the present disclosure is delivered to the target tissue (eye) via different administration routes (oral, intraperitoneal, etc.) other than the intravitreal route. Accordingly, the sesquiterpene derivative compound provides excellent therapeutic effect without being restricted by the administration routes.Type: ApplicationFiled: November 18, 2019Publication date: March 12, 2020Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventor: Sangtaek OH
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Patent number: 10560188Abstract: The present invention relates to an image sensor communication (ISC) system and method for enabling communication between an LED and a rolling shutter camera using a rolling shutter modulation method. The image sensor communication system according to an embodiment of the present invention comprises: a coding unit for coding transmission data to be transmitted; an LED which is turned on/off according to the transmission data coded in the coding unit; a rolling shutter camera for continuously photographing, at each of a plurality of rows in a rolling shutter manner, on/off images according to the on/off of the LED; an image processing unit for generating brightness signals according to brightness values of the on/off images of the LED photographed at each of the plurality of rows by the rolling shutter camera; and a data extraction unit for extracting the transmission data from the brightness signals of the on/off images of the LED generated by the image processing unit.Type: GrantFiled: January 15, 2016Date of Patent: February 11, 2020Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Yeong Min Jang, Van Nguyen Trang, Chang Hyun Hong
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Patent number: 10560193Abstract: A DSM-PSK optical wireless transmission method includes the steps of: receiving a binary data signal, allowing a modulator to convert the binary data signal into a global phase shift signal, generating a reference signal group including M number of pulse signals having the same period, the same duty ratio of d/M, mutually different phases, and a determined sequence, generating a data signal group including M number of pulse signals having a determined sequence, the pulse signals having been obtained by phase-shifting the reference signal group according to the global phase shift signal, flickering each light source of a reference light source group including M number of light sources having a determined sequence, according to each pulse signal of the reference signal group, and flickering each light source of a data light source group including M number of light sources having a determined sequence, according to each pulse signal of the data signal group.Type: GrantFiled: November 28, 2016Date of Patent: February 11, 2020Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Yeong Min Jang, Van Trang Nguyen, Chang Hyun Hong
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Patent number: 10551361Abstract: Disclosed is a separation column for micro gas chromatography, having superior separation performance and including a microchannel formed on a substrate and having a serpentine shape, and bumps formed on the surface of the microchannel, wherein the bumps are alternately disposed to face each other on the surface of the microchannel. In the separation column for micro gas chromatography, a sufficient pressure drop occurs, and thus an interaction between a gas mixture to be analyzed and a stationary phase in the column sufficiently takes place, whereby individual gas components are efficiently separated from the gas mixture, discharged from the column, and detected.Type: GrantFiled: August 4, 2017Date of Patent: February 4, 2020Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Si-Hyung Lim, Janghyeon Lee
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Publication number: 20190363632Abstract: A flyback converter is provided, which includes a transformer comprising a primary winding and a secondary winding, the transformer for transforming a power inputted from an input power supply and outputting the transformed power, a switching part having one end connected to the primary winding and the other end connected to the input power supply, and an auxiliary circuit including an auxiliary capacitor, and an auxiliary winding coupled to the primary winding. In addition, a clamping diode and a two-series connected switch structure is utilized for the switch stage to relieve the voltage stress of the switch. Accordingly, it is possible to reduce the voltage stress of the switch and also reduce the ripple of the input current which are the causes of EMI.Type: ApplicationFiled: May 23, 2019Publication date: November 28, 2019Applicants: KOREA AEROSPACE RESEARCH INSTITUTE, KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Na Young LEE, Jae Dong CHOI, Sang Kyoo HAN, Ju Young LEE
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Publication number: 20190352396Abstract: The present disclosure relates to a polypeptide containing an Fc domain in which a part of an amino acid sequence of a human antibody Fc domain is substituted with another amino acid sequence, or an aglycosylated antibody containing the same. The Fc domain of the present disclosure is optimized by substituting a part of an amino acid sequence of a wild-type Fc domain with another amino acid sequence. Therefore, it is useful in treatment of cancer due to superior selective binding ability to Fc?RIIIa among Fc receptors, and can be prepared as a homogeneous aglycosylated antibody through bacterial culture.Type: ApplicationFiled: August 22, 2017Publication date: November 21, 2019Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Sang Taek JUNG, Migyeong JO
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Patent number: 10469856Abstract: An apparatus for transmitting 3DTV broadcasting encodes a base video using scalable video coding (SVC) or scalable high efficiency video coding (SHVC) scheme to generate a base layer stream and an enhancement layer stream of the base video, encodes each of an additional video and video enhancement information data for enhancing video quality of the additional video, transmits the base layer stream and the enhancement layer stream of the base video through a base layer channel and an enhancement layer channel, respectively, and transmits the encoded additional video and the encoded video enhancement information data through the base layer channel or the enhancement layer channel.Type: GrantFiled: November 25, 2015Date of Patent: November 5, 2019Assignees: ELECTRONICS AND TELELCOMMUNICATIONS RESEARCH INSTITUTE, KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Sung-Hoon Kim, Jooyoung Lee, Se Yoon Jeong, Hui Yong Kim, Jin Soo Choi, Dong Wook Kang, Jinsuk Kwak, Minsuk Lee, Kyeong Hoon Jung, Suk Jin Hong
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Publication number: 20190290617Abstract: The present disclosure relates to a novel use of a sesquiterpene derivative, more particularly to a composition for preventing, improving or treating macular degeneration or macular edema caused by vascular leakage in the eye, the composition containing a sesquiterpene derivative compound represented by Chemical Formula 1 of the present disclosure or a pharmaceutically acceptable salt thereof as an active ingredient. Whereas the intraocular disease-related treating agents available in the market should be injected directly into the vitreous cavity, thus causing pain and side effects, the sesquiterpene derivative compound of the present disclosure is delivered to the target tissue (eye) via different administration routes (oral, intraperitoneal, etc.) other than the intravitreal route. Accordingly, the sesquiterpene derivative compound provides excellent therapeutic effect without being restricted by the administration routes.Type: ApplicationFiled: October 14, 2016Publication date: September 26, 2019Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventor: Sangtaek OH
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Patent number: 10409126Abstract: A thin film transistor includes a gate electrode, a first insulating layer disposed to cover the gate electrode, a semiconductor layer disposed on the first insulating layer that includes a first side surface portion, a source electrode disposed on the semiconductor layer, and a drain electrode disposed on the first insulating layer that includes a second side surface portion. The first side surface portion makes contact with the second side surface portion.Type: GrantFiled: March 1, 2013Date of Patent: September 10, 2019Assignees: SAMSUNG DISPLAY CO., LTD., KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Jihun Lim, Byung Du Ahn, Gun Hee Kim, Junhyun Park, Jehun Lee, Jaewoo Park, Dae Hwan Kim, Hyunkwang Jung, Jaehyeong Kim
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Patent number: 10323306Abstract: An austenitic steel matrix-nanoparticle composite and a producing method thereof are provided. The composite includes: an austenitic steel matrix that includes an alloying element; and a nanoparticle that grows in situ in the matrix and that is formed in the matrix. The nanoparticle grows from the alloying element included in the austenitic steel matrix. The method includes: preparing an austenitic steel matrix including an alloying element; and heating the austenitic steel matrix. In the method, the nanoparticle grows in situ in the matrix from the alloying element which is solid-dissolved in the austenitic steel matrix by the heating.Type: GrantFiled: June 16, 2015Date of Patent: June 18, 2019Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Hyunjoo Choi, Jonggyu Jeon, Seungjin Nam
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Publication number: 20190177857Abstract: Provided is a surface structure having freezing-delaying performance and freezing layer-separating performance. The surface structure includes a microstructural layer formed in the form of microscale irregularities and a plurality of nanopores formed in the microstructural layer. A freezing-delaying layer is formed on a surface of the microstructural layer to delay a freezing phenomenon. Also, a hygroscopic material is accommodated in the nanopores, so that when a surface of the freezing-delaying layer starts to freeze, the hygroscopic material is discharged from the nanopores to form a hygroscopic material film, and thus adhesion between the freezing-delaying layer and ice is reduced to allow the ice to be detached from the freezing-delaying layer.Type: ApplicationFiled: September 13, 2018Publication date: June 13, 2019Applicant: Kookmin University Industry Academy Cooperation FoundationInventors: Sihyung Lim, Bok Hyun Lee, Barthwal Sumit
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RESOURCE RECOVERY METHOD USING MULTI-STAGE SUBMERGED MEMBRANE DISTILLATION WATER TREATMENT APPARATUS
Publication number: 20190144309Abstract: A resource recovery method includes: feeding raw water to a first-stage raw water tank; supplying high-temperature vapor to a first-stage heat exchanger; performing heat exchange between the supplied high-temperature vapor and the raw water in the first-stage raw water tank, changing a portion of the water into vapor and supplying the changed vapor to a subsequent-stage heat exchanger; repeatedly performing the performing step for each of the raw water tanks sequentially in the order from a second state to a n-th stage; being feed to a crystallizer from the n-th stage raw water tank; detecting a turbidity of the raw water fed to the crystallizer from the n-th-stage raw water tank; and extracting crystals of valuable resources contained in the raw water fed to the crystallizer from the n-th-stage raw water tank when the turbidity of the raw water becomes a predetermined value.Type: ApplicationFiled: January 17, 2019Publication date: May 16, 2019Applicant: Kookmin University Industry Academy Cooperation FoundationInventors: Sang-Ho LEE, Jin-Sik SOHN, Yong-Jun CHOI, Ji-Hyeok CHOI, Yong-Hyun SHIN -
Patent number: 10284840Abstract: Provided is an apparatus and method for reproducing a three-dimensional (3D) image. A 3D image reproduction apparatus may include an image selector configured to select a left-eye image and a right-eye image based on a broadcast standard of a broadcast stream, and an image outputter configured to output the 3D image by synthesizing and output the left-eye image and the right-eye image in a 3D image format.Type: GrantFiled: June 27, 2014Date of Patent: May 7, 2019Assignees: Electronics and Telecommunications Research Institute, Hidea Solutions Co., Ltd., Kookmin University Industry Academy Cooperation FoundationInventors: Joo Young Lee, Sung Hoon Kim, Se Yoon Jeong, Jin Soo Choi, Jin Woong Kim, Suk Jin Hong, Jin Suk Kwak, Dong Wook Kang, Kyeong Hoon Jung
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Patent number: 10239770Abstract: A multi-stage submerged membrane distillation water treatment apparatus including: a plurality of raw water tanks arranged in multiple stages ranging from a first stage to an n-th stage and storing raw water, the raw water flowing sequentially from the first stage to the n-th stage; membrane distillation (MD) modules submerged in the respective raw water tanks and discharging a portion of the raw water as vapor; heat exchangers submerged in the respective raw water tanks and maintaining the raw water at a predetermined temperature by performing heat exchange between the raw water and vapor supplied from the respective previous-stage MD modules; a vapor generator generating and supplying high-temperature vapor to the first-stage heat exchanger; a condenser condensing vapor supplied by the n-th-stage MD module; and a raw water feeder feeding low-temperature raw water to the first-stage raw water tank via the condenser.Type: GrantFiled: April 17, 2017Date of Patent: March 26, 2019Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Sang-Ho Lee, Yong-Jun Choi, Jin-Sik Sohn, Yong-Hyun Shin, Ji-Hyeok Choi
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Patent number: 10240833Abstract: An oil separator is provided. The oil separator includes a housing providing an oil separation space therein. An inlet introducing oil/gas mixture into the oil separation space is provided within an upper portion of the housing. An outlet discharging oil is provided within the lower portion of the housing. A gas discharge conduit is connected to the oil separation space. A portion of a surface exposed in the oil separation space is provided with a nanorod layer.Type: GrantFiled: March 29, 2017Date of Patent: March 26, 2019Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Sihyung Lim, Joon Ahn, Barthwal Sumit
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Patent number: 10222533Abstract: The described technology relates to a backlight unit and a display device including the backlight unit. In one aspect, the backlight unit includes a light source and a light guiding plate configured to guide light emitted from the light source. The backlight unit also includes an optical sheet integrally formed with the light guiding plate and including a micro pattern configured to emit light reflected from the light guiding plate.Type: GrantFiled: April 6, 2015Date of Patent: March 5, 2019Assignee: Kookmin University Industry Academy Cooperation FoundationInventors: Jae Gab Lee, Hoe Sub Soh, Jin Hyuk Kwon
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Publication number: 20190058479Abstract: A clock generator including a phase frequency detector configured to compare a phase and a frequency of a reference clock signal with a phase and a frequency of a first output clock signal and generate a detection signal based on a difference in the phases and frequencies of the clock signals; a loop filter configured to generate a first control voltage signal based on the detection signal; a first voltage controlled oscillator configured to generate and output a first output clock signal based on the first control voltage signal, a modulation filter configured to generate a modulation voltage signal based on the reference clock signal and generate a second control voltage signal by combining the modulation voltage signal and the first control voltage signal, and a second voltage controlled oscillator configured to generate and output a second output clock signal based on the second control voltage signal is provided.Type: ApplicationFiled: May 20, 2018Publication date: February 21, 2019Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATIONInventors: Hyunsun Mo, Dae Jeong Kim
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Patent number: 10196621Abstract: The present invention relates to Acanthophysium sp. KMF001 strain having high cellulose activity, and more particularly, to a novel Acanthophysium sp. KMF001 strain having the ability to produce endo-?-1,4-glucanase, ?-glucosidase, and cellobiohydrolase and to a culture of the strain. The novel Acanthophysium sp. KMF001 strain according to the present invention can produce highly active cellulases, including endo-?-1,4-glucanase, ?-glucosidase, and cellobiohydrolase, and thus can be advantageously used not only for enzymatic saccharification of lignocellulosic biomass, but also in various industrial fields, including the pulp and paper making industry, the detergent industry, the agricultural product processing industry, the fiber industry, and the livestock industry, in which the degradation of cellulose is required.Type: GrantFiled: November 2, 2015Date of Patent: February 5, 2019Assignee: Kookmin University Industry Academy Cooperation FoundationInventors: Yeong-Suk Kim, Tae-Jong Kim, Keum Shin, Sae Min Yoon
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Patent number: 10164840Abstract: An approach is provided for configuring multiple interferers. An interference effect minimum protective distance is calculated in response to detection of an input of an interferer parameter. Physical (PHY) layer modeling is performed to individually apply a pathloss caused by a separation distance between an interferer node and a victim and apply a pathloss of each node to an attenuator and a transmitter amplifier in an HW manner. MAC layer modeling is performed to determine a transmission node and a transmission time using Markov chain or determine a transmission node and a transmission time using a result log file of an external MAC simulator and a transmission/reception time is reflected in an HW manner by turning ON/OFF a switch. Multiple correlated interferer signals are generated for analyzing an effect of frequency interference in view of both of PHY and MAC layers.Type: GrantFiled: June 7, 2016Date of Patent: December 25, 2018Assignee: Kookmin University Industry Academy Cooperation FoundationInventors: Byungjun Jang, Jinsoo Park, Hyungoo Yoon