Patents by Inventor Chan Wook Park
Chan Wook Park 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: 20240132021Abstract: An apparatus for controlling a discharge pressure of a fluid includes: a pump configured to suck the fluid through an inlet or to discharge the sucked fluid through an outlet; a distributor connected to the pump and to an injection nozzle provided by a sensor and configured to distribute the fluid discharged from the pump to the sensor; and a controller. The controller is configured to control the pump to operate selectively in accordance with detection of contamination of the sensor and to control operation of the distributor to be forcibly delayed during operation of the pump such that the fluid distributed to the sensor, when detected as being contaminated, is controlled to reach a selected required discharge pressure of different required discharge pressures selected in accordance with water amount information and a degree of contamination of the sensor.Type: ApplicationFiled: April 30, 2023Publication date: April 25, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DY AUTO CORPORATIONInventors: Young Joon Shin, Chan Mook Choi, Gyu Won Han, Jong Min Park, Jin Hee Lee, Jong Wook Lee, Min Wook Park, Seong Jun Kim, Hyeong Jun Kim, Sun Ju Kim
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Patent number: 11945303Abstract: A method includes switching a vehicle to a 4WD state by connecting a disconnector, maintaining the disconnector in the connected state for a predetermined maintenance time, determining whether a condition to be switched to a 2WD state is satisfied when the predetermined maintenance time period elapses, and disconnecting the disconnector when the condition to be switched to the 2WD state is satisfied.Type: GrantFiled: March 2, 2023Date of Patent: April 2, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Chan Hee Won, Tae Wook Park, Young Joon Chang
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Publication number: 20240092167Abstract: A method includes switching a vehicle to a 4WD state by connecting a disconnector, maintaining the disconnector in the connected state for a predetermined maintenance time, determining whether a condition to be switched to a 2WD state is satisfied when the predetermined maintenance time period elapses, and disconnecting the disconnector when the condition to be switched to the 2WD state is satisfied.Type: ApplicationFiled: March 2, 2023Publication date: March 21, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Chan Hee WON, Tae Wook PARK, Young Joon CHANG
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Publication number: 20240092974Abstract: The present disclosure relates to a polyimide-based resin film comprising a polyimide-based resin containing a polyimide repeating unit represented by Chemical Formula 1 and a polyimide repeating unit represented by Chemical Formula 2, a substrate for display device, and an optical device using the same.Type: ApplicationFiled: September 14, 2022Publication date: March 21, 2024Applicant: LG CHEM, LTD.Inventors: Mi Eun KANG, Chan Hyo PARK, Jinyoung PARK, Chae Won PARK, Min Wook LEE
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Patent number: 11916186Abstract: The present invention relates to a method for preparing a sulfide-based solid electrolyte, a sulfide-based solid electrolyte prepared by the method, and an all-solid-state lithium secondary battery including the sulfide-based solid electrolyte. The method of the present invention includes a) mixing Li2S with P2S5 to prepare a mixed powder, b) placing the mixed powder, an ether, and stirring balls in a container, sealing the container, followed by stirring to prepare a suspension, and c) stirring the suspension under high-temperature and high-pressure conditions to prepare sulfide-based solid particles.Type: GrantFiled: February 15, 2017Date of Patent: February 27, 2024Assignee: SOLIVIS INC.Inventors: Dong Wook Shin, Min Yong Eom, Seung Hyun Oh, Chan Hwi Park, Sun Ho Choi
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Publication number: 20230176112Abstract: A semiconductor chip includes a semiconductor device connected between a first node to which a power supply voltage is applied and a second node to which a ground voltage is applied, a first ring oscillator connected to the first node through a first supply switch and the second node through a first ground switch and a second ring oscillator connected to the first node through a second supply switch and the second node through a second ground switch, wherein the first supply and ground switches are configured to operate in response to a first control signal, thereby operating the first ring oscillator, and the second supply and ground switches are configured to operate in response to a second control signal, thereby operating the second ring oscillator.Type: ApplicationFiled: October 18, 2022Publication date: June 8, 2023Inventors: Yeon Ho Jung, Jong Wook Kye, Min Woo Kwak, Mi Joung Kim, Chan Wook Park, Do Hoon Byun, Kwan Seong Lee, Jae Ho Lee, Jae Seung Choi, Hwang Ho Choi
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Publication number: 20230097976Abstract: An integrated circuit and an electronic device including the integrated circuit are provided. An integrated circuit includes a sequential logic circuit, which includes a first scan cell that is configured to receive a scan input, and a plurality of scan cells sequentially connected in series from the first scan cell, a control unit, which is configured to receive a selection signal including an output of each of the plurality of scan cells, and is further configured to output a control signal responsive to the selection signal, and a monitoring circuit, which is configured to receive the control signal, is configured to perform first monitoring of first data at a first node that is an observation node in the sequential logic circuit responsive to the control signal, and is configured to output a result of the first monitoring to a monitoring node.Type: ApplicationFiled: May 6, 2022Publication date: March 30, 2023Inventors: Yeon Ho Jung, Jong Wook Kye, Min Woo Kwak, Mi Joung Kim, Chan Wook Park, Do Hoon Byun, Je Kyun Ryu, Kwan Seong Lee, Jae Ho Lee, Jae Seung Choi
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Publication number: 20210085084Abstract: Disclosed is a chair seat board 100 and a chair 1000 to which a chair backboard 200 is coupled. The chair seat board 100 according to an embodiment of the present invention may comprise: a frame unit 40 having a plurality of frames (41, 42, 43, 44) configured in a hollow shape, respectively, and implemented to allow independent movement; and a support unit configured to support the frame unit 40 while being coupled to the frame unit 40 on a lower side of the frame unit 40.Type: ApplicationFiled: July 22, 2019Publication date: March 25, 2021Inventor: Chan Wook PARK
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Patent number: 10945528Abstract: Disclosed is a chair seat board (100) and a chair (1000) to which a chair backboard (200) is coupled. The chair seat board (100) may comprise: a frame unit 40 having a plurality of frames (41, 42, 43, 44) configured in a hollow shape, respectively, and implemented to allow independent movement; and a support unit configured to support the frame unit 40 while being coupled to the frame unit (40) on a lower side of the frame unit (40).Type: GrantFiled: July 22, 2019Date of Patent: March 16, 2021Inventor: Chan Wook Park
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Patent number: 10164443Abstract: Disclosed is a method of controlling frequency of a power system by which a frequency of a power system is regulated using high-speed charging and discharging characteristics of a plurality of energy storage systems (ESSs) and a battery state of charge (SOC), the method including: an operation of comparing, by a control unit, first time information and second time information and performing an exit control mode when the first time information (Before_Exit_time) is equal to or less than the second time information (After_Exit_time); an operation of determining, the control unit, an output amount for each ESS for discharging batteries using a battery discharging amount determining function (Exit_control_output( ) function) when a first parameter value (D_time) preset in the exit control mode is a positive value greater than zero and the second time information (After_Exit_time) is equal to or less than a second parameter value (Clear_time); and an operation of discharging, by the control unit, batteries until tType: GrantFiled: November 8, 2016Date of Patent: December 25, 2018Assignee: KOREA ELECTRIC POWER CORPORATIONInventors: Geon Pyo Lim, Soo Yeol Kim, Chan Wook Park, Yo Han Choi, Seung Han Kim, Doo Yong Park, Yong Beum Yoon
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Publication number: 20180131199Abstract: Disclosed is a method of controlling frequency of a power system by which a frequency of a power system is regulated using high-speed charging and discharging characteristics of a plurality of energy storage systems (ESSs) and a battery state of charge (SOC), the method including: an operation of comparing, by a control unit, first time information and second time information and performing an exit control mode when the first time information (Before_Exit_time) is equal to or less than the second time information (After_Exit_time); an operation of determining, the control unit, an output amount for each ESS for discharging batteries using a battery discharging amount determining function (Exit_control_output( ) function) when a first parameter value (D_time) preset in the exit control mode is a positive value greater than zero and the second time information (After_Exit_time) is equal to or less than a second parameter value (Clear_time); and an operation of discharging, by the control unit, batteries until tType: ApplicationFiled: November 8, 2016Publication date: May 10, 2018Inventors: Geon Pyo LIM, Soo Yeol KIM, Chan Wook PARK, Yo Han CHOI, Seung Han KIM, Doo Yong PARK, Yong Beum YOON
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Patent number: 9829952Abstract: A processor and a semiconductor device including the same are provided. The processor includes an operation unit, an operation counter which measures a first operation pattern by counting first operations of the operation unit and measures a second operation pattern by counting second operations of the operation unit which are different from the first operations, a power measurement unit which calculates power consumption of the operation unit using a first weight for the first operation pattern and a second weight for the second operation pattern, and a frequency controller which adjusts an operating frequency used for the first or second operations by using the calculated power consumption.Type: GrantFiled: September 2, 2015Date of Patent: November 28, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chan-Wook Park, Se-Ho Kim, Young-Gwan Kim, Taek-Hyun Kim, Jung-Min Oh, I-Saac Hong
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Patent number: 9753532Abstract: An image processing method includes receiving a first image rendered by a graphics processing unit (GPU) from the GPU, comparing the first image with a second image rendered by the GPU before the first image, and controlling a rendering frequency of the GPU based on a result of comparing the first image with the second image.Type: GrantFiled: July 1, 2015Date of Patent: September 5, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-Gwan Kim, Taek-Hyun Kim, Hyun-Chang Kim, Chan-Wook Park, Jung-Min Oh
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Publication number: 20160147277Abstract: A processor and a semiconductor device including the same are provided. The processor includes an operation unit, an operation counter which measures a first operation pattern by counting first operations of the operation unit and measures a second operation pattern by counting second operations of the operation unit which are different from the first operations, a power measurement unit which calculates power consumption of the operation unit using a first weight for the first operation pattern and a second weight for the second operation pattern, and a frequency controller which adjusts an operating frequency used for the first or second operations by using the calculated power consumption.Type: ApplicationFiled: September 2, 2015Publication date: May 26, 2016Inventors: CHAN-WOOK PARK, SE-HO KIM, YOUNG-GWAN KIM, TAEK-HYUN KIM, JUNG-MIN OH, I-SAAC HONG
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Publication number: 20160034021Abstract: An image processing method includes receiving a first image rendered by a graphics processing unit (GPU) from the GPU, comparing the first image with a second image rendered by the GPU before the first image, and controlling a rendering frequency of the GPU based on a result of comparing the first image with the second image.Type: ApplicationFiled: July 1, 2015Publication date: February 4, 2016Inventors: YOUNG-GWAN KIM, TAEK-HYUN KIM, HYUN-CHANG KIM, CHAN-WOOK PARK, JUNG-MIN OH
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Patent number: 9125687Abstract: According to the present invention, an amniotic fluid collector is configured so as to be inserted and positioned inside the vagina of a birthing mother in order to collect amniotic fluid from the womb of the birthing mother. In particular, the amniotic fluid collector of the present invention comprises: a receiving member, in the side of which an opening is defined, which is inserted into the vagina of the birthing mother and which has a receptacle defined therein for receiving the amniotic fluid; and a positioning portion for positioning the receiving member inside the vagina. Thus, the effects of alleviating pain and psychological anxiety of a birthing mother and eliminating the danger of the occurrence of complications can be achieved, as well as those of easily and smoothly collecting amniotic fluid from the womb of the birthing mother.Type: GrantFiled: April 5, 2011Date of Patent: September 8, 2015Assignee: SNU R&DB FOUNDATIONInventors: Bo Hyun Yoon, Chan Wook Park, Seung Mi Lee, Joong Shin Park
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Patent number: 8859216Abstract: Provided is a method for noninvasive prediction or diagnosis of inflammation and/or infection in amniotic fluid leaked through the cervix into the vagina to predict the concentration of inflammatory markers in the amniotic fluid inside uterus by measuring the concentration of inflammatory markers (various cytokines). Further provided is a method for prediction or diagnosis of inflammation and/or infection in amniotic fluid by measuring the concentration of markers (IL-6, IL-1? IL-8, MCP-1, GRO-?) in the amniotic fluid leaked through the cervix into the vagina in patients with premature rupture of membranes. The method can be performed more stably on pregnant women, as compared to the conventional method for prediction or diagnosis of inflammation and/or infection using invasively collected amniotic fluid.Type: GrantFiled: September 5, 2012Date of Patent: October 14, 2014Assignees: Snu R&DB Foundation, Ob MedInventors: Bo Hyun Yoon, Joong Shin Park, Jong Kwan Jun, Chan Wook Park
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Publication number: 20140212899Abstract: Provided is a method for noninvasive prediction or diagnosis of inflammation and/or infection in amniotic fluid leaked through the cervix into the vagina to predict the concentration of inflammatory markers in the amniotic fluid inside uterus by measuring the concentration of inflammatory markers (various cytokines). Further provided is a method for prediction or diagnosis of inflammation and/or infection in amniotic fluid by measuring the concentration of markers (IL-6, IL-1? IL-8, MCP-1, GRO-?) in the amniotic fluid leaked through the cervix into the vagina in patients with premature rupture of membranes. The method can be performed more stably on pregnant women, as compared to the conventional method for prediction or diagnosis of inflammation and/or infection using invasively collected amniotic fluid.Type: ApplicationFiled: September 5, 2012Publication date: July 31, 2014Applicants: OB MED, SNU R&DB FOUNDATIONInventors: Bo Hyun Yoon, Joong Shin Park, Jong Kwan Jun, Chan Wook Park
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Publication number: 20130030325Abstract: According to the present invention, an amniotic fluid collector is configured so as to be inserted and positioned inside the vagina of a birthing mother in order to collect amniotic fluid from the womb of the birthing mother. In particular, the amniotic fluid collector of the present invention comprises: a receiving member, in the side of which an opening is defined, which is inserted into the vagina of the birthing mother and which has a receptacle defined therein for receiving the amniotic fluid; and a positioning portion for positioning the receiving member inside the vagina. Thus, the effects of alleviating pain and psychological anxiety of a birthing mother and eliminating the danger of the occurrence of complications can be achieved, as well as those of easily and smoothly collecting amniotic fluid from the womb of the birthing mother.Type: ApplicationFiled: April 5, 2011Publication date: January 31, 2013Applicant: SNU R&DB FOUNDATIONInventors: Bo Hyun Yoon, Chan Wook Park, Seung Mi Lee, Joong Shin Park
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Patent number: D946295Type: GrantFiled: September 16, 2020Date of Patent: March 22, 2022Inventor: Chan Wook Park