Patents by Inventor Young-Su Cho
Young-Su Cho 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: 20240163139Abstract: Disclosed herein is an apparatus for receiving data from memory. The apparatus receives a data signal and a clock signal output from memory and includes a Decision Feedback Equalizer (DFE) including two or more differential signal path units configured to determine and output an output value corresponding to the data signal. Each of the two or more differential signal path units may determine a current output value by reflecting a previous output value fed back from a different one of the two or more differential signal path units in such a way that they operate at different clocks, and may include an offset control unit configured to adjust an offset at an input stage and a feedback control unit configured to change a load of an output stage using the previous output value fed back from the different one of the two or more differential signal path units.Type: ApplicationFiled: November 10, 2023Publication date: May 16, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Young-deuk JEON, Young-Su KWON, Yi-Gyeong KIM, Su-Jin PARK, Min-Hyung CHO, Jae-Woong CHOI
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Publication number: 20240145790Abstract: A button-type secondary battery includes a lower can having a bottom surface; an upper can having a top, the upper can and the lower can being coupled to define a space therein; an electrolyte in the space; an electrode assembly in the space and including a negative electrode, a separator, and a positive electrode wound together; a gasket between the upper can and the lower can to electrically insulate the upper and lower cans; a top insulator that is electrically insulating and covering a top surface of the electrode assembly; and a bottom insulator that is electrically insulating and covering a bottom surface of the electrode assembly. The top and bottom insulators are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one of the top insulator and the bottom insulator are coated with a protective layer to prevent thermal shrinkage from occurring.Type: ApplicationFiled: October 14, 2022Publication date: May 2, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Yeong Hun JUNG, Young Ji TAE, Joo Hwan SUNG, Min Su CHO, Geun Young PARK, Min Gyu KIM, Min Seon KIM, Sang Hak CHAE, Min Young JU
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Publication number: 20240128554Abstract: A button type secondary battery includes a wound electrode assembly; a lower can with the electrode assembly and an electrolyte in the lower can; a top plate to close the lower can; a positive electrode terminal coupled to the top plate through a gasket to be electrically insulated from the top plate with a portion of the positive electrode terminal passing through a hole in the top plate to be bonded to a positive electrode tab; a top insulator covering a top surface of the electrode assembly; and a bottom insulator covering a bottom surface of the electrode assembly. The top insulator and the bottom insulator are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one or more of the top insulator and the bottom insulator are coated with a protective layer configured to prevent thermal shrinkage from occurring.Type: ApplicationFiled: October 14, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Yeong Hun JUNG, Young Ji TAE, Joo Hwan SUNG, Min Su CHO, Geun Young PARK, Min Gyu KIM, Min Seon KIM, Sang Hak CHAE, Min Young JU
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Publication number: 20230413390Abstract: This invention relates to functional composites that consist of an insulator and other functional elements associated with it. Specifically, this invention is relevant to functional composites that consist of an aerogel insulator and a functional heating element to increase thermal efficiency while supplying heat to the targeted object and keeping it warm.Type: ApplicationFiled: November 18, 2020Publication date: December 21, 2023Applicant: NDT ENGINEERING & AEROSPACE CO., LTD.Inventors: Ki Hyun LIM, Young Su CHO, Chi Woo NOH
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Patent number: 11803580Abstract: Disclosed herein are an apparatus and method for positioning of uncollected points based on machine learning using matching wireless communication infrastructure points. The apparatus includes memory in which at least one program according to an embodiment is recorded and a processor for executing the program. The program may compare collected data acquired from wireless communication infrastructure with positioning data measured by a positioning target terminal and thereby extract matching feature points; create a fingerprint database of global grid cells, including uncollected points, for the extracted feature points in real time; and estimate the optimal composite location of the positioning target terminal based on the created fingerprint database.Type: GrantFiled: November 18, 2021Date of Patent: October 31, 2023Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Young-Su Cho, Ju-Il Jeon, Myung-In Ji
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Publication number: 20230314551Abstract: Provided is a technology for operating a radio signal positioning database for object position tracking or search. Specifically, provided is a positioning database computing method and apparatus for generating and updating positioning data constituting a radio positioning database. The positioning database computing method includes comparing collected data received from a collection apparatus with positioning data in an existing positioning database to determine similarity therebetween, updating the existing positioning database using the collected data, upon determining that the data is similar as a result of comparison, and generating positioning data in the positioning database using the collected data, upon determining that the data is not similar as the result of comparison. Therefore, it is possible to gradually update the positioning DB even with partial collected data collected newly, so that it is possible to effectively manage the positioning DB reflecting the latest positioning environment.Type: ApplicationFiled: November 16, 2022Publication date: October 5, 2023Inventors: Myung In JI, Young Su CHO, Ju Il JEON, Kyeong Soo HAN
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Patent number: 11621791Abstract: Disclosed herein are an apparatus and method for precise positioning based on deep learning. The method performed by the apparatus includes setting a collection location and a collection environment, collecting wireless signal data based on the collection location and the collection environment, generating a magnitude map image for training from the wireless signal data, and generating a positioning DB model by learning the image characteristics of the magnitude map image for training through deep-learning-based training.Type: GrantFiled: May 28, 2021Date of Patent: April 4, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Ju-Il Jeon, Young-Su Cho, Myung-In Ji
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Publication number: 20220374458Abstract: Disclosed herein are an apparatus and method for positioning of uncollected points based on machine learning using matching wireless communication infrastructure points. The apparatus includes memory in which at least one program according to an embodiment is recorded and a processor for executing the program. The program may compare collected data acquired from wireless communication infrastructure with positioning data measured by a positioning target terminal and thereby extract matching feature points; create a fingerprint database of global grid cells, including uncollected points, for the extracted feature points in real time; and estimate the optimal composite location of the positioning target terminal based on the created fingerprint database.Type: ApplicationFiled: November 18, 2021Publication date: November 24, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Young-Su CHO, Ju-Il JEON, Myung-In JI
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Patent number: 11290976Abstract: Disclosed herein are an apparatus and method for estimating an indoor location based on packet capture. The method for operating an apparatus for estimating an indoor location based on packet capture includes receiving packet capture information from multiple packet-collection-dedicated access points, searching a positioning infrastructure database for positioning data corresponding to the received packet capture information, and estimating a movement direction of a terminal using found positioning data.Type: GrantFiled: April 20, 2020Date of Patent: March 29, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Myung-In Ji, Young-Su Cho
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Publication number: 20220006543Abstract: Disclosed herein are an apparatus and method for precise positioning based on deep learning. The method performed by the apparatus includes setting a collection location and a collection environment, collecting wireless signal data based on the collection location and the collection environment, generating a magnitude map image for training from the wireless signal data, and generating a positioning DB model by learning the image characteristics of the magnitude map image for training through deep-learning-based training.Type: ApplicationFiled: May 28, 2021Publication date: January 6, 2022Applicant: Electronics and Telecommunications Research InstituteInventors: Ju-Il JEON, Young-Su CHO, Myung-In JI
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Patent number: 11029169Abstract: Disclosed herein are a navigation service method for providing unusable route information related to an emergency area and a server apparatus therefor. The navigation service method includes constructing an emergency area resource including unusable route information related to an emergency area; and receiving trip parameters from multiple applications and transmitting a link, through which the emergency area resource is accessible, to an application, the trip parameter of which includes a request to provide unusable route information related to an emergency area, wherein transmitting the link is configured to transmit a link, through which the same emergency area resource is accessible, to applications that request provision of unusable route information related to the same emergency area.Type: GrantFiled: October 30, 2018Date of Patent: June 8, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Hyuk Choi, Young-Su Cho
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Patent number: 10885071Abstract: An apparatus for creating a link-type grid fingerprint database includes a collected data processing unit for receiving positioning resource information collected from a link, which represents a path along which a pedestrian can move in an indoor space, and storing the positioning resource information in a collection DB, and a database creation unit for creating a link-type fingerprint database based on the positioning resource information and information about the link, stored in the collection DB, and storing the created link-type grid fingerprint database in a positioning DB.Type: GrantFiled: May 13, 2016Date of Patent: January 5, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joo-Young Kim, Myung-In Ji, Ju-Il Jeon, Young-Su Cho
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Publication number: 20200367192Abstract: Disclosed herein are an apparatus and method for estimating an indoor location based on packet capture. The method for operating an apparatus for estimating an indoor location based on packet capture includes receiving packet capture information from multiple packet-collection-dedicated access points, searching a positioning infrastructure database for positioning data corresponding to the received packet capture information, and estimating a movement direction of a terminal using found positioning data.Type: ApplicationFiled: April 20, 2020Publication date: November 19, 2020Inventors: Myung-In JI, Young-Su CHO
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Patent number: 10805766Abstract: Disclosed herein are a mobile-communication-based navigation service method for supporting emergency rescue and a service server using the method. The present invention relates to provision of an interactive navigation service between a rescuer and a person who needs to be rescued in a mobile-communication-based navigation service method for supporting emergency rescue.Type: GrantFiled: October 31, 2018Date of Patent: October 13, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Hyuk Choi, Joo-Young Kim, Young-Su Cho, Myung-In Ji
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Publication number: 20190313719Abstract: Provided are an insulation fabric, an insulation product, and a manufacturing method and a manufacturing device therefor. The insulation fabric includes unit cells made by cutting an insulation layer or laminated unit cells made by cutting the insulation layer and laminating the cut insulation layer with lamination sheets to prevent fine particles from passing therethrough, the unit cells or the laminated unit cells being spaced from each other; and outer cover clothes or sheets covered on tops and undersides of the unit cells or the laminated unit cells. Sections on which the outer cover clothes or sheets are laminated, without any insulation layer, are formed between the unit cells or the laminated unit cells. On the sections, the outer cover clothes or sheets come into close contact with each other to divide unit cell spaces for covering the unit cells or the laminated unit cells.Type: ApplicationFiled: October 23, 2017Publication date: October 17, 2019Inventors: Youn Su JO, Young Su CHO
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Patent number: 10390179Abstract: Disclosed herein are a user-participation data selection apparatus and method for updating a positioning infrastructure DB. The user user-participation data selection apparatus includes a data communication unit for transmitting and receiving user-participation data, a movement path reconstruction unit for reconstructing an entire information movement path corresponding to the user-participation data using all information included in the user-participation data, a reliability calculation unit for calculating reliability corresponding to the entire information movement path, and a data selection unit for selecting update-use data for updating a positioning infrastructure DB based on the reliability.Type: GrantFiled: August 11, 2017Date of Patent: August 20, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Myung-In Ji, Young-Su Cho, Joo-Young Kim, Ju-Il Jeon, Sang-Joon Park
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Publication number: 20190128688Abstract: Disclosed herein are a navigation service method for providing unusable route information related to a emergency area and a server apparatus therefor. The navigation service method includes constructing a emergency area resource including unusable route information related to a emergency area; and receiving trip parameters from multiple applications and transmitting a link, through which the emergency area resource is accessible, to an application, the trip parameter of which includes a request to provide unusable route information related to a emergency area, wherein transmitting the link is configured to transmit a link, through which the same emergency area resource is accessible, to applications that request provision of unusable route information related to the same emergency area.Type: ApplicationFiled: October 30, 2018Publication date: May 2, 2019Applicant: Electronics and Telecommunications Research InstituteInventors: Jae-Hyuk CHOI, Young-Su CHO
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Publication number: 20190132701Abstract: Disclosed herein are a mobile-communication-based navigation service method for supporting emergency rescue and a service server using the method. The present invention relates to provision of an interactive navigation service between a rescuer and a person who needs to be rescued in a mobile-communication-based navigation service method for supporting emergency rescue.Type: ApplicationFiled: October 31, 2018Publication date: May 2, 2019Applicant: Electronics and Telecommunications Research InstituteInventors: Jae-Hyuk CHOI, Joo-Young KIM, Young-Su CHO, Myung-In JI
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Patent number: 10123176Abstract: Disclosed herein are a location estimation apparatus and method using a combination of different positioning resources. The location estimation apparatus includes a motion model generation unit for generating a motion model corresponding to a state variable of a terminal based on a current time, a weight calculation unit for extracting a dynamic location database (DB) from a location DB based on multiple pieces of measurement information received from the terminal, and calculating a weight proportional to a likelihood of the multiple pieces of measurement information based on the dynamic location DB, and a location estimation unit for estimating a location and direction of the terminal by applying the weight to at least one sample value corresponding to the motion model.Type: GrantFiled: January 9, 2017Date of Patent: November 6, 2018Assignee: Electronics and Telecommunications Research InstituteInventors: Young-Su Cho, Joo-Young Kim, Ju-Il Jeon, Myung-In Ji
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Publication number: 20180262881Abstract: Disclosed herein are a user-participation data selection apparatus and method for updating a positioning infrastructure DB. The user user-participation data selection apparatus includes a data communication unit for transmitting and receiving user-participation data, a movement path reconstruction unit for reconstructing an entire information movement path corresponding to the user-participation data using all information included in the user-participation data, a reliability calculation unit for calculating reliability corresponding to the entire information movement path, and a data selection unit for selecting update-use data for updating a positioning infrastructure DB based on the reliability.Type: ApplicationFiled: August 11, 2017Publication date: September 13, 2018Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Myung-In JI, Young-Su CHO, Joo-Young KIM, Ju-ll JEON, Sang-Joon PARK