Patents Assigned to Foundation of Soongsil University-Industry Cooperation
  • Patent number: 11362730
    Abstract: A method of operating a repeater comprises selecting some of adaptive filter coefficients among a plurality of adaptive filter coefficients of an adaptive filter used for interference cancellation, based on the size of a coefficient, generating a predicted interference signal using the selected adaptive filter coefficients and generating an interference-canceled communication signal from a received signal using the generated predicted interference signal.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: June 14, 2022
    Assignees: SOLiD, INC., FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Nagwon Kwon, Hyunchae Kim, Chonghoon Kim, Seungmo Hong, Sungbin Im
  • Publication number: 20220159021
    Abstract: An anomaly detection method includes searching for one principal component axis by analyzing a normal data set collected in time series from a plurality of IoT devices by using a principal component analysis technique, setting a center point of the principal component, receiving a currently measured measurement data set from the plurality of IoT devices, acquiring a linear transformation data set having a plurality of projection points as elements by projecting a plurality of measurement data which is each element in the measurement data set onto the principal component axis, calculating a Mahalanobis distance between the projection point and the central point, and detecting whether or not data of the IoT devices is abnormal by comparing the Mahalanobis distance calculated for each element with a threshold.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 19, 2022
    Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Minhae KWON, Hyoseon KYE
  • Publication number: 20220143511
    Abstract: Disclosed are a method for changing a game parameter and a client for performing same. The client comprises: a processor for executing a game program; and a transceiver for communicating with a blockchain node of a blockchain network storing a first blockchain, wherein the processor may authenticate a user account and perform a first event of the game program accessed by the user account, the transceiver may transmit, to the blockchain node, a completion signal of the first event including information about the client when the first event is completed and receive, from the blockchain node, a request signal for generating a second event, the processor may generate the second event on the basis of the request signal for generating the second event, and the transceiver may transmit, to the blockchain node, information about the second event.
    Type: Application
    Filed: December 27, 2019
    Publication date: May 12, 2022
    Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Hyeon Suk Na, Min Gyu Jeon, Chi Yeon Hwang
  • Patent number: 11321622
    Abstract: A terminal device for generating user behavior data, a method for generating user behavior data, and a recording medium are provided. The disclosed terminal device may include a memory unit storing instructions readable by a computer; and a processor unit implemented to execute the instructions, where the processor unit may compute a probability distribution model for achieving the intentions of a user by using raw data related to time-dependent actions of the user and may generate user behavior data by using the probability distribution model, with the user behavior data comprising time series data in which multiple actions composing the intentions of the user are aligned in order.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 3, 2022
    Assignee: FOUNDATION OF SOONGSIL UNIVERSITY INDUSTRY COOPERATION
    Inventors: Young Tack Park, Myung Joong Jeon, Seok Hyun Bae, Je Min Kim, Hyun Kyu Park, Sung Hyuk Bang
  • Publication number: 20220112604
    Abstract: The present invention relates to a composition for electroless platinum plating and an electroless platinum plating method using the same, wherein it is possible to easily and safely produce a uniformly dispersed platinum thin film without expensive additional equipment by performing electroless platinum plating with a composition for electroless platinum plating containing an alcohol, an aqueous solution of a platinum chloride compound, and an aqueous solution of a basic compound.
    Type: Application
    Filed: September 16, 2021
    Publication date: April 14, 2022
    Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Kuan Soo SHIN, Jeong Hei CHOI, Yoon Kyung JUNG, Min Young CHO
  • Patent number: 11287343
    Abstract: A pressure sensor having unevenness and a manufacturing method therefor are disclosed. The disclosed pressure sensor senses pressure in a vertical direction and includes a first pressure sensor unit and a second pressure sensor unit, wherein the first pressure sensor unit and the second pressure sensor unit are stacked, and unevenness is formed on the upper surface of the first pressure sensor unit and on the lower surface of the second pressure sensor unit.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: March 29, 2022
    Assignee: FOUNDATION OF SOONGSIL UNIVERSITY INDUSTRY COOPERATION
    Inventors: Joo Yong Kim, Min Ki Choi
  • Patent number: 11209502
    Abstract: A method for object position estimation based on a magnetic field using an underwater sensor network, includes: step of receiving a magnetic field signal that is emitted from an underwater moving object using an underwater sensor network which is configured with a plurality of magnetic field sensors in the water; step of extracting an induced magnetic field signal by removing a geomagnetic field and a noise signal from the received magnetic field signal; step of determining whether or not the moving object enters the underwater sensor network using the induced magnetic field signal; and step of estimating a position of the object using position information of the plurality of sensors that sense the object if it is determined that the object enters the underwater sensor network.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 28, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Yo An Shin, Kwang Yul Kim
  • Patent number: 11138431
    Abstract: Provided are a method of judgment for in or out, and a recording medium and an apparatus for performing the same. The method performed by the apparatus for judging whether an object landed inside or outside of a line, includes: capturing a sport environment image provided with the line according to a preset rule, wherein the sport environment image includes an audio signal and an image signal; separating the audio signal and the image signal included in the sport environment image; detecting the line by analyzing the image signal; detecting a landing point-in-time of the object by analyzing each of the audio signal and the image signal; and judging whether the object landed inside or outside of the line by comparing the line with a location of the object at the landing point-in-time of the object.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: October 5, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Gyeyoung Kim, Man Ki Kim
  • Patent number: 11132440
    Abstract: Provided is a hybrid trusted execution environment based android security framework, an android device equipped with the same and a method of executing a trusted service in the android device. The hybrid trusted execution environment based android security framework includes a hardware resource that comprises a rich execution environment (REE) where an android operating system (OS) runs, and a secure container which implements a virtualized trusted execution environment (VTEE) that processes a security task in the rich execution environment (REE) when an application running on the rich execution environment requests the security task.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: September 28, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Souhwan Jung, Jaehyeon Yoon, Ngoc-Tu Chau
  • Publication number: 20210289907
    Abstract: Provided is a cordless hair dryer. The cordless hair dryer includes a housing including a body part gripped by a user and a head part having a blower tube therein, a battery disposed inside the body part, a blower fan disposed in one end of the head part, a support which is inserted into the other end of the head part and fixed to an inner side of the blower tube, and a planar heating element which is formed as a carbon nanotube sheet and disposed on the support to receive power from the battery.
    Type: Application
    Filed: November 7, 2019
    Publication date: September 23, 2021
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Young Jin JEONG, Jae Woo CHUNG, Hyeon Jun SONG
  • Patent number: 11056650
    Abstract: The present disclosure provides a quantum dot thin film that is formed by cross-linking ligands of quantum dots with a photo cross-linker containing two or more azide groups. According to still another aspect of the present disclosure, a method for forming a quantum dot pattern includes: forming a quantum dot layer on a substrate by coating the substrate with a solution including quantum dots and a photo cross-linker containing two or more azide groups; placing a mask having a pattern on the quantum dot layer and performing UV exposure on the quantum dot layer; and forming a quantum dot pattern by removing a non-exposed region of the quantum dot layer.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: July 6, 2021
    Assignees: Foundation of Soongsil University-Industry Cooperation, Sogang University Research & Business Development Foundation
    Inventors: Moon Sung Kang, Jeong Ho Cho, Jee Hye Yang
  • Patent number: 11036917
    Abstract: An apparatus and method for generating font by means of METAFONT by using outline font are disclosed. The disclosed method for creating a Metafont font may be performed at an apparatus that includes a processor, where the method may include: (a) creating an intermediate code by adding an attribute for Metafont to a code of an outline font written in XML; and (b) creating the Metafont font by using information of points obtained by parsing the intermediate code.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: June 15, 2021
    Assignee: FOUNDATION OF SOONGSIL UNIVERSITY INDUSTRY COOPERATION
    Inventors: Jaeyoung Choi, Geunho Jeong
  • Publication number: 20210169195
    Abstract: A high-efficiency cordless hair dryer according to an exemplary embodiment of the present invention may include: a main body housing having, at a rear side thereof, an air inlet port through which air is introduced, having, at a front side thereof, a discharge port through which the air is discharged, and having an internal space in which a heating element is mounted; and a power supply module configured to supply power and detachably coupled to the rear side of the main body housing at which the air inlet port is formed, in which the power supply module is detachably coupled to the main body housing so as to be coincident with a direction of a flow of air in the main body housing.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 10, 2021
    Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Young Jin JEONG, Hyeon Jun SONG
  • Patent number: 11019099
    Abstract: Provided is a method of application malware detection based on dynamic Application Programming Interface (API) extraction, and a readable medium and an apparatus for performing the same. The method of application malware detection based on dynamic API extraction includes generating an API classifier which classifies an input API as malicious or benign using API used in a sample application classified as malicious application apps or benign application apps, and inputting a pre-stored target API into the API classifier to classify the target API as malicious or benign.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: May 25, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Jeong Hyun Yi, Kichang Kim
  • Patent number: 11018501
    Abstract: A directional overcurrent relay using a superconducting fault current limiter voltage as a relay element includes: a current measuring circuit measuring a current of a line connected from a system power source to a load, a voltage measuring circuit measuring a voltage at both ends of a superconducting fault current limiter connected to the line, and a correcting circuit correcting a tripping time Ttrip by using a fault current If that is the current of the line and a superconducting fault current limiter voltage VSFCL that is the voltage at both ends of the superconducting fault current limiter and the tripping time Ttrip is maintained consistently regardless of whether the superconducting fault current limiter operates or not.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: May 25, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Sung Hun Lim, Seung Taek Lim
  • Publication number: 20210141875
    Abstract: A device for automatically identifying anti-analysis techniques by using the signature extraction, includes an extraction unit which extracts a DEX file and an ELF file from an application file after unpacking the application file, which is in an APK format and includes compressed execution code to be executed on Android, a detection unit which receives the acquired signature classified according to types of the signature, analytically compares the input signature with the signature stored in a database, and detects the signature used in anti-analysis techniques, and a determination unit which determines according to the detected signature what anti-analysis technique is applied to the application. According to the present invention, it is possible to enable an appropriate and quick response to damages due to malicious applications by shortening the time required for analysis and automatically recognizing the application to which the anti-analysis technique is applied.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 13, 2021
    Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Jeong Hyun YI, Min Koo KANG
  • Patent number: 11001676
    Abstract: Disclosed are a supramolecular structure including a plurality of first oligomers having a zwitterion at the terminal end and a plurality of second oligomers having a hydrogen-bondable functional group at the terminal end, wherein a supramolecule including the plurality of first oligomers and a supramolecule including the plurality of second oligomers form a three-dimensional network structure, and a method of manufacturing the same, a self-healing elastomer, a self-healing film, and an electronic device.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: May 11, 2021
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Jae Woo Chung, Junhaeng Lee, Seayoung Lim, Sunghoon Jung, Yong Chae Jung, Seokhoon Ahn
  • Patent number: 11002795
    Abstract: Provided is a charger with a battery diagnosis function and a control method thereof. The charger with a battery diagnosis function includes a DC-DC converter configured to operate in a charging mode to charge a battery or to operate in a diagnosing mode to apply a perturbation voltage to the battery when the battery is fully charged, and a digital signal processor configured to calculate an equivalent circuit model parameter of the battery according to an output response of the battery with respect to the perturbation voltage, to calculate a charging/discharging frequency of the battery by using an ohmic resistance value among the equivalent circuit model parameter of the battery, and to calculate a residual equivalent capacity of the battery by using the charging/discharging frequency of the battery.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: May 11, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Woo Jin Choi, Duck Min Kim
  • Patent number: 10998768
    Abstract: Provided is a resonance converter for a wireless charger, which includes a full bridge inverter connected to an input power source that supplies an input voltage and having first to fourth switches, a resonance tank having a plurality of resonators composed of capacitors and coils connected in series and configured to receive the input voltage from the full bridge inverter and perform voltage conversion in an inductive power transfer manner among the plurality of resonators, and a rectification bridge configured to rectify an output voltage sent from the resonance tank and transfer the rectified output voltage to a battery.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: May 4, 2021
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Woojin Choi, Hung Tran Duc
  • Patent number: 10991894
    Abstract: Disclosed are an organic semiconductor compound that exhibits chemical resistance and etch resistance while maintaining electrical characteristics and thus is applicable to an existing photolithography process, thereby increasing process efficiency, and an organic semiconductor device using the same.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: April 27, 2021
    Assignees: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Do Hwan Kim, Hojin Lee, Han Wool Park, Keun-Yeong Choi, Moon Sung Kang, Haejung Hwang, Ji Hye Shin