Patents Assigned to Foundation of Soongsil University-Industry Cooperation
  • 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
  • Publication number: 20210120095
    Abstract: The present disclosure provides a method for processing data by an edge node including: receiving a data request from an application; confirming whether first data corresponding to the data request is included in a content storage of the edge node; confirming whether there is second data having a correlation with the first data which is equal to or higher than a predetermined threshold value based on a previously stored mapping table when the first data is not included in the content storage of the edge node; and transmitting the second data to the application when there is the second data having the correlation with the first data which is equal to or higher than the threshold value.
    Type: Application
    Filed: February 24, 2020
    Publication date: April 22, 2021
    Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Young Han KIM, Ngoc Thanh DINH
  • Publication number: 20210064935
    Abstract: A triple verification method is provided.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 4, 2021
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Young Tack PARK, Jagvaral BATSELEM, Wan Gon LEE
  • Publication number: 20210058878
    Abstract: Provided are a synchronization signal detection method performed by a receiver including a processor and a memory, the synchronization signal detection method comprises calculating a PSS correlation value for a primary synchronization signal (PSS) included in a received signal, detecting a frequency offset for the PSS and a timing offset for sampling timing of the received signal and detecting the PSS based on the PSS correlation value, the frequency offset, and the timing offset.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 25, 2021
    Applicants: SOLiD, INC., FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Nagwon KWON, Hyunchae KIM, Chonghoon KIM
  • Publication number: 20210050909
    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: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Applicants: SOLiD, INC., FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Nagwon KWON, Hyunchae KIM, Chonghoon KIM, Seungmo HONG, Sungbin IM
  • Publication number: 20210050908
    Abstract: A method of operating a TDD-based interference cancellation repeater, the method comprises setting a compensation gain of a gain compensator differently in an uplink communication period and a downlink communication period, setting an optimal coefficient of an adaptive filter in the uplink communication period and an optimal coefficient of the adaptive filter in the downlink communication period the same, based on the set compensation gain of the gain compensator and removing an interference signal in the uplink communication period or the downlink communication period according to the set optimal coefficient of the adaptive filter.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Applicants: SOLiD, INC., FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Nagwon KWON, HyunChae KIM, Chonghoon KIM
  • Patent number: 10878086
    Abstract: A dynamic code extraction-based automatic anti-analysis evasion and code logic analysis apparatus, includes: a recognition module that extracts a DEX file and a SO file by unpacking an execution code of an application and recognizes an analysis avoidance technique by comparing a signature which is included in the extracted DEX file and SO file; a instrumentation module that extracts a code to be analyzed from a byte code configuring the DEX file and a native code configuring the SO file, compares the extracted code with the data stored in a database, and outputs a code excluding an anti-analysis technique as a log file; and a deobfuscation module that deobfuscates an obfuscated code which is included in the APK on the basis of the output log file and generates an APK file in which an obfuscation technique is released on the basis of the deobfuscated code.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: December 29, 2020
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Jeong Hyun Yi, Jongsu Lim, Sun Jun Lee, Yong Gu Shin, Kyu Ho Kim
  • Patent number: 10833555
    Abstract: A rotary motor capable of reducing repulsive force is disclosed. The rotary motor comprises a housing, a stator located in the housing and configured to have a shape of a cylinder on which a central part is penetrated, and a rotator configured to rotate in the stator. Here, the stator rotates clockwise or counterclockwise.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: November 10, 2020
    Assignee: FOUNDATION OF SOONGSIL UNIVERSITY INDUSTRY COOPERATION
    Inventor: Hyeong Joon Ahn
  • Patent number: 10826797
    Abstract: A system and method for processing network packets based on NFV for ensuring high availability are disclosed. The disclosed system may include: at least one server, where a multiple number of VNF's for performing particular service functions are formed in the at least one server, each of the VNF's including at least one VNF instance; and a control apparatus that sequentially selects an M number of VNF's and selects one VNF instance from each of the selected M number of VNF's to configure an SFC, where the control apparatus may calculate an availability cost ratio value associated with each of the at least one VNF instance within VNF i+1 with respect to a VNF instance selected from VNF i (i being an integer from 1 to M) and may select a VNF instance within the VNF i+1 corresponding to the maximum value among the availability cost ratio values.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 3, 2020
    Assignee: FOUNDATION OF SOONGSIL UNIVERSITY INDUSTRY COOPERATION
    Inventors: Young Han Kim, Dinh Ngoc Thanh
  • Patent number: 10798013
    Abstract: Provided is a method of data caching in delay tolerant network based on information centric network and a recording medium and a device for performing the same. The data caching method includes: the step of checking a remaining buffer amount and a buffer usage amount of node, the step of caching data in the node which is received from another node according to a data caching policy, in case remaining buffer amount of the node is greater than a preset remaining buffer amount threshold, the step of deleting data cached in the node from the node according to a data deletion policy, in case the buffer usage amount of the node is less than a preset buffer usage amount threshold, and the step of setting an initial Time-to-Live (TTL) value of the data received from another node or updating a TTL of the data cached in the node using information of the data received from another node or information of the node.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 6, 2020
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Yun Won Chung, Min Wook Kang