Abstract: According to embodiments, in an interrupt request processing device including one or more peripheral devices, one or more processor interfaces, and one or more processors, when an interrupt request (IRQ) is generated, the peripheral device generates a packet and transmit the packet to the processor interface via an on-chip network, the processor interface receives and decodes the packet to transmit the IRQ signal to the processor, and receives an interrupt vector generated from the processor to transmit an initial instruction corresponding to an activated interrupt request may transmit to the processor, and the processor outputs the interrupt vector in response to the IRQ signal and executes a corresponding interrupt service routine (ISR).
Type:
Application
Filed:
January 7, 2021
Publication date:
July 7, 2022
Applicant:
Foundation of Soongsil University-Industry Cooperation
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
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
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
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
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
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
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
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
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
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
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
Abstract: Provided is a method of application security vulnerability evaluation based on tree boosting and a readable medium and an apparatus for performing the same. The method of application security vulnerability evaluation based on tree boosting includes the step of generating an API classifier which classifies an input API as benign or malicious using a tree boosting-based algorithm, the step of calculating security vulnerability score of API using the API classifier, and the step of classifying a target application as a malicious application or a benign application according to the security vulnerability score of API used in the target application.
Type:
Grant
Filed:
July 31, 2019
Date of Patent:
October 6, 2020
Assignee:
Foundation of Soongsil University-Industry Cooperation
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:
Application
Filed:
November 22, 2018
Publication date:
March 19, 2020
Applicant:
Foundation of Soongsil University-Industry Cooperation
Inventors:
Jeong Hyun YI, Jongsu LIM, Sun Jun LEE, Yong Gu SHIN, Kyu Ho KIM
Abstract: A 3D printer has a dual stage structure and includes: a frame; an extrusion unit having a nozzle configured to extrude a raw material; a stacking base unit positioned under the extrusion unit and configured to receive the raw material on a surface thereof so that an object is formed in a layer-by-layer manner on the surface; and a cutting unit positioned between the stacking base unit and the extrusion unit and configured to grind or cut the object formed on the surface of the stacking base unit, wherein the frame is configured to be connected to outer sides of the stacking base unit, the extrusion unit, and the cutting unit, the stacking base unit and the cutting unit are configured to be vertically movable along the frame, and the nozzle is configured to be movable on a plane.
Type:
Grant
Filed:
March 6, 2018
Date of Patent:
January 28, 2020
Assignee:
Foundation of Soongsil University-Industry Cooperation
Abstract: A 3D printer has a dual stage structure and includes: a frame; an extrusion unit having a nozzle configured to extrude a raw material; a stacking base unit positioned under the extrusion unit and configured to receive the raw material on a surface thereof so that an object is formed in a layer-by-layer manner on the surface; and a cutting unit positioned between the stacking base unit and the extrusion unit and configured to grind or cut the object formed on the surface of the stacking base unit, wherein the frame is configured to be connected to outer sides of the stacking base unit, the extrusion unit, and the cutting unit, the stacking base unit and the cutting unit are configured to be vertically movable along the frame, and the nozzle is configured to be movable on a plane.
Type:
Grant
Filed:
March 6, 2018
Date of Patent:
January 28, 2020
Assignee:
Foundation of Soongsil University-Industry Cooperation
Abstract: Provided is an opportunistic forwarding method and apparatus for a content-based information centric network in a delay tolerant network environment. The opportunistic forwarding method for a content-based information centric network in a delay tolerant network environment having a processor and a memory includes when a first node contacts a second node, updating a first delivery predictability and a second delivery predictability of the first node based on contact record information between the first node and the second node and data that the second node has, updating a first message of the first node by comparing the first message including first interest information and first data that the first node has with a second message including second interest information and second data that the second node has, and delivering the first message of the first node to the second node based on the first and second delivery predictabilities of the first node.
Type:
Grant
Filed:
February 13, 2018
Date of Patent:
January 7, 2020
Assignee:
Foundation of Soongsil University-Industry Cooperation
Inventors:
Yun Won Chung, Younghan Kim, Min Wook Kang
Abstract: A system for running a Linux based Android container platform with a processor and a memory is disclosed. The system includes a Linux host, an Android container which runs on the Linux host, and an integrated security module including a Linux security module having a Linux policy of a process running on the Linux host, and an Android security module having an Android policy of a process running on the Android container. The integrated security module is mounted in a directory shared between the Linux host and the Android container and the integrated security module overwrites a pre-existing Linux security module.
Type:
Grant
Filed:
December 7, 2017
Date of Patent:
November 19, 2019
Assignee:
Foundation of Soongsil University-Industry Cooperation
Abstract: An electrical discharge machining device for processing a workpiece by electrical discharges generated between a tool and the workpiece is provided. The electrical discharge machining device includes an electric discharger applying electric power to the tool and the workpiece to process the workpiece, and a vibration generator applying a vibration to the tool or the workpiece using a first voltage generated between the tool and the workpiece during a time when the workpiece is processed.
Type:
Grant
Filed:
October 12, 2016
Date of Patent:
November 12, 2019
Assignee:
Foundation of Soongsil University-Industry Cooperation