Patents Assigned to UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
  • Publication number: 20230178730
    Abstract: The present invention provides a lithium-rich secondary battery having high-capacity/high-stability, which can stabilize an irreversible extraction reaction of oxygen in which the oxygen is excessively oxidized between initial charge and discharge to become a gas, while simultaneously preventing deterioration in structural stability without requiring additional chemical composition control or heterogeneous element substitution, and a manufacturing method thereof.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 8, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Seong-Ju HWANG, Tae-Ha GU
  • Publication number: 20230170888
    Abstract: A broadband impulse generator includes a first delay line and a second delay line that receive an input signal and include a plurality of delay elements connected in series with each other, an oscillation signal generator that generates an oscillation signal having a certain number of pulses during a target impulse duration based on the input signal and an output signal of the first delay line, an envelope signal generator that generates a plurality of envelope signals having a delay duration with each other and having a certain voltage level during the target impulse duration, based on the input signal and an output signal of the second delay line, and an impulse signal generator that generates an impulse signal having the certain number of pulses during the target impulse duration based on the plurality of impulse signals and the oscillation signal.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 1, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Tae Wook Kim, Junyoung Jang
  • Publication number: 20230170932
    Abstract: An impulse wireless communication system includes an oscillation signal generator that generates a plurality of oscillation signals having a delay interval with each other and having the same phase and amplitude or different phases and amplitudes, an envelope signal generator that extracts a sync signal and a data signal making up communication signal data and generates an envelope signal for the sync signal and an envelope signal for the data signal, a signal synthesizer that synthesizes the plurality of oscillation signals with the envelope signals, an envelope signal extractor that extracts a plurality of modulation envelope signals from the impulse signal, an amplitude phase determiner that determines the phase and the amplitude in the plurality of modulation envelope signals based on the plurality of oscillation signals, and a calculator that extracts the envelope signals from the plurality of modulation envelope signals based on the phase and the amplitude.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 1, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Tae Wook Kim, Junyoung Jang
  • Patent number: 11656491
    Abstract: Disclosed are a temperature control method of an optical modulator and an apparatus therefore. The temperature control apparatus of an optical modulator according to an exemplary embodiment of the present disclosure is to provide a temperature control method of an optical modulator which performs a calibration mode to select a heater control voltage with a maximum optical modulation amplitude (OMA) while adjusting a heater control voltage which drives a heater of the optical modulator, stores a reference temperature measurement code based on a measured temperature value of the optical modulator while driving the heater at a selected heater control voltage, and performs a lock mode which controls a temperature of the optical modulator by changing the heater control voltage using the reference temperature measurement code after stopping the optical modulation amplitude detecting operation and an apparatus therefor.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: May 23, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Woo Young Choi, Min Kyu Kim, Min Hyeong Kim
  • Publication number: 20230129263
    Abstract: A multi-level transferable region-based domain adaptive object detection apparatus includes: an image-level feature part that extracts an image-level feature by providing unlabeled target data to a plurality of convolutional layers; an RPN-level feature part that determines region candidates by providing the image-level feature to a region proposal network (RPN) and performing RPN-level domain adaptation and transferable region filtering; and an instance-level feature part that extracts a region of interest (RoI) pooling feature by conducting dynamic instance sampling on the region candidates.
    Type: Application
    Filed: December 2, 2021
    Publication date: April 27, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hye Ran BYUN, Mi Rae Do, Seog Kyu JEON, Ki Beom HONG
  • Publication number: 20230128762
    Abstract: A detection device includes a substrate, first electrodes formed on a first surface of the substrate, a responsive layer, and second electrodes formed on a first surface of the responsive layer, each of the second electrodes are capacitively coupled to one of the first electrodes and each second electrode is connected to a power supply to provide driving power.
    Type: Application
    Filed: October 27, 2022
    Publication date: April 27, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Cheol Min PARK, Jeongok Park, Seung Won LEE, Ji Hye JANG, Hye Jin KIM, Kyoung Jin LEE
  • Patent number: 11631474
    Abstract: A redundancy analysis method of replacing a faulty part of a memory with at least one spare according to the present embodiment includes: acquiring fault information of the memory; and redundancy-allocating the fault with combinations of the spares to correspond to combination codes corresponding to the combinations of the spares, in which, the redundancy-allocating with the combination of the spare areas includes performing parallel processing on each combination of the spares.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 18, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Sung Ho Kang, Tae Hyun Kim
  • Patent number: 11619677
    Abstract: According to the exemplary embodiment of the present disclosure, the apparatus and the method for detecting an aging state of a battery based on a harmonic signal detect an aging state of the battery based on a harmonic signal of a pass signal of a detection signal which passes through the battery to quickly detect the aging state of the battery without separating the system during a charging and discharging cycle.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: April 4, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Yong June Shin, Seon Hyeog Kim
  • Publication number: 20230098817
    Abstract: A weakly supervised object localization apparatus includes: a feature map generator configured to generate a feature map X by performing a first convolution operation on an input image; an erased feature map generator configured to generate an attention map A through the feature map X and generate an erased feature map ?X by performing a masking operation on the input image through the attention map A; a final map generator configured to generate a final feature map F and a final erased feature map ?F, respectively, by performing a second convolution operation on the feature map X and the erased feature map ?X; and a contrastive guidance determiner configured to determine contrastive guidance for a foreground object in the input image based on the final feature map F and the final erased feature map ?F.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 30, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: HYE RAN BYUN, Wonyoung LEE, Minsong KI, Jewook LEE, Sungho PARK
  • Patent number: 11614580
    Abstract: The exemplary embodiments provide an optical fiber sensor and a vector measuring device which measure a motion of a subject using a double Bragg grating formed in a core with a helical structure and measure a chiral motion inflection point vector.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: March 28, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Jun Ho Choi, Song Bi Lee, Song A Choi
  • Publication number: 20230093619
    Abstract: Discloses are weakly supervised semantic segmentation device and method based on pseudo-masks. The device includes a localization map generator configured to generate a plurality of first localization maps by providing an image to a first classifier; a saliency map processor configured to calculate a saliency loss through a saliency map used to identify a boundary line and a co-occurring pixel based on the plurality of first localization maps; a multi-label processor configured to predict a multi-label based on the plurality of first localization maps and calculate a classification loss; and a pseudo-masks generator configured to generate a second classifier obtained by updating the first classifier based on the saliency loss and the classification loss, and generate the pseudo-masks based on a plurality of second localization maps by the second classifier.
    Type: Application
    Filed: November 5, 2021
    Publication date: March 23, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyunjung SHIM, SEUNGHO LEE, MinHyun LEE
  • Publication number: 20230092467
    Abstract: Provided are an automata processing method and apparatus capable of transforming a regular expression pattern into a specific type of nondeterministic finite automata (NFA), selectively applying a matching algorithm to the nondeterministic finite automata according to whether to include an extended grammar to minimize the use of temporal and spatial resources, and preventing regular expression denial of service (ReDoS).
    Type: Application
    Filed: November 8, 2021
    Publication date: March 23, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Yo Sub HAN, Joong Hyuk HAHN, Si Cheol SUNG
  • Publication number: 20230093503
    Abstract: Disclosed are a CAM-based weakly supervised object localization device and method. The device includes: a feature map extractor configured to extract a feature map of a last convolutional layer in a convolutional neural network (CNN) in a process of applying an image to the CNN; a weight vector binarization unit configured to first binarize a weight vector of a linear layer in a process of sequentially applying the feature map to a pooling layer that generates a feature vector and the linear layer that generates a class label; a feature map binarization unit configured to second binarize the feature map based on the first binarized weight vector; and a class activation map generation unit configured to generate a class activation map for object localization based on the second binarized feature map.
    Type: Application
    Filed: November 5, 2021
    Publication date: March 23, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hye Ran BYUN, Sanghuk LEE, Cheolhyun MUN, Pilhyeon LEE, Jewook LEE
  • Patent number: 11609258
    Abstract: According to an apparatus and a method for detecting a cable abnormality based on reflectometry utilizing artificial intelligence according to the exemplary embodiment of the present disclosure, it is possible to monitor a state of the cable which connects the nodes in real time by inserting a result of the time-frequency domain reflectometry into a variational autoencoder (VAE) which is one of unsupervised learning.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: March 21, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Yong-June Shin, Gu-Young Kwon
  • Patent number: 11610523
    Abstract: Disclosed is a driving circuit of a stretchable display capable of being stretched, which includes a driving part that includes a driving transistor connected with a light-emitting element and drives the light-emitting element depending on a signal of a data line, a switching transistor that is connected between the driving part and the data line and includes a gate terminal connected with a first gate line, and a stretch-sensitive sensor that is connected with the switching transistor between the driving part and the data line, and the stretch-sensitive sensor may include a stretch-sensitive material whose resistance characteristic changes depending on a stretching force applied to the stretchable display.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: March 21, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyun Jae Kim, Hyung Tae Kim, Hee Jun Kim, Dongwoo Kim, Won Kyung Min, Dong Hyun Choi, Sujin Jung, Jong Bin An
  • Publication number: 20230083857
    Abstract: The present invention provides an aerogel and a method for manufacturing the same, in which the size of the particles can be prepared to be very small and uniform because aerogel particles can be formed in the emulsion, and through this, the size of the pores forming the aerogel can also be prepared to be uniform, and furthermore, since an additional post-treatment step is not required, the excellent properties of the aerogel can be sufficiently used without mechanical deformation of the aerogel to enhance the utilization in various industrial fields.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 16, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Hyung Ho PARK, Young Hun KIM, Ji Hun LEE, Sang Hyun KIM
  • Publication number: 20230077987
    Abstract: An artificial neural network and computational accelerator structure co-exploration apparatus, includes: a neural architecture search (NAS) module configured to determine neural network architecture, and a differentiable accelerator and network co-exploration (DANCE) evaluation module configured to determine accelerator architecture according to the determined neural network architecture and predict hardware metrics for the determined accelerator architecture.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 16, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Jin Ho LEE, Young Sok KIM, Kang Hyun CHOI, Deok Ki HONG
  • Patent number: 11596926
    Abstract: Disclosed is a method for preparing a ternary alloy catalyst with polydopamine coating and a ternary alloy catalyst prepared thereby. The method for preparing a ternary alloy catalyst according to the present disclosure may provide a ternary alloy catalyst with increased resistance to carbon monoxide (CO) poisoning in which polydopamine is utilized as a coating material for a ternary alloy catalyst having a core-shell structure containing platinum to suppress the growth of particles during subsequent high-temperature heat treatment, and nickel (Ni), which is a transition metal, is diffused inside to form a core, thereby effectively preventing elution of nickel under an acidic condition.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 7, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Han Sung Kim, Ho Jin Lee
  • Publication number: 20230062284
    Abstract: A motor device includes a stator assembly including a first magnetic coil including first windings wound around an outer face and an inner face of a first support and in a central-axis direction thereof; and a second magnetic coil including second windings wound around a surface of a second support inside or outside the first support and in a circumferential direction thereof; and a rotor assembly including a plurality of first permanent magnets; and a plurality of second permanent magnets including first and second extending magnets magnetized in an opposite direction to a magnetized direction of the first permanent magnets, wherein each of the first and second extending magnets has a length greater than each of the first permanent magnets, wherein the first and second extending magnets are respectively disposed in a first end area and a second end area opposite to each other of the rotor assembly.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 2, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: JunYoung YOON, HyeongMin YOON, JaeHong MIN, YoonSik KWON, SangWon JUNG, WonTaek SONG
  • Publication number: 20230053343
    Abstract: A device for detecting whether a plurality of electronic components having one or more defective electronic components includes: an energy source generating energy and transferring the generated energy to the plurality of electronic components in a non-contact manner to cause the plurality of electronic components to vibrate; a mechanical resonance detector detecting vibration resonances of the plurality of electronic components; and a post-processing processor comparing the detected vibration resonances of the plurality of electronic components with a reference vibration resonance of a normal product to determine whether the plurality of electronic components have one or more defective electronic components and then extracting determined information.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 23, 2023
    Applicants: SAMSUNG ELECTRO-MECHANICS CO., LTD., UIF (University Industry Foundation), Yonsei University
    Inventors: Heung Kil PARK, Seong Hoon KIM, Won Suk OHM, Seong Hun IM