Patents Assigned to Advanced Institute of Science and Technology
  • Patent number: 11368341
    Abstract: According to one aspect of the invention, there is provided a signal processing method, wherein a frame is generated in which at least one position of occurrence of a transition in a pulse value is determined from an input bitstream. According to another aspect of the invention, there is provided a signal processing method, wherein a frame including at least one pulse having a pulse width not less than a minimum pulse width is generated from an input bitstream.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: June 21, 2022
    Assignee: Korea Advanced Institute Of Science And Technology
    Inventors: Hyeon Min Bae, Se Jun Jeon
  • Patent number: 11361540
    Abstract: A method and apparatus for predicting an object of interest of a user receives an input image of a visible region of a user and gaze information including a gaze sequence of the user, generates weight filters for a per-frame segmentation image by analyzing a frame of the input image for input characteristics of the per-frame segmentation image and the gaze information, and predicts an object of interest of the user by integrating the weight filters and applies the integrated weight filter to the per-frame segmentation image.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: June 14, 2022
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seungin Park, Hyong Euk Lee, Sung Geun Ahn, Gee Hyuk Lee, Dae Hwa Kim, Keun Woo Park
  • Patent number: 11362661
    Abstract: Disclosed is a magnetic logic device including: a plurality of input branches configured by a magnetic nanowire including a non-magnetic metallic layer, a free layer, and an insulating layer sequentially stacked; an output branch configured by the magnetic nanowire; a coupling portion configured by the magnetic nanowire and where the input branches and the output branch meet; gate electrodes arranged adjacent to the insulating layer in each of the plurality of input branches; and in-plane anisotropic ferromagnetic layers arranged adjacent to the non-magnetic metallic layer in each of the plurality of input branches.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: June 14, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Byong Guk Park, Kab-Jin Kim, Geun-hee Lee
  • Publication number: 20220180977
    Abstract: The present concept relates to a first principle-derived effective mass approximation simulation technology for accurate and efficient computational simulation of an optical property of a quantum nanostructure including creating an effective mass approximation (EMA) parameter through first principle density functional theory (DFT) calculation for a model nanostructure corresponding to a simulation target quantum nanostructure, performing EMA calculation using the EMA parameter created through the DFT calculation, and acquiring the optical property of the quantum nanostructure based on an electronic structure generated through the EMA calculation.
    Type: Application
    Filed: November 9, 2021
    Publication date: June 9, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventor: Yong-Hoon Kim
  • Patent number: 11355756
    Abstract: Provided are a positive electrode for a Zn—Br battery, a Zn—Br battery including the same, and a method of manufacturing the positive electrode for a Zn—Br battery. The positive electrode for a Zn—Br battery includes a carbon body doped with pyridinic nitrogen. The Zn—Br battery includes a negative electrode including a transition metal coated with zinc, the positive electrode; and an electrolyte. A pH of the electrolyte is in a range of 1.5 to 5.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: June 7, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Hee-Tak Kim, Sang Ouk Kim, Juhyuk Lee, Year in Byun
  • Patent number: 11353581
    Abstract: Disclosed is a method and system for diffraction-aware non-line of sight (NLOS) sound source localization (SSL) that may reconstruct an indoor space, may generate acoustic rays into the indoor space based on an audio signal collected from the indoor space, and may estimate a position of an NLOS sound source based on a point at which one of the acoustic rays is diffracted.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: June 7, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Sung-Eui Yoon, Inkyu An, Doheon Lee, Jung Woo Choi
  • Patent number: 11354918
    Abstract: Various example embodiments relate to an electronic device for recognizing visual stimulus based on spontaneous selective neural response of deep artificial neural network and an operating method thereof, and may configured to measure a response of an untrained randomly-initialized neural network for an input image, and recognize at least one visual stimulus from the input image, based on the measured response.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: June 7, 2022
    Assignee: Korea Advanced Institute Of Science And Technology
    Inventors: Se-Bum Paik, Gwangsu Kim, Jaeson Jang, Seungdae Baek, Min Song
  • Publication number: 20220174673
    Abstract: Cooperative resource allocation method and apparatus for downlink simultaneous wireless information and power transfer are proposed. A cooperative resource allocation method for downlink simultaneous wireless information and power transfer network, which is implemented through a central processor, according to one example of embodiments, may be configured to include allocating subcarrier for wireless information transfer and power transfer; and allocating power for wireless information transfer with the allocated subcarrier and divided transfer power.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 2, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Hyuncheol Park, HongSun An
  • Publication number: 20220164631
    Abstract: Various example embodiments relate to a computer system for profiling neural firing data and extracting content and a method thereof, and it may be configured to profile the neural firing data based on time series data representing firing timepoint for at least one neural firing within a window defined by a predetermined time length, and extract the content for the neural firing from the neural firing data.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Sang Wan Lee, Minryung Song
  • Publication number: 20220158067
    Abstract: Disclosed is a method for producing a Heusler-based phase thermoelectric material using an amorphous phase precursor. More specifically disclosed is a method for producing a powder or bulk thermoelectric material having a microstructure including a Heusler-based phase with a thermoelectric effect by crystallization of an amorphous phase precursor prepared by a non-equilibrium processes. Also disclosed is a device using a Heusler-based phase thermoelectric material produced by the method. The method largely avoids the efficiency problems of conventional methods, including low productivity in scaling up caused by long annealing time, high annealing temperature, and contamination during nanopowder production, achieving improved process efficiency. In addition, the method enables efficient production of a thermoelectric material having a nano-sized microstructure that is difficult to produce by a conventional method.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 19, 2022
    Applicants: Kyungpook National University Industry-Academic Cooperation Foundation, Korea Advanced Institute of Science and Technology
    Inventors: Seong Hoon YI, Gi Tae PARK, Seong Tae KIM, Pyuck Pa CHOI, Chan Won JUNG
  • Patent number: 11329557
    Abstract: A single-inductor multiple-output (SIMO) converter includes a converter configured to provide respective voltages of a plurality of channels with a single inductor and a control logic configured to control switches of the converter based on clocks corresponding to the plurality of channels, wherein the control logic is configured to compare an output voltage of a selected channel of the plurality of channels that corresponds to a control target to a reference voltage of the selected channel based on a clock of the selected channel and operate in one of a first mode that adaptively adjusts a number of times that a pulse triggering a power transfer to the channel is generated, and a second mode that blocks a generation of the pulse.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 10, 2022
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Seungchul Jung, Kye-Seok Yoon, Gyu-Hyeong Cho, Sang Joon Kim, Sang Jin Lim
  • Patent number: 11329157
    Abstract: A two-terminal biristor in which a polysilicon emitter layer is inserted and a method of manufacturing the same are provided. The method of manufacturing the two-terminal biristor according to an embodiment of the present disclosure includes forming a first semiconductor layer of a first type on a substrate, forming a second semiconductor layer of a second type on the first semiconductor layer, forming a third semiconductor layer of the first type on the second semiconductor layer, and forming a polysilicon layer of the first type on the third semiconductor layer.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: May 10, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yang-Kyu Choi, Jun Woo Son, Jae Hur
  • Publication number: 20220135855
    Abstract: An adhesive composition, a method for preparing the same, a reticle assembly including the same, and a method for fabricating the reticle assembly including the same are provided. The adhesive composition includes a polyphenol compound including tannic acid, a polymer including polyvinyl alcohol, and a solvent including water and alcohol.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 5, 2022
    Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Mun Ja KIM, Byungchul YOO, Haeshin LEE, Chang Young JEONG, Yunhan LEE
  • Patent number: 11322613
    Abstract: A structure and an operation of a transistor, which is a vertical transistor in which a nanowire-type floating body layer is vertically formed or a horizontal transistor in which a floating body layer is horizontally formed, and implements a spike operation of a neuron by storing and releasing charges inside the transistor, and a neuromorphic system using the same are provided. The vertical transistor includes a floating body layer in a form of a vertical nanowire vertically formed on a substrate, a source and a drain formed above and below the floating body layer, a gate insulating layer formed on the source and surrounding the floating body layer, a gate formed outside the gate insulating layer, and a contact metal being in contact with the source, the drain and the gate to input or output an electrical signal.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: May 3, 2022
    Assignee: Korea Advanced Institute Of Science And Technology
    Inventors: Yang-Kyu Choi, Joonkyu Han
  • Publication number: 20220127662
    Abstract: Provided are the nucleic acid-mediated pattern replication and a method of manufacturing a 2-D material using the same. A method of manufacturing a 2-D material according to an embodiment may include preparing a first material having a first nucleic acid patterned on a surface thereof, bonding a linker-nucleic acid to the first nucleic acid, bonding the first nucleic acid and a second nucleic acid attached to a surface of a second material through the linker-nucleic acid and replicating a pattern of the first material to the surface of the second material, separating the first material, and applying a third material on a pattern replicated to the surface of the second material.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jae-Byum Chang, Jueun Sim
  • Publication number: 20220131546
    Abstract: The present invention relates to a frequency modulation method based on a phase-locked loop capable of performing fast modulation independent of bandwidth. A frequency modulation system based on a phase-locked loop capable of performing fast modulation independent of bandwidth according to the present invention includes a loop filter including a proportional path and an integral path to determine a bandwidth of a phase-locked loop, a voltage-controlled oscillator configured to adjust a frequency according to an output of the loop filter, and a slope alternator configured to alternate an input current of the loop filter, wherein the slope alternator is located in the integral path of the loop filter to generate an offset current at a moment of change from a modulation rise to a modulation fall.
    Type: Application
    Filed: October 28, 2021
    Publication date: April 28, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Korea Advanced Institute Of Science And Technology
    Inventors: Han Gil CHOI, Sang Heung LEE, Seong Hwan CHO
  • Publication number: 20220123700
    Abstract: An amplification apparatus includes an amplifier having an inverting terminal, and a non-inverting terminal connected to a reset voltage node, a first capacitor connected to the inverting terminal, an input voltage being applied to the first capacitor, a second capacitor connected to the inverting terminal and an output terminal of the amplifier, and a duty-cycled resistor, connected in parallel to the second capacitor, including a first resistor. The duty-cycled resistor is configured to connect the first resistor and the inverting terminal and to disconnect the first resistor and the reset voltage node during a first time interval included in a period to complete an on-and-off cycle of the duty-cycled resistor, and disconnect the first resistor and the inverting terminal and to connect the first resistor and the reset voltage node during a second time interval included in the period.
    Type: Application
    Filed: April 13, 2021
    Publication date: April 21, 2022
    Applicants: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology
    Inventors: Wonseok LEE, Kent Edrian LOZADA, Seung Tak RYU, Sang Joon KIM
  • Publication number: 20220121387
    Abstract: Disclosed is a method for estimating a read reference voltage for a flash memory using a neural network and an apparatus therefor. According to an embodiment of the inventive concept, a method for reading a flash memory may include receiving predetermined variable values with respect to a flash memory, estimating a read reference voltage corresponding to the received variable values, using a neural network of a pre-trained learning model with respect to the variable values, and reading the flash memory, using the estimated read reference voltage. The method may further include updating the learning model of the neural network by reflecting a difference in characteristics between individual chips constituting the flash memory.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 21, 2022
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jeongseok Ha, Seokju Han, Jieun Oh
  • Publication number: 20220120797
    Abstract: An impedance measuring apparatus is disclosed. The impedance measuring apparatus includes an input current generator configured to generate a sinusoidal input signal of a carrier frequency, a first electrode configured to apply the sinusoidal input signal to an object which has an impedance, a second electrode configured to receive an amplitude modulated signal from the object, a first amplifier configured to amplify the received amplitude modulated signal and output a first amplified signal, a baseline signal subtractor configured to subtract a baseline signal generated based on the first amplified signal from the amplitude modulated signal and output a subtraction modulated signal, an analog-to-digital converter (ADC) configured to convert the subtraction modulated signal to a digital modulated signal, and an impedance measurer configured to measure the impedance based on the digital modulated signal.
    Type: Application
    Filed: June 23, 2021
    Publication date: April 21, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Wonseok LEE, Ji-Hoon SUH, Minkyu JE, Sang Joon KIM
  • Publication number: 20220110703
    Abstract: A method of determining hysteresis according to an example embodiment may include capturing a real-time image of the surgical robot driven according to a drive input, and measuring a drive angle of the surgical robot by comparing the real-time image to a previously rendered image data set of the surgical robot, and calculating a difference between the drive input and the measured drive angle.
    Type: Application
    Filed: January 17, 2020
    Publication date: April 14, 2022
    Applicants: Korea Advanced Institute of Science and Technology, Easyendo Surgical, Inc.
    Inventors: Dong Soo KWON, Dong Hoon BAEK, Ju Hwan SEO, Joon Hwan KIM, Jeong Do AHN, Han Soul KIM, Jae Min YOU