Patents Assigned to Postech
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Publication number: 20240153238Abstract: An electronic device using a spatio-temporal self-similarity (STSS) and a method of operating the electronic device are disclosed. The electronic device may generate an STSS tensor including a spatial self-similarity map and spatial cross-similarity maps for each position of a video feature map corresponding to an input video based on a temporal offset and a spatial offset. STSS feature vectors may be generated from the STSS tensor by decreasing a dimension of the spatial offset and maintaining a dimension of the temporal offset for each position of the STSS tensor. An STSS feature map may be generated by integrating the dimension of the temporal offset for each position of the STSS feature vectors. An inference on the input video may be based on a result of adding the STSS feature map to the video feature map.Type: ApplicationFiled: October 31, 2022Publication date: May 9, 2024Applicants: Samsung Electronics Co., Ltd., POSTECH Research and Business Development FoundationInventors: Minsu CHO, Heeseung KWON, Manjin KIM, Suha KWAK
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Publication number: 20240154285Abstract: An electronic device includes: a glass substrate including a first surface and a second surface opposite to the first surface; a semiconductor element provided on the first surface of the glass substrate; a first pattern provided on the first surface of the glass substrate, the first pattern being electrically connected to a first end of the semiconductor element; a second pattern provided on the first surface of the glass substrate, the second pattern being electrically connected to a second end of the semiconductor element; a feeding line provided on the second surface of the glass substrate; and a via hole which passes through the glass substrate in a first direction, the via hole electrically connecting the feeding line to the second pattern.Type: ApplicationFiled: January 17, 2024Publication date: May 9, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development FoundationInventors: Seungtae KO, Youngju LEE, Jaehong CHOI, Wonbin HONG
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Publication number: 20240151554Abstract: The present disclosure provides a method and an apparatus for quickly and accurately evaluating a trajectory of a projectile such as a satellite launching rocket or a missile by comparing the trajectory with a reference trajectory. The trajectory evaluation method includes: acquiring time series positioning data for a target and predetermined reference trajectory information; and mapping points representing the time series positioning data on a graph into corresponding points on a reference trajectory representing the predetermined reference trajectory information while relocating each mapped point onto a relocatable section taking into account a movable range dependent on a speed of the target, and determining a maximum value of distances moved by the points while the points are mapped and relocated as a similarity between the time series positioning data and the reference trajectory.Type: ApplicationFiled: November 1, 2023Publication date: May 9, 2024Applicant: POSTECH Research and Business Development FoundationInventors: Hee Kap AHN, Tae Hoon AHN, Ji Woo PARK, Seung Jun LEE
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Patent number: 11974393Abstract: Proposed are a flexible electrode circuit capable of being foamed through 3D circuit printing, a strain sensor using the same, and a manufacturing method thereof. The flexible electrode circuit includes a flexible substrate and an electrode foamed on the flexible substrate. The electrode includes a conductive line layer and a passivation layer. The conductive line layer includes a matrix including an elastic polymer and a conductive line having conductive liquid metal microparticles dispersed in the matrix. The passivation layer includes a coating portion coated on the conductive line and having an elastic polymer.Type: GrantFiled: December 14, 2020Date of Patent: April 30, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Unyong Jeong, Veerapandian Selvaraj
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Publication number: 20240137323Abstract: A traffic categorization method and device are disclosed. A traffic categorization method according to one embodiment of the present invention may comprise the steps of: receiving flow data comprising information about a flow; scaling for the flow data; generating input data by removing, on the basis of a correlation, overlapping data from the scaled flow data; and categorizing a network traffic on the basis of the input data.Type: ApplicationFiled: April 9, 2020Publication date: April 25, 2024Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Won Ki HONG, Jae Hyoung YOO, Ji Bum HONG
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Publication number: 20240134458Abstract: The present disclosure relates to a cable-based force feedback control apparatus capable of automatically determining the unspecified number and positions of cable haptic apparatus and performing force feedback control based on the determination result and a control method for the apparatus. A force feedback control apparatus and a control method for the apparatus according to the present disclosure may freely change the number and positions of haptic modules, may be installed according to various screen sizes, and may automatically detect the number and positions of the haptic devices, thereby achieving scalability.Type: ApplicationFiled: May 17, 2023Publication date: April 25, 2024Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventor: Keehoon KIM
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Publication number: 20240138271Abstract: A superconducting quantum interferometric device (SQUID) includes: a conductive material region formed on a partial region of a substrate; a first superconducting material layer including a first loop including first and second extension units that are spaced apart from each other to form a proximity Josephson junction and that form a stack structure with the conductive material region; a second superconducting material layer including a second loop including first and second end units spaced apart from each other; and a tunnel Josephson junction formed by a stack structure including a tunnel thin film layer forming and the first and second end units, wherein at least a portion of the second loop forms a stack structure with the first loop.Type: ApplicationFiled: March 30, 2023Publication date: April 25, 2024Applicants: Samsung Electronics Co., Ltd., POSTECH Research and Business Development FoundationInventors: Jaehyeong LEE, Gilho LEE, Jinhyoun KANG, Jaeho SHIN, Seunghan LEE, Daeseok HAN
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Patent number: 11964877Abstract: Disclosed is a method for preparing a perovskite nanoparticle using a fluidic channel including a first step of forming a fluidic channel including a first outer tube, a second outer tube, and a storage tube capable of introducing flows of fluids, a second step of inducing formation of the perovskite nanoparticles by continuously preparing a mixed fluid with a laminar flow based on a flow rate by introducing a flow of a base fluid into the first outer tube, and introducing a flow of a dispersion fluid in the same direction as the flow of the base fluid into the second outer tube, and a third step of separating the perovskite nanoparticles from the mixed fluid stored in the storage tube.Type: GrantFiled: July 13, 2021Date of Patent: April 23, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Yongyoung Noh, Youngki Kim, Jisu Hong, Hyein Kim
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Publication number: 20240125902Abstract: Provided is a spatial light modulator configured to modulate light, the spatial light modulator including a first reflective layer, a resonance layer on the first reflective layer, and a second reflective layer on the resonance layer, the second reflective layer including a plurality of grating structures space apart from each other, wherein the plurality of grating structures include silicon (Si) having an extinction coefficient k that is less than or equal to 1e-5 with respect to light in the predetermined wavelength band.Type: ApplicationFiled: July 7, 2023Publication date: April 18, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development FoundationInventors: Sunil KIM, Junsuk RHO, Younghwan YANG, Junghyun PARK
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Patent number: 11958761Abstract: Provided is a hydrogen isotope adsorbent with differential binding properties and including mesoporous silica doped with fluorine.Type: GrantFiled: December 27, 2022Date of Patent: April 16, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyo Joo Kim, Woo Yong Um
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Patent number: 11962321Abstract: There is provided an analog-stochastic converter for converting an analog voltage signal into a pulse signal having a corresponding probability. The analog-stochastic converter is implemented using a threshold switching element and a simple logic circuit, thereby reducing a size of the analog-stochastic converter and enabling a low power operation thereof. In addition, in order to update a weight, instead of an analog signal, a probability signal is applied using the above-described analog-stochastic converter, thereby updating a weight in a fully-parallel manner in a synaptic element array having an intersection structure. Accordingly, it is possible to shorten a time for weight update.Type: GrantFiled: November 22, 2021Date of Patent: April 16, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyun Sang Hwang, Myoung Hoon Kwak
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Patent number: 11962436Abstract: Disclosed are a user detection technique, and a method and apparatus for channel estimation in a wireless communication system supporting massive multiple-input multiple-output.Type: GrantFiled: May 14, 2021Date of Patent: April 16, 2024Assignees: Samsung Electronics Co., Ltd., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Namyoon Lee, Hyowon Lee
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Publication number: 20240118455Abstract: A meta optical device for forming structured light by modulating incident light having a preset wavelength includes a plurality of supercells each including a plurality of nanostructures having a shape dimension less than the preset wavelength, and shapes and arrangements of the plurality of nanostructures are designed to form the structured light as a point pattern having a viewing angle greater than 160° in horizontal and vertical directions.Type: ApplicationFiled: September 21, 2023Publication date: April 11, 2024Applicant: POSTECH Research and Business Development FoundationInventors: Junsuk RHO, Gyeongtae KIM, Yeseul KIM, Jooyeong YUN, Inki KIM
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Publication number: 20240117442Abstract: Methods and apparatuses are disclosed for detecting a presence of a mismatched pair in an oligonucleotide duplex that is attached to a solid substrate using an atomic force microscope. In particular, methods and apparatuses of the invention allow qualitative and quantitative analysis of the presence of a mismatched pair in a sample of oligonucleotide duplex using an atomic force microscope comprising an AFM cantilever that includes a DNA mismatch repair protein. Methods and apparatuses of the invention allow detection of gene mutation without a need for amplification, labeling, or modification of the sample. Such apparatuses and methods can be used in a wide variety of clinical diagnostic applications including detection and/or analysis of biomarkers related to, but not limited to, cancer, trauma, sepsis, aseptic inflammation, myocardial infarction, stroke, transplantation, diabetes, sickle cell disease, as well as other clinical conditions.Type: ApplicationFiled: October 19, 2023Publication date: April 11, 2024Applicant: Postech Research and Business Development Foundation (POSTECH)Inventors: Joon Won Park, Sourav Mishra, Changill Ban
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Publication number: 20240120938Abstract: The present disclosure relates to a time-division multiplexing (TDM)-based multi-channel electrocardiogram measurement apparatus and method, which remove the influence of power line interference in a way to implement multiple channels by using a TDM method, remove an electrode DC offset (EDO) through a pre-charged capacitor, and periodically take a current out or supply a current. The TDM-based multi-channel electrocardiogram measurement apparatus and method robust against power line interference according to the present disclosure have advantages in that it can measure electrocardiogram by using multiple channels with low power and high integration based on TDM, can perform contactless measurement because an EDO is efficiently eliminated and high impedance is satisfied, and has a characteristic robust against power line interference.Type: ApplicationFiled: November 16, 2022Publication date: April 11, 2024Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Jae Yoon SIM, Kyu Jin CHOI
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Patent number: 11955731Abstract: An electronic device includes a housing including a first plate and a second plate; and a first antenna structure. The first antenna structure includes a board disposed between the first plate and the second plate. The board includes a first surface facing the first plate, a second surface facing the second plate, a plurality of insulating layers stacked on top of each other between the first surface and the second surface, a first conductive layer disposed on the first surface, a second conductive layer disposed on the second surface, a plurality of strips disposed between the plurality of insulating layers, and a plurality of vias connecting at least one or more of the first conductive layer, the second conductive layer, or the plurality of strips to each other and disposed in the plurality of insulating layers.Type: GrantFiled: June 30, 2021Date of Patent: April 9, 2024Assignees: Samsung Electronics Co., Ltd, Postech Research and Business Development FoundationInventors: Yeonwoo Kim, Wonbin Hong, Junho Park, Jaehyun Choi, Sehyun Park, Sumin Yun
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Patent number: 11955704Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, an antenna unit disposed on a top surface of the dielectric layer, the antenna unit including a radiator and a transmission line connected to the radiator, a dummy electrode separated from the antenna unit on the top surface of the dielectric layer, the dummy electrode at least partially surrounding the antenna unit, and a blocking pattern arranged around the antenna unit in the dummy electrode. Radiation interruption from the dummy electrode is prevented by the blocking pattern to improve radiation reliability.Type: GrantFiled: October 4, 2021Date of Patent: April 9, 2024Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Yoon Ho Huh, Jong Min Kim, Han Sub Ryu, Won Bin Hong
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Publication number: 20240111921Abstract: A processor-implemented method includes performing first parameter optimization of a battery model through a first predetermined optimization technique; switching, based on a count accumulated while performing the first parameter optimization indicating that a switching criterion has been met, from the first optimization technique to a second predetermined optimization technique; performing second parameter optimization of the battery model through the second predetermined optimization technique; and determining a final parameter combination as an optimized parameter of the battery model, in response to an occurrence of an optimization end event during the performance of the second parameter optimization.Type: ApplicationFiled: August 28, 2023Publication date: April 4, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development FoundationInventors: Jungsoo KIM, Joonhee KIM, Jinho KIM, Myeongjae LEE, Huiyong CHUN, Soohee HAN
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Patent number: 11945916Abstract: The present invention relates to a fatty acid amide-based oleogel containing polymer and a method for preparing same and, more particularly, to a fatty acid amide-based oleogel containing polymer and a method for preparing same, the oleogel comprising: a substrate formed of a polymer of a fatty acid amide having a single double bond and a silicone polymer, or a composition comprising same; and an oleogel surface formed by impregnating the substrate with oil, wherein, in the silicone polymer, first silyl-terminated polydialkylsiloxane is crosslinked with second vinyl-terminated polydialkylsiloxane, and the fatty acid amide is linked to the first silyl-terminated polydialkylsiloxane. Also, the present invention can provide use of the fatty acid amide-based oleogel containing polymer according to the present invention.Type: GrantFiled: December 4, 2020Date of Patent: April 2, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Sang Joon Lee, Jae Hyeon Lee
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Publication number: 20240099136Abstract: Disclosed herein are a method for manufacturing a graphene thermoelectric device and a graphene thermoelectric device manufactured thereby. The method for manufacturing a graphene thermoelectric device includes: forming a graphene channel layer on a substrate; forming a thermoelectric structure by depositing a first electrode and a second electrode on both ends of the graphene channel layer; and doping the graphene channel layer by dipping the thermoelectric structure into a doping solution.Type: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Applicant: POSTECH Research and Business Development FoundationInventors: Byoung Hun LEE, Hyeon Jun HWANG