Patents Assigned to Korea Advanced Institute of Science & Technology (KAIST)
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Patent number: 11526739Abstract: A nonvolatile memory device includes a memory cell array and an computation output circuit. The memory cell array includes a plurality of nonvolatile memory elements configured to store a plurality of weights respectively and a plurality of bit lines coupled to the plurality of nonvolatile memory elements according to a plurality of input signals. The computation output circuit is configured to generate a computation signal from voltages induced at the plurality of bit lines according to the plurality of input signals.Type: GrantFiled: April 2, 2020Date of Patent: December 13, 2022Assignees: SK HYNIX INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Jin-O Seo, Hyuk-Jin Lee, SeongHwan Cho
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Patent number: 11481912Abstract: A device includes an encoder configured to generate a plurality of feature data by encoding an image; a bottleneck circuit configured to generate enhanced feature data from first bottleneck data among the plurality of feature data; and a decoder configured to generate a depth map corresponding to the image by decoding the enhanced feature data and the plurality of feature data except the first bottleneck data.Type: GrantFiled: February 5, 2021Date of Patent: October 25, 2022Assignees: SK hynix Inc., Korea Advanced Institute of Science and Technology (KAIST)Inventors: Doyeon Kim, Sihaeng Lee, Janghyeon Lee, Minki Jo, Junmo Kim
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Patent number: 11422582Abstract: A reference voltage generating circuit includes a bandgap reference (BGR) circuit configured to output an active reference voltage at a first node according to a sample signal; a first charging circuit configured to charge a first capacitor using the active reference voltage according to the sample signal; a second charging circuit configured to charge a second capacitor using the active reference voltage according to the sample signal; and a comparing circuit configured to compare a voltage difference between a charge voltage of the first capacitor and a charge voltage of the second capacitor with a threshold value, wherein the sample signal is a pulse signal generated using an output of the comparing circuit and the charge voltage of the first capacitor is provided as a low power reference voltage in a low power operation mode.Type: GrantFiled: August 16, 2019Date of Patent: August 23, 2022Assignees: SK hynix Inc., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Sungwon Choi, Gyu-hyeong Cho, Youngsub Yuk
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Patent number: 11379187Abstract: A semiconductor device includes a cell array, a computation circuit, and a control circuit. The cell array includes a plurality of unit cells configured to store a plurality of first signals by a write operation and to output a plurality of output signals corresponding to the first signals by a read operation. The computation circuit includes a plurality of unit computation circuits receiving the plurality of output signals and being set according to a plurality of second signals during a computation operation. The control circuit is configured to control the cell array and the computation circuit during the write operation, the read operation, and the computation operation.Type: GrantFiled: March 30, 2020Date of Patent: July 5, 2022Assignees: SK hynix Inc., Korea Advanced Institute of Science and Technology (KAIST)Inventors: Jin-O Seo, Hyuk-Jin Lee, SeongHwan Cho
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Patent number: 11119222Abstract: The present invention relates to a system for improving accuracy and safety of UAV navigation, and for generating an optimal protection level and geometry screening, and more particularly to a system that monitors an error and a failure of a GNSS navigation signal, broadcasts error correction information and integrity information to a UAV within a radius of about 20 km to allow the UAV to apply the corresponding information by a ground module, thereby improving the navigation accuracy and safety of the UAV. The ground module receives a GNSS navigation signal, calculates GNSS navigation error information, and generates correction information, and monitors a failure through a simplified failure monitoring algorithm, and the mounted module provides a system and a method for receiving a message that is broadcast by the ground module, and calculating precise and safe navigation information of an UAV by applying the message.Type: GrantFiled: December 18, 2018Date of Patent: September 14, 2021Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Jiyun Lee, Jinsil Lee, Min Chan Kim, Dongwoo Kim, Moon Seok Yoon
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Patent number: 10991852Abstract: A transparent light-emitting display film includes a transparent substrate in a form of film, a transparent electrode on a first side of the transparent substrate, a through hole formed to penetrate the transparent substrate in a direction perpendicular to a plane of the transparent substrate, a light-emitting device mounted in the through hole, and a connection member configured to electrically connect the transparent electrode and the light-emitting device.Type: GrantFiled: July 25, 2019Date of Patent: April 27, 2021Assignees: JMICRO INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Seung Seob Lee, Dong Jin Kim, Munhyung Jo, Jung-woo Lee
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Patent number: 10960303Abstract: The present invention relates to a kinesthetic-feedback wearable apparatus which realizes a kinesthetic-feedback in a virtual reality (VR) or augmented reality (AR), and more particularly to a kinesthetic-feedback wearable apparatus which provides a resistance, which is suitable for a situation in a virtual reality or augmented reality, to a user by using a propeller in a state in which a virtual reality or augmented reality device is mounted to the user who uses the virtual reality or augmented reality device. According to the present invention, a reactive force for a kinesthetic-feedback can be easily realized through a scheme of attaching a light propeller to a wrist, and reactive forces of various directions may be realized only with a small number of propellers by allowing the directions and the RPMs of the propellers to be separately controlled for a higher degree of freedom when two or more propellers are provided.Type: GrantFiled: April 22, 2019Date of Patent: March 30, 2021Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Andrea Bianchi, Duck-Joo Lee, Young Min Jo, Seungwoo Je, Junkyu Kim
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Patent number: 10650277Abstract: The present disclosure relates to apparatus and method for training a learning system to detect event. The present disclosure provides apparatus and method for training a learning system that includes an event related keyword collecting unit that collects an event related keyword inputted by a user, a related keyword collecting unit that collects at least one related keyword from a word database by transmitting an event related keyword to the word database, an event related image collecting unit that collects at least one event related image that is related to a search formula from an image database by transmitting the search formula to the image database, and a training unit that trains a learning system by communicating with the learning system with a use of an event related image as training data.Type: GrantFiled: October 20, 2017Date of Patent: May 12, 2020Assignees: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Dong Su Han, Jin Woo Shin, Byeok San Lee, Jin Young Yang
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Patent number: 10447437Abstract: A method for assigning a single frequency sub-channel to a plurality of MSs (Mobile Stations) in an OFDM (Orthogonal Frequency Division Multiplexing) system utilizing SDM (Spatial Division Multiplexing) with multiple transmit/receive antennas. In the method, a BS (Base Station) can effectively assign a pilot channel to estimate a downlink channel. The BS divides the single frequency sub-channel into a plurality of spatial channels, and sequentially assigns the plurality of spatial channels to the MSs having the maximum communication capacity, thereby transmitting signals of the MSs through the single frequency sub-channel.Type: GrantFiled: November 26, 2007Date of Patent: October 15, 2019Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology (KAIST)Inventors: Eung-Sun Kim, Jong-Hyeuk Lee, Jae-Hak Chung, Ho-Jin Kim, Joo-Hwan Chun, Kyung-Chun Lee, Il-Han Kim
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Patent number: 10163317Abstract: Disclosed herein are a server, system, method, and recording medium for searching for missing children, using mobile crowdsourcing. According to an embodiment, a server for searching for missing children, using mobile crowdsourcing, comprises a communication unit and a control unit. The communication unit receives a missing-child incident signal from a guardian terminal (held by a parent or guardian) and receives a first location information as to movements of a missing child from a child terminal (carried by the missing child) and sends the first location information received to at least one assistance terminal and receives landmark information from the assistance terminal(s) when a (degree of) similarity between the first location information sent to the assistance terminal(s) and a second location information detected by the assistance terminal(s) is higher than a preset value. The control unit generates a movement or moving path of the missing child, using the landmark information received.Type: GrantFiled: March 25, 2015Date of Patent: December 25, 2018Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY (KAIST)Inventors: Junehwa Song, Hyojeong Shin, Taiwoo Park, Seungwoo Kang, Bupjae Lee, Yohan Chon
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Patent number: 10130292Abstract: Disclosed is a method and system for analyzing stress and managing stress by using a mobile electronic apparatus and a data management server. The method includes: generating bio-signal pattern information upon periodically receiving a bio-signal from a bio-signal measuring device connected to each of a plurality of unspecified individuals, and forming reference information for stress analysis based on received answers to each of a plurality of questions for checking a stress level; receiving bio-signal pattern information from a bio-signal measuring device connected to a specified user; and determining a stress level corresponding to the bio-signal pattern information of the specified user based on the reference information.Type: GrantFiled: March 27, 2014Date of Patent: November 20, 2018Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)Inventors: Chul-Ho Cho, De-Sok Kim, Jae-Geol Cho, Sun-Tae Jung, Salahuddin Lizawati
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Patent number: 10063099Abstract: A wireless power receiver for wirelessly receiving a supply of power from a wireless power supplier is disclosed. The wireless power receiver includes a power reception unit for wirelessly receiving wireless power from the wireless power supplier; a rectifier for rectifying the wireless power into power including a DC waveform; a power adjustor for configuring a closed loop with the power reception unit for a first period and transferring the wireless power to the rectifier for a second period to adjust a size of the wireless power; and a controller for determining the first period and the second period, wherein the power adjustor is electrically connected to the power reception unit and the rectifier.Type: GrantFiled: August 17, 2012Date of Patent: August 28, 2018Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology (KAIST)Inventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Se-Ho Park, Se-Ki Kim, Young-Min Lee, Jun-Han Choi
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Patent number: 9907049Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.Type: GrantFiled: March 26, 2014Date of Patent: February 27, 2018Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)Inventors: Hyun-Jeong Kang, Min-Hoe Kim, Sung-Jin Park, Byung-Chang Chung, Dong-Ho Cho
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Patent number: 9875668Abstract: The present disclosures relates to a control terminal, comprising: a data communication unit for receiving a first user voice by data communication with a first audio device and receiving a second user voice by data communication with a second audio device; a turn information generating unit for generating turn information, which is voice unit information, by using the first and second user voices; and a metalanguage processing unit for determining a conversation pattern of the first and second users by using the turn information, and outputting a reminder message corresponding to a reminder event to the first user when the conversation pattern corresponds to a preset reminder event occurrence condition.Type: GrantFiled: October 7, 2013Date of Patent: January 23, 2018Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY (KAIST)Inventors: June Hwa Song, In Seok Hwang, Chung Kuk Yoo, Chan You Hwang, Young Ki Lee, John Dong Jun Kim, Dong Sun Jennifer Yim, Chul Hong Min
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Patent number: 9813879Abstract: Disclosed herein is a mobile face-to-face interaction monitoring device and method using the same and system including the same, for supporting accurate and efficient turn monitoring. One embodiment of the mobile face-to-face interaction monitoring device may comprise a conversation group detector for scanning mobile devices in a surrounding area and setting a conversation group, a turn detector for determining (conversational) turn using volume topography created based on sound signals detected in the mobile devices in the conversation group, and a meta-linguistic information processor for extracting meta-linguistic context of participants or interactants in the conversation group based on the turn. Other embodiments are described and shown.Type: GrantFiled: June 12, 2014Date of Patent: November 7, 2017Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY (KAIST)Inventors: Junehwa Song, Youngki Lee, Chulhong Min, Chanyou Hwang, Jaeung Lee, Inseok Hwang, Younghyun Ju, Chungkuk Yoo, Miri Moon, Uichin Lee
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Patent number: 9792586Abstract: Provided is a system and method for perceiving an outcast in a group. The system may include: a plurality of member terminals held, respectively, by a plurality of members conducting an outdoor activity and configured to transmit waves with a radio frequency; and a leader terminal held by a leader of the outdoor activity and configured to receive the waves transmitted from the plurality of member terminals, to sense intensities of the waves, to obtain distances between the plurality of member terminals from the sensed intensities of the waves, to calculate a group distance based on the obtained distances between the member terminals, to sort the plurality of member terminals into at least one subgroup, and to determine an outcast member terminal excluded from the at least one subgroup.Type: GrantFiled: June 17, 2013Date of Patent: October 17, 2017Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY (KAIST)Inventors: June Hwa Song, In Seok Hwang, Hyuk Jae Jang, Tai Woo Park, A Ram Choi, Young Ki Lee, Chan You Hwang
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Patent number: 9777261Abstract: The present application describes an isolated nucleic acid molecule encoding a polypeptide capable of synchronously binding VEGF polypeptide and placenta growth factor (PIGF) polypeptide comprising a nucleotide sequence encoding a VEGFR1 component.Type: GrantFiled: June 15, 2015Date of Patent: October 3, 2017Assignee: Korea Advanced Institute of Science and Technology (KAIST)Inventors: Ho Min Kim, Jung-Eun Lee, Chan Kim, Gou Young Koh, Gyun Min Lee
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Patent number: 9703395Abstract: Disclosed herein is an accurate and efficient, yet non-obtrusive system and method (using same) for detecting interpersonal touch, such as a high-five, which is prevalent in people's daily lives, so as to promote everyday interactions at diverse settings. Based on ubiquitous computing technology, one embodiment of the system for detecting interpersonal touch comprises a pre-motion filter for filtering a pre-motion prior to the interpersonal touch, a sensor for sensing electrical properties of skin, an evaluator for analyzing and determining the interpersonal touch based on the pre-motion and the electrical properties of skin, and a communicator for communicating information analyzed by the evaluator. Other embodiments are described and shown.Type: GrantFiled: March 24, 2015Date of Patent: July 11, 2017Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY (KAIST)Inventors: Junehwa Song, Yuhwan Kim, Seungchul Lee, Inseok Hwang, Hyunho Ro, Youngki Lee, Miri Moon
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Patent number: 9555796Abstract: A hybrid vehicle includes: an engine; a driving motor/generator connected to an output shaft of the engine; a connection unit disposed between the engine and the driving motor/generator to separate the engine from the driving motor/generator when the engine is stopped and to connect the engine to the driving motor/generator when the engine is operated; a manual transmission connected to the driving motor/generator, for directly varying gear ratio without using an engine clutch according to a driving speed and a torque generated by the driving motor/generator and/or the engine; a position sensor for detecting a position of a manual gearshift lever; and a central control unit connected to the engine, the driving motor/generator, the connection unit, and the manual transmission.Type: GrantFiled: June 12, 2014Date of Patent: January 31, 2017Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)Inventors: Yong San Yoon, Sei Bum Choi, Kyung Soo Kim, Sun Je Kim, Chi Woong Song, Hee Woon Son
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Publication number: 20150368617Abstract: The present application discloses a method of promoting differentiation and expansion of endothelial cells (EC) and cardiomyocytes from a pluripotent cell, which includes contacting the pluripotent cell with a Rho-associated protein kinase (ROCK) suppressor.Type: ApplicationFiled: May 7, 2014Publication date: December 24, 2015Applicant: Korea Advanced Institute of Science and Technology (KAIST)Inventors: Gou Young KOH, Hyung Joon Joo, Dong Kyu Choi, Jin-Sung Park, Sung Woo Cho