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1
US2021055967A1
METHOD AND APPARATUS FOR MEMORY ALLOCATION IN A MULTI-CORE PROCESSOR SYSTEM, AND RECORDING MEDIUM THEREFOR
Publication/Patent Number: US2021055967A1 Publication Date: 2021-02-25 Application Number: 16/997,160 Filing Date: 2020-08-19 Inventor: Jeon, Jaewook   Moon, Junyoung   Kim, Doyeon   Jo, Minhee   Park, Jaewan   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: G06F9/50 Abstract: According to the disclosure, a memory allocation method and device and recording medium in a multi-core processor system are disclosed. According to an embodiment, a method for allocating a shared variable to a memory in a multi-core processor system comprises mapping each task to a core, allocating unshared variables to memories times of access, to which are sequentially minimized, in descending order of actual variable access count, calculating an actual variable access count per core, selecting a core with a highest actual variable access count, and allocating a shared variable to a memory of the selected core.
2
US2021029168A1
I2NSF CONSUMER-FACING INTERFACE YANG DATA MODEL
Publication/Patent Number: US2021029168A1 Publication Date: 2021-01-28 Application Number: 16/937,805 Filing Date: 2020-07-24 Inventor: Jeong, Jaehoon   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H04L29/06 Abstract: The present disclosure, in a method for providing a security service by a security controller in a security management system, is receiving a high-level first security policy from an interface to network security functions (I2NSF) user via a consumer-facing interface
3
US10917661B2
Method and apparatus for intra prediction
Publication/Patent Number: US10917661B2 Publication Date: 2021-02-09 Application Number: 17/025,042 Filing Date: 2020-09-18 Inventor: Jeon, Byeung Woo   Lee, Ho Young   Won, Kwang Hyun   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H04N19/11 Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
4
US2021061966A1
ANION EXCHANGE MEMBRANE BASED ON AROMATIC POLYMER FUNCTIONALIZED WITH IMIDAZOLIUM GROUP, PREPARATION METHOD THEREOF, AND VANADIUM REDOX FLOW BATTERY INCLUDING THE MEMBRANE
Publication/Patent Number: US2021061966A1 Publication Date: 2021-03-04 Application Number: 17/011,095 Filing Date: 2020-09-03 Inventor: Kim, Duk Joon   Ahn, Yeon Ho   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: C08J5/22 Abstract: Disclosed are an anion exchange membrane based on an aromatic polymer functionalized with an imidazolium group, a preparation method thereof, and a vanadium redox flow battery including the membrane. The anion exchange membrane based on an aromatic polymer functionalized with an imidazolium group contains a compound represented by a following Chemical Formula 1:
5
US10957298B2
Acoustic resonator
Publication/Patent Number: US10957298B2 Publication Date: 2021-03-23 Application Number: 15/983,740 Filing Date: 2018-05-18 Inventor: Yoon, Suk Wang   Kim, Wan-gu   Kang, Hwi Suk   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: G10K11/172 Abstract: An acoustic resonator according to the present invention includes a fluid accommodation part having a space portion configured to accommodate a fluid, and openings, closing portions configured to close the openings, and a compressibility reduction portion configured to vent the space portion to reduce effective compressibility of the fluid accommodation part.
6
US2021111283A1
MULTI-NEGATIVE DIFFERENTIAL TRANSCONDUCTANCE DEVICE AND METHOD OF PRODUCING THE SAME
Publication/Patent Number: US2021111283A1 Publication Date: 2021-04-15 Application Number: 17/071,170 Filing Date: 2020-10-15 Inventor: Park, Jin-hong   Choi, Jae-woong   Kim, Kwan-ho   Andreev, Maksim   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H01L29/786 Abstract: A multi-negative differential transconductance device includes a substrate conductive portion; a gate insulating layer formed by being laminated on the substrate conductive portion; a first semiconductor, a second semiconductor, and a third semiconductor which have different threshold voltages and are formed to be horizontally connected in series on the gate insulating layer; and an electrode formed at both ends of the first semiconductor and the third semiconductor. The multi-negative differential transconductance device forms a junction of three or more semiconductor materials in one device to have a plurality of peaks and valleys so that the multi-negative differential transconductance device is utilized to implement a multi-valued logic circuit which is capable of representing four or more logical states without significantly increasing an area of the negative differential transconductance device which occupies the chip. Therefore, effects of low power consumption, a reduced size, and high speed of a chip may be achieved.
7
US10999841B2
Fast wireless local area network communication method and apparatus using multiple transfer rate partitioning and cooperative transmission
Publication/Patent Number: US10999841B2 Publication Date: 2021-05-04 Application Number: 16/733,466 Filing Date: 2020-01-03 Inventor: An, Dong Hyeok   Kim, Yu Sung   Yeom, Ik Jun   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H04W36/00 Abstract: A wireless local area network (WLAN) communication method and apparatus using multiple transmission speed partitioning and cooperative transmission are disclosed. The WLAN communication method includes transmitting, by access point to the nodes, transmission time slots, partitions and internal transmission priorities using transmission time slot information, partition information and internal transmission priority information, receiving uplink packet from one node, determining whether downlink data to be transmitted to the high speed or the low speed node is present, or not in the download queue, transmitting, if present, the downlink packet to the nodes, removing downlink data from the download queue for ACK, and transmitting, if not present, transmitting ACK to the nodes.
8
US10931970B2
Method and apparatus for intra prediction
Publication/Patent Number: US10931970B2 Publication Date: 2021-02-23 Application Number: 16/531,470 Filing Date: 2019-08-05 Inventor: Jeon, Byeung Woo   Lee, Ho Young   Won, Kwang Hyun   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H04N19/11 Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
9
US2021047486A1
METHOD FOR MANUFACTURING PHOTOACOUSTIC ULTRASOUND GENERATOR WITH HIGH LASER-INDUCED DAMAGE THRESHOLD AND HIGH-AMPLITUDE ULTRASOUND GENERATOR MANUFACTURED USING THE METHOD
Publication/Patent Number: US2021047486A1 Publication Date: 2021-02-18 Application Number: 16/991,171 Filing Date: 2020-08-12 Inventor: Baac, Hyoung Won   Sang, Pil Gyu   Heo, Jeong Min   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: C08J5/18 Abstract: A method for manufacturing an ultrasound generator with high laser-induced damage threshold is disclosed. The method includes forming an uncured prepolymer polydimethylsiloxane (PDMS) film on a substrate; spraying a solution containing light-absorbing nano-particles onto a surface of the uncured PDMS film, and then permeating the light-absorbing nano-particles into the uncured PDMS film; and curing the uncured PDMS film containing the light-absorbing nano-particles spatially distributed therein to form a composite film of nano-particles and PDMS, wherein the light-absorbing nano-particles permeated and diffused into the uncured PDMS film are dispersed such that a mean distance between the light-absorbing nano-particles in the PDMS film is substantially equal to or larger than a thermal diffusion length during a temporal width of an irradiation laser pulse, thus alleviating an exceedingly high thermal load, which can cause film damage or ablation, caused by nano-particles agglomerated or densely packed with a particle-to-particle mean distance smaller than the thermal diffusion length, ultimately resulting in the increase of laser-induced damage threshold and the maximum-available ultrasound output from the photoacoustic ultrasound generator.
10
US2021006245A1
PULSE WIDTH MODULATION BUCK CONVERTER
Publication/Patent Number: US2021006245A1 Publication Date: 2021-01-07 Application Number: 16/914,739 Filing Date: 2020-06-29 Inventor: Kong, Bai Sun   Suh, Jung Duk   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H03K17/687 Abstract: A PWM buck converter includes a first P-type transistor having a drain terminal connected to a first node, a first N-type transistor having a drain terminal connected to the first node, and a gate driver configured to apply a first gate voltage to a first gate terminal of the first P-type transistor and apply a second gate voltage to a second gate terminal of the first N-type transistor. The gate driver includes a first buffer configured to generate the first gate voltage applied to the gate terminal of the first P-type transistor, a second buffer configured to generate the second gate voltage applied to the gate terminal of the first N-type transistor, and a capacitor configured to accumulate a portion of electrical charges supplied from the first buffer to the first P-type transistor, and supply the accumulated electrical charges to the gate terminal of the first N-type transistor.
11
US10932999B2
Hydrophobic porous silica and method of preparing hydrophobic porous silica
Publication/Patent Number: US10932999B2 Publication Date: 2021-03-02 Application Number: 16/553,331 Filing Date: 2019-08-28 Inventor: Choi, Jae Young   Chae, Su Dong   Park, Jang Ho   Lee, Sung Ho   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: A61K8/25 Abstract: A method of preparing hydrophobic porous silica includes adding an alcohol to a solvent in which a porous silica particle including a hydrophilic group is dispersed and stirring the same to form a mixture, drying the mixture including the porous silica particle in a vacuum, and condensation reacting the hydrophilic group of the porous silica particle with the alcohol on the surface of the porous silica particle to modify the surface of the porous silica particle to be hydrophobic.
12
US2021122065A1
PNEUMATIC CONTROLLED SOFT GRIPPER, MANUFACTURING METHOD THEREOF AND ARTICLE TRANSPORT METHOD USING SOFT GRIPPER
Publication/Patent Number: US2021122065A1 Publication Date: 2021-04-29 Application Number: 16/913,326 Filing Date: 2020-06-26 Inventor: Pang, Chang Hyun   Lee, Heon Joon   Baik, Sang Yul   Hwang, Gui Won   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: B25J15/06 Abstract: A pneumatic controlled soft gripper includes a chamber having a negative-pressure action space defined therein and having an opening communicating with the negative-pressure action space; a sucker extending radially outwardly from the opening of the chamber and having an annular contact surface; an expandable and contractible protuberance protruding from a top face of the negative-pressure action space opposite to the opening, wherein the protuberance is received in the negative-pressure action space, and has a gas pocket defined therein; and a gas channel extending from an outer face of the chamber into the gas pocket, wherein gas flows into and out of the gas pocket through the gas channel.
13
US10938323B2
Energy generating system with integrated energy generator and energy storage
Publication/Patent Number: US10938323B2 Publication Date: 2021-03-02 Application Number: 16/358,872 Filing Date: 2019-03-20 Inventor: Kim, Sangwoo   Kim, Jihye   Ryu, Hanjun   Kwak, Sungsoo   Yoon, Hongjoon   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H02N1/04 Abstract: Disclosed is an energy generating system having an integrated energy generator and energy storage. According to one embodiment, energy generation and storage may be performed using external kinetic energy, and output from a generator device may be improved using a voltage stored in the energy storage. A storage efficiency of the energy storage may be further increased via the improved output from the generator device. Further, the energy generator and energy storage may be integrated with each other to improve a space utilization.
14
US10927296B2
Single-band upconversion luminescent material and method for producing the same
Publication/Patent Number: US10927296B2 Publication Date: 2021-02-23 Application Number: 16/264,813 Filing Date: 2019-02-01 Inventor: Kim, Dong Hwan   Moon, Byeong Seok   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: C09K11/77 Abstract: A single-band upconversion luminescent material includes an amorphous ceramic host; and lanthanide ions doped into the ceramic host.
15
US2021036224A1
METHOD OF MANUFACTURING OXIDE SEMICONDUCTOR
Publication/Patent Number: US2021036224A1 Publication Date: 2021-02-04 Application Number: 16/898,789 Filing Date: 2020-06-11 Inventor: Cho, Hyungkoun   Kim, Dongsu   Yun, Youngdae   Kim, Joosung   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H01L45/00 Abstract: A method of manufacturing an oxide semiconductor, includes impregnating a substrate in a solution containing a metal precursor and hydroxyl ions, and forming a metal oxide on the substrate by applying a voltage to the solution. The solution includes a surfactant, and the direction of crystal growth of the metal oxide is controllable based on the surfactant.
16
US10899963B2
Light-emitting structure, optical member having the light-emitting structure, light-emitting device, and liquid crystal display apparatus
Publication/Patent Number: US10899963B2 Publication Date: 2021-01-26 Application Number: 16/031,145 Filing Date: 2018-07-10 Inventor: Chae, Heeyeop   Jin, Ho Seok   Lee, Chang Min   Kim, Bo Kyoung   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: C09K11/02 Abstract: A light-emitting structure in accordance with the present disclosure includes inorganic nano-particles; ligands coordinated to surfaces of the inorganic nano-particles, wherein each of the ligands contains an acrylic polymer. Further, the present disclosure provides an optical member, a light-emitting device, and a liquid crystal device including the light-emitting structure.
17
US10916670B2
Semiconductor device, photoelectronic device, and method for manufacturing transition-metal dichalcogenide thin film
Publication/Patent Number: US10916670B2 Publication Date: 2021-02-09 Application Number: 16/775,821 Filing Date: 2020-01-29 Inventor: Yeom, Geun Young   Kim, Ki Seok   Kim, Ki Hyun   Park, Jin Woo   Kim, Doo San   Ji, You Jin   Byun, Ji Young   Kang, Jieun   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H01L31/0392 Abstract: The present disclosure relates to a semiconductor device and a photoelectronic device, both including a transition-metal dichalcogenide thin-film, and to a method for producing a transition-metal dichalcogenide thin-film. The transition-metal dichalcogenide thin-film includes: a first region including a stack of N+M transition-metal dichalcogenide molecular layers; and a second region including a stack of N transition-metal dichalcogenide molecular layers, wherein the second region is horizontally adjacent to the first region, wherein the N transition-metal dichalcogenide molecular layers of the second region respectively horizontally extend from the N transition-metal dichalcogenide molecular layers of the first region.
18
US2021060533A1
ELECTROCATALYST AND METHOD OF PREPARING THE SAME
Publication/Patent Number: US2021060533A1 Publication Date: 2021-03-04 Application Number: 17/004,271 Filing Date: 2020-08-27 Inventor: Whang, Dongmok   Kim, Mansu   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: B01J21/06 Abstract: An electrocatalyst includes a carbon substrate, metal oxide particles dispersed on the carbon substrate, and metal catalyst particles. The metal catalyst particles are metal substitutions in the metal oxide particles, or adsorbed on the metal oxide particles.
19
US10933080B2
Materials for preventing or treating Alzheimer's disease and compositions comprising same
Publication/Patent Number: US10933080B2 Publication Date: 2021-03-02 Application Number: 16/454,202 Filing Date: 2019-06-27 Inventor: Yoon, Keejung   Kim, Juwan   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: A61K31/7105 Abstract: The present invention relates to a composition comprising a Ttyh1 gene expression inhibitor or a Ttyh1 protein activity inhibitor, and a method of preventing or treating Alzheimer's disease using the same.
20
EP3790235A1
METHOD AND DEVICE FOR MANAGING MOBILE NODE OF SDN CONTROLLER
Publication/Patent Number: EP3790235A1 Publication Date: 2021-03-10 Application Number: 19796178.2 Filing Date: 2019-05-02 Inventor: Choo, Hyun Seung   Kim, Young Kyoung   Syed, Muhammad Raza   Jeon, Se Il   Nguyen, Tien Dung   Jeong, Jae Yeop   Assignee: Research & Business Foundation Sungkyunkwan University   IPC: H04L12/721 Abstract: A method for managing a mobile node of an SDN controller according to an aspect of the present disclosure includes receiving a router solicitation message of a mobile node transmitted through a first AP operated by the SDN controller.
Total 337 pages