公开(公告)号：US11201548B2

公开(公告)日：2021-12-14

申请号：US16469692

申请日：2017-07-05

Applicant: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Se Wan Choi

IPC: H02M3/335 ,  H02J7/02 ,  H02M7/06 ,  H02M1/42 ,  H02M1/14 ,  H02M1/44 ,  B60L53/22 ,  H02M1/00

Abstract: According to a single-stage interleaved software switching converter, power factor is controlled and battery charging and current are integrally controlled on the basis of a PFC circuit of a single-stage interleaving type so that efficiency of a charging device is enhanced and the cost is reduced. Further, it is possible to remove harmful electromagnetic radiation; enhance power density and durability by using a film-type capacitor instead of the conventional electrolytic capacitor; reduce switching loss by soft switching operation and to reduce the volume of a filter unit; design magnetizing current to be small by removing a low-frequency component of a transformer and to reduce the volume; and perform high-power charging according to the number of windings of the transformer.

公开(公告)号：US20210376471A1

公开(公告)日：2021-12-02

申请号：US17257516

申请日：2019-01-10

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Gyo Nyun Kim ,  Chang Won JUNG ,  Jung-Jin KIM ,  Dong Hoon LEE

IPC: H01Q5/50 ,  H01Q1/48 ,  H01Q1/24

Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes a composite right left handed (CRLH) structure including a series inductor, a series capacitor, a parallel inductor, and a parallel capacitor.

公开(公告)号：US10994334B2

公开(公告)日：2021-05-04

申请号：US16474765

申请日：2017-01-17

Applicant: Foundation for Research and Business, Seoul National University of Science and Technology

Inventor： Jong-Hyun Lee ,  Jun Ho Hwang

IPC: B22F9/24 ,  B22F1/00 ,  B22F1/02 ,  H01B1/22

Abstract: The present invention relates to ear-of-rice-shaped copper particles. The technical gist thereof is a method of manufacturing ear-of-rice-shaped copper particles, ear-of-rice-shaped copper particles manufactured thereby, and a conductive paste using the same. The method includes a first step of preparing a copper precursor solution, a second step of adjusting the pH of the copper precursor solution, a third step of adding a zinc powder to the pH-adjusted copper precursor solution, a fourth step of synthesizing the ear-of-rice-shaped copper particles by stirring the copper precursor solution, to which the zinc powder is added, for a predetermined time, and a fifth step of separating, washing, and then drying the synthesized ear-of-rice-shaped copper particles.

公开(公告)号：US10986342B2

公开(公告)日：2021-04-20

申请号：US16621626

申请日：2017-11-23

Applicant: Foundation for Research and Business, Seoul National University of Science and Technology ,  Industry-University Cooperation Foundation Korea Aerospace University

Inventor： Heejune Ahn ,  Myeongjin Lee

IPC: H04N19/105 ,  H04N19/124 ,  H04N19/117 ,  H04N19/119 ,  H04N19/172 ,  H04N19/53 ,  H04N19/597

Abstract: Provided is a 360-degree image encoding apparatus and method, and a recording medium for performing the same function. The 360-degree image encoding apparatus divides an input image to be encoded into a plurality of regions in a vertical direction and encodes the divided regions while changing resolutions thereof so that all regions have the same resolution to maintain pixel continuity among the regions when a predictive image is generated and the regions have resolutions changed according to the degree of distortion of the regions when a residue image is encoded.

公开(公告)号：US10659947B1

公开(公告)日：2020-05-19

申请号：US16681647

申请日：2019-11-12

Applicant: Electronics and Telecommunications Research Institute ,  FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Sung Hoon Kim ,  Byung Jun Bae ,  Dong Ho Kim ,  Bong Seok Seo ,  Chang Jong Hyun ,  Eun Yeong Jeong

IPC: H04W4/90 ,  H04H20/57 ,  H04H20/59 ,  H04W4/024 ,  H04H60/70 ,  H04H20/93 ,  H04H20/72

Abstract: An apparatus for transmitting shelter location information is disclosed. The apparatus for transmitting shelter location information according to an embodiment of the present disclosure includes a wake-up information checking unit that checks a value of a wake-up indicator provided in a head of a data file to determine whether a disaster has occurred; and a shelter location information insertion unit inserting the shelter location information into an advanced emergency alert table (AEAT), as it is confirmed by the wake-up information checking unit that a disaster has occurred.

公开(公告)号：US20180234741A1

公开(公告)日：2018-08-16

申请号：US15433179

申请日：2017-02-15

Applicant: Electronics and Telecommunications Research Institute ,  Foundation for Research and Business, Seoul National University of Science and Technology

Inventor： Sung Hoon KIM ,  Hui Yong KIM ,  Jin Soo CHOI ,  Dong Ho KIM ,  Dong Ho YOU ,  Jung Yup JANG

IPC: H04N21/81 ,  H04N19/463 ,  H04N19/436 ,  H04L29/06 ,  H04N21/61 ,  H04N21/435 ,  H04N21/434 ,  H04N21/2362

CPC classification number: H04N21/816 ,  H04L69/08 ,  H04N21/2362 ,  H04N21/4345 ,  H04N21/6125

Abstract: Disclosed is a method and apparatus for IP-based hybrid 3DTV content transmission and reception. According to one aspect of the present disclosure, an IP-based hybrid 3DTV content reception apparatus includes: a receiving unit receiving multiplexed 3DTV content information; an additional data obtaining unit obtaining service layer signaling information from the received 3DTV content information, and obtaining additional data based on the obtained service layer signaling information; a decoding unit decoding the received 3DTV content information by using the obtained additional data; and a playing back unit playing back the decoded 3DTV content.

公开(公告)号：US20250042081A1

公开(公告)日：2025-02-06

申请号：US18717298

申请日：2022-12-06

Applicant: MarrIxcELL BIO Co., LTD. ,  Foundation for Research and Business, Seoul National University of Science and Technology

Inventor： Insup NOH ,  Amitava BHATTACHARYYA

IPC: B29C64/118 ,  B29C48/02 ,  B29C48/25 ,  B29C48/40 ,  B29C48/435 ,  B29C48/535 ,  B29C48/68 ,  B29C64/209 ,  B29C64/218 ,  B29C64/268 ,  B29C64/321 ,  B29K105/00 ,  B29L31/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y80/00

Abstract: Disclosed in the present application are: a pen-type structure for mixing and discharging a bio-ink or a hydrogel: and a bio-ink or hydrogel printing method using same. The pen-type structure comprises: a cylindrical first barrel for housing a first screw; a cylindrical second barrel for housing a second screw, which is longer than the first screw and has a structure parallel with the first screw; a controller connected to a gear of the first screw and a gear of the second screw so as to drive the first screw and the second screw; two or more supply units formed in the first barrier and supplying a bio-ink or hydrogel material into the first barrel; and a bio-ink or hydrogel discharge unit which extends from the end portion of the second barrel on the opposite side of the controller, and which discharges bio-ink or hydrogel.

公开(公告)号：US12178616B2

公开(公告)日：2024-12-31

申请号：US17974681

申请日：2022-10-27

Applicant: Foundation for Research and Business, Seoul National University of Science and Technology

Inventor： Seong Eun Kim

IPC: A61B5/00 ,  A61B5/372 ,  G16H50/20 ,  G06F3/01

Abstract: An electronic device according to an example embodiment includes a processor, and a memory operatively connected to the processor and including instructions executable by the processor, wherein when the instructions are executed, the processor is configured to collect an EEG signal measuring brain activity and an fNIRS signal measuring the brain activity, and output a result of determining a type of the brain activity from a trained neural network model using the EEG signal and the fNIRS signal, and the neural network model may be trained to, extract an EEG feature from the EEG signal, extract an fNIRS feature from the fNIRS signal, extract a fusion feature based on the EEG signal and the fNIRS signal, and output the result of determining the type of the brain activity based on the EEG feature and the fusion feature.

公开(公告)号：US20240396771A1

公开(公告)日：2024-11-28

申请号：US18419570

申请日：2024-01-23

Applicant: Foundation for Research and Business, Seoul National University of Science and Technology

Inventor： Won Young Lee ,  Young Min Lee

IPC: H04L25/49 ,  H03M5/20

Abstract: Proposed is a device for receiving a four-level pulse amplitude modulation (PAM-4) signal, which includes a first comparator for comparing a received PAM-4 signal with a predetermined threshold voltage to output a most significant bit (MSB) signal; and a second comparator for comparing the differential signal difference between the positive signal and negative signal of the received PAM-4 signal with a reference voltage to output a least significant bit (LSB) signal.

公开(公告)号：US20240309512A1

公开(公告)日：2024-09-19

申请号：US18406305

申请日：2024-01-08

Applicant: Foundation for Research and Business, Seoul National University of Science and Technology

Inventor： Hyung Jun KOO ,  Ji Hye KIM

IPC: C23C28/02 ,  C23C14/20 ,  C23C14/24 ,  C23C14/58 ,  C23C24/04

CPC classification number: C23C28/021 ,  C23C14/20 ,  C23C14/24 ,  C23C14/58 ,  C23C24/04

Abstract: A method of manufacturing a liquid metal film using an imbibition phenomenon is provided. The method includes forming a microstructure on a polymer substrate, preparing a microstructured metal substrate by depositing a metal on the polymer substrate on which the microstructure is formed, and coating the microstructured metal substrate with a liquid metal.