Patents by Inventor Kyu Choi

Kyu Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230268563
    Abstract: A connector assembly for a battery pack may include: a first housing configured to support a first terminal; a second housing configured to support a second terminal electrically connected to the first terminal, and coupled to the first housing; and a fixing member detachably coupled to the second housing, and the fixing member is selectively disposed in a first position in which the second housing and the second terminal are mutually aligned, or in a second position in which the first housing and the second housing are prevented from being separated from each other.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Hee Jin LEE, Soo Hwan JO, Yang Kyu CHOI
  • Patent number: 11733890
    Abstract: A method and memory device of controlling a plurality of low power states are provided. The method includes: entering a low power mode state, in which memory cell rows of the memory device are refreshed and power consumption is lower than in a self-refresh mode state, in response to a low power state entry command; and exiting the low power mode state based on a low power mode exit latency time that is set in a mode register of the memory device or at least one of an alarm signal and a low power mode exit command.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeon-kyu Choi, Ki-seok Oh, Seung-jun Shin, Hye-ran Kim
  • Publication number: 20230260762
    Abstract: Provided are a cooling block that can be easily manufactured by forming vertical or horizontal flow paths in an integrated single block body through drilling, and a plasma reaction device having same, and may include: an integrated block body; a first vertical flow path formed in a vertical shape by passing through the inside of the block body from one surface of the block body; a first horizontal flow path passing through one portion of the first vertical flow path; a second horizontal flow path passing through the other portion of the first vertical flow path; a second vertical flow path passing through the first horizontal flow path and the second horizontal flow path; a first sealing stopper provided at a first point so that a refrigerant, having passed through the first vertical flow path, can branch in two ways and then merge into the second vertical flow path; and a second sealing stopper provided at a second point.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 17, 2023
    Inventors: Dai Kyu CHOI, Eun Seok LIM
  • Publication number: 20230260761
    Abstract: Provided are a plasma reaction device capable of cooling a reactor body and a magnetic core by circulating cooling water, and a cooling method thereof, the plasma reaction device including an annular loop space therein, and a body cooling channel therein, a magnetic core having a primary coil to generate plasma by exciting a gas in the annular loop space, a cooling block being in thermal contact with the reactor body or the magnetic core, and having a block cooling channel therein, a connecting block having a first water inlet pipe and a first water outlet pipe at a side thereof to supply cooling water at a first temperature, and having a second water inlet pipe and a second water outlet pipe at another side thereof to collect the cooling water at a second temperature higher than the first temperature, and a cooling water circulation line mounted between the connecting block, the cooling block, and the reactor body.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 17, 2023
    Inventors: Dai Kyu CHOI, Eun Seok LIM
  • Patent number: 11724781
    Abstract: A BOG reliquefaction system includes: a compressor; a heat exchanger cooling the BOG compressed by the compressor through heat exchange using BOG not compressed by the compressor; a pressure reducer disposed downstream of the heat exchanger and reducing a pressure of fluid cooled by the heat exchanger; and a combination of a first temperature sensor disposed upstream of a cold fluid channel of the heat exchanger and a fourth temperature sensor disposed downstream of a hot fluid channel of the heat exchanger, combination of a second temperature sensor disposed downstream of the cold fluid channel of the heat exchanger and a third temperature sensor disposed upstream of the hot fluid channel of the heat exchanger, or combination of a first pressure sensor disposed upstream of the hot fluid channel of the heat exchanger and a second pressure sensor disposed downstream of the hot fluid channel of the heat exchanger.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: August 15, 2023
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Joon Chae Lee, Dong Kyu Choi, Hyun Jun Shin
  • Patent number: 11724789
    Abstract: Disclosed herein is a BOG reliquefaction method for LNG ships. The BOG reliquefaction method for LNG ships includes: 1) compressing BOG; 2) cooling the BOG compressed in Step 1) through heat exchange between the compressed BOG and a refrigerant using a heat exchanger; 3) expanding the BOG cooled in Step 2); and 4) stably maintaining reliquefaction performance regardless of change in flow rate of the BOG compressed in Step 1) and supplied to the heat exchanger to be used as a reliquefaction target.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: August 15, 2023
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Hae Won Jung, Dong Eok Kang, Joon Chae Lee, Dong Kyu Choi
  • Patent number: 11727720
    Abstract: Disclosed is a face verification method and apparatus. The method including analyzing a current frame of a verification image, determining a current frame state score of the verification image indicating whether the current frame is in a state predetermined as being appropriate for verification, determining whether the current frame state score satisfies a predetermined validity condition, and selectively, based on a result of the determining of whether the current frame state score satisfies the predetermined validity condition, extracting a feature from the current frame and performing verification by comparing a determined similarity between the extracted feature and a registered feature to a set verification threshold.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: August 15, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Wonsuk Chang, Deoksang Kim, Dae-Kyu Shin, Byungin Yoo, Seungju Han, Jaejoon Han, Jinwoo Son, Chang Kyu Choi
  • Publication number: 20230252120
    Abstract: A method and apparatus with selective combined authentication performs a single authentication based on a first modality among plural modalities, and in response to the single authentication having failed, determines whether to perform a combined authentication by a combination of two or more of the plural modalities, and selectively, depending on a result of the determining of whether to perform the combined authentication, performs the combined authentication.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 10, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jihye KIM, Seungju HAN, Jaejoon HAN, Minsu KO, SungUn PARK, Chang Kyu CHOI
  • Publication number: 20230253061
    Abstract: The present invention relates to a mechanical interconnect memory, and more particularly, to a mechanical interconnect memory applicable to smart interconnect technology that reduces the power consumption of an interconnect layer. A mechanical interconnect memory according to an embodiment of the present invention comprises: an upper electrode including: a spring part having at least one upward protruding portion between both ends of the spring part; and a moving part having one end of the moving part fixed to the at least one upward protruding portion of the spring part and the other end of the moving part being a free end of the moving part that is capable of moving up and down; and a lower electrode at least partially disposed under the moving part.
    Type: Application
    Filed: September 23, 2022
    Publication date: August 10, 2023
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jun-Bo YOON, Yong-bok Lee, Pan-kyu Choi, Su-hyun Kim, Tae-Soo Kim
  • Patent number: 11721495
    Abstract: A switching device in accordance with the present invention includes a first electrode and a second electrode, and the second electrode includes a body part and a cantilever connected to the body part. In addition, one end of a the cantilever comes into contact with the first electrode by an electrostatic force generated by a voltage applied to the first electrode and the second electrode, and the one end of the cantilever is separated from the first electrode due to heat generated by a voltage applied to both ends of the body part. In addition, the second electrode may include a 2-1 electrode, a 2-2 electrode, and an engineered beam connected in between.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Bo Yoon, Pan Kyu Choi, Yong Bok Lee, Subon Kim, Suhyun Kim
  • Patent number: 11720658
    Abstract: A processor-implemented method of performing authentication includes obtaining a first biometric information of a user according to a first modality; calculating a first score based on the first biometric information; filtering the first score; determining whether the filtered first score satisfies a second condition; and selectively, based on a result of the determining, authenticating the user based on the first score and a first condition corresponding to the first modality. The second condition is different from the first condition.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 8, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jihye Kim, Seungju Han, Jaejoon Han, Chang Kyu Choi
  • Patent number: 11723143
    Abstract: A system and method for dissipating heat from a package and reducing interference between signaling pins is disclosed. The system includes a circuit substrate that includes a dielectric layer and at least one metal layer having an external surface. A plurality of metal posts is disposed on the external surface that function to a least one of dissipate heat from the circuit substrate, shield interfering signals between the signaling pins, and interact with mounting substrates on corresponding componentry. One or more metal posts are merged, increasing the interference shielding and heat dissipation functions of the metal posts.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: August 8, 2023
    Assignee: Avago Technologies International Sales Pte. Limited
    Inventors: Chang Kyu Choi, Hyun Mo Ku, Sarah Kay Haney, Li Sun
  • Publication number: 20230245857
    Abstract: Provided is a plasma reaction device which can reduce a heating value through installation of a dual-coil type inductor in a resonant network circuit part, and a cooling method thereof. The plasma reaction device may include: a reactor part for exciting an input gas to be in a plasma state by using transformer coupled plasma; a resonant network circuit part electrically connected to the reactor part and including at least one inductor and at least one condenser; and a power supply part for applying power to the resonant network circuit part, wherein the inductor may comprise: a first coil which is formed between a first terminal and a second terminal and at least a portion of which is spirally wound to form a first cylindrical reception space inward; and a second coil which is formed between the first terminal and the second terminal to be connected to the first coil in series, and spirally wound in the first cylindrical reception space.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 3, 2023
    Inventors: Dai Kyu CHOI, Eun Seok LIM
  • Publication number: 20230245866
    Abstract: Provided is a plasma reaction apparatus capable of preventing edge cracks of a magnetic core by dividing the core, the plasma reaction apparatus including a reactor body having a gas inlet at a side thereof, a plasma outlet at another side thereof, and an annular loop space therein, and a magnetic core provided in a shape surrounding at least a part of the reactor body, and having a primary coil to generate plasma by exciting a gas in the annular loop space, wherein the magnetic core includes a middle core layer, an upper core layer mounted on the middle core layer, and a lower core layer mounted under the middle core layer, wherein the upper core layer is divided into a first core layer and a second core layer to prevent edge cracks of the upper core layer by reducing an upper thermal deviation, and wherein the lower core layer is divided into a third core layer and a fourth core layer to prevent edge cracks of the lower core layer by reducing a lower thermal deviation.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 3, 2023
    Inventors: Dai Kyu CHOI, Eun Seok LIM
  • Publication number: 20230245861
    Abstract: Disclosed is a plasma generating device which includes a reactor body having a gas injection hole on one side thereof, and a collector connected to an opposite side of the reactor body and having a collection space in an interior thereof. The reactor body and the collector provide a reaction space having a plasma channel in an interior thereof.
    Type: Application
    Filed: August 17, 2021
    Publication date: August 3, 2023
    Inventor: Dai Kyu CHOI
  • Publication number: 20230245026
    Abstract: The present disclosure relates to a smart-tag based work processing device and a work processing method, wherein the work processing device comprises a work object processing unit creating a work object that implements a work processing flow through a plurality of heterogeneous work units having a dependency relationship; a work processing flow controller creating a work unit of a first type through the work object and sequentially generating a work unit of a second type through the work unit of the first type; and a smart-tag processing unit identifying attribute information of the work unit of the second type when the corresponding work unit is created, automatically generating a smart-tag based on the attribute information, and combining the smart-tag into the work unit of the first type.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 3, 2023
    Applicants: Delta PDS CO., LTD.
    Inventors: Jae Ho CHOI, Hyun Kyu CHOI, Seo Hyun CHOI
  • Patent number: 11715329
    Abstract: Disclosed is a face verification method and apparatus. The method including analyzing a current frame of a verification image, determining a current frame state score of the verification image indicating whether the current frame is in a state predetermined as being appropriate for verification, determining whether the current frame state score satisfies a predetermined validity condition, and selectively, based on a result of the determining of whether the current frame state score satisfies the predetermined validity condition, extracting a feature from the current frame and performing verification by comparing a determined similarity between the extracted feature and a registered feature to a set verification threshold.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: August 1, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Wonsuk Chang, Deoksang Kim, Dae-Kyu Shin, Byungin Yoo, Seungju Han, Jaejoon Han, Jinwoo Son, Chang Kyu Choi
  • Patent number: 11715011
    Abstract: A neural network recognition method includes obtaining a first neural network that includes layers and a second neural network that includes a layer connected to the first neural network, actuating a processor to compute a first feature map from input data based on a layer of the first neural network, compute a second feature map from the input data based on the layer connected to the first neural network in the second neural network, and generate a recognition result based on the first neural network from an intermediate feature map computed by applying an element-wise operation to the first feature map and the second feature map.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: August 1, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungin Yoo, Youngsung Kim, Youngjun Kwak, Chang Kyu Choi
  • Publication number: 20230236406
    Abstract: Disclosed are a method of acquiring an image using a light-emitting element array and an apparatus therefor. The method of acquiring an image using a light-emitting element array includes reconstructing a first image from some images among source images, detecting a partial region containing a detection target object from the first image, acquiring partial-region images corresponding to the partial region from each of the source images, and reconstructing a second image from the partial-region images using the FPMP.
    Type: Application
    Filed: March 3, 2021
    Publication date: July 27, 2023
    Applicant: SMALL MACHINES
    Inventors: Jun Kyu CHOI, Hyung Jin OH, Jin Kyu SEO, Oh Jun GWON, Kyung Hun Lee
  • Publication number: 20230227274
    Abstract: The present disclosure relates to a mobility capable of automating loading and unloading of a cargo without the aid of manpower and an apparatus for loading and unloading a cargo. The mobility includes a cargo hold that accommodates a cargo; and a loading plate positioned to be spaced apart from a bottom of the cargo hold and installed so as to be able to tilt toward any one side of the mobility in the cargo hold.
    Type: Application
    Filed: June 13, 2022
    Publication date: July 20, 2023
    Inventors: Kye Yoon Kim, Ji A Lee, Ji Min Han, Ki Seok Sung, Jong Kyu Choi, Young Jun Byun, Jong Min Oh, Jae Hoon Chung