Patents by Inventor Ji-Hyeok CHOI

Ji-Hyeok 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: 20200324706
    Abstract: A luggage box includes a main box installed to be accommodated in and be drawn from a luggage side trim. A hidden box is connected to the main box so that the hidden box is operated together with the main box. The hidden box is disposed in a row with the main box when the main box is accommodated in the luggage side trim, and is movable to a main box accommodation space to be externally exposed when the main box drawn from the luggage side trim rotates.
    Type: Application
    Filed: October 24, 2019
    Publication date: October 15, 2020
    Inventors: Min Ho Cho, Seung Hyeok Chang, Jang Hyun Cho, Dae Min Lee, Ji Sun Choi, Seok Heon Yoon, Dong Hee Hong, Youn Woo Park, Jung Whan Kim, Dong Hyun Kim
  • Patent number: 10789083
    Abstract: Disclosed herein are a method and apparatus for virtual desktop service. The apparatus includes a connection manager configured to perform an assignment task of assigning a virtual machine to a user terminal using virtual desktop service, a resource pool configured to allocate software resources to a virtual desktop, wherein the software resources include an OS, applications, and user profiles, and a virtual machine infrastructure configured to support hardware resources including a CPU and a memory, wherein the connection manager is configured to perform a coordination task of coordinating a delivery protocol used between the user terminal and servers that provide the virtual desktop service, wherein the resource pool has a management function, wherein the management function is based on usage pattern information about a user's average usage of resources, and wherein the management function uses a physical distance on network from the user terminal to a server.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: September 29, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Won Kim, Sun-Wook Kim, Jong-Bae Moon, Myeong-Hoon Oh, Byeong-Thaek Oh, Soo-Cheol Oh, Seong-Woon Kim, Ji-Hyeok Choi, Hag-Young Kim, Wan Choi
  • Patent number: 10782880
    Abstract: Disclosed herein are an apparatus and method for providing storage for providing a cloud service. The apparatus includes a data distribution and storage unit for distributing data in order to store the data in integrated storage, including on-premises storage and cloud storage; a backend storage management unit for connecting to the integrated storage in order to store the data and providing information about storage tiering pertaining to the data; a data manipulation unit for providing the integrated storage as virtual data storage regardless of a location at which the data is actually stored; and a storage connection unit for providing a user with an interface for the virtual data storage as a single virtual storage unit.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: September 22, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Won Kim, Sun-Wook Kim, Seong-Woon Kim, Soo-Cheol Oh, Jae-Geun Cha, Ji-Hyeok Choi
  • Patent number: 10766794
    Abstract: A resource recovery method includes: feeding raw water to a first-stage raw water tank; supplying high-temperature vapor to a first-stage heat exchanger; performing heat exchange between the supplied high-temperature vapor and the raw water in the first-stage raw water tank, changing a portion of the water into vapor and supplying the changed vapor to a subsequent-stage heat exchanger; repeatedly performing the performing step for each of the raw water tanks sequentially in the order from a second state to a n-th stage; being feed to a crystallizer from the n-th stage raw water tank; detecting a turbidity of the raw water fed to the crystallizer from the n-th-stage raw water tank; and extracting crystals of valuable resources contained in the raw water fed to the crystallizer from the n-th-stage raw water tank when the turbidity of the raw water becomes a predetermined value.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: September 8, 2020
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Sang-Ho Lee, Jin-Sik Sohn, Yong-Jun Choi, Ji-Hyeok Choi, Yong-Hyun Shin
  • Publication number: 20200257452
    Abstract: An apparatus and method for processing sensitive data. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured to, in an unprotected data area, read sensitive data from a storage device and transmit the same to a protected data area using the sensitive-data storage endpoint of the protected data area; to, in the protected data area, process the sensitive data using at least one endpoint when a command for a sensitive-data service requested by a client device is received from the unprotected data area; and to, in the unprotected data area, transmit the result of processing the sensitive data to the client device.
    Type: Application
    Filed: December 9, 2019
    Publication date: August 13, 2020
    Inventors: Soo-Cheol OH, Dae-Won KIM, Sun-Wook KIM, Seong-Woon KIM, Jae-Geun CHA, Ji-Hyeok CHOI, Hyun-Hwa CHOI
  • Publication number: 20200210628
    Abstract: An integrated circuit including: a plurality of physically unclonable function (PUF) cells each configured to generate a cell signal having a unique value; a selector configured to output a first signal obtained by not inverting a cell signal output by a PUF cell selected from the plurality PUF cells and a second signal obtained by inverting the cell signal; and a key generator configured to generate a security key in response to the first signal or the second signal, wherein the selector includes a first conversion circuit configured to generate the first signal and a second conversion circuit having the same structure as the first conversion circuit and configured to generate the second signal.
    Type: Application
    Filed: August 28, 2019
    Publication date: July 2, 2020
    Inventors: BOHDAN KARPINSKYY, Yong-ki Lee, Ji-eun Park, Kyoung-moon Ahn, Yun-hyeok Choi
  • Publication number: 20200159497
    Abstract: A random number generator including: a first ring oscillator including a first inverter chain, the first inverter chain including a plurality of serially connected first inverters, the first ring oscillator configured to output a first random signal generated at a first sub-node between two neighboring first inverters among the plurality of first inverters; a second ring oscillator including a second inverter chain, the second inverter chain including a plurality of serially connected second inverters, the second ring oscillator configured to output a second random signal generated at a second sub-node between two neighboring second inverters among the plurality of second inverters; and a signal processing circuit for generating a random number by combining the first random signal with the second random signal.
    Type: Application
    Filed: August 15, 2019
    Publication date: May 21, 2020
    Inventors: Ji-eun PARK, Yong-ki LEE, Yun-hyeok CHOI, Bohdan KARPINSKYY
  • Patent number: 10656956
    Abstract: Disclosed herein are a virtual desktop server for supporting high-quality graphics processing and a method for processing high-quality graphics using the virtual desktop server. The virtual desktop server includes one or more virtual desktops for creating instructions for accelerated graphics processing by running a high-quality graphics application, one or more hardware-based graphics accelerators for creating screen data by executing the instructions for accelerated graphics processing and for storing the created screen data in a frame buffer, and a hypervisor for transmitting the screen data received from the virtual desktop to a client over a network, and the virtual desktop captures the screen data stored in the frame buffer, converts the captured screen data, and delivers the converted screen data to the hypervisor.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 19, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soo-Cheol Oh, Dae-Won Kim, Sun-Wook Kim, Jae-Geun Cha, Ji-Hyeok Choi, Seong-Woon Kim
  • Publication number: 20200110906
    Abstract: An encryption circuit includes a pipelined encryption core having a plurality of round cores therein. The pipelined encryption core is configured to perform a real round operation on each of a plurality of pieces of input data received therein and generate encryption data from the input data using an encryption operation comprising the real round operation. An encryption controller is provided, which is coupled to the pipelined encryption core. The encryption controller is configured to control the pipelined encryption core so that at least one of the plurality of round cores performs a virtual round operation as part of the encryption operation. The pipelined encryption core is configured to perform a virtual encryption operation using at least one of: (i) dummy data, and (ii) a dummy encryption key.
    Type: Application
    Filed: July 25, 2019
    Publication date: April 9, 2020
    Inventors: Hong-mook Choi, Jae-hyeok Kim, Ji-su Kang, Hyun-il Kim, Jong-hoon Shin, Hye-soo Lee
  • Publication number: 20200047593
    Abstract: A motor driven air vent device for a vehicle can perform not only left/right angular rotation operation of a vertical wing for adjusting a left/right-directional airflow direction of air discharged indoors but also an opening/closing operation of a damper for interrupting or allowing an indoor discharge of air using a link bar for performing a straight line motion to the left or right thereof by driving a motor and a cam plate for angularly rotating by the link bar, etc.
    Type: Application
    Filed: November 26, 2018
    Publication date: February 13, 2020
    Inventors: Young Ju Lee, Pill Yoon Kim, Byung Gyu Choi, Young Rok Lee, Choong Yeul Kim, Seung Hyeok Chang, Jae Seob Choi, Kwan Woo Lee, Won Sik Kim, Ji Hun Lee
  • Publication number: 20190351744
    Abstract: A motor-driven air vent device for a vehicle is provided. The motor-driven air vent device connects a horizontal wing of an air vent to an output shaft of a driving motor through a link structure and rotatably operates the driving motor in the forward direction or the reverse direction by a touch type switch operation. Accordingly, the vertical angular rotation operation for the horizontal wing is automatically performed by the operation of the link structure delivering the torque of the driving motor.
    Type: Application
    Filed: November 4, 2018
    Publication date: November 21, 2019
    Inventors: Young Ju Lee, Pill Yoon Kim, Byung Gyu Choi, Young Rok Lee, Choong Yeul Kim, Seung Hyeok Chang, Jae Seob Choi, Kwan Woo Lee, Won Sik Kim, Ji Hun Lee
  • Publication number: 20190272289
    Abstract: Disclosed herein is a video search device comprising: at least one processor configured to implement an updating unit generating event object information based on feature information on an object detected in a video; and a storage configured to store comparison object information containing feature information on a reference object, wherein the processor is further configured to implement: an object information generating/deleting unit configured to create information on an object having a predetermined degree of similarity between the event object information and the comparison object information as final object information, and storing the final object information in the storage; and a data searching unit searching the final object information for data that satisfies a search criterion entered by a user.
    Type: Application
    Filed: May 21, 2019
    Publication date: September 5, 2019
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Jae Won CHOI, Jeong Hun LEE, Kye Won KIM, Ji Man KIM, Sang Wook LEE, Jong Hyeok LEE, Jae Woon BYUN, Ho Jung LEE, Jin Hyuk CHOI, Sweung Won CHEUNG, Yeon Woo KIM, Jin YOON
  • Patent number: 10379891
    Abstract: Disclosed herein are an apparatus and method for in-memory-based virtual desktop service. The apparatus for in-memory-based virtual desktop service includes a connection broker for performing a task for coordinating a delivery protocol that is used between at least one user terminal that uses virtual desktop service and multiple servers that provide the virtual desktop service, a resource pool for providing software resources including an Operating System (OS) for the virtual desktop service; and virtual machine infrastructure for supporting hardware resources, and dynamically allocating software stored in the software resources to the hardware resources.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: August 13, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soo-Cheol Oh, Dae-Won Kim, Sun-Wook Kim, Jong-Bae Moon, Myeong-Hoon Oh, Byeong-Thaek Oh, Jung-Hyun Cho, Seong-Woon Kim, Hag-Young Kim, Ji-Hyeok Choi
  • Publication number: 20190144309
    Abstract: A resource recovery method includes: feeding raw water to a first-stage raw water tank; supplying high-temperature vapor to a first-stage heat exchanger; performing heat exchange between the supplied high-temperature vapor and the raw water in the first-stage raw water tank, changing a portion of the water into vapor and supplying the changed vapor to a subsequent-stage heat exchanger; repeatedly performing the performing step for each of the raw water tanks sequentially in the order from a second state to a n-th stage; being feed to a crystallizer from the n-th stage raw water tank; detecting a turbidity of the raw water fed to the crystallizer from the n-th-stage raw water tank; and extracting crystals of valuable resources contained in the raw water fed to the crystallizer from the n-th-stage raw water tank when the turbidity of the raw water becomes a predetermined value.
    Type: Application
    Filed: January 17, 2019
    Publication date: May 16, 2019
    Applicant: Kookmin University Industry Academy Cooperation Foundation
    Inventors: Sang-Ho LEE, Jin-Sik SOHN, Yong-Jun CHOI, Ji-Hyeok CHOI, Yong-Hyun SHIN
  • Publication number: 20190121899
    Abstract: Disclosed herein are an apparatus and method for managing integrated storage. The apparatus includes a data distribution and storage unit for distributing data in order to store the data in integrated storage, including on-premises storage and cloud storage; a storage management unit for connecting to the integrated storage in order to store the data and providing information about storage tiering pertaining to the data; a data manipulation unit for providing the integrated storage as virtual data storage regardless of a location at which the data is actually stored; and a storage connection unit for providing a user with an interface for the created virtual data storage as a single virtual storage unit, wherein the information about storage tiering varies depending on the performance of storage, the time during which the data is used, and the frequency with which the data is accessed.
    Type: Application
    Filed: September 4, 2018
    Publication date: April 25, 2019
    Inventors: Dae-Won KIM, Sun-Wook KIM, Seong-Woon KIM, Soo-Cheol OH, Jae-Geun CHA, Ji-Hyeok CHOI
  • Patent number: 10241818
    Abstract: Disclosed herein is an in-memory virtual desktop system, which stores a virtual desktop image in main memory in order to prevent a load from being concentrated on a disk, and operates a virtual desktop using the virtual desktop image. The disclosed system includes an in-memory virtual desktop system, including hardware including main memory for storing virtual desktop images, and a hypervisor for virtualizing resources of the hardware and providing virtualized resources to a virtual desktop.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: March 26, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soo-Cheol Oh, Dae-Won Kim, Sun-Wook Kim, Seong-Woon Kim, Jong-Bae Moon, Byeong-Thaek Oh, Jung-Hyun Cho, Hag-Young Kim, Myeong-Hoon Oh, Ji-Hyeok Choi
  • Patent number: 10239770
    Abstract: A multi-stage submerged membrane distillation water treatment apparatus including: a plurality of raw water tanks arranged in multiple stages ranging from a first stage to an n-th stage and storing raw water, the raw water flowing sequentially from the first stage to the n-th stage; membrane distillation (MD) modules submerged in the respective raw water tanks and discharging a portion of the raw water as vapor; heat exchangers submerged in the respective raw water tanks and maintaining the raw water at a predetermined temperature by performing heat exchange between the raw water and vapor supplied from the respective previous-stage MD modules; a vapor generator generating and supplying high-temperature vapor to the first-stage heat exchanger; a condenser condensing vapor supplied by the n-th-stage MD module; and a raw water feeder feeding low-temperature raw water to the first-stage raw water tank via the condenser.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: March 26, 2019
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Sang-Ho Lee, Yong-Jun Choi, Jin-Sik Sohn, Yong-Hyun Shin, Ji-Hyeok Choi
  • Publication number: 20190065061
    Abstract: Disclosed herein are an apparatus and method for providing storage for providing a cloud service. The apparatus includes a data distribution and storage unit for distributing data in order to store the data in integrated storage, including on-premises storage and cloud storage; a backend storage management unit for connecting to the integrated storage in order to store the data and providing information about storage tiering pertaining to the data; a data manipulation unit for providing the integrated storage as virtual data storage regardless of a location at which the data is actually stored; and a storage connection unit for providing a user with an interface for the virtual data storage as a single virtual storage unit.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 28, 2019
    Inventors: Dae-Won KIM, Sun-Wook KIM, Seong-Woon KIM, Soo-Cheol OH, Jae-Geun CHA, Ji-Hyeok CHOI
  • Publication number: 20180293090
    Abstract: Disclosed herein are a virtual desktop server for supporting high-quality graphics processing and a method for processing high-quality graphics using the virtual desktop server. The virtual desktop server includes one or more virtual desktops for creating instructions for accelerated graphics processing by running a high-quality graphics application, one or more hardware-based graphics accelerators for creating screen data by executing the instructions for accelerated graphics processing and for storing the created screen data in a frame buffer, and a hypervisor for transmitting the screen data received from the virtual desktop to a client over a network, and the virtual desktop captures the screen data stored in the frame buffer, converts the captured screen data, and delivers the converted screen data to the hypervisor.
    Type: Application
    Filed: March 16, 2018
    Publication date: October 11, 2018
    Inventors: Soo-Cheol OH, Dae-Won KIM, Sun-Wook KIM, Jae-Geun CHA, Ji-Hyeok CHOI, Seong-Woon KIM
  • Patent number: 10089133
    Abstract: Disclosed herein are an apparatus and method for virtual desktop service. The apparatus for virtual desktop service includes a connection broker for performing a task for coordinating a delivery protocol that is used between at least one user terminal that uses virtual desktop service and multiple servers that provides the virtual desktop service, a resource pool for providing software resources including an Operating System (OS) for the virtual desktop service, and virtual machine infrastructure for supporting hardware resources.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: October 2, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myeong-Hoon Oh, Dae-Won Kim, Sun-Wook Kim, Jong-Bae Moon, Byeong-Thaek Oh, Soo-Cheol Oh, Jung-Hyun Cho, Seong-Woon Kim, Hag-Young Kim, Ji-Hyeok Choi