Patents by Inventor Yong In CHOI

Yong In 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: 20210232064
    Abstract: A printer includes a main body, a development cartridge attachable to and detachable from the main body, the development cartridge to supply toner contained in a toner container to an electrostatic latent image formed on a photoconductor, to form a visible toner image, a mounting portion including a toner inlet portion connected to the toner container, where a toner cartridge usable to refill toner in the toner container is mountable to the mounting portion, an inlet shutter rotatably provided in the mounting portion to be rotatable together with the toner cartridge, the inlet shutter rotatable between a blocking position to block the toner inlet portion from receiving toner and an inlet position to open the toner inlet portion to receive toner, a locking unit to selectively lock and unlock the inlet shutter, and a controller to control the locking unit to selectively lock and unlock the inlet shutter based on whether the toner cartridge is mounted to the mounting portion.
    Type: Application
    Filed: April 30, 2019
    Publication date: July 29, 2021
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Yong-Kwan CHO, Woong-Yong CHOI
  • Patent number: 11076394
    Abstract: The MAC frame in a wireless communication system includes a terminal ID allocated to each of multiple terminals. At least one connection ID is allocated to each terminal having the terminal ID, and sub-carrier allocation information is allocated to each connection having the connection ID. The sub-carrier allocation information includes a sub-carrier allocation status for each sub-carrier, and the number of allocated information bits for each sub-carrier. The sub-carrier allocation status and the number of allocated information bits for each sub-carrier can be allocated, by sub-carriers, to the sub-carrier allocation information using a same number of bits; or the information on the sub-carrier allocation status is first allocated to the sub-carrier allocation information and the number of allocated information bits for each sub-carrier is allocated.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: July 27, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyoung-Soo Lim, Woo-Yong Choi, Yong-Sun Kim, Jae-Young Ahn
  • Publication number: 20210225535
    Abstract: A heat transferring device includes a pumping structure, and more specifically, a heat transferring device having a pumping structure, in which a working fluid of a cooling part is movable in an upward direction without a separate power source, and capable of using gravity while recovering the working fluid, and applying various heat sources to a heating part. To this end, a heat transferring device includes a heating part configured to heat a liquid working fluid and change the liquid working fluid to a gas state, a cooling part configured to cool the gaseous working fluid supplied from the heating part and change the gaseous working fluid to a liquid state, a pressurizing part configured to allow the heating part and the cooling part to communicate with each other so that the gaseous working fluid pressurizes the liquid working fluid, and a recovery part configured to move the liquid working fluid supplied from the cooling part to the heating part.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 22, 2021
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Sung-Jae YI, Sung Uk RYU, Hyun Sik PARK, Ki Yong CHOI
  • Patent number: 11064804
    Abstract: The present invention relates to an image sound device having a display portion that can appear/disappear, the device comprising: a housing, the upper end of which is open, and which has a space provided therein; a display portion installed inside the housing to be able to output images; an elevating unit installed inside the housing and below the display portion such that the display portion can be made to protrude through the upper end of the housing; and a motor control portion for controlling the elevating unit such that the display portion can be positioned at two or more heights.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: July 20, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-yong Choi, Ha-Na Kim, Jee-hoon Park, You-na Choo, Soo-hyun Whang
  • Patent number: 11052305
    Abstract: A curling game apparatus including a main body, a curling table provided on the upper end of the body, and a curling ball formed in the perfect spherical shape as a rigid body and moved on the curling table. The curling table includes an upper plate provided along a bottom surface and a periphery of an upper end of the main body, a plurality of cushion bars provided inside the upper plate, and an upper plate surface portion horizontally provided on a surface of the upper plate. The upper plate surface portion is provided with at least one hit line for hitting the curling ball and at least one target to which the curling ball starts from the hit line by hitting to reach. The curling ball is reflected by the cushion bars to move to the target while the curling ball rotates with the hitting point thereof.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: July 6, 2021
    Inventor: Hae-Yong Choi
  • Publication number: 20210201585
    Abstract: A user wears a virtual reality mask (VR mask) (100) and then watches a virtual reality image. The VR mask (100) blocks light incident from the outside. When the user wears the VR mask (100), the user cannot discover an obstacle (500) positioned outside the VR mask (100). The user may collide with the obstacle (500) and may be injured by the obstacle (500). Accordingly, in order to prevent injury to the user who uses the VR mask (100), it is necessary to make the user recognize the obstacle (500) positioned outside the VR mask (100). In order to recognize an obstacle, a virtual reality image and the obstacle may be displayed together, or the amount of light incident from the outside may be adjusted.
    Type: Application
    Filed: November 27, 2020
    Publication date: July 1, 2021
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Min Chul PARK, Ji Hoon KANG, Jun Yong CHOI, Kyul KO, Dae Hwan AHN, Dae Yeon KIM, Hyun Woo KO
  • Publication number: 20210202659
    Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.
    Type: Application
    Filed: December 7, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Publication number: 20210178990
    Abstract: A moveable seat control apparatus with an automatically chargeable battery, may include a seat including a moving motor engaged to the seat and configured to selectively move the seat along a rail, a battery positioned below the seat, and configured to receive power to perform charge, and to supply the charged power, a controller positioned below the seat and connected to the battery, and configured to monitor a state of charge (SOC) value of the battery to generate SoC information, and to control the moving motor to move the seat to a charge position when the SoC is equal to or less than a predetermined SoC, and a charger connected to the battery and coupled to a power supply terminal to receive the power and to charge the battery.
    Type: Application
    Filed: August 19, 2020
    Publication date: June 17, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., Ltd-Dongtan
    Inventors: So Young Yoo, Hyo Cheol Kang, Doo Ri Kim, Hyung Jin Park, Yo Han Kim, Sung Hyun Hwang, Seon Chae Na, Sang Uk Yu, Dong Hoon Lee, Byung Yong Choi, Sang Young Park, Tae Hong Han
  • Publication number: 20210184885
    Abstract: Disclosed herein are a method for managing an access control list based on an automotive Ethernet and an apparatus for the same. The method includes analyzing a new access control rule that is input to a vehicle in which the automotive Ethernet is applied, searching for any one target unit to manage the new access control rule in consideration of at least one of a destination and an application target corresponding to the new access control rule, and storing the new access control rule by transmitting a storage request message corresponding to the new access control rule to the target unit.
    Type: Application
    Filed: October 22, 2020
    Publication date: June 17, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joong-Yong CHOI, Dong-Wook KANG, Dae-Won KIM, Sang-Woo LEE, Jin-Yong LEE, Boo-Sun JEON, Bo-Heung CHUNG, Hong-Il JU, Byeong-Cheol CHOI
  • Publication number: 20210178989
    Abstract: A system and method of charging a battery of a seat in which a seat battery for supplying power to an additional device as well as movement of the position of the seat is positioned in the seat, and thus, even if the position of the seat is changed, it is possible to supply continuous power to an additional device included in the seat. In addition, the position of the seat is moved to charge the seat battery, and the seat battery provided in the seat is charged in consideration of whether the passenger sits on the seat, the state of charge of the battery of the vehicle, or the like, thereby smoothly charging the seat battery.
    Type: Application
    Filed: August 19, 2020
    Publication date: June 17, 2021
    Inventors: So Young Yoo, Doo Ri Kim, Hyung Jin Park, Yo Han Kim, Dong Hoon Lee, Seon Chae Na, Sang Uk Yu, Byung Yong Choi, Sang Young Park, Tae Hong Han
  • Publication number: 20210185070
    Abstract: Disclosed herein are a lightweight intrusion detection method and apparatus for a vehicle network. The lightweight intrusion detection method may include collecting Ethernet packets from a domain gateway of a vehicle that provides a mirroring port, performing a primary intrusion detection check on the Ethernet packets using a rule-based intrusion detection technique, and performing a secondary intrusion detection check on the Ethernet packets using a machine learning-based intrusion detection technique when no intrusion attack is detected as a result of the primary intrusion detection check.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 17, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Boo-Sun JEON, Dong-Wook KANG, Dae-Won KIM, Sang-Woo LEE, Jin-Yong LEE, Bo-Heung CHUNG, Hong-Il JU, Byeong-Cheol CHOI, Joong-Yong CHOI
  • Patent number: 11036164
    Abstract: A toner cartridge includes a container having an opening, a flexible bag in which toner is received, a sealing portion configured to seal the flexible bag, and an extension extending from an edge of the sealing portion, the flexible bag being accommodated in the container so that the sealing portion faces the opening, a rotatable member rotatably provided on the container, a movable member connected to the extension and being movable from a first position close to the opening to a second position far from the opening in a longitudinal direction of the container, a rope having a first end portion connected to the rotatable member and a second end portion connected to the movable member, and a bias member configured to elastically bias the rotatable member to rotate in a direction in which the rope is switched from an unwound state to a wound state.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 15, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Woong Yong Choi, Seung Gweon Lee, Jin Hwa Hong
  • Publication number: 20210174607
    Abstract: Disclosed herein are a method for replacing vehicle parts using an in-vehicle network based on an automotive Ethernet and a system for the same. The method is configured such that a vehicle diagnosis module included in a vehicle performs vehicle self-diagnosis, such that the vehicle and a vehicle manufacturer server perform an authentication process for a new part when a vehicle part is replaced based on a vehicle part replacement agreement procedure between the terminal of a vehicle owner and the maintenance terminal of a vehicle maintenance company, and such that the terminal of the vehicle owner checks whether replacement of the vehicle part is performed normally by requesting an integrity check result from each of the vehicle and the vehicle manufacturer server when the maintenance terminal transmits a part replacement completion message to the terminal of the vehicle owner after completion of the authentication process.
    Type: Application
    Filed: November 19, 2020
    Publication date: June 10, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hong-Il JU, Dong-Wook KANG, Dae-Won KIM, Sang-Woo LEE, Jin-Yong LEE, Boo-Sun JEON, Bo-Heung CHUNG, Byeong-Cheol CHOI, Joong-Yong CHOI
  • Patent number: 11028263
    Abstract: A polyoxymethylene resin composition including a polyoxymethylene homopolymer, a polyhydric alcohol, and a calcium phosphate compound, which has excellent thermal stability and a low weight-reduction rate and thus can be favorably used in various industrial fields and used as an engineering plastic in fields of machine parts and the like.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: June 8, 2021
    Assignee: KOREA ENGINEERING PLASTICS CO., LTD.
    Inventors: Seung Hwan Joo, Chang Ho Lee, Kwan Yong Choi
  • Publication number: 20210162666
    Abstract: Examples of a print a print particle replenishment device are described. In some examples, a print particle replenishment device includes a rotating member to rotate about a central axis of the print particle replenishment device. In some examples, the rotating member includes an opening offset from the central axis. In some examples of a print particle replenishment device, a nozzle is offset from the central axis, where the nozzle is to slide with respect to an interior plane of the rotating member to align with the opening to transfer print particles through the nozzle and opening when in an open position. In some examples, a print particle replenishment device includes an extension that protrudes with respect to the opening to engage a port cover of a host device to move the port cover to open a port for replenishment at rotation.
    Type: Application
    Filed: August 30, 2018
    Publication date: June 3, 2021
    Inventors: Ji-Won MOON, Min-Chul LEE, Woong-Yong CHOI, Matthew James STOREY, Jefferson Blake WEST, Zackary Thomas HICKMAN
  • Publication number: 20210165752
    Abstract: An electronic device includes a peripheral device, a processor, an interrupt controller configured to manage interrupts generated by the peripheral device and the processor on the basis of a register, and a virtualizer, wherein the virtualizer may be configured to virtualize a portion of the processor and a portion of the at least one peripheral device to generate a first partition, generate first interrupt information corresponding to an interrupt usable in the first partition, generate first processor information corresponding to a portion of the processor usable in the first partition, check whether a configuration of the register is related to at least one of the first interrupt information and the first processor information when the register is configured by the first partition, and allow the configuration of the register when the configuration of the register is related to the at least one information.
    Type: Application
    Filed: November 25, 2020
    Publication date: June 3, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong Wook KANG, Dae Won KIM, Jin Yong LEE, Boo Sun JEON, Bo Heung CHUNG, Hong Il JU, Joong Yong CHOI, Ik Kyun KIM, Byeong Cheol CHOI
  • Publication number: 20210160451
    Abstract: The present disclosure relates to a display apparatus including a display on which an image is displayed, and a rotating device to rotate the display, wherein the rotating device includes a fixed bracket, a rotating bracket to rotate relative to the fixed bracket and rotate the display, a torsion spring disposed between the fixed bracket and the rotating bracket to apply a rotational force in a second direction opposite to the first direction when the display rotates in a first direction, and a friction member to generate rotational friction when the rotating bracket rotates.
    Type: Application
    Filed: September 13, 2018
    Publication date: May 27, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Sik YOON, Sung Soo JUNG, Dae Su CHOI, Hyun Yong CHOI, Hyun Jun JUNG
  • Patent number: 11018279
    Abstract: A light emitting device can include a sapphire substrate; a first conductivity type semiconductor layer disposed on the sapphire substrate; an active layer disposed on the first conductivity type semiconductor layer; a plurality of p-type conductors disposed on the active layer, and separated from each other; a first pad disposed on the first conductivity type semiconductor layer; and a second pad disposed on the plurality of p-type conductors, in which the plurality of p-type conductors are arranged in a first direction, the second pad is spaced apart from the first pad in a second direction, the second direction is perpendicular to the first direction, each of the plurality of p-type conductors has a first width in the first direction and a second width in the second direction, the first width being less than the second width, the plurality of p-type conductors are evenly spaced apart by a first distance in the first direction, and the first distance being less than the first width of each of the plurality
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: May 25, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong Lee, Min Sung Kim, Su Ik Park, Youn Joon Sung, Kwang Yong Choi
  • Publication number: 20210149327
    Abstract: A development cartridge is provided. The development cartridge includes a toner container, having a first air vent and a second air vent, to accommodate a toner, a developing portion to receive the toner from the toner container and having a developing roller installed therein, a toner refilling portion, connected to an end of the toner container in a longitudinal direction, to provide the toner container with a passage for refilling the toner, a filter installed in the first air vent to reduce leakage of the toner, and a pressure releasing member to communicate with the toner container via the second air vent and being transformable in a contracted state and an expanded state to expand a volume of the toner container, wherein the first air vent is formed at a position farther from the toner refilling portion than the second air vent.
    Type: Application
    Filed: December 4, 2018
    Publication date: May 20, 2021
    Inventors: Seung Gweon Lee, Ji Won Moon, Woong Yong Choi, Yong Il Moon, Yong Nam Ahn, Jin Hwa Hong
  • Publication number: 20210140027
    Abstract: Provided are a refractory article, an anti-redox coating composition, and a method of manufacturing the refractory article. The refractory article includes: a platinum (Pt)-based substrate; and a coating layer for preventing a redox reaction on a surface of the Pt-based substrate, wherein the coating layer for preventing a redox reaction includes on an oxide basis SiO2 in an amount of about 40 wt % to about 70 wt %, Al2O3 in an amount of about 20 wt % to about 52 wt %, B2O3 in an amount of about 3 wt % to about 6 wt %; and CaO in an amount of about 2.4 wt % to about 4.8 wt %.
    Type: Application
    Filed: June 18, 2018
    Publication date: May 13, 2021
    Inventors: Myeong-jin Cho, Hong-goo Choi, Soon-yong Choi, Ki-ju Kwak, Yong-won Lee, Yun-Kyung Sung