Patents by Inventor Chung Hyun

Chung Hyun 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).

  • Patent number: 9861301
    Abstract: Disclosed is a service method and system for providing a service based on a moving path of a user. A service method configured as a computer may include receiving location information from a terminal of a user in response to a determination that a mode set by the user is an exercise mode, measuring a moving path of the user based on the location information, managing target information corresponding to at least one of a type of exercise that the user is doing and a predetermined path, and providing the target information to the user based on the measured moving path.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: January 9, 2018
    Assignee: NHN Entertainment Corporation
    Inventors: Gwang-Yeon Hwang, Dae Woo Cho, Jeong Kwon Yang, Chung Hyun Yu, Hye Ran Lee, Kwang Min Kim
  • Patent number: 9690276
    Abstract: Disclosed are a customized scent diffusing device and a customized scent diffusing method for effectively transferring sensibility which can be felt from contents to a user by diffusing a most appropriate scent by synchronization with digital contents. According to various exemplary embodiments of the present invention, although odor effect information in 4D contents does not correspond to a spice cartridge configuration in a scent diffusing device, an appropriate odor can be provided through combining or mixing spice cartridges in the scent diffusing device.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: June 27, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji Hoon Choi, Chung Hyun Ahn
  • Publication number: 20170141195
    Abstract: Provided is a semiconductor substrate including a seed layer disposed on a substrate, a buffer layer disposed on the seed layer, a plurality of nitride semiconductor layers disposed on the buffer layer, and at least one stress control layer between the plurality of nitride semiconductor layers. The buffer layer includes a plurality of step regions and at least one heterogeneous region. The plurality of step regions includes the same nitride semiconductor material. The heterogeneous region includes a different nitride semiconductor material from the step regions.
    Type: Application
    Filed: January 3, 2017
    Publication date: May 18, 2017
    Inventors: Kye-Jin LEE, Ho-Jun LEE, Young-Jae CHOI, Jung-Hyun EUM, Chung-Hyun LEE
  • Publication number: 20170140825
    Abstract: A solid state drive (SSD) device includes nonvolatile memory devices, a controller, a main power supply circuit and an auxiliary reprogram device. The controller controls the nonvolatile memory devices. The main power supply circuit provides an operation voltage to the nonvolatile memory devices and the controller using a supply voltage provided through a power line. The auxiliary reprogram device provides an auxiliary supply voltage to the nonvolatile memory devices and the controller and generates a reprogram command. The controller is configured to, if the SSD is not powered, perform periodically at a first period a reprogram operation on the nonvolatile memory devices.
    Type: Application
    Filed: October 25, 2016
    Publication date: May 18, 2017
    Inventors: JI-WON PARK, HO-JIN CHUN, CHUNG-HYUN RYU
  • Publication number: 20170105290
    Abstract: A substrate support frame includes a body having an upper surface for supporting a first module substrate and a lower surface for supporting a second module substrate, and including a plurality of extending portions that define a cavity for receiving semiconductor devices mounted on first and second module substrates, a curved portion protruding outwardly from a first one of the extending portions of the body corresponding to a position of a flexible substrate that electrically connects the first and second module substrates to each other, the curved portion having a curved sectional shape protruding toward the flexible substrate, and a fastening hole penetrating through the first one of the extending portions of the body and configured to receive a screw to couple the body to at least one of the first and second module substrates.
    Type: Application
    Filed: October 4, 2016
    Publication date: April 13, 2017
    Inventors: Yu-Sung Kim, Ji-Yong Kim, Chung-Hyun Ryu
  • Publication number: 20170105314
    Abstract: A heat sink for a memory module includes a thermally conductive base plate configured to be mounted to a module board underneath the base plate, a plurality of radiation fins protruding upwardly from the base plate, and a pocket cover extending upwardly from an opening that is formed in the base plate to be positioned corresponding to a passive device on the module board, and covering the passive device that protrudes through the opening.
    Type: Application
    Filed: August 5, 2016
    Publication date: April 13, 2017
    Inventors: Ji-Yong Kim, Yu-Sung Kim, Chung-Hyun Ryu, Sung-Ki Lee
  • Publication number: 20170084332
    Abstract: A power supply circuit may include a first power converter that may be configured to generate a first inner supply voltage having a first voltage level based on a first external supply voltage and to output the first inner supply voltage to a first node that is coupled to the first node, a second power converter that may be configured to generate a second inner supply voltage having the first voltage level based on a second external supply voltage and to output the second inner supply voltage to a second node that is coupled to the second node, a first diode that may include an anode coupled to the first node and a cathode coupled to the second node, and a second diode that may include an anode coupled to the second node and a cathode coupled to the first node.
    Type: Application
    Filed: June 29, 2016
    Publication date: March 23, 2017
    Inventors: Hyoung-Taek LIM, Chung-Hyun RYU
  • Publication number: 20170067968
    Abstract: Provided are an auxiliary power supply test method and an electronic apparatus to which the same is applied. The auxiliary power supply test method includes: applying a charging disable signal, which interrupts a charging operation by an auxiliary power supply unit for a predetermined period of time, to the auxiliary power supply unit; monitoring a charging voltage of the auxiliary power supply unit in a time interval in which the charging disable signal is applied to the auxiliary power supply unit; determining whether the auxiliary power supply unit is defective, based on whether the monitored charging voltage is less than a predetermined threshold voltage, wherein the auxiliary power supply unit supplies auxiliary power, obtained based on the charging voltage, to a system power supply line in a case of a sudden power-off.
    Type: Application
    Filed: June 17, 2016
    Publication date: March 9, 2017
    Inventors: Woo-sung Lee, Hyoung-taek Lim, Chung-hyun Ryu, Jong-wook Jeong, Su-yong An
  • Publication number: 20170063082
    Abstract: Methods of operating a power supply switching circuit including selecting a first power supply signal for provisioning through the power supply switching circuit to a electronic storage device. A current draw can be detected via the first power supply signal that exceeds a predetermined current limit and a second power supply signal can be coupled to the first power supply signal for provisioning through the power supply switching circuit to the electronic storage device responsive to the current draw exceeding the predetermined current limit.
    Type: Application
    Filed: June 23, 2016
    Publication date: March 2, 2017
    Inventors: WOO-SUNG LEE, CHUNG-HYUN RYU, SANG-HUN JEON, JAE-WOONG CHOI, SANG-SIK HEO
  • Patent number: 9583575
    Abstract: Provided is a semiconductor substrate including a seed layer disposed on a substrate, a buffer layer disposed on the seed layer, a plurality of nitride semiconductor layers disposed on the buffer layer, and at least one stress control layer between the plurality of nitride semiconductor layers. The buffer layer includes a plurality of step regions and at least one heterogeneous region. The plurality of step regions includes the same nitride semiconductor material. The heterogeneous region includes a different nitride semiconductor material from the step regions.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: February 28, 2017
    Assignee: LG SILTRON INC.
    Inventors: Kye-Jin Lee, Ho-Jun Lee, Young-Jae Choi, Jung-Hyun Eum, Chung-Hyun Lee
  • Publication number: 20160342346
    Abstract: A method of controlling a temperature of a non-volatile storage device includes determining whether the temperature of the non-volatile storage device is greater than a control engagement temperature, and adjusting a data I/O performance level P when the temperature of the non-volatile storage device is greater than the control engagement temperature. The non-volatile storage device may operate at the maximum performance level in a range in which the non-volatile storage device is protected from heat.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Inventors: Jae-beom Byun, Hu Zhao, Jong-gyu Park, Do-il Kong, Chung-hyun Ryu, Eok-soo Shim
  • Publication number: 20160323645
    Abstract: Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.
    Type: Application
    Filed: July 11, 2016
    Publication date: November 3, 2016
    Inventors: Sung-Hoon KIM, Chung Hyun AHN, Sukhee CHO, Jin Woong KIM, Jin Soo CHOI, Jin Woo HONG
  • Publication number: 20160231720
    Abstract: Disclosed are a customized scent diffusing device and a customized scent diffusing method for effectively transferring sensibility which can be felt from contents to a user by diffusing a most appropriate scent by synchronization with digital contents. According to various exemplary embodiments of the present invention, although odor effect information in 4D contents does not correspond to a spice cartridge configuration in a scent diffusing device, an appropriate odor can be provided through combining or mixing spice cartridges in the scent diffusing device.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 11, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji Hoon CHOI, Chung Hyun AHN
  • Patent number: 9392255
    Abstract: Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: July 12, 2016
    Assignee: Electronics and Telecommunication Research Institute
    Inventors: Sung-Hoon Kim, Chung Hyun Ahn, Sukhee Cho, Jin Woong Kim, Jin Soo Choi, Jin Woo Hong
  • Patent number: 9380288
    Abstract: Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing the 2D video ES and the 3D supplementary ES; a PSI generator for generating a PSI; a TS generator for generating 2D video TS and 3D supplementary TS for the 2D video PES and the 3D supplementary PES; a multiplexer for multiplexing the transport streams to transmit the 2D video TS as a normal stream and transmit the 3D supplementary TS, the PSI TS and 3D video synch data TS as robust stream; and a modulator for modulating the multiplexed TS according to a DTV specification and transmitting the modulated TS.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: June 28, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung-Hoon Kim, Byung-Jun Bae, Kug-Jin Yun, Jae-Young Lee, Seung-Won Kim, Chung-Hyun Ahn, Nam-Ho Hur, Soo-In Lee, Chieteuk Ahn
  • Patent number: 9363641
    Abstract: Disclosed are a system and a service method for providing a digital content based on a moving path of a user. A service method may include storing and managing data in which coordinates of a map are converted to Geo-Hash coordinates according to a Geo-Hash algorithm, receiving location information from a terminal of a user, converting the location information to the Geo-Hash coordinates, and providing, to the terminal, information about digital content allocated to a Geo-Hash area including adjacent Geo-Hash coordinates based on the Geo-Hash coordinates. The terminal may be configured to determine the digital content to be provided to the terminal based on information about the digital content allocated to the Geo-Hash area and new location information of the terminal.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: June 7, 2016
    Assignee: NHN Entertainment Corporation
    Inventors: Jeong-Kwon Yang, Chung-Hyun Yu, Dae Woo Cho
  • Publication number: 20150357418
    Abstract: Provided is a semiconductor substrate including a seed layer disposed on a substrate, a buffer layer disposed on the seed layer, a plurality of nitride semiconductor layers disposed on the buffer layer, and at least one stress control layer between the plurality of nitride semiconductor layers. The buffer layer includes a plurality of step regions and at least one heterogeneous region. The plurality of step regions includes the same nitride semiconductor material. The heterogeneous region includes a different nitride semiconductor material from the step regions.
    Type: Application
    Filed: January 3, 2014
    Publication date: December 10, 2015
    Applicant: LG SILTRON INC.
    Inventors: Kye-Jin LEE, Ho-Jun LEE, Young-Jae CHOI, Jung-Hyun EUM, Chung-Hyun LEE
  • Publication number: 20150242678
    Abstract: A method and apparatus of recognizing a facial expression using a local feature-based adaptive decision tree are provided. A method of recognizing a facial expression by a facial expression recognition apparatus may include splitting a facial region included in an input image into local regions, extracting a facial expression feature from each of the local regions using a preset feature extracting algorithm, and recognizing a facial expression from the input image using the extracted facial expression feature based on a decision tree generated by repeatedly classifying facial expressions into two classes until one facial expression is contained in one class and determining a facial expression feature for a corresponding classification.
    Type: Application
    Filed: January 16, 2015
    Publication date: August 27, 2015
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: In Jae LEE, Chung Hyun AHN, Ji Hun CHA, Sang Youn LEE, Ji Hun OH, Yu Seok BAN
  • Publication number: 20150187139
    Abstract: This disclosure provides an apparatus of providing augmented reality, comprising an image obtaining unit obtaining an image including objects, a location information extracting unit obtaining location information on the image, a candidate object extracting unit extracting a target object by analyzing features of a subject in the image, defining the objects in a space as candidate objects, and extracting information on directions of the candidate objects from a center of the image, a final candidate object determining unit determining a final candidate object using the location information on the image, the directions of the candidate objects, and each relationship in phase between the objects, and an object information extracting unit searching information on the final candidate object based on the location information on the final candidate object in a space information database and displaying the information on the final candidate object on the image.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 2, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Chung Hyun AHN
  • Publication number: 20150171666
    Abstract: An energy storage system that includes an uninterruptible power supply configured to supply first power to a load and a battery array comprising a backup battery unit. The system further includes a controller to cut off the first power supplied by the uninterruptible power supply at a first time and control the uninterruptible power supply and the battery array to supply second power to the load using power stored in the battery array. Typically, the second power is supplied when the first power is cut off.
    Type: Application
    Filed: September 30, 2014
    Publication date: June 18, 2015
    Applicant: LG CNS CO., LTD.
    Inventors: In Chol YEON, Bon Jun KOO, Kwan Bok LEE, Kwang Ho LEE, Eun Ki JEONG, Chung Hyun JUNG