Patents by Inventor Byung Tak

Byung Tak 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: 20190089898
    Abstract: A mixed reality content providing apparatus is disclosed. The mixed reality content providing apparatus may recognize an OOI included in a 360-degree VR image to generate metadata of the OOI and may provide a user with mixed reality content where the metadata is overlaid on the 360-degree VR image.
    Type: Application
    Filed: October 26, 2017
    Publication date: March 21, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Nack Woo KIM, Byung Tak LEE, Sei Hyoung LEE, Hyun Yong LEE, Hyung Ok LEE, Young Sun KIM
  • Patent number: 10209440
    Abstract: An imaging sensor includes at least one fiber Bragg grating for filtering an image from a subject for wavelength bands, and an imaging device for converting an image transmitted through the fiber Bragg grating into a digital signal.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: February 19, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Mun Seob Lee, Nack Woo Kim, Gi Hyeon Min, Byung-Tak Lee, Young Sun Kim, Sim-Kwon Yoon, Dae Won Choi
  • Publication number: 20180307181
    Abstract: A hologram image acquiring apparatus may include: a linear polarizer that filters incident light reflected by an object into a polarized component of a specific angle; a spherical lens that partially converts light that is incident through the linear polarizer to a spherical waveform; and a phase shifter that converts a part of the light incident through the spherical lens to a plane waveform having a different phase per pixel unit.
    Type: Application
    Filed: December 15, 2017
    Publication date: October 25, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Mun Seob LEE, Gi Hyeon MIN, Byung-Tak LEE, Seihyoung LEE, Dongsoo LEE
  • Patent number: 10096303
    Abstract: A system on chip (SoC) for transmitting data packets to a display driver integrated circuit (IC) controlling a plurality of displays is provided. The SoC includes a first register, and a central processing unit (CPU) configured to set first values in the first register to adjust a frame rate of each of the displays. A tearing effect (TE) signal detection circuit is configured to detect a TE signal output from the display driver IC. A data transmission circuit is configured to generate a plurality of frame rate adjustment signals using the detected TE signal and the first values and to control transmission timings of the data packets transmitted to the displays using the frame rate adjustment signals.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: October 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung Tak Lee, Kyoung Man Kim, Jong Ho Roh
  • Publication number: 20180203498
    Abstract: A system on chip (SoC) adjusts power of a memory through a handshake. The SoC includes a memory controller and a power manager. The memory controller is configured to control a memory. The power manager is configured to manage a supply power level of the memory. The memory controller is configured to output, to the power manager, a memory access level indicating a frequency of accesses to the memory. The power manager is configured to adjust the supply power level of the memory according to the memory access level.
    Type: Application
    Filed: August 15, 2017
    Publication date: July 19, 2018
    Inventors: JIN-OOK SONG, YUN-JU KWON, DONG-SIK CHO, BYUNG-TAK LEE
  • Patent number: 9934878
    Abstract: A spot welding device for a nuclear fuel skeleton, which is assembled by spot-welding guide tubes for control rods and a instrumentation tube for measuring a state of an inside of a nuclear reactor to a spacer grid that has a plurality of cells formed in a thickness direction of a plate-shaped frame for inserting fuel rods, has a instrumentation tube hole formed at a center, and has four guide tube holes formed symmetrically above and below the instrumentation tube hole. The device includes: a welding gun including: a body, a first holder and a second holder extending from a side of the body and having respective electrodes facing each other at ends, respectively, and a driving unit disposed on the body and adjusting a distance between the electrodes; and a robot connected to the welding gun and having a rotary joint for rotating the welding gun.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: April 3, 2018
    Assignee: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Hyung Sup kim, Soon Gi Guk, Se Ick Son, Byung Tak Kim
  • Publication number: 20170244978
    Abstract: An image processing device and an image processing method performing selective image encryption are provided. The image processing method includes compressing an image including a plurality of areas, selectively encrypting some of the plurality of areas, generating encryption information indicating which of the plurality of areas are encrypted, and transmitting an encrypted image and the encryption information.
    Type: Application
    Filed: May 26, 2016
    Publication date: August 24, 2017
    Inventors: BYUNG-TAK LEE, JI-WOONG KWON
  • Patent number: 9743106
    Abstract: Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: August 22, 2017
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Nac Woo Kim, Chie Teuk Ahn, Byung Tak Lee, Young Sun Kim
  • Publication number: 20170238017
    Abstract: There are provided an image processing device and a processing method thereof. The image processing method includes obtaining an interference signal using a sample beam and a reference beam, transforming the interference signal by using a numerical signal processing method or an intensity mixing method to generate a transformed interference signal, and obtaining a three-dimensional (3D) phase image by using the interference signal and the transformed interference signal.
    Type: Application
    Filed: October 27, 2016
    Publication date: August 17, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Hyeon Min, Nack Woo Kim, Mun Seob Lee, Byung-Tak Lee, Young Sun Kim
  • Publication number: 20170227707
    Abstract: An imaging sensor includes at least one fiber Bragg grating for filtering an image from a subject for wavelength bands, and an imaging device for converting an image transmitted through the fiber Bragg grating into a digital signal.
    Type: Application
    Filed: August 26, 2016
    Publication date: August 10, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Mun Seob LEE, Nack Woo KIM, Gi Hyeon MIN, Byung-Tak LEE, Young Sun KIM, Sim-Kwon YOON, Dae Won CHOI
  • Publication number: 20170174306
    Abstract: Disclosed is a method for operating an engine for a vessel including an engine which can use both natural gas and fuel oil as fuel. According to the method for operating an engine for a vessel, each engine is operated in one of modes including: a gas mode in which the engine is driven using natural gas as fuel; a fuel oil mode in which the engine is driven using fuel oil as fuel; and a fuel distribution mode in which the engine simultaneously uses natural gas and fuel oil as fuel.
    Type: Application
    Filed: April 3, 2015
    Publication date: June 22, 2017
    Applicant: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Byung Tak NAM, Kyung Jin KWON
  • Patent number: 9635344
    Abstract: The present invention relates to a method for making 3D stereo digital broadcast service compatible in an MPEG-2-TS format which is used for transmitting and receiving digital TV. To this end, suggested is a method for transmitting detailed information which supports both TS-level multiplexing and ES-level multiplexing when left and right compressed bitstreams are multiplexed, when service compatibility is enabled.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: April 25, 2017
    Assignee: Korea Electronics Technology Institute
    Inventors: Byeong Ho Choi, Hwa Seon Shin, Jae Gon Kim, Byung Tak Lee, Euy Doc Jang
  • Publication number: 20160320490
    Abstract: The present invention relates to a multi-position sensing apparatus capable of sensing a position and an angle of a target, the apparatus including: a light emitting element that irradiates detection light to a first or second target; a first light receiving part having a first light receiving area in a first light receiving range angle with respect to a first light receiving axis to receive a first or second reflective light reflected from the first or second target; and a second light receiving receiving range angle with respect to a second light receiving axis in parallel to the first light receiving axis to receive the second or first reflective light reflected from the second or first target.
    Type: Application
    Filed: December 23, 2014
    Publication date: November 3, 2016
    Applicant: LUMENS CO., LTD.
    Inventors: Yong-Koang KIM, Yong-Gu HUR, Eun-Sung SHIN, Byung-Tak JANG, Hyun-Ryong CHO, Dong-Min YU, Ji-Min HER
  • Publication number: 20160270691
    Abstract: Provided is a micro robot position detection device. The device includes a micro robot position detection unit that uses a micro robot control parameter to filter a reflected signal of an ultra wide-band impulse radar signal emitted to a micro robot to extract, as a micro robot signal, a natural oscillating frequency signal generated when the micro robot is driven through control of external electromagnetic field, and analyzes the micro robot signal based on a transmission and reception parameter of the ultra wide-band impulse radar signal to calculate position information for the micro robot. Also, the device may further include an image matching unit that receives position information for the micro robot and performs position correction on the received position information based on pre-stored reference image data and the image data.
    Type: Application
    Filed: February 29, 2016
    Publication date: September 22, 2016
    Inventors: Hong Yeon YU, Nac Woo KIM, Sim-Kwon YOON, Byung-Tak LEE, Young Sun KIM
  • Publication number: 20160155519
    Abstract: A spot welding device for a nuclear fuel skeleton, which is assembled by spot-welding guide tubes for control rods and a instrumentation tube for measuring a state of an inside of a nuclear reactor to a spacer grid that has a plurality of cells formed in a thickness direction of a plate-shaped frame for inserting fuel rods, has a instrumentation tube hole formed at a center, and has four guide tube holes formed symmetrically above and below the instrumentation tube hole. The device includes: a welding gun including: a body, a first holder and a second holder extending from a side of the body and having respective electrodes facing each other at ends, respectively, and a driving unit disposed on the body and adjusting a distance between the electrodes; and a robot connected to the welding gun and having a rotary joint for rotating the welding gun.
    Type: Application
    Filed: March 10, 2015
    Publication date: June 2, 2016
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Hyung Sup Kim, Soon Gi Guk, Se Ick Son, Byung Tak Kim
  • Patent number: 9356776
    Abstract: Disclosed are a key managing system and method for sensor network security. The key managing system includes a secret key transmitter configured to transmit a portion of a secret key map, stored in a node, to a correspondent node, and transmit the secret key map of the node to the correspondent node by using the transmitted portion of the secret key map and an authenticator configured to acquire a trust level of the correspondent node which indicates a ratio of a total size of the secret key map of the node and a size of the secret key map transmitted to the correspondent node, compare the acquired trust level of the correspondent node and a threshold value, and authenticate the correspondent node and a message acquired from the correspondent node by using the comparison result.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 31, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seok Kap Ko, Seung Chul Son, Seung Hun Oh, Byung Tak Lee, Young Sun Kim
  • Publication number: 20160073086
    Abstract: The present invention relates to a method for making 3D stereo digital broadcast service compatible in an MPEG-2-TS format which is used for transmitting and receiving digital TV. To this end, suggested is a method for transmitting detailed information which supports both TS-level multiplexing and ES-level multiplexing when left and right compressed bitstreams are multiplexed, when service compatibility is enabled.
    Type: Application
    Filed: October 21, 2015
    Publication date: March 10, 2016
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Byeong Ho CHOI, Hwa Seon SHIN, Jae Gon KIM, Byung Tak LEE, Euy Doc JANG
  • Publication number: 20160055830
    Abstract: A system on chip (SoC) for transmitting data packets to a display driver integrated circuit (IC) controlling a plurality of displays is provided. The SoC includes a first register, and a central processing unit (CPU) configured to set first values in the first register to adjust a frame rate of each of the displays. A tearing effect (TE) signal detection circuit is configured to detect a TE signal output from the display driver IC. A data transmission circuit is configured to generate a plurality of frame rate adjustment signals using the detected TE signal and the first values and to control transmission timings of the data packets transmitted to the displays using the frame rate adjustment signals.
    Type: Application
    Filed: May 15, 2015
    Publication date: February 25, 2016
    Inventors: BYUNG TAK LEE, KYOUNG MAN KIM, JONG HO ROH
  • Patent number: 9217670
    Abstract: Provided are an apparatus and method for recognizing an object on the basis of property information on an object obtained using a multi-wavelength spectrometer. An apparatus for recognizing an object using a multi-wavelength spectrometer includes an image processing unit configured to extract an region of interest from an input three-dimensional image and output shape information on the region of interest, a light irradiation unit configured to irradiate light of a plurality of wavelengths to an arbitrary position of an object corresponding to the detected region of interest, a light receiving unit configured to measure a spectrophotometric value for each light of the plurality of wavelengths, and a light processing unit configured to generate a differential spectrophotometric map using a differential value between spectrophotometric values of different wavelengths measured at the same light irradiation position, and recognize the object using the differential spectrophotometric map and the shape information.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: December 22, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Nac Woo Kim, Byung Tak Lee, Mun Seob Lee, Sim Kwon Yoon, Young Sun Kim
  • Patent number: 9204124
    Abstract: The present invention relates to a method for making 3D stereo digital broadcast service compatible in an MPEG-2-TS format which is used for transmitting and receiving digital TV. To this end, suggested is a method for transmitting detailed information which supports both TS-level multiplexing and ES-level multiplexing when left and right compressed bitstreams are multiplexed, when service compatibility is enabled.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: December 1, 2015
    Assignee: Korea Electronics Technology Institute
    Inventors: Byeong Ho Choi, Hwa Seon Shin, Jae Gon Kim, Byung Tak Lee, Euy Doc Jang