Patents Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
  • Patent number: 9485836
    Abstract: Disclosed is a controlling apparatus for a dimming level of a light disposed on a ceiling surface, including: a sampling unit sampling an illumination value of a ceiling area depending on a change in a dimming level of the light; a communication unit receiving an illumination value of a floor area at a minimum dimming level of the light and an illumination value of the floor area at a maximum dimming level of the light; an estimation unit estimating an illumination value of the floor area at a current dimming level of the light based on an algorithm defined by using the illumination value of the floor area and the illumination value of the ceiling area at the minimum dimming level of the light, the illumination value of the floor area and the illumination value of the ceiling area at the maximum dimming level of the light, and the illumination value of the ceiling area at the current dimming level of the light; and a control unit controlling the dimming level of the light so that the estimated illumination va
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Hyun Chul Kang, Jung Sik Sung, Tae Gyu Kang, Hyun Joo Kang, Seong Hee Park, Jong Woo Choi
  • Patent number: 9485042
    Abstract: A transmitting and receiving apparatus and method for separating multiple broadcast signals from each other in a terrestrial cloud broadcast system are provided. A terrestrial cloud broadcast signal transmitting apparatus may include a plurality of transmitters for transmitting a plurality of terrestrial cloud broadcast signals, wherein each of the plurality of transmitters includes, an encoder encoding input data to generate a code word and a scrambler scrambling the generated code word using a scramble sequence uniquely allocated for each transmitter so that the plurality of terrestrial cloud broadcast signals are distinguished from each other.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Sung Ik Park, Heung Mook Kim, Nam Ho Hur, Jeong Chang Kim
  • Patent number: 9480928
    Abstract: Disclosed herein are an experience ride representation apparatus and method for a real-sense media service based on a multi-vision. An experience ride representation apparatus for a real-sense media service based on a multi-vision in which a motion of a user is reflected so as to move in a plurality of screen units depending on a first signal received from the user, a second signal is transmitted to the user based on real-sense media contents reproduced on the screen unit, and metaverse contents are provided to a plurality of users when the screen unit is shared by the plurality of users.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Sang-Wook Park, Jong-Hyun Jang
  • Publication number: 20160308077
    Abstract: Disclosed is a photo detector. The photo detector includes: a conductive substrate; an insulating layer formed on the conductive substrate; a single-layer graphene formed at one part of an upper end of the insulating layer and formed in one layer; a multi-layer graphene formed at the other part of the upper end of the insulating layer and formed in multiple layers; a first electrode formed at an end of the single-layer graphene; and a second electrode formed at an end of the multi-layer graphene.
    Type: Application
    Filed: March 16, 2016
    Publication date: October 20, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Jin Tae KIM, Choon Gi CHOI, Young Jun YU, Kwang Hyo CHUNG, Jin Sik CHOI, Hong Kyw CHOI
  • Patent number: 9473180
    Abstract: Disclosed is an apparatus for converting a frequency. The apparatus includes: an oscillator configured to generate a first oscillation signal having a first oscillation frequency which is obtained by subtracting an input frequency from a carrier frequency of any one carrier signal among a first to a n-th carrier signals (n is a natural number), and generate a second oscillation signal having a second oscillation frequency which is obtained by adding the input frequency to a carrier frequency of any one carrier signal among a (n+1)-th to a 2n-th carrier signals; and a mixer configured to mix and output the first oscillation signal or the second oscillation signal with an input signal having the input frequency.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: October 18, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Kyu Min Kang, Seung Keun Park, Jae Cheol Park, Jung Sun Um
  • Patent number: 9473378
    Abstract: Provided is a method for transmitting packet-based media data having a header in which an overhead is minimized. A method for media data transmission may comprise the steps of: encapsulating media data to allow a media fragment unit (MFU) header and an M-unit header to share one format; allowing an MMT payload format to include a header field for an operation which is not supported by an RTP header, and transferring the encapsulated media data from a specific entity to another entity; and controlling the transfer of the media data. Therefore, a transmission overhead is minimized, so that it is possible to efficiently transmit media data.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 18, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventor: Seong Jun Bae
  • Patent number: 9467320
    Abstract: Disclosed herein are a method and a system for performing initial ranging in a cognitive radio network The method for performing initial ranging in a cognitive radio network includes: detecting signals received in one or more ranging sections; estimating a tint time offset based on a correlation between subcarrier indices of the signals detected in the one or more ranging sections; estimating a second time offset based on correlations for the signals detected in the one or more ranging sections and a plurality of codes that are predetermined and detecting an initial ranging code among the plurality of codes; and estimating a time offset of a CPE performing initial ranging with the detected initial ranging code using the first time offset and the second time offset that are estimated.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: October 11, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Jung-Sun Um, Sung-Hyun Hwang, Sung-Jin Yoo, Byung-Jang Jeong, Jae-Ick Choi
  • Patent number: 9454967
    Abstract: An apparatus and method for generating a wave field synthesis (WFS) signal in consideration of a height of a speaker are disclosed. The WFS signal generation apparatus may include a waveform propagation distance determination unit to determine a propagation distance of a waveform propagate from a sound source based on a height of a speaker, and a WFS signal generation unit to generate a WFS signal corresponding to the speaker using the propagation distance of the waveform.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 27, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Jae-Hyoun Yoo, Keun Woo Choi, Jeong Il Seo, Kyeong Ok Kang
  • Publication number: 20160277865
    Abstract: The present invention relates to a method and an apparatus for processing a signal, which are used to effectively reproduce an audio signal, and more particularly, to a method and an apparatus for processing an audio signal, which are used for implementing a filtering for input audio signals with a low computational complexity.
    Type: Application
    Filed: October 22, 2014
    Publication date: September 22, 2016
    Applicants: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI U NIVERSITY, WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Taegyu LEE, Hyunoh OH, Youngcheol PARK, Daehee YOUN, Jeongil SEO, Yongju LEE, Seungkwon BEACK, Kyeongok KANG, Daeyoung JANG
  • Publication number: 20160275956
    Abstract: The present invention relates to a method and an apparatus for processing a signal, which are used to effectively reproduce an audio signal, and more particularly, to a method for generating a filter for an audio signal, which are used for implementing a filtering for input audio signals with a low computational complexity and a parameterization apparatus therefor.
    Type: Application
    Filed: October 22, 2014
    Publication date: September 22, 2016
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI U NIVERSITY, WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Taegyu LEE, Hyunoh OH, Jeongil SEO, Yongju LEE, Seungkwon BEACK, Kyeongok KANG, Daeyoung JANG, Youngcheol PARK, Daehee YOUN
  • Publication number: 20160266376
    Abstract: Provided herein are a reflective lens capable of changing a focal length and an optical system using the same. An active reflective lens according to an embodiment includes: a lens unit including material that is deformable in response to an electric signal; a support unit configured to support the lens unit; a base unit formed below the support unit; a first electrode formed on the lens unit; and a second electrode formed on the base unit. The distance between the first electrode and the second electrode is determined depending on a shape of an upper surface of the base unit, and the distance between the first electrode and the second electrode varies depending on regions of the lens unit.
    Type: Application
    Filed: March 9, 2016
    Publication date: September 15, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
    Inventors: Sae Kwang NAM, Sun Tak PARK, Ki Uk KYUNG, Bong Je PARK, Sung Ryul YUN
  • Patent number: 9444670
    Abstract: A signal transmitting and receiving method and an apparatus for selecting an interference pattern from a security key and transmitting and receiving a signal based on the selected interference pattern are provided.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: September 13, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Hyoungsoo Lim, Hun Hee Lee, Joungil Yun, Kyu Tae Yang, Young Su Kim, Yun Jeong Song, Namho Hur
  • Publication number: 20160255363
    Abstract: A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a final correction value that is calculated by performing an arithmetic right shift by a binary digit 1 for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. Thus, the operational complexity during image encoding/decoding can be reduced.
    Type: Application
    Filed: May 10, 2016
    Publication date: September 1, 2016
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Hui Yong KIM, Jin Ho LEE, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20160255350
    Abstract: Disclosed are a method and an apparatus for video decoding that support a plurality of layers. The method for video decoding includes acquiring information indicating whether tile information exists and acquiring the tile information based on the information indicating whether tile information exists.
    Type: Application
    Filed: October 13, 2014
    Publication date: September 1, 2016
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Jung Won KANG, Jin Ho LEE, Ha Hyun LEE, Jin Soo CHOI, Jin Woong KIM
  • Patent number: 9429612
    Abstract: Disclosed are method and apparatus of generating noise that effectively performs performance evaluation of electronic equipment in a real environment by generating the noise having a statistic characteristic of real noise in a laboratory environment, by estimating a noise parameter set by measuring the noise and generating random noise data using a random noise data generation function having a statistic characteristic corresponding to the noise parameter set to generate radio noise.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: August 30, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Su Na Choi, Jong Hwa Kwon
  • Patent number: 9432107
    Abstract: Disclosed is a low-rate data transmission method in an LTE based satellite radio interface, which can secure a large number of low-rate data channels which can simultaneously access and increase frequency efficiency while providing compatibility with the existing LTE radio interface through a transmission technique which can secure more link margins in communication between portable terminals (handheld type terminals) without changing a basic LTE transmission frame structure in a satellite system requiring high transmission power.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: August 30, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventor: Hee Wook Kim
  • Patent number: 9425743
    Abstract: Provided is a buffer amplifier. The buffer amplifier includes: a replica bias unit dividing an internal power voltage received from an internal power node to generate a bias voltage; an input unit including a first differential amplifier comparing a first differential input signal with the bias voltage to output a first internal signal and a second differential amplifier comparing a second differential input signal with the bias voltage to output a second internal signal; and an output unit including a third differential amplifier comparing the first internal signal with the second internal signal to output a first differential output signal and a second differential output signal.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: August 23, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Young Ho Kim, Sang Soo Lee
  • Patent number: 9419834
    Abstract: An M-ary Phase Shift Keying (MPSK) demodulation apparatus and method are disclosed herein. The MPSK demodulation apparatus includes an amplifier, a carrier frequency recoverer, a plurality of correlators, and a symbol detector. The amplifier amplifies a received signal. The carrier frequency recoverer recovers a carrier frequency from the received signal, and generates a plurality of signals having a set phase difference. Each of the plurality of correlators outputs a signal, maintained at a set signal level for a specific period of time, using the received signal and the plurality of signals. The symbol detector collects the output signals of the plurality of correlators, and detects a received symbol by comparing the absolute value magnitudes of the collected output signals.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: August 16, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventor: Hong-Soon Nam
  • Patent number: 9419345
    Abstract: The present invention relates to a dual reflector antenna with a hybrid subreflector, and more particularly, to a dual reflector antenna with a subreflector having a structure in which an ellipse and a hyperbola are combined. An exemplary embodiment of the present invention provides a dual reflector antenna including: a main reflector; and a hybrid subreflector which faces the main reflector and has a first structure and a second structure which are combined therein.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: August 16, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: So Hyeun Yun, Chang Soo Kwak, Man Seok Uhm, In Bok Yom, Hong Yeol Lee
  • Patent number: 9413582
    Abstract: A transmitting apparatus generates a modulation pattern code corresponding to an input security key and modulates and transmits the bit stream with a corresponding modulation method for a duration of a corresponding modulation method while changing a modulation method according to the generated modulation pattern code.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: August 9, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Hyoungsoo Lim, Hun Hee Lee, Joungil Yun, Kyu Tae Yang, Young Su Kim, Yun Jeong Song, Namho Hur