Patents by Inventor Yong Ju

Yong Ju 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: 20160203824
    Abstract: Example embodiments of the present invention relate to an audio signal communication method at a transmitter and a receiver, and a system thereof. There may be provided an audio signal communication method which includes hiding data in an audio signal via audio watermarking and extracting a fingerprint of the audio signal, generating a transmit audio signal by audio-watermarking the audio signal from which the fingerprint is extracted with the data, extracting the fingerprint of the audio signal using the audio signal and the transmit audio signal, and transmitting the transmit audio signal to a receiver.
    Type: Application
    Filed: August 31, 2015
    Publication date: July 14, 2016
    Inventors: Tae Jin PARK, Seung Kwon BEACK, Jong Mo SUNG, Yong Ju LEE, Kyeong Ok KANG, Jin Woong KIM, Tae Jin LEE
  • Publication number: 20160197342
    Abstract: Provided is an active material for negative electrode including porous silicon-based particles and carbon particles, wherein the carbon particles include fine carbon particles and coarse carbon particles respectively having different average particle diameters. Since an active material for negative electrode according to an embodiment of the present invention includes porous silicon-based particles as well as fine and coarse carbon particles respectively having different average particle diameters, the contact between the porous silicon-based particles and the carbon particles may be increased. As a result, lifetime characteristics of a lithium secondary battery may be further improved.
    Type: Application
    Filed: September 16, 2014
    Publication date: July 7, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Mi Rim Lee, Hyun Chul Kim, Eun Kyung Kim, Yong Ju Lee, Jung Woo Yoo
  • Publication number: 20160197340
    Abstract: The present invention relates to a lithium secondary battery including a negative electrode and a positive electrode, wherein the negative electrode includes a first negative electrode active material made of a carbonaceous material, and a second negative electrode active material having a lower initial charge/discharge efficiency than the first negative electrode active material, and the initial charge/discharge efficiency of the negative electrode is lower than the initial charge/discharge efficiency of the positive electrode. The present invention provides a lithium secondary battery capable of realizing high output by remarkably reducing the resistance at a low state-of-charge (SOC) level.
    Type: Application
    Filed: June 19, 2015
    Publication date: July 7, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Yong Ju LEE, Hyun Wook KIM, Eun Kyung KIM
  • Publication number: 20160179075
    Abstract: A management server is provided. The management server includes a communication interface unit configured to receive user environment information from a plurality of wearable apparatuses located in a preset space, an analyzer configured to analyze an environment state of the preset space based on a plurality of pieces of the received user environment information regarding the plurality of wearable apparatuses and determines an operation state of a common device located in the preset space according to the analyzed environment state, and a controller configured to control the communication interface unit so as to operate the common device according to the determined operation state.
    Type: Application
    Filed: December 23, 2015
    Publication date: June 23, 2016
    Inventors: Ji-yeon Shin, Young-ei Cho, Yong-ju Kim
  • Publication number: 20160165375
    Abstract: Provided is a method and apparatus for generating a side information bitstream of a multi-object audio signal. The apparatus for generating a side information bitstream of a multi-object audio signal includes a spatial cue information input unit configured to receive spatial cue information generated in an encoder of the multi-object audio signal, a preset information input unit configured to receive preset information for the multi-object audio signal, and a side information bitstream generator configured to generate the side information bitstream based on the spatial cue information and the preset information. The side information bitstream includes a header region and a frame region, and the preset information is included in the frame region.
    Type: Application
    Filed: February 11, 2016
    Publication date: June 9, 2016
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong-Il SEO, Seung-Kwon BEACK, Tae-Jin LEE, Yong-Ju LEE, Dae-Young JANG, Kyeongok KANG, Jin-Woo HONG, Jin-Woong KIM, Chieteuk AHN
  • Patent number: 9361969
    Abstract: A semiconductor device includes a periodic signal generating circuit for generating a periodic signal having a set period regardless of changes in temperature in response to a first trimming signal as a default value and controlling the set period of the periodic signal based on the temperature in response to a second trimming signal, and an internal circuit to perform a set operation in response to the periodic signal.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: June 7, 2016
    Assignee: SK Hynix Inc.
    Inventors: Yong-Ju Kim, Dae-Han Kwon, Hae-Rang Choi, Jae-Min Jang
  • Patent number: 9357325
    Abstract: An apparatus and method for generating multimedia data and an apparatus and method for playing multimedia data are disclosed. The apparatus for generating the multimedia data may include a spatial information identification unit to identify spatial information for a plurality of channels of a multi-channel audio signal, and a multimedia data generation unit to generate multimedia data including the spatial information, and the apparatus for playing the multimedia data may include a spatial information analysis unit to analyze spatial information for a plurality of channels of a multi-channel audio signal included in multimedia data, and a multimedia data playback unit to play multimedia data, based on the spatial information.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: May 31, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Keunwoo Choi, Tae Jin Park, Kyeong Ok Kang
  • Publication number: 20160149552
    Abstract: A data transmitter may include a transmitter circuit and a calibration controller. The transmitter circuit is configured to be coupled to a receiver through a channel, and configured to provide an output signal to the channel based on an input signal and adjust an output impedance value according to a bias signal. The calibration controller is configured to adjust the bias signal by comparing the output signal of the transmitter circuit to a reference signal during a calibration operation.
    Type: Application
    Filed: September 16, 2015
    Publication date: May 26, 2016
    Inventors: Kang-Sub KWAK, Jong-Hyun RA, Oh-Kyong KWON, Hae-Rang CHOI, Yong-Ju KIM
  • Publication number: 20160135655
    Abstract: A robot cleaner is provided that includes a driver configured to move the robot cleaner, and a suction unit configured to suck foreign objects from a surface below the robot cleaner. The robot cleaner also includes a detector configured to capture images of regions disposed in front of the robot cleaner. The robot cleaner further includes a controller configured to control the detector to capture a first image of a region before cleaning, control the detector to capture a second image of the region after cleaning, and generate cleaning result information using the first and second images.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 19, 2016
    Inventors: Seong-hun AHN, Yong-ju Kim, Se-o Lee, Soo-yeun Yang, Sang-sung Woo, Jong-chan Kwon, Yang-jic Lee
  • Patent number: 9328896
    Abstract: A lens for controlling an illuminance distribution to realize high luminous flux efficiency by maintaining a required beam angle and uniformity on an illumination surface having a particular shape, such as a square shape, and a light-emitting diode (LED) package including the lens are provided. The lens includes an incidence surface onto which light emitted from a light-emitting device is incident, and an emission surface through which the light incident onto the incidence surface is emitted. An illuminance controller, which includes at least two optical devices, is disposed on the emission surface to control an illuminance distribution of the emission surface.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: May 3, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-ju Kim, Sang-woo Ha, Chin-woo Kim, Jin-ha Kim
  • Publication number: 20160112820
    Abstract: A virtual sound image localization method in a two-dimensional (2D) space and three-dimensional (3D) space is provided. The virtual sound image localization method may include setting a reproduction region including at least one loudspeaker available in an output channel; dividing the reproduction region into a plurality of sub-regions; determining a sub-region in which a virtual sound source to be reproduced is located among the sub-regions; determining a panning coefficient used to reproduce the virtual sound source, based on the determined sub-region; and rendering an input signal based on the panning coefficient.
    Type: Application
    Filed: July 7, 2014
    Publication date: April 21, 2016
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae Hyoun YOO, Yong Ju LEE, Jeong Il SEO, Kyeong Ok KANG, Keun Woo CHOI, Hee Suk PANG
  • Patent number: 9319819
    Abstract: Disclosed is a binaural rendering method and apparatus for decoding a multichannel audio signal. The binaural rendering method may include: extracting an early reflection component and a late reverberation component from a binaural filter; generating a stereo audio signal by performing binaural rendering of a multichannel audio signal base on the early reflection component; and applying the late reverberation component to the generated stereo audio signal.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: April 19, 2016
    Assignee: ETRI
    Inventors: Yong Ju Lee, Jeong Il Seo, Jae Hyoun Yoo, Seung Kwon Beack, Jong Mo Sung, Tae Jin Lee, Kyeong Ok Kang, Jin Woong Kim, Tae Jin Park, Dae Young Jang, Keun Woo Choi
  • Patent number: 9315882
    Abstract: The present invention relates to a method for preparing an anode active material, comprising (S1) forming a shell being a coating layer comprising a carbon material on the surface of a core comprising silicon oxide particles, to obtain a silicon oxide-carbon composite having a core-shell structure; (S2) mixing the silicon oxide-carbon composite with an oxygen-containing lithium salt, followed by heat treatment to produce a silicon oxide-lithium alloy, thereby obtaining a (SiOx—Liy)—C (0<x<1.5, 0<y<4) composite having a core-shell structure; and (S3) washing the surface of the (SiOx—Liy)—C composite having a core-shell structure and drying the composite, and an anode active material prepared by the method.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: April 19, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Mi-Rim Lee, Yong-Ju Lee, Je-Young Kim, Hye-Ran Jung
  • Publication number: 20160104498
    Abstract: A method and an apparatus for transmitting a watermark robust to an acoustic channel distortion are disclosed. The method of transmitting the watermark may include extracting a watermark from a first audio signal including the watermark; modifying the extracted watermark based on a state of an acoustic channel; and embedding the modified watermark into the first audio signal to output a second audio signal.
    Type: Application
    Filed: October 13, 2015
    Publication date: April 14, 2016
    Inventors: Seung Kwon BEACK, Tae Jin PARK, Jong Mo SUNG, Yong Ju LEE, Tae Jin LEE, Kyeong Ok KANG
  • Publication number: 20160104684
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: December 7, 2015
    Publication date: April 14, 2016
    Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
  • Patent number: 9311919
    Abstract: Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information for each of the audio signals, a coder for coding the down-mixed audio signal, and a supplementary information coder for generating the supplementary information as a bit stream. The header information includes identification information for each of the audio signals and channel information for the audio signals.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: April 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Kwon Beack, Jeong-Il Seo, Tae-Jin Lee, Yong-Ju Lee, In-Seon Jang, Jae-Hyoun Yoo, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Kyeong-Ok Kang
  • Publication number: 20160100269
    Abstract: An audio system and method using indoor response estimation are disclosed. An acoustic feature prediction method of the audio system may include generating a detection signal based on an input signal and a modulation code; generating an acoustic signal based on the detection signal and outputting the acoustic signal to a plurality of speakers; measuring acoustic signals output from the speakers where the speakers are installed; and predicting acoustic features related to the speakers based on the measured acoustic signals and the modulation code.
    Type: Application
    Filed: July 31, 2015
    Publication date: April 7, 2016
    Inventors: Jeong Il SEO, Tae Jin PARK, Jae Hyoun YOO, Yong Ju LEE, Jung Woo CHOI
  • Publication number: 20160093591
    Abstract: A microelectromechanical system (MEMS) bond release structure is provided for manufacturing of three-dimensional integrated circuit (3D IC) devices with two or more tiers. The MEMS bond release structure includes a MEMS sacrificial release layer which may have a pillar or post structure, or alternatively, a continuous sacrificial layer for bonding and release.
    Type: Application
    Filed: September 26, 2014
    Publication date: March 31, 2016
    Inventors: Je-Hsiung Jeffrey LAN, Wenyue ZHANG, Yang DU, Yong Ju LEE, Shiqun GU, Jing XIE
  • Patent number: 9299352
    Abstract: Provided is a method and apparatus for generating a side information bitstream of a multi-object audio signal. The apparatus for generating a side information bitstream of a multi-object audio signal includes a spatial cue information input unit configured to receive spatial cue information generated in an encoder of the multi-object audio signal, a preset information input unit configured to receive preset information for the multi-object audio signal, and a side information bitstream generator configured to generate the side information bitstream based on the spatial cue information and the preset information. The side information bitstream includes a header region and a frame region, and the preset information is included in the frame region.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: March 29, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong-Il Seo, Seung-Kwon Beack, Tae-Jin Lee, Yong-Ju Lee, Dae-Young Jang, Kyeongok Kang, Jin-Woo Hong, Jin-Woong Kim, Chieteuk Ahn
  • Patent number: D754832
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 26, 2016
    Assignee: GenieBio Corporation
    Inventors: Dong-Jin Seo, Min-Seok Kim, Yong-Ju Oh