Patents by Inventor Tae-jin An

Tae-jin An 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).

  • APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO
    Publication number: 20200349958
    Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate ; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.
    Type: Application
    Filed: July 10, 2020
    Publication date: November 5, 2020
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Tae Jin LEE, Seung-Kwon BAEK, Min Je KIM, Dae Young JANG, Jeongil SEO, Kyeongok KANG, Jin-Woo HONG, Hochong PARK, Young-Cheol PARK
  • Electrolytic copper foil for graphene and method for producing the copper foil
    Patent number: 10826117
    Abstract: The present disclosure relates to an electrolytic copper foil for graphene and a method for producing the copper foil. More particularly, the present disclosure relates to an electrolytic copper foil for graphene and a method for producing the copper foil, which may facilitate formation of graphene by blocking surface deformation during the electrolytic copper foil formation. In accordance with the present disclosure, the Rz roughness of the S-face of the electrolytic copper foil after 1 hour treatment at 200° C. in the synthesis of graphene on the electrolytic copper foil is defined based on the Relationship 1 below. This may also minimize the deformation of the surface of the electrolytic copper foil at high temperatures: 0.05?(Rz roughness of M-face of electrolytic copper foil/Rz roughness of S-face after treatment at 200° C. for 1 hour)/thickness of electrolytic copper foil?0.2.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: November 3, 2020
    Assignee: ILJIN MATERIALS CO., LTD.
    Inventors: Tae Jin Jo, Sun Hyoung Lee, Seul-Ki Park, Ki Deok Song
  • Methods of wireless power transfer by energy signal transfer apparatus operating in the same frequency band as wireless local area network in wireless power transfer energy harvesting system and energy signal transfer apparatuses for performing the same
    Patent number: 10819159
    Abstract: Disclosed is a method of wireless power transfer to at least one wireless station connected to a network from an energy signal transfer apparatus operating in the same frequency band as a wireless local area network (WLAN). The method includes: receiving an energy transfer request from a first wireless station connected to the network; calculating the direction of energy signal transfer in response to the energy transfer request; and sending an energy signal to the first wireless station in the calculated direction of energy signal transfer for the duration of energy transfer. The energy signal transfer apparatus allows for power transfer without causing interference with data transmission on a channel where data transmission occurs, by transferring energy only in the direction of stations requesting energy transfer by beamforming technology.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 27, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Tae-Jin Lee, Young Il Cho, Ji Hyoung Ahn
  • Voice coil motor
    Patent number: 10819208
    Abstract: The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base unit and formed with a plurality of rotation prevention units along a periphery and a first driving unit arranged at a periphery of the bobbin, a stator including a yoke configured to the base unit to surround the mover and inner yoke units each extended to between the rotation prevention units, and a second driving unit oppositely arranged to the first driving unit, and an elastic member elastically supporting the mover, wherein an object occurrence preventing portion is formed between the rotation prevention unit and the inner yoke units to decrease a contact area between the rotation prevention unit and the inner yoke units.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: October 27, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Tae Jin Jung
  • AUDIO DEVICE, AUDIO SYSTEM, AND METHOD FOR PROVIDING MULTI-CHANNEL AUDIO SIGNAL TO PLURALITY OF SPEAKERS
    Publication number: 20200336857
    Abstract: The audio device according to the present disclosure may include a mixer that adjusts the number of channels of an inputted audio signal based on the number of speakers connected, a transmitter that transmits a test audio signal for speaker setup, to at least one speaker among the plurality of speakers, a feedback receiver that receives a signal of the outputted audio, a controller that determines an output time difference between the plurality of speakers, based on the signal of the outputted audio, and a post-processor that adds an output delay signal to the audio signal of at least one channel of a multi-channel audio signal provided to the plurality of speakers so as to synchronize the outputs of the plurality of speakers, based on the determined output time difference.
    Type: Application
    Filed: January 8, 2020
    Publication date: October 22, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Tae Young KIM, Tae Jin PARK, Si Jin KIM, Eun Jung LEE, Soon Hyung HWANG, Hyo Rim KIM, Min Jae KIM, Hyo Sung KIM
  • Semiconductor device having germanium containing active pattern and method for fabricating the same
    Patent number: 10811541
    Abstract: A semiconductor device includes a gate electrode extending in a first direction on a substrate, a first active pattern extending in a second direction intersecting the first direction on the substrate to penetrate the gate electrode, the first active pattern including germanium, an epitaxial pattern on a side wall of the gate electrode, a first semiconductor oxide layer between the first active pattern and the gate electrode, and including a first semiconductor material, and a second semiconductor oxide layer between the gate electrode and the epitaxial pattern, and including a second semiconductor material. A concentration of germanium of the first semiconductor material may be less than a concentration of germanium of the first active pattern, and the concentration of germanium of the first semiconductor material may be different from a concentration of germanium of the second semiconductor material.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: October 20, 2020
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Jin Bum Kim, Hyoung Sub Kim, Seong Heum Choi, Jin Yong Kim, Tae Jin Park, Seung Hun Lee
  • VOLTAGE GENERATOR, SEMICONDUCTOR APPARATUS AND SEMICONDUCTOR SYSTEM USING THE VOLTAGE GENERATOR
    Publication number: 20200326741
    Abstract: A voltage generator includes a bias voltage generation circuit and a compensation circuit. The bias voltage generation circuit generates a first bias voltage based on a reference current and generates a second bias voltage based on the first bias voltage. The compensation circuit changes a voltage level of the first bias voltage based on the second bias voltage.
    Type: Application
    Filed: November 4, 2019
    Publication date: October 15, 2020
    Applicant: SK hynix Inc.
    Inventor: Tae Jin HWANG
  • Method and apparatus for transmitting and receiving of the object-based audio contents
    Patent number: 10796707
    Abstract: The present invention relates to a system for transmitting and receiving audio, particularly, to a method and apparatus for transmitting and receiving of object-based audio contents, which packetizes audio objects having the same characteristic. To achieve the above, the present invention includes filtering a plurality of ESs according to common information, adding a packet header to the respective filtered ESs and generate ES packets, aggregating all the generated ES packets and then adding a multi-object packet header to the aggregated ES packets to generate an object packet, and multiplexing the generated object packet, packetizing the multiplexed object packet according to a transmitting media and transmitting the packetized object packet.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: October 6, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Ju Lee, Tae Jin Lee, Jae-Hyoun Yoo, Kyeongok Kang, Jin Woong Kim, Chieteuk Ahn
  • METHOD AND APPARATUS FOR RECOGNITION OF SOUND EVENTS BASED ON CONVOLUTIONAL NEURAL NETWORK
    Publication number: 20200302949
    Abstract: Provided is a sound event recognition method that may improve a sound event recognition performance using a correlation between difference sound signal feature parameters based on a neural network, in detail, that may extract a sound signal feature parameter from a sound signal including a sound event, and recognize the sound event included in the sound signal by applying a convolutional neural network (CNN) trained using the sound signal feature parameter.
    Type: Application
    Filed: September 5, 2019
    Publication date: September 24, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young Ho JEONG, Sang Won SUH, Tae Jin LEE, Woo-taek LIM, Hui Yong KIM
  • Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
    Patent number: 10783893
    Abstract: An encoder and an encoding method for a multi-channel signal, and a decoder and a decoding method for a multi-channel signal are disclosed. A multi-channel signal may be efficiently processed by consecutive downmixing or upmixing.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: September 22, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Jeong Il Seo, Kyeong Ok Kang, Dae Young Jang, Jin Woong Kim
  • Audio encoding apparatus and method, and audio decoding apparatus and method
    Patent number: 10783892
    Abstract: An audio encoding apparatus to encode an audio signal using lossless coding or lossy coding and an audio decoding apparatus to decode an encoded audio signal are disclosed. An audio encoding apparatus according to an exemplary embodiment may include an input signal type determination unit to determine a type of an input signal based on characteristics of the input signal, a residual signal generation unit to generate a residual signal based on an output signal from the input signal type determination unit, and a coding unit to perform lossless coding or lossy coding using the residual signal.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: September 22, 2020
    Assignees: Electronics and Telecommunications Research Institute, THE KOREA DEVELOPMENT BANK
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Kyeong Ok Kang, Keun Woo Choi
  • Apparatus and method for encoding and decoding of integrated speech and audio utilizing a band expander with a spectral band replication (SBR) to output the SBR to either time or transform domain encoding according to the input signal characteristic
    Patent number: 10777212
    Abstract: Provided are an apparatus and a method for integrally encoding and decoding a speech signal and a audio signal. The encoding apparatus may include: an input signal analyzer to analyze a characteristic of an input signal; a first conversion encoder to convert the input signal to a frequency domain signal, and to encode the input signal when the input signal is a audio characteristic signal; a Linear Predictive Coding (LPC) encoder to perform LPC encoding of the input signal when the input signal is a speech characteristic signal; and a bitstream generator to generate a bitstream using an output.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: September 15, 2020
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY—ACADEMIC COLLABORATION FOUNDATION
    Inventors: Tae Jin Lee, Seung-Kwon Baek, Min Je Kim, Dae Young Jang, Jeongil Seo, Kyeongok Kang, Jin-Woo Hong, Hochong Park, Young-cheol Park
  • DUAL CAMERA MODULE AND OPTICAL DEVICE
    Publication number: 20200275003
    Abstract: The present embodiment relates to a dual camera module comprising a first camera module and a second camera module, wherein: a first magnet unit of the first camera module includes a first magnet and a second magnet, both disposed opposite to each other on a side surface of a first housing; a second magnet unit of the second camera module includes a third to a sixth magnet arranged on four respective corners of a second housing; a third magnet unit is disposed on a side surface of the first housing facing the second housing; the third magnet unit is disposed between the first magnet and the second magnet; and the third magnet unit is smaller than the first magnet and is disposed on a virtual line connecting an optical axis of the first camera module and an optical axis of the second camera module.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 27, 2020
    Inventors: Jun Taek LEE, Sang Jun MIN, Tae Jin JUNG
  • DISPLAY DEVICE
    Publication number: 20200273906
    Abstract: A display device includes at least one first and second electrodes extending in a first direction, at least one first and second light emitting elements disposed therebetween, a first contact electrode partially covering the first electrode and contacting a first end of the first light emitting element, a second contact electrode partially covering the second electrode and contacting a third end of the second light emitting element, and a third contact electrode disposed between the first and second contact electrodes and contacting a second end of the first light emitting element and a fourth end of the second light emitting element, in which a distance between the first and second electrodes is greater than a longitudinal length of at least one of the first and second light emitting elements, and the first and second light emitting elements are connected in series between the first and second electrodes.
    Type: Application
    Filed: January 14, 2019
    Publication date: August 27, 2020
    Inventors: Xin Xing LI, Tae Jin KONG, Hee Keun LEE, Hyun Min CHO, Chang II TAE
  • Organic compound and organic electroluminescent device comprising the same
    Patent number: 10756277
    Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device comprising the same, and the organic compound of the present disclosure may be used for an organic material layer of the organic electroluminescent device, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent device.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: August 25, 2020
    Assignee: DOOSAN SOLUS CO., LTD.
    Inventors: Tae Jin Choi, Ho-Cheol Park, Youngmi Beak, Eunjin Kim
  • METHOD AND APPARATUS FOR CONTROL OF RANDERING MULTIOBJECT OR MULTICHANNEL AUDIO SIGNAL USING SPATIAL CUE
    Publication number: 20200267488
    Abstract: The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 20, 2020
    Inventors: Seung-Kwon BEACK, Jeong-Il SEO, Dae-Young JANG, Tae-Jin LEE, Yong-Ju LEE, Jin-Woo HONG, Jin-Woong KIM
  • CATALYST SYSTEM FOR OLEFIN OLIGOMERIZATION AND METHOD FOR PREPARING OLEFIN OLIGOMER BY USING SAME
    Publication number: 20200255356
    Abstract: Disclosed are a catalyst system capable of selectively oligomerizing olefins including ethylene and a method for preparing an olefin oligomer by using the same and, specifically, a novel catalyst system capable of trimerizing and tetramerizing olefins, unlike olefin oligomerization catalyst systems that have been reported so far, and a method for preparing an olefin oligomer by using the same. The present invention provides a catalyst system for olefin oligomerization, the catalyst system comprising: a ligand compound represented by chemical formula 1 or 2; a chromium compound; a metal alkyl compound; and an aliphatic or alicyclic hydrocarbon solvent.
    Type: Application
    Filed: October 11, 2018
    Publication date: August 13, 2020
    Applicant: LOTTE CHEMICAL CORPORATION
    Inventors: Hee Young Kim, Tae Jin Kim, Seung Woong Yoon
  • THIN-FILM TRANSISTOR SUBSTRATE
    Publication number: 20200243570
    Abstract: A thin-film transistor substrate may include a first thin-film transistor and a second thin-film transistor which are disposed on a substrate. The first thin-film transistor may include a first semiconductor layer, a first gate electrode, and a first electrode. The second thin-film transistor may include a second semiconductor layer disposed on the first semiconductor layer and overlapping at least a portion of the first semiconductor layer, a second gate electrode, and a second electrode electrically connected to the first electrode. The second electrode may overlap the first electrode.
    Type: Application
    Filed: April 20, 2020
    Publication date: July 30, 2020
    Inventors: Jong-Hyun CHOI, Tae-Jin KIM
  • ADHESION DEFECT DETECTION APPARATUS AND ADHESION DEFECT DETECTION METHOD USING THE SAME
    Publication number: 20200240923
    Abstract: An adhesion defect detection apparatus includes an inspection window having a first dummy area, a second dummy area, and an inspection area disposed between the first dummy area and the second dummy area. A first shape changer is disposed on the inspection window. The first shape changer is configured to change a shape of the inspection window in a first direction. A second shape changer is disposed outside of both the first dummy area and the second dummy area. The second shape changer is configured to change a shape of the inspection window in a second direction that is perpendicular to the first direction.
    Type: Application
    Filed: December 11, 2019
    Publication date: July 30, 2020
    Inventor: TAE JIN HWANG
  • LENS MOVING APPARATUS
    Publication number: 20200241316
    Abstract: A lens moving apparatus includes a housing for supporting a first magnet, a bobbin, which includes a first coil provided on an outer surface thereof and which moves in a first direction, a support member, which is disposed over one side surface of the housing, and which supports the bobbin and the housing such that the bobbin and the housing are movable in second and/or third directions, which are perpendicular to the first direction, a second coil, which is disposed over the housing, and which is spaced apart from the support member by a predetermined distance and which generates an electromagnetic force to move the support member in the second and/or third directions, and a printed circuit board disposed over the second coil.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Sung Guk LEE, Sang Jun MIN, Tae Jin JUNG