Patents Assigned to Advanced Institute of Science and Technology
  • Packet switching system and method
    Patent number: 8792514
    Abstract: A packet switching system includes a plurality of switch fabrics connected in cascade and a plurality of buffers respectively connected to the plurality of switch fabrics. In the event of packet competition, the plurality of switch fabrics buffer the competing packets to the corresponding buffers through buffer connection ports, and forward the competing packets in excess of the number of buffer connection ports to an adjacent switch fabric through switch connection ports.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: July 29, 2014
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: June Koo Rhee, Chan-Kyun Lee
  • WIRELESS ELECTRIC POWER TRANSMITTER
    Publication number: 20140203772
    Abstract: A wireless electric power transmitter for transmitting electric power for a charging function to a wireless electric power receiver is provided. The wireless electric power transmitter includes an electric power supply unit which supplies electric power; an amplifier which amplifies and outputs the electric power supplied from the electric power supply unit by a preset gain as a magnitude of measured impedance increases; and a transmitter which transmits the amplified electric power to the wireless electric power receiver.
    Type: Application
    Filed: January 23, 2014
    Publication date: July 24, 2014
    Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd.
    Inventors: Sung-Ku YEO, Song-Cheol Hong, Duk-Ju Ahn, Gwang-Hyeon Jeong, Se-Ho Park, Min-Cheol Ha
  • Power converter integrated with flyback converter
    Patent number: 8787041
    Abstract: There is provided a power converter integrated with an auxiliary converter. The power converter includes: a flyback converter converting an input power of a power supply input terminal into a standby power through a primary side circuit connected to the power supply input terminal and a secondary side circuit magnetically coupled to the primary side circuit to supply the standby power; and a main converter converting the input power of the power supply input terminal into a main power to supply the main power, and converting the input power of the power supply input terminal into the standby power through the secondary side circuit of the flyback converter to supply the standby power, whereby the efficiency of the power converter may be improved.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: July 22, 2014
    Assignees: Samsung Electro-Mechanics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Chong Eun Kim, Don Sik Kim, Jae Kuk Kim, Gun Woo Moon, Shin Young Cho
  • METHOD FOR ANALYZING STRESS BASED ON MULTI-MEASURED BIO-SIGNALS
    Publication number: 20140200468
    Abstract: Disclosed is a method and system for analyzing stress and managing stress by using a mobile electronic apparatus and a data management server. The method includes: generating bio-signal pattern information upon periodically receiving a bio-signal from a bio-signal measuring device connected to each of a plurality of unspecified individuals, and forming reference information for stress analysis based on received answers to each of a plurality of questions for checking a stress level; receiving bio-signal pattern information from a bio-signal measuring device connected to a specified user; and determining a stress level corresponding to the bio-signal pattern information of the specified user based on the reference information.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 17, 2014
    Applicants: Korea Advanced Institute of Science and Technology (KAIST), Samsung Electronics Co., Ltd.
    Inventors: Chul-Ho CHO, De-Sok KIM, Jae-Geol CHO, Sun-Tae JUNG, Salahuddin LIZAWATI
  • Fluorescent dye-siloxane hybrid resin
    Patent number: 8778224
    Abstract: The present invention provides a fluorescent dye-silane hybrid resin manufactured by polycondensing an alkoxysilane bonded with a fluorescent dye with an organo-silane. More particularly, the present invention provides a fluorescent dye-siloxane hybrid resin that is manufactured by reacting a fluorescent dye having one or more functional groups with an alkoxysilane having an organic functional group to form an alkoxysilane bonded with the fluorescent dye and then polycondensing the alkoxysilane bonded with a fluorescent dye with an organo-silanediol and an organo-alkoxysilane having a thermocurable or ultraviolet-curable functional group without water. The fluorescent dye-silane hybrid resin has excellent thermostability, photostability, fluorescence characteristics, and processibility.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 15, 2014
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Byeong-Soo Bae, Seung-Yeon Kwak
  • Dispersible carbon nanotube, carbon nanotube-polymer composite and method of manufacturing the carbon nanotube-polymer composite
    Patent number: 8778296
    Abstract: A dispersible carbon nanotube (“CNT”) comprising a CNT backbone and an organic moiety attached to the carbon nanotube backbone and comprising a hydroxyl substituted C6 to C14 aromatic group are described, as well as a CNT-polymer composite and a method of manufacturing the CNT-polymer composite.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: July 15, 2014
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jong-jin Park, Tae-gwan Park, Yu-han Lee, Kwang-hee Lee
  • Method and apparatus for determining phase sensitivity of an accelerometer based on an analysis of the harmonic components of the interference signal
    Patent number: 8775114
    Abstract: A method and apparatus for determining phase sensitivity of an accelerometer based on an analysis of the harmonic components of the interference signal, which can estimate phase lags of an accelerometer through an analysis of the interference signal obtained using a single photo-detector when the accelerometer moves in sinusoidal motion with an initial phase of vibration. The method comprises the steps of obtaining an interference signal in a time domain generated from a signal reflected by an accelerometer and a fixed mirror using a single photo-detector; transforming the interference signal in the time domain into a signal in a frequency domain including a plurality of harmonic signals by Fourier transform; and determining the phase sensitivity of the accelerometer using initial phase of vibration displacement of the accelerometer, which is included in the interference signal in the frequency domain.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: July 8, 2014
    Assignees: Korea Research Institute of Standards and Science, Korea Advanced Institute of Science and Technology
    Inventors: Yong Bong Lee, Sung Soo Jung, Seung-Woo Kim
  • SLOT ANTENNA AND INFORMATION TERMINAL APPARATUS USING THE SAME
    Publication number: 20140184450
    Abstract: A slot antenna and an information terminal apparatus using the same are provided. The slot antenna comprises: a conductive housing; and at least one slot formed on the corner and edge of the conductive housing.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 3, 2014
    Applicants: Korea Advanced Institute of Science and Technology, LG Display Co., Ltd.
    Inventors: Hyungjoon KOO, Heejung HONG, Sooji LEE, Kyoungsub OH, Jongwon YU
  • SNS BASED AUTO SCHEDULE MANAGEMENT SERVICE SYSTEM
    Publication number: 20140188539
    Abstract: Disclosed is an SNS based auto schedule management service system that detects and extracts event information from SNS messages and records corresponding events in a personal schedule management system.
    Type: Application
    Filed: August 13, 2013
    Publication date: July 3, 2014
    Applicant: KAIST (Korea Advanced Institute of Science and Technology)
    Inventors: Key Sun CHOI, Youngun YUN, Young Gyun HAHM, Kyung Tae LIM
  • Low Power, High Speed Multi-Channel Chip-to-Chip Interface using Dielectric Waveguide
    Publication number: 20140184351
    Abstract: An exemplary embodiment of the present invention provides an improved dielectric waveguide named electrical fiber. The electrical fiber with a metal cladding may isolate the interference of the signals in other wireless channels and adjacent electrical fibers, which typically causes band-limitation problem, for a smaller radiation loss and better signal guiding to lower the total transceiver power consumption as the transmit distance increases. Also, the electrical fiber may have frequency independent attenuation characteristics to enable high data rate transfer with little or even without any additional receiver-side compensation due to vertical coupling of the electrical fiber and an interconnection device.
    Type: Application
    Filed: December 11, 2013
    Publication date: July 3, 2014
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Hyeon Min BAE, Ha Il SONG, Huxian JIN
  • METHOD AND APPARATUS FOR FAST BEAM-LINK CONSTRUCTION IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20140187168
    Abstract: A method of forming a beam-link by a Base Station (BS) in a wireless communication system using a beamforming scheme includes determining at least one downlink beams to be used for downlink transmission and/or reception, transmitting a reference signal to a Mobile Station via the at least one downlink beam, receiving the reference signal via an uplink beam from the Mobile station, and updating the at least one downlink beam to increase a Signal-to-Noise Ratio (SNR). Accordingly, a beam-link using an initial beam-link between the BS and the MS and adaptive beamforming can be rapidly constructed in a high frequency band BDMA cellular system.
    Type: Application
    Filed: January 2, 2014
    Publication date: July 3, 2014
    Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd
    Inventors: Jiyun Seol, Heeseong Yang, Joohwan Chun, Sanghyouk Choi
  • Charge equalization apparatus with parallel connection of primary windings of multiple transformers
    Patent number: 8766598
    Abstract: The present invention relates, in general, to a charge equalization apparatus for batteries and, more particularly, to a charge equalization apparatus, in which the primary windings (M11 to M1N) of a number of transformers (T1 to TN) corresponding to the number of battery cells are connected in parallel with each other, a switch (S) for controlling the flow of current of the primary windings (M11 to M1N) of the parallel-connected transformers is connected in series with the parallel-connected primary windings, respective secondary windings (M21 to M2N) corresponding to the primary windings are connected in parallel with the battery cells, and the battery cells are connected in series with each other.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: July 1, 2014
    Assignees: SK Innovation Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Chong Eun Kim, Hong Sun Park
  • Joining device for fuel cell stack and fuel cell stack provided with the same
    Patent number: 8765326
    Abstract: The present invention features a fuel cell stack that preferably includes an electricity generating assembly having a plurality of unit cells that are suitably disposed one after another; a pair of end plates pressedly disposed respectively at upper and lower ends of the electricity generating assembly; and a joining device suitably engaging the end plates by a rope, where pressure is applied to the electricity generating assembly by means of tension of the rope, and the length and tension of the rope is suitably controlled.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: July 1, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: Haeng Jin Ko, Young Bum Kum, Young Woo Noh, Sae Hoon Kim, Sang Hyun Cho, Jung Do Suh, Kwi Seong Jeong, Junghan Yu, Byung Ki Ahn, Duck Whan Kim, Sung Keun Lee, Dai Gil Lee, Ha Na Yu
  • Recombinant mutant microorganisms having increased ability to produce alcohols and method of producing alcohols using the same
    Patent number: 8765446
    Abstract: The present invention relates to recombinant mutant microorganisms having an increased ability to produce alcohol and a method of producing alcohol using the same, and more particularly to recombinant mutant microorganisms which have an increased ability to produce butanol, ethanol, isopropanol or mixed alcohols, which can be used as fuel, while producing little or no producing acetone as a byproduct, and to a method of producing butanol, ethanol, isopropanol or mixed alcohols using the same. The inventive recombinant mutant microorganisms having an increased ability to produce butanol or mixed alcohols and to remove acetone are those in which genes that encode enzymes involved in producing butanol from butyryl-CoA or butylaldehyde and in producing isopropanol from acetone were amplified or introduced in host microorganisms.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: July 1, 2014
    Assignees: Korea Advanced institute of Science and Technology, Biofuelchem Co., GS Caltex Corporation
    Inventors: Sang Yup Lee, Yu-Sin Jang, Joung Min Lee, Jung Ae Im, Hyohak Song
  • POWER SUPPLY DEVICE
    Publication number: 20140177282
    Abstract: There is provided a phase shift full bridge (PSFB) type power supply device controlling a switching on time of lagging leg switches according to a load state. The power supply device includes a power supply unit supplying preset DC power by switching input power using a full bridge by a phase shift method; and a control unit controlling a switching time of a switch of the full bridge according to a load state in which the DC power is received from the power supply unit.
    Type: Application
    Filed: June 11, 2013
    Publication date: June 26, 2014
    Applicants: Korea Advanced Institute of Science and Technology, Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chong Eun KIM, Jeong Nam LEE, Duk You KIM, Gun Woo MOON, Don Sik KIM
  • Membraneless micro fuel cell
    Patent number: 8758913
    Abstract: Disclosed herein is a membraneless micro fuel cell. A cathode fluid and an anode fluid with a low Reynolds number flowing along a cathode channel and an anode channel are formed to have an interface with each other through a micro passageway and to be mixed by only diffusion so that the direct mixing of the cathode fluid and the anode fluid is prevented, making it possible to prevent reactants from being depleted at an electrode surface as well as to increase the efficiency of the fuel cell.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: June 24, 2014
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Hyung Jin Sung, Sang Youl Yoon, Dewan Hasan Ahmed, Hong Beom Park
  • Method for patterning nanomaterial using solution evaporation
    Patent number: 8758852
    Abstract: Disclosed is a method for patterning a nanomaterial using solution evaporation. More particularly, the method for patterning a nanomaterial using solution evaporation includes; coating the nanomaterial with a polymer material and uniformly dispersing the coated nanomaterial in a solvent to prepare a solution containing the nanomaterial, and pouring the nanomaterial-containing solution on a substrate, enabling the nanomaterial to be patterned after evaporation of the solvent.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: June 24, 2014
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jeung-Ku Kang, Kyung-Min Choi, Jung-Hoon Choi, Weon-Ho Shin, Jung-Woo Lee, Hyung-Mo Jeong
  • Method and an apparatus for processing a video signal
    Patent number: 8761242
    Abstract: The present invention includes determining a motion vector candidate set of a current block, obtaining motion vector indication information of a current block from a video signal, extracting a motion vector candidate corresponding to a motion vector indication information from a motion vector candidate set, determining a predicted motion vector of a current block based on the extracted motion vector candidate, and performing motion compensation on a current block based on a predicted motion vector.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: June 24, 2014
    Assignees: LG Electronics Inc., Korea Advanced Institute of Science and Technology
    Inventors: Byeong Moon Jeon, Seung Wook Park, Joon Young Park, Jae Won Sung, Hyun Wook Park, Jee Hong Lee, Jin Young Lee, Dong San Jun, Yinji Piao
  • GENE ANALYSIS METHOD USING SDL-PCR
    Publication number: 20140171334
    Abstract: The present invention relates to a method for analyzing genes using SDL-PCR (separation of displaced ligation probe-based PCR), and more particularly to a method for analyzing genes using SDL-PCR, in which probes comprising a nucleotide sequence complementary to the gene of interest are ligated with each other by ligase, and another probe capable of hybridizing to the probes is hybridized and extended, thereby preparing a template probe, and the template probe for the gene of interest is amplified using universal primers. According to the SDL-PCR method of the present invention, non-specific amplification can be minimized by removing non-ligated probes or genomic DNA using a tag, and separation can be achieved within a shorter time compared to a separation method that is performed using exonuclease.
    Type: Application
    Filed: January 30, 2012
    Publication date: June 19, 2014
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Hyun Gyu Park, Sung Chul Shin, Gahee Kim, Vyoung-Cheorl Kang
  • Communication method of base station and target terminal
    Patent number: 8755809
    Abstract: Provided is a communication method of a base station and a target terminal. Resources used for a channel feedback may be reduced by determining a wireless resource based on information about a channel and information about a mobility of the target terminal in each of at least one route, and by feeding back channel state information.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: June 17, 2014
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Tae Soo Kwon, Woo Geun Ahn, Dong Ho Cho, Ju Yong Lee, Jong Bu Lim, Hyun Gi Ahn