Patents Assigned to Advanced Institute of Science and Technology
  • OOK modulation device and wireless transmitting device including the same
    Patent number: 9319256
    Abstract: An OOK modulation device according to the present inventive concept includes: an oscillator outputting a first frequency signal in which the frequency varies according to an input voltage; a frequency multiplier switching unit operating according to an OOK input data and switching on/off a second frequency signal that is obtained by multiplying the first frequency signal; and a switching amplifying unit amplifying and switching the second frequency signal according to the OOK input data to output an OOK modulation signal.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: April 19, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Chul Soon Park, Chul Woo Byeon, Chae Jun Lee, Chong Hyun Yoon, Joong Ho Lee, Seong Jun Cho, Hong Yi Kim, In Sang Song
  • Method and System for Supporting Dynamic Instance Hosting Service of Virtual Object
    Publication number: 20160105501
    Abstract: Disclosed is a method and system for re-directing a dynamic instance hosting service of a virtual object. The dynamic instance hosting service re-directing system may include a spatial information controller configured to determine whether an instance of an Internet of Things (IoT) device is movable based on spatial information of the IoT device using an instance hosting function; and an instance resource controller configured to manage available instance resources associated with the IoT device and an external service for an instance movement of the IoT device.
    Type: Application
    Filed: January 23, 2015
    Publication date: April 14, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jun Kyun Choi, Jin Hong Yang, Yong Rok Kim, Hyo Jin Park, Kyu Yeong Jeon
  • Method and System for Controlling Internet of Things (IoT) Device
    Publication number: 20160105292
    Abstract: Provided is a method and system for controlling an Internet of Things (IoT) device. An IoT control method configured as a computer may include registering an IoT device as a buddy through an open application programmer interface (API) of a messenger service platform; creating a group chat room by grouping a plurality of IoT devices among IoT devices registered as the buddy; and providing a messaging service participated in by the plurality of IoT devices through the group chat room.
    Type: Application
    Filed: February 18, 2015
    Publication date: April 14, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jun Kyun Choi, Kyu Yeong Jeon
  • PERFORMANCE IMPROVEMENT METHOD IN INSTANCE HOSTING ENVIRONMENT AND SERVICE SYSTEM THEREFOR
    Publication number: 20160103666
    Abstract: A service system in an IoT environment is provided. The service system includes an instance manager configured to manage generation and operation of an instance for a virtual object corresponding to an IoT device. The instance manager includes an instance pool configured to pool the instance, a message router configured to filter a data stream according to the instance and to transmit the filtered result value together with the data stream, and an instance lifecycle manager configured to reuse the instance pooled in the instance pool according to the filtered result value or to skip calling of an instance according to the data stream.
    Type: Application
    Filed: September 15, 2015
    Publication date: April 14, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jun Kyun Choi, Jin Hong Yang, Hyo Jin Park, Yong Rok Kim, Kyu Yeong Jeon
  • Method for determining transmission power in MIMO system based on cooperative transmission
    Patent number: 9301263
    Abstract: A method for determining a transmission power in a multi-input multi-output (MIMO) system based on a cooperative transmission is provided. The method includes setting a power constraint condition of a transmitter and target quality information of a receiver. The method further includes determining the transmission power to be allocated to the transmitter to transmit the data to the receiver based on the power constraint condition and the target quality information.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: March 29, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Byung Moo Lee, Jin Kyu Kang, Joon Hyuk Kang, Nam Jeong Lee, Byung Chang Kang, Jong Ho Bang, Jin Hyeock Choi
  • APPARATUS AND METHOD FOR SINGLE-CHANNEL DIGITAL OPTICAL PHASE CONJUGATION
    Publication number: 20160085135
    Abstract: A single-channel phase conjugation apparatus includes a spatial light modulator and a single-channel optical sensing and generating unit. The spatial light modulator receives a light having a wavefront scattered by a scattering object. The single-channel optical sensing and generating unit senses a phase control wavefront of an output light focused by the spatial light modulator and outputs a light having a phase conjugation wavefront by changing a direction of the output light in a reverse direction depending on the phase control wavefront.
    Type: Application
    Filed: December 22, 2014
    Publication date: March 24, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Yong Keun Park, Kyeo Reh Lee
  • Motion picture encoding apparatus and method thereof
    Patent number: 9282342
    Abstract: Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: March 8, 2016
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University, Korea Advanced Institute of Science and Technology
    Inventors: Sung-Chang Lim, Ha Hyun Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Hae Chul Choi, Jong Ho Kim, Jin Ho Lee, Jin Soo Choi, Jin Woo Hong, Dong Gyu Sim, Seoung Jun Oh, Gwang Hoon Park, Mun Churl Kim, Neung Joo Hwang, Sea Nae Park
  • Method and apparatus for manipulating near field using light scattering
    Patent number: 9279764
    Abstract: An apparatus for manipulating surface near-field light resulting from light emitted from a light source that passes through a scattering layer is disclosed. Also, a method of finding a phase of incident light to cause constructive interference at a target spot using light scattering to manipulate the surface near-field.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: March 8, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yongkeun Park, Jung-Hoon Park, Yong-Hoon Cho, Chunghyun Park
  • Job scheduling apparatus and job scheduling method thereof to assign jobs to a core
    Patent number: 9274845
    Abstract: An apparatus and a job scheduling method are provided. For example, the apparatus is a multi-core processing apparatus. The apparatus and method minimize performance degradation of a core caused by sharing resources by dynamically managing a maximum number of jobs assigned to each core of the apparatus. The apparatus includes at least one core including an active cycle counting unit configured to store a number of active cycles and a stall cycle counting unit configured to store a number of stall cycles and a job scheduler configured to assign at least one job to each of the at least one core, based on the number of active cycles and the number of stall cycles. When the ratio of the number of stall cycles to a number of active cycles for a core is too great, the job scheduler assigns fewer jobs to that core to improve performance.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: March 1, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Woong Seo, Yeon-Gon Cho, Soo-Jung Ryu, Seok-Woo Song, John Dongjun Kim, Min-Seok Lee
  • Flexible Thermoelectric Device Using Mesh Type Substrate and Manufacturing Method Thereof
    Publication number: 20160056360
    Abstract: The present invention relates to a flexible thermoelectric device and a manufacturing method thereof, and a thermoelectric material is formed on a mesh type substrate made of a glass fabric, and the like. According to the present invention, since the thermoelectric material is supported by a mesh type substrate without a substrate made of alumina, and the like, the thermoelectric device has a high flexibility and a light weight, and thermal loss is minimized by the substrate to maximize thermoelectric efficiency.
    Type: Application
    Filed: April 22, 2014
    Publication date: February 25, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Byung Jin Cho, Sun Jin Kim, Ju Hyung We
  • Apparatus and method for managing content for cloud computing
    Patent number: 9270753
    Abstract: A cloud service system includes at least one user device, a plurality of clouds for providing different cloud services, and a gateway connected between the user device and the clouds. The gateway selects at least one of the clouds according to predefined Service Level Agreement (SLA) information, and stores content provided from the user device to the selected cloud.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: February 23, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Yongsuk Park, Sun-Mi Kim, Chan-Hyun Youn, Dan-Keun Sung, Jin-Won Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han, Tae-Hoon Kim, Ji-Young Cha
  • INDUCTANCE VARYING CIRCUIT AND POWER SUPPLY APPARATUS INCLUDING THE SAME
    Publication number: 20160049877
    Abstract: A power supply apparatus may include a transformer unit outputting a voltage transformed depending on an inductance ratio between a primary side and a secondary side, an inductance varying unit varying an inductance of the primary side depending on whether or not external input power is being input, and an output unit stabilizing the transformed voltage and outputting the stabilized voltage.
    Type: Application
    Filed: February 5, 2015
    Publication date: February 18, 2016
    Applicants: SAMSUNG ELECTRO-MECHANICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Jung Min KANG, Gun Woo MOON, Yeon Ho JEONG, Jae Kuk KIM, Jae Hyun KIM
  • Method for invoking application in screen lock environment
    Patent number: 9256749
    Abstract: A method for invoking an application in a Screen Lock screen is disclosed herein. The method for invoking an application in a user equipment includes the steps of selecting at least one unlock application that is to be displayed on a Screen Lock screen among multiple applications, and displaying an unlock application icon respective to each of the select at least one unlock application on the Screen Lock screen.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: February 9, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jun Kyun Choi, Hyo Jin Park, Jin Hong Yang
  • Composite separator for polymer electrolyte membrane fuel cell and method for manufacturing the same
    Patent number: 9257706
    Abstract: The present invention provides a method for manufacturing a composite separator for a polymer electrolyte membrane fuel cell. The method comprises: preparing a prepreg as a continuous carbon fiber-reinforced composite and a graphite foil; allowing the cut prepreg and graphite foil to pass through a stacking/compression roller to be compressed; allowing the prepreg in which the graphite foil is integrally stacked to be heated and pressed by a hot press such that hydrogen, air, and coolant flow fields are formed or to pass through a hot roller to be formed into a separator; removing unnecessary portions from the heated and pressed separator using a trim cutter; and post-curing the thus formed separator, wherein the graphite foil may be stacked on the prepreg as the continuous carbon fiber-reinforced composite such that a graphite layer is integrally formed with the prepreg.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: February 9, 2016
    Assignees: Hyundai Motor Company, Korea Advanced Institute of Science and Technology
    Inventors: Dai Gil Lee, Ha Na Yu, Jun Woo Lim, Sae Hoon Kim, Jung Do Suh, Byung Ki Ahn
  • Method and apparatus for deciding network coding method based on link utilization
    Patent number: 9258204
    Abstract: A method and apparatus for deciding a network coding method based on link utilization are disclosed herein. The method may include a step of setting up an output link utilization reference value of a network intermediate node, a step of calculating an average utilization of output links for each network intermediate node, a step of deciding a network coding method in accordance with the average utilization of the output link for each network intermediate node, a step of consistently updating the average utilization of the output link for each network intermediate node, and a step of changing the network coding method, when a value of the average utilization value is changed.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: February 9, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Hong Shik Park, Tae Hwa Kim
  • METHOD AND SYSTEM FOR BROWSING VIRTUAL OBJECT
    Publication number: 20160034596
    Abstract: Disclosed is a method and system for browsing a virtual object. A virtual object browsing method includes acquiring identification information of a captured object from the object, acquiring information about a service provider of a virtual object mapped to the identification information, and acquiring related information of the object from the corresponding service provider based on the information about the service provider.
    Type: Application
    Filed: February 12, 2015
    Publication date: February 4, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jun Kyun Choi, Jin Hong Yang, Hyo Jin Park
  • Method and apparatus for fast beam-link construction in mobile communication system
    Patent number: 9252864
    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: Grant
    Filed: January 2, 2014
    Date of Patent: February 2, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jiyun Seol, Heeseong Yang, Joohwan Chun, Sanghyouk Choi
  • Apparatus and method for generating tomography image
    Patent number: 9251604
    Abstract: A method of generating a tomography image includes performing a depth scan on one spot on a surface of a subject using modulated light received from a spatial light modulator, obtaining depth scan data for each of a plurality of patterns of the spatial light modulator by repeating the depth scan on the spot for each of the plurality of patterns, forming a matrix R representing a vector space based on a correlation of signal values of the depth scan data for each of the plurality of patterns, performing a matrix decomposition on the matrix R, dividing the vector space into a noise subspace and a signal subspace based on a matrix obtained by the matrix decomposition, constructing a vector space based on either one or both of components of the signal subspace and components of the noise subspace, and generating a tomography image based on the reconstructed vector space.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: February 2, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jae-guyn Lim, YongKeun Park, Jae-duck Jang, Seong-deok Lee, Woo-young Jang
  • Communication device, multicast control method, and scheduling control method
    Patent number: 9246697
    Abstract: A communication device, a multicast control method, and a scheduling control method are disclosed. The communication device includes: a decoding buffer that stores a first multicast packet received from a first node and a second multicast packet received from a second node; an encoder that performs network coding of the first and second multicast packets; and a transmitter that transmits the network-coded packets output from the encoder to the first node and the second node.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: January 26, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: June Koo Rhee, Dujeong Lee, Kyounghye Kim, Junhyuk Kim
  • Structure of vacuum insulator with assembly reciprocating support
    Patent number: 9243736
    Abstract: Provided is an inner structure of a vacuum insulator with an assembly reciprocating support to increase an insulation performance, the structure of the vacuum insulator including a top board, a bottom board, and an assembly reciprocating support installed perpendicularly between the top board and the bottom board, the assembly reciprocating support including a solid shaft, a hollow shaft, and a connection part.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: January 26, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Tae-Ho Song, Seong Wook Cho, Hae-yong Jung, Jongmin Kim, In-Seok Yeo, Bongsu Choi, Jae Hyug Lee, SeungWook Kim, Wookjin Lee, Shin-Woo Jang