Patents by Inventor Kyu Han

Kyu Han 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).

  • Computer system to use memory having defective memory cell and control method thereof
    Patent number: 7941705
    Abstract: A computer system having a plurality of devices including a data storage part which includes a plurality of cells to store data, and a controller to inspect whether there is a defective cell in the data storage part if a condition to execute a cell inspection function is met, and sets the defective cell to be assigned to one of the devices if a defective cell is found.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: May 10, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyu-in Han
  • Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
    Patent number: 7933560
    Abstract: An apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas are provided. A receiver estimates a fading channel of received data, selects a weight set relative to a maximum data transmission rate from at least one weight set with elements of a plurality of orthogonal weight vectors, and transmits feedback information including the selected weight set and channel-by-channel state information to a transmitter. The transmitter demultiplexes data to be transmitted on a basis of the feedback information into at least one sub-data stream, multiplies each sub-data stream by an associated weight, and transmits the data.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: April 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Kyu Han, Dae-Gyun Kim, Hwan-Joon Kwon, Dong-Hee Kim, Youn-Sun Kim, Yu-Chul Kim, Cheol Mun
  • METHOD AND APPARATUS FOR ALLOCATING COMMUNICATION RESOURCES USING VIRTUAL CIRCUIT SWITCHING IN A WIRELESS COMMUNICATION SYSTEM AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN A MOBILE STATION USING THE SAME
    Publication number: 20110090858
    Abstract: A method and apparatus using Virtual Circuit Switching (VCS) in a new scheme are provided for allocating and employing resources by combining Circuit Switching (CS) and Packet Switching (PS), in which a base station allocates resources of a dedicated channel using the CS to a user and then transmits data on the dedicated channel. When data is not transmitted to the user, the base station allocates the allocated dedicated channel resources for resources of a shared channel and transmits data of a different user. Therefore, system capacity can be increased and a waste of communication resources can be minimized in a wireless communication system for frequently transmitting a small amount of traffic that is sensitive to a delay time.
    Type: Application
    Filed: December 21, 2010
    Publication date: April 21, 2011
    Inventors: Hwan-Joon Kwon, Sung-Ho Choi, Ju-Ho Lee, Jin-Kyu Han, Seung-Kyun Oh, Youn-Hyoung Heo, Yu-Chul Kim
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MULTI-USER CONTROL CHANNELS IN A WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE ANTENNAS
    Publication number: 20110085506
    Abstract: Provided are a method and apparatus for transmitting and receiving multi-user control channels through a data channel region in a wireless communication system using multiple antennas. Further provided is a definition of a new search space for control channel candidates. In the transmitting method, a base station forms control channels for a plurality of user equipment each of which is composed of at least one resource block, performs a mapping for the control channels by dividing a space of the same transmission region in a data channel region of a sub-frame, and then multiplexes the control channels with data channels in the data channel region of the sub-frame and to transmit the multiplexed control channels.
    Type: Application
    Filed: October 12, 2010
    Publication date: April 14, 2011
    Inventors: In Ho Lee, Jin Kyu Han, Young Han Nam, Joon Young Cho, Hyoung Ju Ji
  • LTE-A SYSTEM AND UPLINK POWER CONTROL METHOD THEREOF
    Publication number: 20110081935
    Abstract: An LTE-A system and power control method for controlling cell interference based on codeword-specific transmission power adjustment with a transmission power control offset parameter. The method includes transmitting a parameter KS signaled by a higher layer and codeword-specific power control parameters from a base station to a terminal; calculating gains at the terminal, using the codeword-specific power control parameters and the parameter KS; calculating, at the terminal, codeword-specific transmit powers according to the gains; and transmitting, from the terminal to the base station, at least two codewords at the codeword-specific transmit powers.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 7, 2011
    Applicant: Samsung Electronics Co.,Ltd.
    Inventors: Myung Hoon YEON, Joon Yong Cho, Jin Kyu Han, Youn Sun Kim, Jianzhong Zhang
  • Dual liquid crystal display device
    Patent number: 7920228
    Abstract: A dual liquid crystal display device includes a transmissive liquid crystal display panel; a reflective liquid crystal display panel formed on the same substrate as the transmissive liquid crystal display panel; a first light guide block disposed under the transmissive liquid crystal display panel and having dot patterns formed on a first surface thereof; a second light guide block disposed under the reflective liquid crystal display panel and having V-grooves formed on a first surface thereof and dot pattern formed on a second surface thereof; a light source disposed adjacent to the first light guide block; and a housing in which the transmissive and reflective liquid crystal display panels, the light source and the light guide blocks are seated, the housing having an opening to correspond to an image display surface of the reflective liquid crystal display panel.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: April 5, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Kyu-Han Bae, Shawn Kim, James Kim, Chang-Won Lee, Hwal Choi, David Lee
  • APPARATUS AND METHOD FOR CREATING AND MANAGING PERSONAL SCHEDULES VIA CONTEXT-SENSING AND ACTUATION
    Publication number: 20110076994
    Abstract: An apparatus and method for schedule management includes storing at least one schedule for a user. The current activity of the user is determined. At a remind time for each schedule, the user is reminded of the schedule according to a reminder method. The reminder method selection is based on at least the determined current activity of the user. Some of the reminder methods selected between may include, for example, voice, ring, vibration, light, and/or text.
    Type: Application
    Filed: September 29, 2009
    Publication date: March 31, 2011
    Applicant: DEUTSCHE TELEKOM AG
    Inventors: Kyu-Han Kim, Nischal Piratla
  • Liquid crystal display having reflective plate with sidewalls to improve brightness
    Patent number: 7916238
    Abstract: A liquid crystal display design that reduces manufacturing costs and improves optical efficiency. The LCD includes a liquid crystal display panel, a light guide plate arranged on a rear surface of the liquid crystal display panel, a reflective plate that includes a bottom plate and a plurality of sidewalls attached to the bottom plate, the bottom plate of the reflective plate being arranged on a rear surface of the light guide plate to accommodate the light guide plate and the plurality of side walls of the light guide plate extending from the bottom plate to surround sides of the light guide plate and a bottom chassis arranged on a rear side of the reflective plate to accommodate the liquid crystal display panel, the light guide plate, and the reflective plate.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 29, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Kyu-Han Bae, Jai-Sang Jung
  • Dual liquid crystal display device
    Patent number: 7916243
    Abstract: A dual liquid crystal display (LCD) device including a first LCD panel displaying an image on a first surface; a second LCD panel formed on the same substrate to display an image on a second surface; a light source disposed at an adjacent side under the first LCD panel; a light guide disposed under the first and second LCD panels and including a first light guide block corresponding to the first LCD panel and having dot patterns formed in a first surface and a second light guide block corresponding to the second LCD panel and having taper-cascade grooves formed on a first surface; and a housing settling the first and second LCD panels, the light source and the light guide and having an opening to correspond to an image display surface of the second LCD panel.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: March 29, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Kyu-Han Bae, Shawn Kim, James Kim, Chang-Won Lee, David Lee, Hwal Choi
  • Dual liquid crystal display (LCD)
    Patent number: 7907235
    Abstract: A dual Liquid Crystal Display (LCD), having a transmissive first panel and a reflective second panel, includes: a first LCD panel and a second LCD panel arranged on the same substrate, the first LCD panel displaying an image on a first surface thereof and the second LCD panel displaying an image on a second surface thereof; a backlight unit arranged on a bottom of the first LCD panel; and a housing, anchoring the first and second LCD panels and the backlight unit, and having an opening corresponding to an image-displaying surface of the second LCD panel.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: March 15, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Kyu-Han Bae, Shawn Kim, Do-Young Kim, David Lee, Won-Ki Cho, Hwal Choi
  • SYSTEM AND METHOD FOR CALL LOGGING AND RETRIEVAL
    Publication number: 20110058660
    Abstract: A system and method for call logging and retrieval includes receiving a call log of a first call made by a user. The call log of the first call may include, for example, the start and end time of the call, and/or the like. The context for the call is provided by the user. A call record is stored for each call of a number of calls made to and from the user. The record for the first call includes the call log of the first call and the context for the first call.
    Type: Application
    Filed: September 9, 2009
    Publication date: March 10, 2011
    Applicant: Deutsche Telekom AG
    Inventors: Nischal Piratla, Kyu-Han Kim, Angela Nicoara
  • COPPER WIRING LINE OF SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME
    Publication number: 20110057316
    Abstract: A copper wiring of a semiconductor device is which is resistant to unwanted diffusion of copper from away from the copper wiring is presented. The copper wiring includes an interlayer dielectric, a self-assembly monolayer, a plurality of catalyst particles, a metal layer, and a copper layer. The interlayer dielectric on the semiconductor substrate has a wiring forming region. The self-assembly monolayer is the wiring forming region. The plurality of catalyst particles are adsorbed onto the surface of the self-assembly monolayer. The metal layer is formed on the self-assembly monolayer which has the adsorbed catalyst particles such that the metal layer serves as both a seed layer and as a diffusion barrier. The copper layer substantially fills in the wiring forming region.
    Type: Application
    Filed: December 10, 2009
    Publication date: March 10, 2011
    Applicants: Hynix Semiconductor Inc., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jae Hong KIM, Sung Goon KANG, Won Kyu HAN, Soo Ho PARK
  • Apparatus and method for transmitting reverse packet data in mobile communication system
    Patent number: 7903559
    Abstract: A method for controlling a reply signal transmission in a mobile communication system. The method includes determining whether an error is detected in the received data through the radio channel, generating a reply signal according to the error detection, determining a repetition control signal with a value that differs according to a data transmission rate, repeatedly replicating the reply signal according to the repetition control signal, and transmitting the replicated reply signal through the radio channel.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: March 8, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hwan-Joon Kwon, Dong-hee Kim, Youn-Sun Kim, Jin-Kyu Han
  • METHOD OF REFERENCE SIGNAL ALLOCATION IN WIRELESS COMMUNICATION SYSTEMS
    Publication number: 20110051749
    Abstract: A method is provided for determining reference signal positions in a frequency-time domain in an Orthogonal Frequency Division Multiple Access (OFDMA) system. A plurality of sub-carriers are selected in one resource block according to a predetermined mother pattern for reference signal allocation. When a single resource block is assigned for transmission to a user, the reference signal positions are determined corresponding to the plurality of selected sub-carriers in the single resource block. When multiple resource blocks are assigned for transmission to a user, the reference signal positions are determined in the multiple resource blocks by reducing a number of the plurality of selected sub-carriers in the mother pattern for at least one of the multiple resource blocks.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 3, 2011
    Inventors: Shan CHENG, Sung Tae KIM, Jin Kyu HAN
  • Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
    Patent number: 7899405
    Abstract: An apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas are provided. A receiver estimates a fading channel of received data, selects a weight set relative to a maximum data transmission rate from at least one weight set with elements of a plurality of orthogonal weight vectors, and transmits feedback information including the selected weight set and channel-by-channel state information to a transmitter. The transmitter demultiplexes data to be transmitted on a basis of the feedback information into at least one sub-data stream, multiplies each sub-data stream by an associated weight, and transmits the data.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: March 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Kyu Han, Dae-Gyun Kim, Hwan-Joon Kwon, Dong-Hee Kim, Youn-Sun Kim, Yu-Chul Kim, Cheol Mun
  • METHOD AND APPARATUS FOR CONFIGURING CONTROL CHANNEL IN OFDM SYSTEM
    Publication number: 20110044391
    Abstract: A control channel configuration method and apparatus is provided for supporting Inter-Cell Interference Coordination (ICIC) in an OFDM-based communication system. The control channel configuration method includes determining a Resource Block (RB) to be used for configuring control channels; configuring the control channels by mapping the control channels in a data channel region within the RB; and transmitting the configured control channels, wherein configuring the control channels includes mapping the control channels in units of Resource Element Groups (REGs) formed by binding one or more Resource Elements (REs) in a time domain-preferred allocation manner within the same RB.
    Type: Application
    Filed: August 24, 2010
    Publication date: February 24, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyoung Ju JI, Joon Young Cho, Jin Kyu Han, Seung Hoon Choi
  • METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING A REFERENCE SIGNAL IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20110044250
    Abstract: A method and apparatus for transmitting/receiving reference signals in Long Term Evolution (LTE) and LTE-Advanced (LTE-A) systems includes determining whether a dedicated reference signal is detected in a current subframe; estimating, if a dedicated reference signal is detected in the current subframe, a data channel using the dedicated reference signal to receive data; and estimating, if no dedicated reference signal is detected in the current subframe, a data channel using a common reference signal detected in the current subframe to receive data. The transmission scheme uses a DeModulation Reference Signal (DM-RS) for channel response estimation. To secure backward compatibility of the LTE-A system, a Common Reference Signal is transmitted in normal subframes.
    Type: Application
    Filed: August 24, 2010
    Publication date: February 24, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin Kyu HAN, Youn Sun KIM, Cheng SHAN, In Ho LEE, Sung Tae KIM
  • Method and apparatus for transmitting/receiving resource allocation information through bitmap in a mobile communication system using shared control channel
    Patent number: 7894391
    Abstract: A method for transmitting/receiving resource allocation information in a mobile communication system using a shared control channel. The transmission method includes performing scheduling for resource allocation to a plurality of terminals; generating, in a bitmap, information indicating allocation/non-allocation of resources which are not sequentially allocated beginning from a particular terminal using the scheduling result; and transmitting, over the shared control channel, resource allocation information including a terminal identifier and a resource allocation bitmap of each terminal.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: February 22, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hwan-Joon Kwon, Dong-Hoo Kim, Jae-Chon Yu, Jin-Kyu Han, Jung-Soo Jung, Yu-Chul Kim
  • Nitride based semiconductor light-emitting device
    Patent number: 7893443
    Abstract: Disclosed herein is a nitride-based semiconductor light-emitting device. The nitride-based semiconductor light-emitting device comprises an n-type clad layer made of n-type Alx1Iny1Ga(1-x1-y1)N (where 0?x1?1, 0?y1?1, and 0?x1+y1?1), a multiple quantum well-structured active layer made of undoped InAGa1-AN (where 0<A<1) formed on the n-type clad layer, and a p-type clad layer formed on the active layer wherein the p-type clad layer includes at least a first layer made of p-type Iny2Ga1-y2N (where 0?y2<1) formed on the active layer and a second layer made of p-type Alx3Iny3Ga(1-x3-y3)N (where 0<x3?1, 0?y3?1, and 0<x3+y3?1) formed on the first layer.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: February 22, 2011
    Assignee: Samsung LED Co,; Ltd.
    Inventors: Je Won Kim, Jeong Tak Oh, Dong Joon Kim, Sun Woon Kim, Jin Sub Park, Kyu Han Lee
  • METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING CONTROL CHANNEL
    Publication number: 20110038303
    Abstract: A method and apparatus for transmitting/receiving control channels through a wireless backhaul in an OFDM-based communication system including relay nodes is provided. A method for transmitting a control channel includes arranging control resources for at least one receiver; sorting the control resources and null resources in a control channel region; rearranging the control resources to be distributed and the null resources to be adjacent to the distributed control resources; and mapping the control resources and null resources to the control channel region.
    Type: Application
    Filed: August 16, 2010
    Publication date: February 17, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyoung Ju Ji, Joon Young Cho, Jin Kyu Han