Patents by Inventor Hyun Woo

Hyun Woo 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: 20110055176
    Abstract: Provided is a system and method that may encode various formats of contents to a single format and thereby manage the contents, and may transform the contents to a format corresponding to a request of a third party or an end user to distribute the content. A media mediator system of managing various formats of contents may include: a service manager to receive a content and metadata of the content from a content provider; a metadata manager to register the content using the metadata, and to store the metadata of the registered content; a database manager to store and manage information associated with the content; and an encoding manager to schedule an encoding sequence of the content, and to sequentially encode the content based on a scheduling result.
    Type: Application
    Filed: January 27, 2010
    Publication date: March 3, 2011
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jun Kyun Choi, Jinhong Yang, Hyojin Park, Kyong-Il Cho, Yongrok Kim, Won Ryu, Hyun Woo Lee, Changwoo Yoon, Seng Kyoun Jo
  • Publication number: 20110044312
    Abstract: A method and apparatus of generating a ranging signal in a wireless communication system is provided. A mobile station (MS) generates a ranging code in which a covering code has been applied to each of a plurality of orthogonal frequency division multiple access (OFDMA) symbols, and maps the ranging code to a plurality of subcarriers constituting each of the OFDMA symbols. The ranging signal is generated by performing OFDMA modulation on each of the OFDMA symbols.
    Type: Application
    Filed: August 19, 2010
    Publication date: February 24, 2011
    Inventors: Hyun Woo Lee, Han Gyu Cho, Jin Sam Kwak, Yeong Hyeon Kwon
  • Publication number: 20110042069
    Abstract: Provided are coated sleeved oil and gas well production devices and methods of making and using such coated sleeved devices. In one form, the coated sleeved oil and gas well production device includes an oil and gas well production device including one or more bodies and one or more sleeves proximal to the outer or inner surface of the one or more bodies, and a coating on at least a portion of the inner sleeve surface, outer sleeve surface, or a combination thereof, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt %, graphite, MoS2, WS2, a fullerene based composite, a boride based cermet, a quasicrystalline material, a diamond based material, diamond-like-carbon (DLC), boron nitride, and combinations thereof.
    Type: Application
    Filed: February 22, 2010
    Publication date: February 24, 2011
    Inventors: Jeffrey Roberts Bailey, Erika Ann Ooten Biediger, Narasimha-Rao Venkata Bangaru, Adnan Ozekcin, Hyun-Woo Jin, Mehmet Deniz Ertas, Raghavan Ayer, William Curtis Elks, Charles Shiao-Hsiung Yeh, Michael David Barry, Michael Thomas Hecker, Swarupa Soma Bangaru
  • Publication number: 20110047030
    Abstract: The present invention relates to a method and apparatus for receiving/providing mobile digital advertisement service. The mobile digital advertisement service receiving method includes receiving a connection guide message from an access point installed at a first store, establishing connection to the access point by transmitting a connection acceptance message in response to the received connection guide message, and receiving the advertisement contents from an advertisement managing server connected to the access point after establishing connection to the access point. The connection guide message is a message for inquiring whether to receive the advertisement contents or not.
    Type: Application
    Filed: August 20, 2010
    Publication date: February 24, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Changwoo YOON, Ho-Yeon LEE, Yu-Doo KIM, Hyun-Woo LEE
  • Publication number: 20110044215
    Abstract: A communication method of a user equipment using a time division duplex (TDD) frame in a wireless communication system is provided. The communication method include configuring a TDD frame comprising at least one downlink subframe and at least one uplink subframe, and transmitting a signal by using the TDD frame, wherein an uplink of the TDD frame starts on the basis of a guard period (GP) or an uplink pilot time slot (UpPTS) of a heterogeneous TDD frame.
    Type: Application
    Filed: April 14, 2009
    Publication date: February 24, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Patent number: 7894396
    Abstract: A method for generating an iterative sequence and a signal transmission method using the same are disclosed. As the cell size or the distance between a user equipment (UE) and a Node-B increases, the CP is repeated at least one time while the iterative sequence is generated, the CP length and the ZCZ length are adjusted, so that the sequence timing point can be easily detected, orthogonality between sequences is maintained, and the sequences can be clearly distinguished from each other.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: February 22, 2011
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Seung Hee Han, Yeong Hyeon Kwon, Hyun Hwa Park, Hyun Woo Lee, Dong Cheol Kim
  • Publication number: 20110036115
    Abstract: There is provided an ice maker and a water purifier having the same capable of effectively making ice using two water trays. The water purifier having an ice maker includes a water tray member comprising an ice-making water tray holding ice-making raw water to make ice using an ice-making unit, and an auxiliary water tray holding ice-making raw water remaining in the ice-making water tray in the course of cooling the ice-making raw water by means of the ice-making unit and removing the ice-making raw water from the ice-making water tray; an ice reservoir storing ice made in the ice-making unit; a cold water storage tank cooling water held therein using the ice made in the ice-making unit; and a guide member guiding the ice made in the ice-making unit so that the ice is selectively fed to either the ice reservoir or the cold water storage tank.
    Type: Application
    Filed: March 31, 2009
    Publication date: February 17, 2011
    Applicant: Woongjin Coway Co., Ltd.
    Inventors: Jong-Han Lee, Jung-Chul Park, Hyun-Woo Lee, Hee-Do Jung
  • Patent number: 7888982
    Abstract: A semiconductor memory apparatus having a clock signal generation circuit and a data output circuit is presented. The apparatus includes a delay locked loop (DLL), a phase locked loop (PLL), a frequency discrimination unit, and a data output buffer. The DLL circuit is configured to negatively delay a clock signal to generate a DLL clock signal. The PLL circuit is configured to receive the DLL clock signal to generate a control voltage in response to a frequency of the DLL clock signal and to generate a PLL clock signal of a frequency corresponding to a level of the control voltage. The frequency discrimination unit is configured to discriminate a frequency of the DLL clock signal in accordance with the level of the control voltage to generate a frequency discrimination signal. The data output buffer is configured to receive the DLL clock signal or the PLL clock signal to buffer output data signals.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: February 15, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hyun Woo Lee, Won Joo Yun
  • Patent number: 7889633
    Abstract: A method for uplink transmission in an OFDMA system is provided. The subcarrier transmission method includes arranging 4 pilot REs at different positions of a frequency axis in a basic unit when the basic unit includes 4 subcarriers on the frequency axis and 6 OFDM(A) symbols in a time axis, arranging data REs at remaining positions of the basic unit, and transmitting the basic unit to a receiving end.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: February 15, 2011
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Yeong Hyeon Kwon, Sung Ho Moon, Jin Sam Kwak, Dong Cheol Kim, Seung Hee Han, Hyun Woo Lee, Jin Soo Choi
  • Publication number: 20110032853
    Abstract: Disclosed is a method and an apparatus for communication in a TDD (Time Division Duplex) based wireless communication system. The present invention involves setting a first frame comprising a plurality of consecutive downlink subframes and a plurality of consecutive uplink subframes. The start point for the first uplink subframe in the plurality of consecutive uplink subframes, is located at a switching point in a second frame used by another system.
    Type: Application
    Filed: April 14, 2009
    Publication date: February 10, 2011
    Inventors: Seong Ho Moon, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110032855
    Abstract: The present invention provides a method of performing communication using a TDD (Time Division Duplex) mode, the method comprising receiving, from a second system, TDD frame configuration information of the second system, which comprises information on punctured symbol, the information on punctured symbol to be obtained based on TDD frame configuration information of a first system and operating based on the received TDD frame configuration information of the second system.
    Type: Application
    Filed: April 23, 2009
    Publication date: February 10, 2011
    Inventors: Dong Cheol Kim, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110028004
    Abstract: A mark used in the determination of overlay error comprises sub-features, the sub-features having a smallest pitch approximately equal to the smallest pitch of the product features. The sensitivity to distortions and aberrations is similar as that for the product features. When the mark is developed the sub-features merge and the outline of the larger feature is developed.
    Type: Application
    Filed: July 7, 2010
    Publication date: February 3, 2011
    Applicant: ASML Netherlands B.V.
    Inventors: Jiun-Cheng Wang, Richard Johannes Franciscus Van Haren, Maurits Van der Schaar, Hyun-Woo Lee, Reiner Maria Jungblut
  • Publication number: 20110025384
    Abstract: Various embodiments of a semiconductor integrated circuit. According to one exemplary embodiment, a semiconductor integrated circuit includes a multi-phase clock generator that is configured to generate a multi-phase internal clock; a first edge combining unit that is configured to generate a first output clock having a first frequency by combining rising edges of clocks included in the internal clock, and transmit the first output clock to a first port; and a second edge combining unit that is configured to generate a second output clock having a second frequency by combining rising edges of clocks included in the internal clock, and transmit the output clock to a second port.
    Type: Application
    Filed: December 23, 2009
    Publication date: February 3, 2011
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Won Joo YUN, Hyun Woo Lee, Ki Han Kim
  • Publication number: 20110026419
    Abstract: A method and apparatus for controlling uplink transmit power in a wireless communication system are disclosed. The method includes determining an uplink transmit power for each of the plurality of transmission channels, and sequentially allocating the determined uplink transmit powers to the transmission channels in a descending order of predetermined priority levels of the transmission channels, within a maximum available transmit power of the user equipment. The priority levels of the transmission channels are predetermined so that control channels, a sounding channel, a data channel, and a bandwidth request channel have priority levels in a descending order.
    Type: Application
    Filed: July 14, 2010
    Publication date: February 3, 2011
    Inventors: Dong Cheol Kim, Wook Bong Lee, Han Gyu Cho, Jin Sam Kwak, Bin Chul Ihm, Hyun Woo Lee
  • Patent number: 7881364
    Abstract: Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by using various length sequence as a reference signal sequence can be minimized by grouping sequences having the high cross correlation relation.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: February 1, 2011
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Seung Hee Han, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Publication number: 20110017971
    Abstract: An integrated circuit device includes a device isolation pattern on a semiconductor substrate to define an active area therein. The active area includes a doped region therein. A conductive pattern extends on the active area and electrically contacts the doped region. The conductive pattern has a lower resistivity than the doped region. The conductive pattern may be disposed in a recessed region having a bottom surface lower than a top surface of the active area. A channel pillar electrically contacts to the doped region and extends therefrom in a direction away from the substrate. A conductive gate electrode is disposed on a sidewall of the channel pillar, and a gate dielectric layer is disposed between the gate electrode and the sidewall of the channel pillar.
    Type: Application
    Filed: June 30, 2010
    Publication date: January 27, 2011
    Inventors: Kang-Uk Kim, Yongchul Oh, Hui-Jung Kim, Hyun-Woo Chung, Hyun-Gi Kim
  • Publication number: 20110019597
    Abstract: A method of allocating a radio resource in a frequency division duplex (FDD) frame in which a downlink frame and an uplink frame are divided in a frequency domain in a wireless communication system includes allocating a downlink resource region for a first system in the downlink frame, and allocating an uplink resource region for the first system to the uplink frame such that the uplink resource region does not temporally overlap with the downlink resource region for the first system, wherein a resource region except for the downlink resource region for the first system is allocated to a downlink resource region for a second system in the downlink frame, and a resource region except for the uplink resource region for the first system is allocated to an uplink resource region for the second system in the uplink frame.
    Type: Application
    Filed: February 26, 2009
    Publication date: January 27, 2011
    Inventors: Sung Ho Moon, Minseok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110019694
    Abstract: A method for generating a preamble for a random access in a wireless communication system is provided. The method includes: dividing a preamble sequence into sequence subsets each corresponding to each of a plurality of antennas; and generating a preamble by using the sequence subsets corresponding to each of the plurality of antennas. A method for generating a preamble for a random access supporting multiple antennas in a wireless system can be provided.
    Type: Application
    Filed: March 19, 2009
    Publication date: January 27, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Min Seok Noh, Jin Sam Kwak, Dong Cheol Kim, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee
  • Publication number: 20110019622
    Abstract: A method of performing communication in a wireless communication system is disclosed. In performing ranging, which is performed by a terminal in a wireless communication system supporting a normal scheme and a legacy scheme, the present invention includes selecting a specific ranging structure from a first ranging structure supporting the normal scheme and a second ranging structure supporting the legacy scheme, and transmitting a ranging signal using the specific ranging structure, wherein the first ranging structure and the second ranging structure are set to differ in at least one of a time resource, a frequency resource and a code resource.
    Type: Application
    Filed: March 4, 2009
    Publication date: January 27, 2011
    Inventors: Hyun Woo Lee, Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Sung Ho Moon, Seung Hee Han
  • Publication number: 20110013595
    Abstract: A method for reducing handover interruption time in a mobile station is disclosed, in which a mobile station performs a ranging procedure using a dedicated ranging code previously allocated from a target base station. The dedicated ranging code allocated by the target base station may be provided through the serving base station, or may directly be provided from the target base station.
    Type: Application
    Filed: May 14, 2009
    Publication date: January 20, 2011
    Inventors: Kyu Jin Park, Doo Hyun Sung, Hyun Woo Lee, Han Gyu Cho, Eun Jong Lee, Yeong Hyeon Kwon, Jae Hoon Chung