Patents by Inventor Yong-hoon Lee

Yong-hoon Lee 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: 20140111690
    Abstract: A display device, a remote control device for the display device, a method of controlling the display device, a method of controlling the remote control device, and a method of controlling a server includes collecting at least one piece of situation information or receiving at least one piece of situation information from a remote control device, determining a current state of a user based on the collected or received at least one piece of situation information, instructing the remote control device to output a notification signal corresponding to the current state of the user, and generating the control command according to the current state of the user and providing a sense-based image service to the user according to the control command.
    Type: Application
    Filed: October 16, 2013
    Publication date: April 24, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: In Ji Kim, Yong Hoon Lee, Snag On Choi
  • Publication number: 20140111689
    Abstract: A display device includes an input unit to receive a user message, a video output unit to display a plurality of agents, and an agent controller to analyze the user message and generate at least one agent message for at least one of the plurality of agents based on an analysis result of the user message. Different agent messages are generated for the plurality of agents. The display device may display the agent messages on the video output unit. If the display device includes an audio output unit, the agent messages may be output by voice.
    Type: Application
    Filed: September 18, 2013
    Publication date: April 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In Ji KIM, Gyoung Chan Seol, Jae Hong Ahn, Young Jun Ryu, Yong Hoon Lee
  • Patent number: 8687675
    Abstract: Disclosed is a data transmission/reception method and system for minimizing intercarrier interference (ICI) in a communication system using a multicarrier. The data transmission method by a transmitter includes grouping transmission signals in units of a predetermined number of transmission signals when the transmitter has received the transmission signals, multiplying each group of the transmission signals by a transmission coding matrix, and transmitting the transmission signals multiplied by the transmission coding matrix to a receiver.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: April 1, 2014
    Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science & Technology (KAIST)
    Inventors: Tak-Ki Yu, Myeon-Kyun Cho, Dong-Ho Kim, Jae-Yeun Yun, Yong-Hoon Lee, Sae-Young Chung, Young-Seok Oh
  • Publication number: 20140087683
    Abstract: Disclosed is a method of receiving, by a terminal, an additional network service provided through a temporary base station disposed temporarily or locally in order to transfer disaster information, including: receiving information on the additional network through an existing network service provided by a base station; verifying whether the terminal is handed over to the additional network based on the information on the additional network; and receiving the additional network service through the additional network. According to the present invention, even when a communication service disability occurs due to a flood of telephone traffic in an area where a disaster situation or an event occurs, a communication service can be provided through the additional network in terms of the communication service and a broadcasting channel that provides information specific to the disaster situation or event can be temporarily or locally additionally provided.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 27, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyoung Soo LIM, Yong Tae LEE, So Ra PARK, Yong Hoon LEE, Geon KIM, Myung Sun BAEK, Bo Mi LIM, Yun Jeong SONG, Nam Ho HUR
  • Patent number: 8584190
    Abstract: Provided is an apparatus and method for transmitting and receiving broadcasting data and supplementary data. The method includes: generating broadcasting data and supplementary data for a plurality of predetermined 3D broadcasting services to be provided to users; multiplexing the generated broadcasting data for broadcasting channels respectively allocated to the plurality of predetermined 3D broadcasting services, and multiplexing the generated supplementary data for one commonly broadcasting channel commonly allocated to the plurality of predetermined 3D broadcasting services; encoding the multiplexed supplementary data corresponding to a conditional access system; and transmitting the encoded supplementary data to the one common broadcasting channel, and transmitting the multiplexed broadcasting data to the allocated broadcasting channels.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: November 12, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bong-Ho Lee, Hyun Lee, Gwang-Soon Lee, Yong-Hoon Lee, Namho Hur, Kwanghee Jung, Soo-In Lee
  • Publication number: 20130287215
    Abstract: An apparatus and method for outputting audio signals of a portable communication device are provided. The apparatus includes a plurality of audio tables including different volume control values or tone control values, and allows a user to selectively set audio tables corresponding to each of audio paths equipped with the portable communication device. Further, the apparatus analyzes a surrounding environment during a voice call, determines the absence or presence of noise, and suitably controls a volume or a tone of audio signals based on the result of the determination before outputting the audio signals. Accordingly, the apparatus can provide an improved calling condition in various calling environments.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 31, 2013
    Applicant: Samsung Electronics Co. Ltd.
    Inventors: Yang-Su KIM, Chul-Hwan LEE, Mi-Hyang KIM, Jun-Tai KIM, Nam-Il LEE, Yong-Hoon LEE
  • Patent number: 8538297
    Abstract: A charging apparatus including a charging tube which has an outer surface contacting a photoconductive medium and electrically charges a surface of the photoconductive medium, a shaft which is disposed in the charging tube and to which a charging voltage is applied, and a conductive member which is connected to the shaft and contacts an inner surface of the charging tube. A friction coefficient between the conductive member and the inner surface of the charging tube may be less than a friction coefficient between the photoconductive medium and the outer surface of the charging tube, so that a slip phenomenon of the charging tube is prevented.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: September 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-cheol Jeon, Ki-jae Do, Jong-hwa Joo, Yong-hoon Lee, Sang-jin Park
  • Patent number: 8515321
    Abstract: A toner supply roller of an electrophotographic imaging apparatus and a method of preparing the toner supply roller are provided. The toner supply roller includes a polyurethane foam, and a metal shaft inserted in the polyurethane foam along an axis thereof, wherein the polyurethane foam includes an ion-conductive agent and a binder, and the binder includes a resin having an amide bond. Accordingly, the toner supply roller including polyurethane foam provides an improved toner supply and prevents image defects.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-hyun Kim, An-kee Lim, Hee-won Jung, Yong-hoon Lee
  • Publication number: 20130200948
    Abstract: According to the present invention, a digital pre-distortion device and method for use in a dynamic spectrum allocation system, which uses a breadband frequency range, such as a cognitive radio (CR) system, are implemented. Also, while as conventional pre-distortion device only enable the linearization of a signal of a fundamental frequency band, the digital pre-distortion device and method according to the present invention enable not only the linearization of a basic signal on frequency fc, but also simultaneously enable the elimination of harmonic signals on the high frequencies of 2fc, 3fc, 4fc, etc. The digital pre-distortion device for a broadband power amplifier according to a preferred embodiment of the present invention comprises: a nonlinear power amplifier; an equivalent amplifier model estimator; N pre-distorters; and a coefficient extractor for extracting the coefficients of the N pre-distorters.
    Type: Application
    Filed: June 18, 2010
    Publication date: August 8, 2013
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong Hoon Lee, Sung Ho Choi, Eui Rim Jeong
  • Patent number: 8472869
    Abstract: A method of performing relay communication in a next generation cellular communication system is disclosed. The next generation cellular communication system includes a base station and a plurality of terminals, and a communication target terminal which has not acquired a Line-Of-Sight (LOS) channel with the base station performs communication through the relay of a relaying terminal which has acquired a LOS channel. The base station determines the relaying terminal. The relaying terminal forms a relaying terminal group by determining one or more relaying assistant terminals. The communication target terminal forms a transmitting/receiving terminal group by determining one or more transmitting/receiving assistant terminals. The base station performs communication with the relaying terminal through the relaying terminal, relaying assistant terminals of the relaying terminal group and the transmitting/receiving assistant terminals of the transmitting/receiving terminal group.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: June 25, 2013
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Dong Ho Cho, Hee Jung Yu, Young Seok Oh, Ho Won Lee, Woong Sup Lee, Yong Hoon Lee
  • Publication number: 20130136501
    Abstract: A developing cartridge includes a photoconductive body, a charging unit which charges a surface of the photoconductive body and a developing unit which forms a toner image. The charging unit includes a shaft which applies a charging voltage and which has a central axis parallel to a rotating axis of the photoconductive body, a tubular member of a conductive material which surrounds the shaft, a current carrying member which applies an electric current to the shaft and the tubular member, and a damping member which is disposed between the shaft and the current carrying member. The shaft has a middle portion which is thicker than opposite end portions in a longitudinal direction along the central axis.
    Type: Application
    Filed: June 22, 2012
    Publication date: May 30, 2013
    Applicant: Samsung Electronics Co., Ltd
    Inventor: Yong-hoon LEE
  • Patent number: 8412104
    Abstract: Provided is a method and apparatus for controlling inter cell interference based on cooperation between intra cell terminals. The intra cell terminals may exchange interference channel information, and may determine a receive beamforming vector based on the exchanged interference channel information. At least one intra cell terminal may feed back, to a neighboring cell base station, information associated with an effective interference channel using the receive beamforming vector. A base station may determine a transmit beamforming vector based on information associated with an effective interference channel using receive beamforming vectors of neighboring cell terminals that are received from at least one neighboring cell terminal.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: April 2, 2013
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Scienec and Technology
    Inventors: Won Jae Shin, Cheul Soon Kim, Chang Yong Shin, Won Jong Noh, Hyun Ho Choi, Young Chul Sung, Yong Hoon Lee
  • Patent number: 8411611
    Abstract: A method of setting a packet transmission path in a wireless communication network and a network apparatus using the same are provided. A method of setting a packet transmission path includes setting N?1 routing regions including at least one node between a source node and a destination node based on a predetermined N number of hops, N denoting an integer greater than or equal to two, and determining a node in each of the routing regions as a relay node based on a channel gain.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: April 2, 2013
    Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology
    Inventors: Tae Soo Kwon, Young-Doo Kim, Eung Sun Kim, Yong Hoon Lee, Sae-Young Chung, Heejung Yu, Won-Yong Shin
  • Publication number: 20130072113
    Abstract: Provided is a method for power control in a two-way relay network. The power control method may maximize a minimum transmission rating and a synthesized transmission rating of the overall system when there are restrictions on the synthesized power of terminals and a repeater in the two-way relay network. The power control method may include determining a power ratio for allocating power to each terminal and a repeater for each subcarrier under restriction on synthesized power of the terminals and the repeater and determining power allocated for each subcarrier according to the determined power ratio.
    Type: Application
    Filed: March 18, 2011
    Publication date: March 21, 2013
    Applicant: KT CORPORATION
    Inventors: Yong-Hoon Lee, Yong-Up Jang, Eui-Rim Jeong
  • Patent number: 8396354
    Abstract: A display apparatus and method of displaying an image, and a video signal processor and method of converting an input video signal into a displayable format compatible with the display, including an reproducing apparatus reading out data stored on a medium, a playback part converting the data read by the optical disk drive into a video signal compatible with the video signal processor, an interface transmitting and receiving data to and from an external device, e.g., a computer, and a switching part selectively enabling the reproducing apparatus to communicate with either the drive playback part or the external device. With this configuration, embodiments of the present invention provide a display apparatus, computer system, and methods, using a display apparatus to play back a medium, e.g., a DVD having multimedia functionality, without having to boot the computer system.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: March 12, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-goo Kang, Yong-hoon Lee
  • Publication number: 20130029135
    Abstract: The present invention relates to an adhesive film for a touch panel, and to a touch panel. The adhesive film has superior heat resistance, optical characteristics, wettability, cuttability, anti-warpage characteristics and chemical resistance, and exhibits superior durability when applied to a touch panel.
    Type: Application
    Filed: April 5, 2011
    Publication date: January 31, 2013
    Applicant: LG HAUSYS, LTD.
    Inventors: Jang-Soon Kim, Min-Seok Song, Yong-Hoon Lee, Eok-Hyung Lee, Won-Gu Choi, Hak-Rhim Han
  • Publication number: 20130015909
    Abstract: The present invention relates to an adhesive composition for a touch panel, to an adhesive film, and to a touch panel. The adhesive composition according to the present invention provides an adhesive for a touch panel that has superior chemical resistance, superior durability under high-temperature or high-humidity conditions, and superior wettability or adhesion to a variety of adherends. In addition, the adhesive composition according to the present invention provides an adhesive which maintains superior resistant performance of a conductive layer and effectively prevents the corrosion of electrodes or the like when applied to a touch panel.
    Type: Application
    Filed: April 5, 2011
    Publication date: January 17, 2013
    Applicant: LG HAUSYS, LTD.
    Inventors: Jang-Soon Kim, Min-Seok Song, Eok-Hyung Lee, Hak-Rhim Han, Won-Gu Choi, Yong-Hoon Lee
  • Patent number: RE44092
    Abstract: An apparatus for adaptively modulating/demodulating signals in a multi-input multi-output (MIMO) system having a layered time-space architecture detector and a method thereof is disclosed. The apparatus includes: a bit and power allocation information calculator for deciding an equivalent channel gain in a reverse order of Vertical-Bell laboratories Space Time (V-BLAST) based on MIMO channel information feedbacked from a receiver and determining the number of bits and transmission power to be transmitted to each transmitting antenna by using the equivalent channel gain; and adaptive modulation means for modulating signal of each layer with corresponding modulation method based on the determined number of bits and transmitting power, controlling the transmitting power and transmitting the adaptively modulated signal through each transmitting antenna.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: March 19, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Young-Doo Kim, Inhyoung Kim, Heejung Yu, Jihoon Choi, Taehyun Jeon, Jae-Young Ahn, Yong-Hoon Lee
  • Patent number: RE44219
    Abstract: Disclosed is an adaptive receiving MIMO (multi input and multi output) system and method which decides a symbol detecting order so as to estimate the symbol having the minimum summation of weights of least square errors at the time of estimating the symbol for respective equalizers provided in parallel by the number of transmit antennas, and updates filter tap coefficients based on the RLS algorithm according to the detecting orders. Therefore, the filter tap coefficients are directly updated without tracking channels in the time-varying channel environment, and accordingly, detection performance very similar to those of the channel tracking and conventional V-BLAST scheme is provided with reduced complexity.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: May 14, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hee-Jung Yu, Ji-Hoon Choi, Yong-Hoon Lee
  • Patent number: RE44352
    Abstract: A method for adaptively allocating resource can be simply implemented for reducing degradation of performance by effectively separating operations of sub-channel and time slot allocation and selection of modulation method and sequentially processing each of operations. A method for adaptively allocating resource in a communication system to sequentially process sub-carrier/time slot allocation and modulation method selection efficiently includes the step of a) computing average channel gains of sub-carriers/time slots for each user by using channel gains of sub-carriers/time slots for each user; b) computing average numbers of bits for each user by using required data rates and average channel gains of sub-carriers/time slots for each user; c) computing the number of sub-carriers/time slots allocated to each user and allocating the sub-carriers/time slots to each user; and d) selecting a modulation method with respect to each sub-carrier/time slot.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: July 9, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Hoon Lee, Inhyoung Kim