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Kwak, Seoul

Bong Sik Kwak, Seoul KR

Patent application numberDescriptionPublished
20090016189RECORDING/REPRODUCING APPARATUS, METHOD OF REPRODUCING DATA, AND SERVO CONTROLLING METHOD - An apparatus for recording/reproducing data using holography technology and a method of reproducing data using the same are disclosed. The recording/reproducing apparatus includes an optical path adjuster which adjusts the path of light emitted from a light source and irradiates the light to a predetermined position of a recording medium, a light reflecting unit which reflects the light transmitting through the recording medium to the predetermined position of the recording medium, an image sensor which receives the reflected light and reproduces data included in the reflected light, and a light receiving unit receiving light, which is not transmitted through the recording medium and is diffracted from the recording medium, and generating a monitoring signal. Accordingly, it is possible to provide a simple optical system suitable for the recording/reproducing apparatus using the holography technology and an efficient method of reproducing data using the same.01-15-2009
20110138481RECORDING MEDIUM, AND RECORDING/REPRODUCING METHOD AND RECORDING/REPRODUCING APPARATUS FOR RECORDING MEDIUM - The present invention provides a recording/reproducing method for a recording medium including a data recording layer and a user information recording layer, wherein the recording/reproducing method includes the steps of: receiving inputted user information; determining whether the inputted user information matches the user information recorded on the user information recording layer of the recording medium; and recording data onto the data recording layer of the recording medium, or reproducing data of the data recording layer, in accordance with the result of the determination.06-09-2011

Patent applications by Bong Sik Kwak, Seoul KR

Byoung-Hoon Kwak, Seoul KR

Patent application numberDescriptionPublished
20090319919Apparatus and method for dynamically creating a community space in a virtual space - An apparatus and method for dynamically creating a community space in a virtual space. A request for a connection to a personal web space of another user to be visited by a user possessing a personal web space is made. When the connection request is identified, a new community space is generated by connecting the personal web spaces of the users to each other. Immediate interaction between the users is performed in the generated new community space.12-24-2009
20110276267LOCATION INFORMATION MANAGEMENT METHOD AND APPARATUS OF MOBILE TERMINAL - A method and apparatus for managing location information of a mobile terminal are provided. The method includes determining location information of a current position while in a Global Positioning System (GPS) reception mode, determining at least one of preference routes and interest sites within an interest area in a vicinity of the current position, and presenting at least one of the preference routes and the interest sites on a map. The present invention improves a user's convenience and a utilization efficiency of the location information of the mobile terminal.11-10-2011

Byung-Kuk Kwak, Seoul KR

Patent application numberDescriptionPublished
20100191151BIPOLAR ELECTRODE TYPE GUIDE WIRE AND CATHETER SYSTEM - Provided are a guide wire and a catheter system. The catheter system includes a hollow catheter inserted into a fistula of a living body, the catheter having two open ends and a coaxially-formed lumen; and a bipolar electrode type guide wire including a wire body formed of a metal and elongated to be inserted into the catheter in one direction, an insulating material coated on an outer periphery of the wire body to insulate the wire, a first electrode attached to one end of the wire body, a second electrode spaced a predetermined distance apart from the first electrode, a first lead elongated along the wire body to be attached to the first electrode to electrically connect a radio-frequency generator for generating radio-frequency current to the first electrode, and a second lead elongated along the wire body to be attached to the second electrode to electrically connect the radio-frequency generator to the second electrode, the second lead being electrically insulated from the first lead.07-29-2010

Chae Hwa Kwak, Seoul KR

Patent application numberDescriptionPublished
20120110543Application Store System for Supporting Development of Application Interoperated with Unified Device and Method for Managing Application Store - Provided are an application store system for supporting development of an application interoperated with a unified device and a method for managing an application store in the application store system. The application store system may include an authority application processing unit to process a developer's authority application for a multiprotocol adapter system; a software development kit (SDK) distributing unit to distribute a SDK for the multiprotocol adapter system; an application registering unit to receive an application developed using the SDK, and to register and store the application; an application list providing unit to provide a list of registered and stored applications; and an application providing unit to provide the user with an application selected from the list. The SDK may include an application development tool for controlling a plurality of different kinds of devices by controlling the multiprotocol adapter system interoperated with the plurality of different kinds of devices.05-03-2012

Chang Hoon Kwak, Seoul KR

Patent application numberDescriptionPublished
20100127290LIGHT EMITTING DIODE PACKAGE AND MANUFACTURING METHOD THEREOF - The present invention relates to a light emitting diode package and a manufacturing method thereof.05-27-2010
20100227424LIGHT EMITTING DIODE PACKAGE AND MANUFACTURING METHOD THEREOF - The present invention relates to a light emitting diode package and a manufacturing method thereof.09-09-2010
20100283382White light emitting device - A white light emitting device including: a blue light emitting diode (LED); a green silicate phosphor formed on the blue LED; and a red sulfide phosphor with a surface coated with a silicone oxide layer, the red sulfide phosphor formed on the blue LED.11-11-2010
20110031521COMPOSITE PHOSPHOR POWDER, LIGHT EMITTING DEVICE USING THE SAME AND METHOD FOR MANUFACTURING COMPOSITE PHOSHPOR POWDER - The invention provides a high quality composite phosphor powder which ensures diversity in emission spectrum, color reproduction index, color temperature and color, a light emitting device using the same and a method for manufacturing the composite phosphor powder. The composite phosphor powder comprises composite particles. Each of the composite particles includes at least two types of phosphor particles and a light transmitting binder. The phosphor particles have different emission spectrums. In addition, the light transmitting binder is formed between the phosphor particles and binds them together.02-10-2011
20110248299LIGHT EMITTING DIODE PACKAGE AND METHOD OF FABRICATING THE SAME - The present invention relates to a light emitting diode package and a method of fabricating the same capable of uniformly distributing a fluorescent substance in a molding member by including a light emitting diode chip on a package substrate and the molding member having a molding resin, a fluorescent substance and nano particles, which is arranged on the package substrate, with covering the light emitting diode chip.10-13-2011
20110260192LIGHT-EMITTING DIODE PACKAGE USING A LIQUID CRYSTAL POLYMER - A light emitting diode (LED) package using a liquid crystal polymer, includes: a package main body formed by using a liquid crystal polymer; a lead frame formed on the package main body; an LED chip mounted on the lead frame; and a resin packaging unit encapsulating the LED chip, the resin packaging unit including phosphors. The LED package is highly reliable.10-27-2011
20110266584WHITE LIGHT EMITTING DIODE WITH YELLOW, GREEN AND RED LIGHT EMITTING PHOSPHORS - Provided is a white light emitting diode (LED) including a blue LED chip; and yellow, green, and red light emitting phosphors that are coated on the blue LED chip at a predetermined mixing ratio and converts light, emitted from the blue LED chip, into white light.11-03-2011
20110303940LIGHT EMITTING DEVICE PACKAGE USING QUANTUM DOT, ILLUMINATION APPARATUS AND DISPLAY APPARATUS - There is provided a light emitting device package using a quantum dot, an illumination apparatus and a display apparatus. The light emitting device package includes a light emitting device; a sealing part disposed in a path of light emitted from the light emitting device and having a lens shape; and a wavelength conversion part sealed within the sealing part and including a quantum dot. The light emitting device package uses the quantum dot as the wavelength conversion part to thereby achieve superior color reproducibility and light emission efficiency, and facilitates the control of color coordinates by adjusting the particle size and concentration of the quantum dot.12-15-2011
20110309325LIGHT SOURCE MODULE USING QUANTUM DOTS, BACKLIGHT UNIT EMPLOYING THE LIGHT SOURCE MODULE, DISPLAY APPARATUS, AND ILLUMINATION APPARATUS - A light source module using quantum dots, a backlight unit employing the light source module, a display apparatus, and an illumination apparatus. The light source module includes a light emitting device package including a plurality of light emitting device chips, and a quantum dot sealing package disposed on the light emitting device package in a light emitting direction, and converts wavelengths of light emitted from the light emitting device chips to generate wavelength-converted light.12-22-2011
20120112229LIGHT EMITTING DEVICE PACKAGE AND METHOD OF MANUFACTURING THE SAME - A light emitting device package includes: first and second electrodes, at least a portion of a lower surface thereof being exposed; a light emitting device disposed on an upper surface of at least one of the first and second electrodes; a reflection wall disposed on the upper surface of the first and second electrodes and surrounding the light emitting device to form a mounting part therein; and a fluorescent film disposed on the reflection wall to cover an upper portion of the mounting part. The mounting part is filled with air.05-10-2012

Patent applications by Chang Hoon Kwak, Seoul KR

Chang-Hyun Kwak, Seoul KR

Patent application numberDescriptionPublished
20100017692METHOD AND APPARATUS FOR CYCLIC REDUNDANCY CHECK IN COMMUNICATION SYSTEM - A method for performing a Cyclic Redundancy Check (CRC) in a communication system is provided. An input message is divided into a predetermined number of segments. The CRC is performed on each segment to generate a CRC code of each segment. Polynomial addition is performed on CRC codes of respective segments to obtain a CRC code of the input message.01-21-2010
20110283169APPARATUS AND METHOD FOR RATE DEMATCHING IN A COMMUNICATION SYSTEM - An apparatus and method for rate dematching in a communication system are provided. The apparatus includes an input sequence generator, an error calculator, and a puncture/repetition determiner. The input sequence generator calculates if current input data among data, which are input in interleaved sequence, corresponds to any n11-17-2011

Patent applications by Chang-Hyun Kwak, Seoul KR

Choong-Yull Kwak, Seoul KR

Patent application numberDescriptionPublished
20100302353METHOD FOR DISPLAYING A THREE-DIMENSIONAL IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method for displaying a three-dimensional (“3D”) image, wherein the method includes; sequentially displaying a left frame image corresponding to a left eye and a right frame image corresponding to a right eye on a display panel, blocking a light provided to a display block of the display panel when the display block displays a mixed image which includes a left eye image of the left frame image corresponding to the left eye and a right eye image of the right frame image corresponding to the right eye, and providing the light to the display block of the display panel when the display block displays only one of the left eye image and the right eye image.12-02-2010
20110037920DISPLAY DEVICE - A display device including a display panel which displays images, an intermediate frame on which the display panel is seated, a lower receptacle which includes a first receiving portion including a bottom plate and sidewalls, and a second receiving portion separate from the first receiving portion, and a light source unit which includes an alignment plate and a point light source mounted on the alignment plate. The light source unit contacts the sidewalls of the lower receptacle, and the first receiving portion is coupled with the intermediate frame.02-17-2011
20110128287METHOD OF DISPLAYING STEREOSCOPIC IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of displaying a stereoscopic image includes providing light to a first display area of a display panel during a second sub frame of an (N−1)-th frame, the first display area displaying a first left eye image during a first sub frame of the (N−1)-th frame prior to the second sub frame of the (N−1)-th frame panel and providing the light to a second display area of the display panel during a first sub frame of an N-th frame, the second display area displaying a second left eye image during the second sub frame of the (N−1)-th frame prior to the first sub frame of the N-th frame, where N is positive integer.06-02-2011

Dae-Young Kwak, Seoul KR

Patent application numberDescriptionPublished
20110117721METHOD OF FORMING ISOLATION LAYER STRUCTURE AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE INCLUDING THE SAME - An isolation layer structure includes first to fourth oxide layer patterns. The first and third oxide layer patterns are sequentially formed in a first trench defined by a first recessed top surface of a substrate and sidewalls of gate structures on the substrate in a first region. The first trench has a first width, and the first and third oxide layer patterns have no void therein. The second and fourth oxide layer patterns are sequentially formed in a second trench defined by a second recessed top surface of the substrate and sidewalls of gate structures on the substrate in a second region. The second trench has a second width larger than the first width, and the fourth oxide layer pattern has a void therein.05-19-2011
20110298036ISOLATION LAYER STRUCTURE, METHOD OF FORMING THE SAME AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE INCLUDING THE SAME - An isolation layer structure includes first to fourth oxide layer patterns. The first and third oxide layer patterns are sequentially formed in a first trench defined by a first recessed top surface of a substrate and sidewalls of gate structures on the substrate in a first region. The first trench has a first width, and the first and third oxide layer patterns have no void therein. The second and fourth oxide layer patterns are sequentially formed in a second trench defined by a second recessed top surface of the substrate and sidewalls of gate structures on the substrate in a second region. The second trench has a second width larger than the first width, and the fourth oxide layer pattern has a void therein.12-08-2011

Dong-Jin Kwak, Seoul KR

Patent application numberDescriptionPublished
20110002466CLIENT APPARATUS FOR SUPPORTING MOBILITY AND SECURITY BETWEEN HETEROGENEOUS NETWORKS USING MOBIKE PROTOCOL - A client apparatus includes a wireless network access unit configured to access wireless networks, a packet analysis unit configured to analyze uplink and downlink data packets, a security tunnel processor configured to establish a mobile security tunnel and to maintain the established mobile security tunnel when handover is performed in heterogeneous networks, a wireless network controller configured to control a wireless network accessing process and a connection releasing process of the wireless network access unit, a mobile security tunnel controller configured to perform a MOBIKE protocol and to control a process of establishing and maintaining a mobile security tunnel of the security tunnel processor, and a wireless network connection manager configured to request the mobile security tunnel controller to perform a MOBIKE protocol by managing MOBIKE information and to control handover by setting up and managing a wireless network access policy.01-06-2011

Eun-Kyung Kwak, Seoul KR

Patent application numberDescriptionPublished
20080199149DIGITAL BROADCASTING RECEIVER FOR PROGRAMMING RECORDING OF BROADCASTING PROGRAM AND METHOD THEREOF - A digital broadcasting receiver, programming a recording a broadcast program, and a method thereof are disclosed. The digital broadcasting receiver can register a programmed channel including one or more channels, stores broadcast data received from the programmed channel as a programmed-recording program in accordance with a predetermined criterion, and stores a next programmed-recording program to replace the stored programmed-recording program if the programmed-recording program is completely stored and broadcast data corresponding to the next programmed-recording program is received. With the present invention, it becomes possible to program a recording although no information on a broadcast program is available, to view a currently-broadcast program from the beginning regardless of when the TV is turned on, and program a recording to exclude commercial programs.08-21-2008

Haengchul Kwak, Seoul KR

Patent application numberDescriptionPublished
20110096024MOBILE TERMINAL - A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal; a capacitance touch screen including an input touch layer configured to detect a touching of the touch screen, an output touch layer configured to output touch signals corresponding to the detected touching of the touch screen, a display layer configured to display information, and a proximity sensor layer disposed between the touch input layer and the touch output layer and configured to proximity detect a movement of a selection unit over the capacitance touch screen without the selection unit actually touching the capacitance touch screen; and a controller configured to calculate coordinates of a touch point where the capacitance touch screen was touched based on the output touch signals and to calculate coordinates of points along the detected movement of the selection unit based on the proximity detected movement by the proximity sensor layer.04-28-2011
20110304648MOBILE TERMINAL AND METHOD FOR OPERATING THE MOBILE TERMINAL - A mobile terminal and a method for operating the mobile terminal are provided. The method senses touch of the mobile terminal in a predetermined mode and senses movement of the mobile terminal upon determining that the mobile terminal has been gripped based on the touch and then changes the mode of the mobile terminal according to the predetermined mode and the movement of the mobile terminal. This method enhances user convenience since it is possible to change the mode of the mobile terminal through movement of the mobile terminal while the mobile terminal is gripped.12-15-2011

Hee Sun Kwak, Seoul KR

Patent application numberDescriptionPublished
20110006053OVEN HAVING LOESS LAYERS - Provided is an oven including loess layers. The oven includes: a main body portion having a cooking space therein; loess layers that are coated on inner walls of the main body portion and that comprise red clay and yellow mica, respectively; and heat generation rods that are disposed on at least one side of the cooking space so as to heat the cooking space.01-13-2011

Ho Seong Kwak, Seoul KR

Patent application numberDescriptionPublished
20100161115Robot and method of controlling balance thereof - An finite state machine (FSM)-based biped walking robot, to which a limit cycle is applied to balance the robot right and left on a two-dimensional space, and a method of controlling balance of the robot. In order to balance an FSM-based biped walking robot right and left on a two-dimensional space, control angles to balance the robot according to states of the FSM-based biped walking robot are set, and the control angles are controlled using a sinusoidal function to allow relations between the control angles and control angular velocities to form a stable closed loop within a limit cycle, thereby allowing the biped walking robot to balance itself while changing its supporting foot and thus to safely walk without falling down.06-24-2010
20100161116Robot and method of controlling balance thereof - A finite state machine (FSM)-based biped robot, to which a limit cycle is applied to balance the robot right and left on a two-dimensional space, and a method of controlling balance of the robot. In order to balance an FSM-based biped robot right and left on a two-dimensional space, control angles to balance the robot according to states of the FSM-based biped robot are set. The range of the control angles is restricted to reduce the maximum right and left moving distance of the biped robot and thus to reduce the maximum right and left moving velocity of the biped robot, thereby reducing the sum total of the moments of the biped robot and thus allowing the ankles of the biped robot to balance the biped robot to be controlled, and causing the soles of the feet of the biped robot to parallel contact the ground.06-24-2010
20100161117Robot and method of controlling the same - Disclosed is a method of defining control angles to use a limit cycle in order to balance a biped walking robot on a three-dimensional space. In order to balance an FSM-based biped walking robot right and left on a three-dimensional space, limit cycle control angles to balance the robot according to states of the FSM-based robot are set on the three-dimensional space, and the limit cycle control angles on the three-dimensional space are controlled using a sinusoidal function to allow relations between the control angles and control angular velocities to form a stable closed loop within a limit cycle.06-24-2010
20100161118Robot and method of controlling the same - Disclosed is a method of generating a hip trajectory of a biped walking robot to allow the robot to stably walk on a two-dimensional space without falling down. An angular velocity of a hip of a swinging leg is obtained by measuring the angle/angular velocity of an ankle pitch joint part of a supporting leg in real time when the robot walks on the two-dimensional space, and desired trajectories of the ankle and the hip are generated based on the angular velocity of the ankle of the supporting leg and the angular velocity of the hip of the swinging leg.06-24-2010
20110040410APPARATUS AND METHOD CONTROLLING LEGGED MOBILE ROBOT - Disclosed is an apparatus and method adjusting motion of each joint of a robot to compensate for friction force of each joint such that the sole of the foot of the robot clings to the ground. The motion of each joint is adjusted as if gravity acts on each joint of the robot in a direction opposite to gravity and the robot is held in an erect state. Therefore, the robot can stand while keeping its balance without falling.02-17-2011
20110172824WALKING ROBOT AND METHOD OF CONTROLLING THE SAME - Disclosed herein are an apparatus and method for controlling stable walking of a robot based on torque. In a method of enabling stable walking by controlling torque of a hip joint portion using a Finite State Machine (FSM) without solving a complicated dynamic equation, torque of a stance leg is finally calculated using pose control torque of an upper body, pose control torque of a swing leg, and initial pose control torque of a stance leg supporting the upper body. Accordingly, the robot may stably walk with torque balance. Since gravity compensation torque is applied, a torso of the robot is not inclined and the pose of the robot is stably maintained.07-14-2011
20110178639HUMANOID ROBOT AND WALKING CONTROL METHOD THEREOF - A humanoid robot that achieves stable walking based on servo control of a joint torque and a walking control method thereof. The humanoid robot calculates a joint position trajectory compensation value and a joint torque compensation value using a measurement value of a sensor, compensates for a joint position trajectory and a joint torque using the calculated compensation value, and drives a motor mounted to each joint according to the compensated joint torque.07-21-2011
20120046789WALKING ROBOT AND CONTROL METHOD THEREOF - A torque-based walking robot and a control method thereof which stably controls walking of the robot. In the control method, in which high rigidity, equal to that achieved through a position-based control method, is achieved using a torque-based control method without switching between the position-based control method and the torque-based control method while the robot is in motion, a difference between a target torque and a measured torque is forcibly generated by limiting a torque range measurable by each torque sensor, thereby increasing voltage applied to each actuator, and thus achieving high rigidity, equal to that achieved through the position-based control method, using the torque-based control method without switching between the position-based control method and the torque-based control method.02-23-2012
20120083922WALKING ROBOT AND CONTROL METHOD THEREOF - A walking robot and a control method in which conversion between walking servo control methods is stably carried out. The walking robot includes a sensor unit to measure angles and torques of joints, and a control unit to calculate voltages applied in a Finite State Machine (FSM) control mode and a Zero Moment Point (ZMP) control mode according to the angles and torques of the joints to drive respective joint motors, to store last target joint angles in the FSM control mode during conversion from the FSM control mode to the ZMP control mode, and to perform a motion based on the FSM control mode by substituting the last target joint angles in the FSM control mode for target joint angles in the FSM control mode during conversion from the ZMP control mode to the FSM control mode, thereby performing stable conversion between walking servo control modes without joint sagging.04-05-2012

Patent applications by Ho Seong Kwak, Seoul KR

Hyun Hee Kwak, Seoul KR

Patent application numberDescriptionPublished
20100129459 BIODEGRADABLE MICROSPHERE COMPOSITION SUITABLE FOR THE CONTROLLED RELEASE OF GLUCOSE CONTROLLING PEPTIDE AND FORMULATION THEREOF - Disclosed are biodegradable microspheres, capable of releasing a glucose-regulating peptide in a controlled manner, comprising a biodegradable polymer carrier with the glucose-regulating peptide encapsulated therein, and methods for the preparation thereof. In addition to ensuring high encapsulation efficiency and high stability of the encapsulated drug, the microspheres shows neither an initial burst effect nor incomplete release and allows the zero-order release of drugs over a prolonged period of time, thus improving the therapeutic effect of the drug.05-27-2010

Hyun Joon Kwak, Seoul KR

Patent application numberDescriptionPublished
20090088200DUAL MODE MOBILE TERMINAL AND DATA CALL PROCESSING METHOD THEREOF - An improved dual mode mobile terminal and data call processing method of the dual mode mobile terminal is provided for enabling a modem chip that is not associated or embedded with an application to process a data call. A data call processing method for a dual mode mobile terminal includes a first control unit associated with an application and a first data protocol stack, a second control unit associated with a second data protocol stack, and an input unit for receiving an input for selecting one of the first and second control units to process a data call, wherein when the second control unit is selected through the input unit, the second control unit opens a socket to couple the second data protocol stack to the application and processes the data call using the application and the second data protocol stack that are coupled with each other via the socket.04-02-2009

Il Young Kwak, Seoul KR

Patent application numberDescriptionPublished
20110002911METHOD FOR FERMENTING NATURAL MATERIALS WITH SALT AND FERMENTED EXTRACTS PREPARED THEREFROM - The present invention relates to a method for fermenting natural products with salt and fermented extracts prepared thereby. The method comprises: adding a predetermined amount of salt to at least one of natural products, including medicinal herbs and cereals; naturally fermenting the salted material; and extracting the fermented salted material with a solvent. Accordingly, the method can prevent the growth of various bacteria, including putrefactive bacteria, 01-06-2011

Jaedo Kwak, Seoul KR

Patent application numberDescriptionPublished
20100064259CONTROLLING METHOD OF THREE-DIMENSIONAL USER INTERFACE SWITCHOVER AND MOBILE TERMINAL USING THE SAME - The exemplary embodiment relates to a method of controlling a three-dimensional user interface, which controls a three-dimensional user interface to follow a user's motion, and a mobile terminal using the same. The method comprising: displaying a plurality of three-dimensional menu icons; sensing movement of a user; and rotating at least one of the plurality of three-dimensional menu icons according to the sensed movement such that at least one reference face of the at least one of the plurality of three-dimensional menu icons follows the user's movement.03-11-2010
20110009172MOBILE TERMINAL WITH MULTIPLE BATTERIES - Embodiments of the present invention are related to a mobile terminal, the mobile terminal including: first and second batteries for supplying driving power to parts of the mobile terminal; a display for displaying an operational state of the mobile terminal to a user; and a controller for notifying the user of charged levels of the first and second batteries.01-13-2011

Patent applications by Jaedo Kwak, Seoul KR

Jae-Young Kwak, Seoul KR

Patent application numberDescriptionPublished
20080205569UWB Receiver scaling clock frequency by data rate and data reception method thereof - A method for demodulating an ultra-wide band (UWB) signal includes detecting a detecting a data rate of the UWB signal, selecting one from plurality of clock signals in response to the detected data rate, decoding the UWB signal in accordance with the selected clock signal, and outputting transmission data determined by a fast clock. The plurality of clock signals includes at least one frequency different from other frequencies. A receiver for an UWB signal includes an OFDM demodulating unit demodulating the UWB signal into an OFDM symbol, and a bit-level processing unit demodulating the OFDM symbol into bit-level data. The bit-level processing unit receives a scaled clock signal having a frequency corresponding to one of a plurality of data rates of the UWB signal. The method and apparatus may reduce static power consumption and improve performance of the receiver.08-28-2008
20110161789CYCLIC REDUNDANCY CHECK CIRCUIT AND COMMUNICATION SYSTEM HAVING THE SAME FOR MULTI-CHANNEL COMMUNICATION - A method of implementing and manufacturing a cyclic redundancy check circuit for a multi-channel communication system. The method includes creating a generation expression that generates cyclic redundancy check (CRC) bits that satisfies a cyclic redundancy check polynomial of a mono-channel serial communication system with respect to a first point in time, creating a generation expression with respect to points in time that are sequentially delayed as much as the number of multi-channels from the first point in time by applying each point in time to the generation expression, and embodying a circuit corresponding to the generation expression with respect to the most delayed point in time among the created generation expressions. The CRC circuit corresponding to the generation expression will have more modulo-2 adders (e.g., XOR gates) than the number of non-zero coefficients in the selected CRC polynomial.06-30-2011

Patent applications by Jae-Young Kwak, Seoul KR

Jea-Do Kwak, Seoul KR

Patent application numberDescriptionPublished
20090254351MOBILE TERMINAL AND MENU CONTROL METHOD THEREOF - A mobile terminal including an input unit configured to receive an input to activate a voice recognition function on the mobile terminal, a memory configured to store information related to operations performed on the mobile terminal, and a controller configured to activate the voice recognition function upon receiving the input to activate the voice recognition function, to determine a meaning of an input voice instruction based on at least one prior operation performed on the mobile terminal and a language included in the voice instruction, and to provide operations related to the determined meaning of the input voice instruction based on the at least one prior operation performed on the mobile terminal and the language included in the voice instruction and based on a probability that the determined meaning of the input voice instruction matches the information related to the operations of the mobile terminal.10-08-2009

Jeong-Hun Kwak, Seoul KR

Patent application numberDescriptionPublished
20100006830Organic semiconductor compound based on 2,7-bis-(vinyl)[1]benzothieno[3,2-b]benzothiophene, organic semiconductor thin film and transistor using the same and methods of forming the same - An organic semiconductor compound based on a 2,7-bis-(vinyl)[1]benzothieno[3,2-b]benzothiophene backbone, an organic semiconductor thin film, an organic thin film transistor and methods of forming the same are provided, the organic semiconductor compound including a vinyl group derived from a phosphonate derivative represented by Formula 1 and an aldehyde derivative represented by Formula 2 below:01-14-2010
20100181900CARBAZOLE COMPOUNDS AND ORGANO-ELECTROLUMINESCENT DEVICES USING THE SAME - A carbazole compound represented by Formula 1:07-22-2010
20110284819QUANTUM DOT LIGHT EMITTING ELEMENT AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a quantum dot light emitting element which can form a quantum light emitting layer configured of charge transporting particles and quantum dots and a charge transporting layer in a solution process, to reduce process expense, and a method for manufacturing the same. The quantum dot light emitting element includes a substrate, an anode formed on the substrate, a quantum light emitting layer formed on the anode, the quantum light emitting layer having charge transporting particles and quantum dots mixed therein, and a cathode formed on the quantum light emitting layer.11-24-2011
20110291071QUANTUM DOT LIGHT EMITTING DIODE DEVICE AND DISPLAY DEVICE THEREWITH - The present invention relates to a quantum dot light emitting diode device in which a hole transportation layer is formed after forming a quantum dot light emitting layer by a solution process by applying an inverted type quantum dot light emitting diode device for making free selection of a hole transportation layer material that enables easy injection of a hole to the quantum dot light emitting layer; and display device and method therewith.12-01-2011

Jeong-Soo Kwak, Seoul KR

Patent application numberDescriptionPublished
20120060085METHOD AND EQUIPMENT OF ASP SERVICE FOR MULTI-RESOLUTION IMAGE ON THE ENVIRONMENT OF MULTI-SERVER - A method and apparatus are provided in which an Application Service Provider (“ASP”) generates a multi-resolution image on a multi-web server to provide the total process to manufacture the multi-resolution image, up-load to the image to the server, as well as to put it into web in one service. The process can be embodied to link an ASP Service Developer server, an ASP Service Operator server, and a Multi-Web Server. The desired functions can be performed by the client that needs the image. Therefore, all of the process from image manufacturing to start business through web can be realized easily and with low cost.03-08-2012

Ji Hyun Kwak, Seoul KR

Patent application numberDescriptionPublished
20110020180Batch Chemical Analyzer - A batch chemical analyzer is disclosed, the analyzer including a reaction tank (01-27-2011

Jin-Young Kwak, Seoul KR

Patent application numberDescriptionPublished
20120047236METHOD AND APPARATUS FOR FILE TRANSFER - A file transfer method is provided. The file transfer method includes receiving, by a web server, connection information from a router; transferring, by the web server, connection information received from the router to the electronic device according to a mapping table in response to a connection information request signal output from an electronic device; transferring, by the electronic device, a connection request signal to the router by using the connection information; determining, by the router, if the connection information is valid according to the connection request signal; transferring, by the electronic device, a file transfer request signal, which requests a transfer of at least one of files stored in an external storage device connected to the router, to the router when the router and the electronic device are connected to each other; and fetching, by the router, one of files stored in the external storage device in response to the file transfer request signal and transferring it to the electronic device.02-23-2012

Jong-Ho Kwak, Seoul KR

Patent application numberDescriptionPublished
20120043474LASER PROCESSING METHOD AND LASER PROCESSING APPARATUS - The present disclosure relates to laser processing and a laser processing apparatus for processing materials using laser. Processing performed after loading a wafer on a work stage and a laser processing apparatus for implementing such processing, among others, are disclosed. The laser processing includes loading a wafer on a work stage; determining the number of chips formed on the wafer loaded on the work stage, performing chip defect inspection and aligning the wafer while moving the work stage; measuring a height of a surface of the wafer loaded on the work stage using a displacement sensor; monitoring output power of a processing laser using a power meter; and shifting the work stage while irradiating a laser beam on the wafer to process the wafer.02-23-2012

Jongwoon Kwak, Seoul KR

Patent application numberDescriptionPublished
20080211742PLASMA DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - There is provided a plasma display apparatus comprising a plasma display panel and a driver. The plasma display panel includes a first electrode and a second electrode. The driver alternately supplies a first sustain signal and a second sustain signal to the first electrode and the second electrode in a first subfield and supplies a third sustain signal and a fourth sustain signal that swing a positive polar voltage and a negative polar voltage in a second subfield to the first electrode and the second electrode.09-04-2008

Joong Hwan Kwak, Seoul KR

Patent application numberDescriptionPublished
20100012173INTEGRATED THIN-FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided are an integrated thin-film solar cell and a method of manufacturing the same. The method comprises forming and patterning a conductive material to be adjacently spaced a predetermined distance apart from each other on a substrate; forming a solar cell (semiconductor) layer on the resultant substrate; obliquely depositing a first transparent conductive material on the solar cell layer; etching the solar cell layer using the first transparent conductive material as a mask; and obliquely depositing a second transparent conductive material on the resultant substrate, and electrically connecting the conductive material with the first transparent conductive material.01-21-2010
20100018574INTEGRATED THIN-FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided are an integrated thin-film solar cell and a method of manufacturing the same. The method comprises forming and patterning a conductive material to be adjacently spaced a predetermined distance apart from each other on a substrate; forming a solar cell (semiconductor) layer on the resultant substrate; obliquely depositing a first transparent conductive material on the solar cell layer; etching the solar cell layer using the first transparent conductive material as a mask; and obliquely depositing a second transparent conductive material on the resultant substrate, and electrically connecting the conductive material with the first transparent conductive material.01-28-2010

Jung Hun Kwak, Seoul KR

Patent application numberDescriptionPublished
20100086167EARPHONE HAVING UNDER HANGER - An earphone having an under hanger reduces movement of the earphone from vibrations that occur while a user is typically in motion. The earphone preferably includes: a housing for housing a speaker therein; a protector installed in a front surface of the housing and having a mesh for delivering a sound from the speaker; and an under hanger provided at a lower part of the housing to closely contact along a lower part of the rear side of an earflap of a user. The provision of an under hanger in a lower part of the earphone prevents from being easily separated from a user's ear. Further, by providing an under hanger made of a soft material, as the earphone closely contacts with the user's ear, a sound quality is improved and a wearing feeling of the earphone is improved.04-08-2010

Jung-Pil Kwak, Seoul KR

Patent application numberDescriptionPublished
20100149539APPARATUS FOR SENSING PRECIPITATION DENSITY OF SLUDGE IN WASTE WATER TREATMENT TANK AND METHOD THEREFOR - The present invention relates to an apparatus for sensing precipitation density of sludge in a wastewater treatment tank, more particularly to an apparatus and method for precisely taking density of sludge precipitated in a wastewater treatment tank without being contaminated by sludge. The present invention of an apparatus for sensing precipitation density of sludge in a waste water treatment tank comprises a container which is tube-shaped with a bottom thereof open and submerged in wastewater as filled with gas therein; and a sensor which is installed in the space in the container, and senses sludge density as not directly contacting with wastewater.06-17-2010

Kyung Gook Kwak, Seoul KR

Patent application numberDescriptionPublished
20120120358Liquid Crystal Display Device and Method of Manufacturing the Same - A liquid crystal display device and a method of manufacturing the same. The liquid crystal display device includes a plurality of pixel cells on a substrate and a common voltage line. The common voltage line provides a common voltage to the pixel cells, and includes first to third s interconnection patterns which are sequentially stacked over the substrate. Each of the pixel cells includes a storage capacitor which includes a lower electrode, and an upper electrode over the lower electrode. The second interconnection pattern includes the same material as a material of the upper electrode, and is formed in the same process as a process of the upper electrode.05-17-2012

Min-Kon Kwak, Seoul KR

Patent application numberDescriptionPublished
20090046636ROUTING APPRATUS AND SESSION CONTROL METHOD IN WIRELESS COMMUNICATION SYSTEM - Provided are a routing apparatus and session control method. The routing apparatus includes: a first processor for performing session control of portable subscriber stations (PSSs); and a second processor for independently performing at least one additional function separated from session control.02-19-2009
20090262746ROUTER AND ROUTING METHOD FOR PORTABLE INTERNET SERVICE - The present invention relates to a router (for example, ACR) which provides a mobility function and a delivery function with a portable Internet core network while controlling RAS, which is a base station, as a basis network element of an access network in a portable Internet (for example, WiBro) service, and particularly, provides a new paging algorithm in order to overcome the limit of a paging in a conventional routing scheme, and to effectively process the buffering function for seamless connection maintenance and the paging function for a destination terminal with respect to the terminated call of a terminal in a non-active mode. A router of the present invention includes a control plane that buffers a data packet for a non-active mode, and performs a paging for a corresponding non-active mode terminal.10-22-2009

Mi Young Kwak, Seoul KR

Patent application numberDescriptionPublished
20080206596Red phosphors with High Luminus Efficiency and Display Device Containing Them - The present invention relates to a novel red organic electrophosphorescent compound and a display device comprising the same. The phosphor compounds according to the present invention provide red phosphor compounds exhibiting more pure red color than conventional red phosphors and red phosphors having a light emitting property of high efficiency even in a low doping concentration, as well as the property of pure red color mentioned above.08-28-2008
20090108733Precursors of Organometallic Compounds for Electroluminescent Materials - The present invention relates to a precursor of metallic complex for electroluminescent material, a luminescent material comprised of said precursor of metallic complex and metal, and an electroluminescent device containing a luminescent material comprised of said precursor and metal. The luminescent material comprised of the precursor according to the present invention and metal is advantageous in that it shows excellent electric conductivity and light emitting property of high efficiency.04-30-2009
20110042655AROMATIC ELECTROLUMINESCENT COMPOUNDS WITH HIGH EFFICIENCY AND ELECTROLUMINESCENT DEVICE USING THE SAME - The present invention relates to an organic electroluminescent compound including a fusion ring and an organic elecotroluminescent including the same. The organic electroluminescent according to the present invention has an advantage of exhibiting an EL properties superior to existing electroluminescent materials as it has a good thin film stability due to a low crystallization and a satisfactory color purity.02-24-2011
20110054228BLUE ELECTROLUMINESCENT COMPOUNDS WITH HIGH EFFICIENCY AND DISPLAY DEVICE USING THE SAME - The present invention relates to novel organic electroluminescent compounds and display devices comprising the same. The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency and excellent life property, so that an OLED device having very good operation life can be prepared therefrom.03-03-2011
20110109223ORGANIC ELECTROLUMINESCENT COMPOUNDS WITH HIGH EFFICIENCY AND DISPLAY DEVICE USING THE SAME - The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the organic electroluminescent compound. The organic electroluminescent compound of the present invention is characterized by upgraded excellent EL property compared with the conventional host materials.05-12-2011

Patent applications by Mi Young Kwak, Seoul KR

Moon-Kyu Kwak, Seoul KR

Patent application numberDescriptionPublished
20090145317METHOD OF FABRICATING IMAGE FORMING ELEMENT USING IMPRINTING PROCESS, IMAGE FORMING ELEMENT FABRICATED BY THE METHOD, AND IMPRINTING SYSTEM - A method of fabricating an image forming element includes preparing an image drum, transferring conductive ink as a pre-form of a plurality of ring electrodes on an outer circumference of the image drum using an imprinting process, solidifying the conductive ink on the outer circumference of the image drum to form the plurality of ring electrodes, and forming an outer insulating layer on the outer circumference of the image drum having the plurality of ring electrodes.06-11-2009

Myoung Hoon Kwak, Seoul KR

Patent application numberDescriptionPublished
20110079499DOME SHEET STRUCTURE INCLUDING LIGHT GUIDE FILM AND MOBILE COMMUNICATION TERMINAL INCLUDING THE DOME SHEET STRUCTURE - A dome sheet structure of a mobile communication terminal may include: a metal dome covering a contact point printed on a printed circuit board; and a light guide film disposed on the metal dome. The light guide film may be bonded with the metal dome in a bonding area, and the bonding area may be an area between two concentric circles having different diameters and centered at a center of the metal dome.04-07-2011
20120026112IMAGE DISPLAY APPARATUS AND METHOD THEREOF - Provided are a stereographic image display apparatus and a manufacturing method thereof. The stereographic image display apparatus includes an image display unit and a touch sensing unit which is positioned on the image display unit and is configured to interpose a lens array between a first transparent electrode layer and a second transparent electrode layer. The manufacturing method of the stereographic image display apparatus includes: allowing a transparent conductive material to be deposited on both surfaces of a lens array; forming first and second transparent electrode layers by etching the transparent conductive material deposited on the both surfaces of the lens array thereby generating a touch sensing unit; and adhering the touch sensing unit to an upper surface of an image display unit.02-02-2012
20120026159ACTIVE TYPE DISPLAY APPARATUS AND DRIVING METHOD FOR PROVIDING STEREOGRAPHIC IMAGE - An active-type stereographic image display apparatus includes an image display unit; a touch sensing unit to sense a touch position through a first transparent electrode layer and a second transparent electrode layer that are arranged to cross with each other, and to separate an image output from the image display unit through a lens array into a first eye image and a second eye image based on a refractive index of light; and a lens driving control unit to control a focal length by controlling the lens array. The method for driving the active-type stereographic image includes displaying a stereographic image comprising a first eye image and a separate second eye image, sensing a touch position of a user input, separating an image output into a first eye image and a second eye image, and controlling a focal length provided by a lens array.02-02-2012

No-Jun Kwak, Seoul KR

Patent application numberDescriptionPublished
20080207211Method and apparatus for indicating preferred layer information in multimedia broadcast/multicast service (MBMS) - A method is disclosed for transferring preferred frequency information in a mobile communication system which establishes a preferred frequency layer and a non-preferred frequency layer for a Multimedia Broadcast/Multicast Service (MBMS) service. The method involves the steps of determining at least one preferred frequency of the MBMS service when a session of the MBMS service starts, generating the preferred frequency information representing said at least one preferred frequency, and transmitting the preferred frequency information to at least one serving radio network controller for managing communication of user equipments intended to receive the MBMS service.08-28-2008
20090154408METHOD AND APPARATUS FOR TRANSMITTING SIP DATA OF IDLE MODE UE IN A MOBILE COMMUNICATION SYSTEM - A method and apparatus are provided for transmitting a Session Initiation Protocol (SIP) message by a User Equipment (UE) in an idle mode in an Internet Protocol Multimedia Subsystem (IMS) system. The UE transmits one combined message of an AS control message and a NAS control message including information indicating transmission of an SIP message, thereby having an effect on an upper node to reduce a delay due to message processing.06-18-2009
20090168729Method for controlling data transmission - A method for controlling data transmission comprising following steps of: obtaining transmission delays and time differences between a RNC and respective base stations by the RNC; configuring cells and a common channel for data transmitting by the RNC; controlling a start time of data transmission of each cells by the RNC; informing a UE of a frame offset and a chip offset of the common channel through an interface Uu by the RNC; and receiving configuration parameters of the common channel transmitted from the RNC by the UE. In the present invention, merging of signals transmitted from different cells via the common channel has been achieved so that the quality of signals received by the UE has been improved and the throughput of the system has been enlarged.07-02-2009
20100074216METHOD OF MANAGING RADIO RESOURCES AND NODE B APPARATUS IMPLEMENTING THE SAME - A method of managing radio resources and a Node B implementing the same are provided. If the total radio resources used in a cell exceed target radio resources signaled by an RNC, uplink rates are equally allocated to primary UEs and non-primary UEs by controlling the signal strengths of the primary and non-primary UEs.03-25-2010
20100220717Method and apparatus for controlling rate of voice service in a mobile communication system supporting voice service via packet network - A method for controlling a rate of a voice service in a mobile communication system supporting the voice service via a packet network. The method includes the steps of receiving a control message at a terminal from a radio network controller (RNC); if the control message indicates control of a downlink rate, determining a downlink rate according to the control message; setting a Change Mode Request (CMR) field of an uplink Voice over Internet Protocol (VoIP) packet according to the downlink rate, and transmitting the uplink VoIP packet from the terminal to the RNC; if the received control message indicates control of an uplink rate, determining an uplink rate according to the control message; and generating an uplink VoIP packet including uplink voice data generated according to the determined uplink rate and frame type (FT) information indicating the determined uplink rate, and transmitting the uplink VoIP packet from the terminal to the RNC.09-02-2010
20110188433METHOD OF MANAGING RADIO RESOURCES AND NODE B APPARATUS IMPLEMENTING THE SAME - A method of managing radio resources and a Node B implementing the same are provided. If the total radio resources used in a cell exceed target radio resources signaled by an RNC, uplink rates are equally allocated to primary UEs and non-primary UEs by controlling the signal strengths of the primary and non-primary UEs.08-04-2011

Patent applications by No-Jun Kwak, Seoul KR

No-Kwan Kwak, Seoul KR

Patent application numberDescriptionPublished
20080250132SYSTEM FOR CONTROLLING AND MANAGING NETWORK APPARATUS AND METHOD THEREOF - Disclosed is a network device control and managing system and method. The network device control and managing system receives network device information and subscriber information from a database server of the network device control and managing system according to the manager's client information request and realizes hierarchical combined information. The system requests state information from the network device based on the state information request of the network device and receives the state information. The system requests a control from the network device based on the network device control request, receives a corresponding response message, and changes combined information. Therefore, the device states can be easily searched in the hierarchical manner (L3-L2-AP), and the problems of network devices can be quickly sensed. Also, software for the network devices is remotely updated, and the subscriber's after sales service request is remotely processed.10-09-2008

No Woong Kwak, Seoul KR

Patent application numberDescriptionPublished
20080316474Optical Apparatus and an Observation Apparatus Having the Same For Observing Micro Particles - Disclosed is an optical device for illuminating a chip having a sample provided thereto with a beam in an apparatus for observing the sample. The optical device comprises a light source; and a first reflector reflecting the beam of the light source to allow the reflected beam to be incident on the chip at an inclined angle. In addition, the invention provides an apparatus for observing micro particles having the optical device. When the light of the light source is incident on the sample at an incline angle according to the optical device of the invention, it is possible to maximize a transmittancy of the light. Accordingly, the light emitted from the sample is clearer and a clear image can be thus obtained.12-25-2008

Pan Suk Kwak, Seoul KR

Patent application numberDescriptionPublished
20100172177MEMORY DEVICE HAVING SUB-BIT LINES AND MEMORY SYSTEM - A memory device includes; a memory cell array including a memory cell connected to a bit line, a page buffer unit receiving data from the memory cell via the bit line, and a contact unit providing an electrical path through which the data is communicated from the memory cell array to the page buffer unit, wherein the contact unit comprises a sub-bit line configured to connect the bit line via a first contact with the page buffer unit via a second contact.07-08-2010

Sang Hun Kwak, Seoul KR

Patent application numberDescriptionPublished
20090161494Modeling Method for Evaluating Unit Delay Time of Inverter and Apparatus Thereof - A modeling method for evaluating a unit delay time of an inverter and an apparatus thereof are disclosed. The present modeling method includes deriving a model for a plurality of inverters, including a channel length, a channel width and a gate electrode resistance as variables in the model; measuring a delay time by inputting variations in the variables; and determining a unit delay time for one inverter by dividing the delay time by the number of inverters.06-25-2009
20100161262Method for Calculating Capacitance of High Voltage Depletion Capacitor - A method for calculating a capacitance of a high voltage depletion capacitor is disclosed. The method includes measuring capacitance values of a high voltage depletion capacitor according to an applied voltage, storing measured capacitance values in a data storage device, setting a polynomial-type mathematical model including a plurality of parameters based on the measured capacitance values, calculating parameter coefficients using the measured capacitance values and the polynomial-type mathematical model, and calculating the capacitance of the high voltage depletion capacitor using the polynomial-type mathematical model and the calculated parameter coefficients.06-24-2010

Patent applications by Sang Hun Kwak, Seoul KR

Sanghyup Kwak, Seoul KR

Patent application numberDescriptionPublished
20100123498Phase locked loop circuit, method of operating phase locked loop circuit and semiconductor memory device including phase locked loop circuit - A phase locked loop circuit includes a delay compensation circuit and a phase change circuit. The delay compensation circuit is adapted to generate a delay clock signal by delaying a phase of a first output clock signal by a second phase, the phase of the first output clock signal having a phase leading a phase of an input clock signal by a first phase, and the second phase corresponding to a delay compensation time greater than a period of the input clock signal and greater than the first phase. The phase change circuit is adapted to change the second phase to the first phase and to generate a feedback clock signal having a phase synchronized with the phase of the input clock signal in response to the first phase, wherein the first phase is a phase corresponding to a remainder time resulting from the delay compensation time being divided by the period of the input clock, and wherein the quotient is an integer.05-20-2010
20100207673ASYMMETRIC CHARGE PUMP AND PHASE LOCKED LOOPS HAVING THE SAME - A charge pump includes a current source configured to generate a first current and a switch circuit including an output node and connected to the current source. The switch circuit is configured to be switched to provide one of the first current to the output node or discharge a second current from the output node according to a phase difference between a reference signal and a feedback signal. The switch circuit is further configured to compare a charge supplied to the output node and a charge discharged from the output node and to adjust an inflow time of the first current to the output node or an outflow time of the second current from the output node according to the comparison result.08-19-2010

Sang-Hyup Kwak, Seoul KR

Patent application numberDescriptionPublished
20100045491INPUT/OUTPUT (IO) INTERFACE AND METHOD OF TRANSMITTING IO DATA - An input/output (IO) interface includes a data encoder which encodes each of a plurality of pieces of parallel data having different timings and generates a plurality of pieces of encoded data, and an alternating current (AC) coupling transmission unit which transmits the plurality of encoded data in an AC coupling method. The data encoder compares first parallel data with second parallel data from among the plurality of pieces of parallel data on a bit-by-bit basis and obtains the number of bits whose logic states have transited between the first parallel data and the second parallel data. When the number of bits whose logic states have transited is greater than or equal to a reference number of bits, the data encoder inverts bit values of the second parallel data to generate the encoded data. When the number of bits whose logic states have transited is less than the reference number of bits, the data encoder maintains the bit values of the second parallel data to generate the encoded data.02-25-2010
20100141311Phase-Locked Loop and Bias Generator - A phase-locked loop (PLL) having a bias generator capable of reducing noise is provided. In the PLL, a voltage controlled oscillator is driven using a regulator. The bias generator, which applies a bias voltage to the regulator, is configured to have opposite power noise characteristics to the power noise characteristics of the regulator, such that the occurrence of jitter in the PLL is reduced.06-10-2010
20100259310DATA TRANSFER CIRCUIT AND METHOD WITH COMPENSATED CLOCK JITTER - A data I/O interface for an integrated circuit device includes a noise detector receiving a power supply voltage, detecting a power supply voltage noise component, and providing a clock delay control signal in response to detected power supply voltage noise component. The data I/O interface also includes a clock delay circuit providing a delayed clock signal in response to the clock delay control signal, and a data transfer circuit powered by the power supply voltage and providing output data synchronously with the delayed clock signal.10-14-2010
20100271887SEMICONDUCTOR MEMORY DEVICE COMPRISING VARIABLE DELAY UNIT - A semiconductor memory device comprises a variable delay unit and a data trainer. The variable delay unit is configured to generate a write data signal by delaying a write data driving signal by different amounts of time depending on whether the semiconductor memory device is in a data training mode or a normal operating mode, and further configured to generate a read data driving signal by delaying a read data signal by different amounts of time in the data training mode and the normal operating mode. The data trainer is configured to be activated in the data training mode, and while activated, receive the write data signal, compare the write data signal with a predetermined write pattern, perform a data training mode operation, and output the read data signal with a predetermined read pattern.10-28-2010
20110026334BIDIRECTIONAL EQUALIZER WITH CMOS INDUCTIVE BIAS CIRCUIT - An integrated circuit (IC) device, system and related method of communicating data are described. The IC device includes; a data port configured to provide output data to a channel and receive input data from the channel, an impedance matching circuit connected to the data port and configured to operate as an output driver circuit when the output data is being transmitted and as an on die termination circuit when the input data is being received, and an active inductive bias circuit connected to the data port in parallel with the impedance matching circuit, and configured to adjust the impedance of the data port to the channel during transmission of the output data as a function of output data frequency and adjust the impedance of the data port to the channel during receipt of the input data as a function of input data frequency.02-03-2011
20110030064DATA MASK SYSTEM AND DATA MASK METHOD - A data mask system includes a processor providing control signals including a command signal, an address signal, and a data signal, a data mask processor receiving the control signals and providing either write data or masked data in response to the control signals, and generating data mask information and a data mask selection signal from at least one of the control signals, and a data mask register unit receiving the data mask selection signal, storing the data mask information, selecting a subset of the stored data mask information in response to the data mask selection signal, and returning selected data mask information to the data mask processor. The data mask processor receives the selected data mask information from the data mask register unit and provides the masked data as a result of performing a data mask operation on the data signal according to the selected data mask information.02-03-2011
20110242916ON-DIE TERMINATION CIRCUIT, DATA OUTPUT BUFFER AND SEMICONDUCTOR MEMORY DEVICE - An on-die termination circuit includes a termination resistor unit connected to an external pin, and a termination control unit connected to the termination resistor unit. The termination resistor unit provides termination impedance to a transmission line connected to the external pin. The termination control unit varies the termination impedance in response to a plurality of bits of strength code associated with a data rate.10-06-2011
20110310659VOLTAGE-CONTROLLED OSCILLATOR AND PHASE-LOCKED LOOP CIRCUIT - A voltage-controlled oscillator includes an oscillating unit configured to output first and second output clock signals at first and second nodes, respectively, the first and second output clock signals having a frequency that is variable in response to a control voltage. An active element unit connected to the oscillating unit is configured to maintain oscillation of the oscillating unit. A bias current generating unit connected to the active element unit at a bias node provides a bias current to the bias node and is adapted to adjust the bias current in response to a control code. First and second capacitor blocks connected to the oscillating unit and the active element unit provide first and second load capacitances, respectively, to the first and second nodes, respectively, in response to the control code.12-22-2011

Sang-Keun Kwak, Seoul KR

Patent application numberDescriptionPublished
20080297190SYSTEM AND METHOD FOR TESTING SEMICONDUCTOR DEVICE - According to an example embodiment, a semiconductor device test system includes a semiconductor device and a test apparatus. The semiconductor device includes a plurality of function blocks for performing predetermined functions at different operating speeds and a plurality of ports, each corresponding to a respective function block. The test apparatus is adapted to generate a plurality of signals with different frequencies corresponding to each of the operating speeds of the function blocks, to output a plurality of input test data to the ports in response to the signals, and to receive a plurality of output test data from the ports to determine if the semiconductor device is normal.12-04-2008

Sang-Woon Kwak, Seoul KR

Patent application numberDescriptionPublished
20080206451Foaming Chemical Grout - The present invention relates to a foaming chemical grout, particularly a foaming chemical grout comprising an epoxy resin (based on solids), a glass powder, a filling agent, an alkali metal compound or alkali earth metal compound, a metal powder, a hardening agent and a solvent. And it also relates to a method for the construction, repair or reinforcement of a structure which is characterized in that the foaming chemical grout is used.08-28-2008
20080257477Non-Shrink High Viscosity Chemical Grout - The present invention relates to a non-shrink high viscosity chemical grout composition, more particularly to a non-shrink high viscosity chemical grout composition comprising, on the basis of solid content, a) 100 parts by weight of a room temperature curable organic liquid phase resin; b) 10 to 200 parts by weight of glass beads; and c) 10 to 500 parts by weight of glass powder. In addition, the present invention relates to a method for repairing and reinforcing a construction using the non-shrink high viscosity chemical grout composition. The non-shrink high viscosity chemical grout composition of the present invention has superior acid resistance, alkali resistance, injection property, fluidity, crack resistance, impact resistance, adhesion property and storage property, and the method for repairing and reinforcing a construction of the present invention has affinity with subsidiary materials, can completely restore function and shape of a construction in short time due to rapid curing and simple construction, compensates properties of construction such as tensile strength, allows strong adhesion to a construction, and prolongs lifetime of a construction.10-23-2008
20080305699Structure of Preventing Sticking and Method of Preparing the Same - The present invention provides an anti-adhesion mechanism and a method of producing it and more particularly, it provides an anti-adhesion mechanism comprising a structure body, a resin binder layer comprising a resin binder coated on all or part of the surface of the structure body and a bead layer comprising a plurality of beads bond to the upper side of the coated resin binder layer and being salient outside, and a method of producing an anti-adhesion mechanism comprising coating a resin binder on the surface to be coated, spraying beads on the upper portion of the resin binder before the coated resin binder is hardened and hardening them to form bead protrusions. The anti-adhesion mechanism prepared in accordance with the invention can prevent the adhesion of attachments such as stickers, posters and dusts to the coated surface and easily remove the attachments even though they are adhered, can be readily formed and can improve such properties as weather resistance, contamination resistance, scratch resistance, chemical resistance and impact resistance of the surfaces coated therewith.12-11-2008

Patent applications by Sang-Woon Kwak, Seoul KR

Sangyeop Kwak, Seoul KR

Patent application numberDescriptionPublished
20090149916METHOD AND APPARATUS FOR HAIR CELL STIMULATION USING ACOUSTIC SIGNALS - A method for hair cell stimulation includes determining a frequency band corresponding to damaged hair cell region in accordance with a preset algorithm, determining the frequency band corresponding to the damaged hair cell region as a target frequency band, and outputting an acoustic signal with given intensity to the target frequency band so as to stimulate the damaged hair cell region. The method treats hearing loss by acoustic signal.06-11-2009
20100076338METHOD AND DEVICE FOR OBJECTIVE AUTOMATED AUDIOMETRY - The present invention relates to a method for automation of objective hearing test based on the assessment of auditory evoked potential (AEP), for shortening of testing time, and for the minimization of inaccuracy and errors which may be resulted from the automation and time shortening. The method includes the steps for: as a preliminary test, presenting standard test stimulus to a subject; searching the wave V peak and SN1 0 peak; and as a main test, presenting test stimulus of each frequency, searching the minimal intensity and determining objective hearing threshold of each frequency.03-25-2010

Sang-Yeop Kwak, Seoul KR

Patent application numberDescriptionPublished
20080223200Method for Generating Audio Data and User Terminal and Record Medium Using the Same - Disclosed is a method for generating audio data automaticallly and a personal terminal and a recorded medium using the same. Disclosed method comprises the steps of: (a) detecting pitch of inputted sound source; (b) generating a unit tone data using detected pith varation information; (c) generating an interval code using ratio information of unit tones included in the unit tone data; (d) generating a harmony code based on the generated interval code; (e) generating an accompaniment template using the harmony code and pre-stored accompaniment related template; and (f) generating an audio data where main melody of the inputted sound source and the accompaniment data are merged. Users can generate polyphonic ringtone sound automatically through a personal terminal itself without downloading.09-18-2008
20110263926METHOD AND SYSTEM FOR SEARCH/TREATMENT OF TINNITUS - A method and a system for search/treatment of tinnitus are disclosed. The method includes outputting a tinnitus search interface, which comprises several response regions corresponding to the different frequency bands within audible frequency range of human beings, outputting an acoustic signal corresponding to the response region selected by a user, and storing the frequency information corresponding to the user's tinnitus frequency as a tinnitus frequency band. Accordingly, tinnitus may be rapidly diagnosed and treated.10-27-2011

Se Jin Kwak, Seoul KR

Patent application numberDescriptionPublished
20090249235APPARATUS AND METHOD FOR SPLITTING AND DISPLAYING SCREEN OF TOUCH SCREEN - An apparatus and method for splitting and displaying a screen of a touch screen are provided. The method includes splitting a screen of the touch screen into at least two display areas in response to an input for splitting the screen, storing split information of the at least two display areas, displaying a plurality of keys on an input display area of the screen, generating and storing key display information in response to the input for splitting the screen, and displaying the plurality keys in a designated location based on the stored key display information.10-01-2009
20110022983METHOD AND APPARATUS FOR DISPLAYING SEARCH ITEM IN PORTABLE TERMINALS - A method and apparatus for displaying a search item in a portable terminal is disclosed. When an item (for example, a particular place, a route to a destination place, particular content, etc.), for which the user requests to search, is searched and displayed, the location information regarding the search item can be displayed, in steps, from a wide range (i.e., upper information) to a narrow range (i.e., lower information), thereby the user can intuitively and easily recognize the location of the search item.01-27-2011
20110115728METHOD AND APPARATUS FOR DISPLAYING SCREENS IN A DISPLAY SYSTEM - A screen displaying method and apparatus for displaying screens in a display system are provided. The method includes setting at least one Activation Information Region (AIR) and at least one Deactivation Information Region (DIR) to a screen of the display system, displaying items on at least one set AIR and at least one set DIR, detecting a touch gesture applied to the AIR or the DIR, executing a function corresponding to the touch gesture applied to the AIR, and altering and displaying an image of at least one item in the DIR according to the touch gesture applied to the DIR. Accordingly, items can be displayed on a screen with a high level of visibility for easy recognition.05-19-2011
20110154250METHOD FOR SEARCHING CONTENT - A content searching method for enabling a user to directly search for desired contents is provided. The content searching method includes displaying a location of a cell including a content being executed in a distribution map, which displays a plurality of cells divided according to a distribution axis, and when a search button is input, redistributing and displaying a location of the cell including the content being executed in a distribution map, which displays a plurality of cells in a changed skin screen depending on a distribution axis having a changed keyword.06-23-2011
20110160550METHOD FOR TAGGING CONDITION INFORMATION AND MULTIMEDIA APPARATUS USING THE SAME - A method for tagging condition information and a multimedia apparatus using the same are provided. The method includes measuring condition information of a user who is enjoying content, and tagging the content with the measured condition information. Accordingly, the user's condition information for each content is checked and the user's condition information is adjusted using the condition information tagged onto the contents.06-30-2011

Patent applications by Se Jin Kwak, Seoul KR

Seunghwan Kwak, Seoul KR

Patent application numberDescriptionPublished
20100214975FAST DATA-LINK CONNECTION METHOD FOR SAVING CONNECTION TIME IN CDMA 2000 NETWORK - Disclosed herein is a fast data call connection method capable of reducing a connection time and increasing the probability of connection success in a CDMA 2000 network.08-26-2010

Seung-Yeop Kwak, Seoul KR

Patent application numberDescriptionPublished
20080200592Plasticizer composition containing cyclodextrin derivatives, flexible PVC composition with suppression of the migration of plasticizer containing the same, and manufacturing method thereof - The present invention relates to a plasticizer composition containing cyclodextrin derivatives, a flexible PVC composition with suppression of the migration of plasticizer containing this plasticizer composition, and a manufacturing method of the PVC composition. The manufacturing method includes the steps of: (S1) preparing a cyclodextrin derivative, in which hydrogens of a cyclodextrin are substituted with a certain compound; (S2) mixing the cyclodextrin derivative, PVC and a low molecular weight liquid plasticizer to form a plastisol; and (S3) heating the plastisol into liquid and cooling the plastisol. This manufacturing method uses cyclodextrin derivatives, in which cyclodextrins are modified with certain compounds, and these derivatives form a complex with the low molecular weight liquid plasticizer to suppress plasticizer migration. Thus, this method thereby allows mass-production of the flexible PVC with suppressed plasticizer migration in a simple and economical manner without using a solvent.08-21-2008
20090115095Semiconductor nanoparticle-encapsulating vinyl polymer, vinyl polymer mixture including same, and process of preparing the same - Provided is a semiconductor nanoparticle-encapsulating vinyl polymer including vinyl polymer particles; and semi-conductor nanoparticles, uniformly dispersed in the vinyl polymer particles, having an average particle size of 1 to 150 nm, wherein the semiconductor nanoparticles are encapsulated by the vinyl polymer particles. Provided is also a mixture of the semiconductor nanoparticle-encapsulating vinyl polymer with a commercially available vinyl polymer. In the nanoparticle-encapsulating vinyl polymer and the mixture, since the semiconductor nanoparticles are encapsulated by the vinyl polymer particles, they are highly dispersed even in vinyl polymer products. Therefore; an aggregation phenomenon of semi-conductor nanoparticles that may be caused by physical mixing of semiconductor nanoparticles and a commercially available vinyl polymer can be prevented, thereby remarkably increasing a reduction in dioxin emission during incineration of the wastes of vinyl polymer products. Furthermore, the semiconductor nanoparticles of the semiconductor nanoparticle-encapsulating vinyl polymer can remarkably increase photodegradation efficiency due to the photocatalytic activity of the nanoparticles. In addition, the semiconductor nanoparticles of the semiconductor nanoparticle-encapsulating vinyl polymer can serve as fillers, thereby enhancing mechanical properties such as tensile strength and modulus of elasticity without lowering impact strength. In particular, in a flexible poly vinylchloride compound manufactured using semiconductor nanoparticles-encapsulating polyvinylchloride and a commercially available phthalate-based low-molecular weight liquid phase plasticizer, a plasticizer migration phenomenon can be prevented by adsorptivity of highly dispersed semiconductor nanoparticles.05-07-2009
20090281214Plasticizer Composition Containing Cyclodextrin Derivatives, Flexible PVC Composition With Suppression of the Migration of Plasticizer Containing the Same, and Manufacturing Method Thereof - Disclosed are plasticizer compositions including cyclodextrin derivatives, a flexible PVC composition with suppression of the migration of a plasticizer containing the same, and a manufacturing method thereof. The manufacturing method of the flexible PVC composition of the present invention includes steps of (S1) preparing cyclodextrin derivatives; (S2) mixing the cyclodextrin derivatives, PVC and a low molecular weight liquid plasticizer to form a plastisol; and (S3) heating the plastisol to form a solution and cooling the solution. The manufacturing method of the present invention may be useful to mass-produce flexible PVC with suppression of the migration of a plasticizer in a simple and economic manner without using solvents since the cyclodextrin derivatives are used as a compound that can suppress the migration of a plasticizer The flexible PVC has an effect of reducing an amount of the migrated plasticizer without deterioration in its physical properties.11-12-2009
20090286908Poly(Vinyl Chloride) Product Containing Cyclodextrin Derivatives With Suppression of the Migration of Plasticizer and Manufacturing Method Thereof - The present invention relates to a PVC product containing cyclodextrin derivative particles and capable of suppressing migration of a plasticizer and a method for manufacturing the same, which includes (S1) preparing cyclodextrin derivative particles, in which a hydroxyl functional group is replaced by a predetermined compound; (S2) inputting the cyclodextrin derivative particles, a water-based dispersion medium and a vinyl chloride monomer into a high-pressure reactor and performing polymerization to obtain cyclodextrin derivative particles-capsulated PVC particles, in which a plurality of the cyclodextrin derivative particles are dispersedly capsulated in PVC particles; and (S3) mixing the cyclodextrin derivative particles-capsulated PVC particles with a low molecular weight liquid plasticizer and molding the mixture in a predetermined shape using heat.11-19-2009
20100092376Manufacturing method of porous titanium dioxide using cyclodextrin - A method is provided for manufacturing porous titanium dioxide with uniform pore sizes within several nanometers by means of a template and a titanium precursor. In this method, a cyclodextrin or cyclodextrin derivative is used as a template for forming pores, and the cyclodextrin or then derivative reacts with the titanium precursor in a sulfuric acid solution. The manufacturing method according to the present invention allows the control of pore size and morphology using various kinds of cyclodextrin or cyclodextrin derivatives, supports a facile removal of the cyclodextrin used as the template, and is capable of manufacturing anatase type porous titanium dioxide with excellent photoactivity without a separate sintering process.04-15-2010
20100093912Manufacturing method of organic modifer-free exfoliated nano clay-polymer composite - The present invention relates to a manufacturing method of organic modifier-free exfoliated nano clay-polymer composite. The manufacturing method of organic modifier-free exfoliated nano clay-polymer composite includes (S1) dispersing layered clay nanoparticles and dissolving a thermoplastic polymer in an acidic solvent; (S2) adding the product of step (S1) to a polymer non-solvent incapable of dissolving the polymer, but capable of dissolving the organic modifier separated from the organized layered clay nanoparticles; and (S3) separating an organic modifier-free exfoliated nano clay-polymer composite from the product of step (S2). The inventive manufacturing method can maximally improve the physical properties of composites through the addition of the exfoliated clay nanoparticles by removing the organic modifier that may deteriorate physical properties of the composite from the exfoliated clay nanoparticles dispersed therein.04-15-2010

Patent applications by Seung-Yeop Kwak, Seoul KR

Soonjong Kwak, Seoul KR

Patent application numberDescriptionPublished
20090142268CHAIN-END FUNCTIONALIZED POLY(ETHYKENE OXIDE) AND PROCESS FOR THE PREPARATION OF A NANO-SIZED TRANSITION METAL OR METAL SALT USING THE SAME - There is provided a novel chain-end functionalized PEO of formulas (I) to (IV) prepared via living anionic polymerization and chain-end functionalization, as well as a simple method of preparing nano-sized transition metal or metal salt particles using the same, which can be readily stabilized even in an aqueous medium. The water-soluble PEO-based polymers having various functional groups (including a drug group such as vitamin and anti-cancer agent) and the process of preparing nano-sized transition metal or metal salt particles using the same can be advantageously used in the development of new materials for drug delivering system and imaging, e.g., a contrast agent and an anti-cancer agent simultaneously.06-04-2009
20100285319METHOD FOR FABRICATION OF TRANSPARENT GAS BARRIER FILM USING PLASMA SURFACE TREATMENT AND TRANSPARENT GAS BARRIER FILM FABRICATED THEREBY - The present invention relates to a method of fabricating a transparent gas barrier film by using plasma surface treatment and a transparent gas barrier film fabricated according to such method which has an organic/inorganic gradient interface structure at the interface between an organic/inorganic hybrid layer and an inorganic layer. Since the method of the present invention is capable of fabricating a gas barrier film by plasma surface treatment instead of deposition under high vacuum, it can mass-produce a transparent gas barrier film with excellent gas barrier properties in an economical and simple manner. Further, since the transparent gas barrier film fabricated according to the method of the present invention shows excellent gas barrier properties and is free of crack formation and layer-peeling phenomenon, it can be effectively used in the manufacture of a variety of display panels.11-11-2010

Soon-Jong Kwak, Seoul KR

Patent application numberDescriptionPublished
20100084007MODIFIED CARBON NANOTUBE GRAFTED BY LIVING POLYMER, CARBON NANOTUBE ELECTRODE AND DYE-SENSITIZED SOLAR CELL USING THE SAME, AND EACH PREPARATION METHOD THEREOF - Disclosed are to provide a modified carbon nanotube obtained by reacting a polymer to a carbon nanotube by a radical graft method, capable of minimizing lowering of a physical property of a carbon nanotube caused when being modified, and capable of enhancing dispersibility of the carbon nanotube and an adhesion strength between carbon nanotubes, the polymer having a molecular weight controlled by a living radical polymerization and still having a living radical end group.04-08-2010

Tae Hee Kwak, Seoul KR

Patent application numberDescriptionPublished
20110120168COMBINED REFRIGERATING/FREEZING AND AIR CONDITIONING SYSTEM - A combined refrigerating/freezing and air conditioning system is provided. The system may include an air conditioning circuit, a refrigerating circuit, a freezing circuit, a first heat exchanger, and a second heat exchanger. The air conditioning circuit may include a compressor, an outdoor heat exchanger, and an indoor heat exchanger. The refrigerating circuit may include compressor, a condenser, and an evaporator. The freezing circuit may include a compressor, a condenser, and an evaporator. The refrigerant of the air conditioning circuit may be heat-exchanged with the refrigerant of the refrigerating circuit in the first heat exchanger, and the refrigerant of the refrigerating circuit may be heat-exchanged with the refrigerant of the freezing circuit in the second heat exchanger to improve air conditioning efficiency and refrigerating/freezing efficiency of the system.05-26-2011

Wei-Jong Kwak, Seoul KR

Patent application numberDescriptionPublished
20090118302Novel Benzopyran Derivatives Having Inhibitory Activities Against Liver Fibrosis and Cirrhosis and Their Pharmaceutical Uses - The present invention relates to a novel benzopyran derivative having goodantagonistic activity on TGF-β receptor which can be effectively used as a prophylactic and therapeutic agent for liver disease as well as several fibroplasiadiseases such as hepatic fibrosis, liver cirrhosis, pulmonary fibrosis, dermatosclerosis, glomerular fibrosis and the like; and a pharmaceutical use thereof.05-07-2009

Wie-Jong Kwak, Seoul KR

Patent application numberDescriptionPublished
20080207614QUINAZOLINE DERIVATIVES FOR THE TREATMENT AND PREVENTION OF DIABETES AND OBESITY - The present invention relates to novel quinazoline derivatives effective in lowering blood glucose level and body weight, and a medicine for treatment and/or prevention of diabetes and/or obesity, which comprises the compound as an active ingredient.08-28-2008
20080248143Pulsatilla Spp. Extracts Effective in Brain Function - This invention relates to Pulsatillae Radix extract for improving brain functions. More specifically, this invention relates to Pulsatillae Radix extract, its active fractions and a pharmaceutical product and a health food containing the same respectively having a protective activity against neurotoxicity and a growth inhibitory effect induced by beta-amyloid, an anti-oxidizing effect, a neuron proliferating effect and improving memory thereby effective in improving brain functions such as Mild Cognitive Impairment and dementia.10-09-2008
20090004309Anti-Gastritis and Anti-Ulcer Agent Containing Momordicae Semen Extract and Momordica Saponin I Isolated From the Same - The present invention relates to a 01-01-2009
20100099763TRITERPENE COMPOUNDS WHICH ARE EFFECTIVE ON IMPROVEMENT OF BRAIN FUNCTION - The present invention relates to the triterpene compounds improving in brain functions. In particular, the present invention relates to a novel use of the triterpene compounds represented by the Formula 1 for improving decreased memory and a pharmaceutical composition for improving brain functions comprising the triterpene compounds represented by the Formula 1.04-22-2010
20100190968OLEANANE TRITERPENE SAPONIN COMPOUNDS WHICH ARE EFFECTIVE ON TREATMENT OF DEMENTIA AND MILD COGNITIVE IMPAIRMENT (MCI) AND IMPROVEMENT OF COGNITIVE FUNCTION - The present invention relates to the use of oleanane-type triterpene saponin compounds, which are effective for improving memory and learning ability, as an effective ingredient of drugs for the treatment and prevention of dementia and mild cognitive impairment and health foods for the improvement of brain functions including cognitive function.07-29-2010
20100221371SOPHORAE RADIX EXTRACT FOR PREVENTION AND TREATMENT OF RESPIRATORY DISEASES - The present invention relates to an extract isolated from Sophorae Radix useful for prevention and treatment of respiratory diseases. More specifically, the present invention relates to a pharmaceutical drug comprising the Sophorae Radix extract having excellent effects of inhibiting airway contraction, respiratory infections, 5-lipoxygenase activity, phosphodiesterase 4 activity, airway hyper-responsiveness and airway remodeling; antagonistic activity against leukotriene D4; and an antitussive effect, thus being useful for prevention and treatment of respiratory diseases such as asthma, acute or chronic bronchitis, allergic rhinitis, acute upper respiratory infections and acute lower respiratory infections, and the like.09-02-2010
20100310687ANTI-GASTRITIS AND ANTI-ULCER AGENT CONTAINING MOMORDICAE SEMEN EXTRACT AND MOMORDICA SAPONIN I ISOLATED FROM THE SAME - The present invention relates to a Momordicae semen extract effective in the prevention and treatment of gastritis or gastric ulcer and 12-09-2010
20120021011ANTI-INFLAMMATORY PHARMACEUTICAL COMPOSITION COMPRISING EXTRACTS FROM BROUSSONETIA PAPYRIFERA AND LONICERA JAPONICA - The present invention relates to a pharmaceutical composition for alleviating or treating inflammations and/or pains, the pharmaceutical composition comprising extracts from 01-26-2012

Patent applications by Wie-Jong Kwak, Seoul KR

Won Gee Kwak, Seoul KR

Patent application numberDescriptionPublished
20100085484BROADCAST RECEIVER AND METHOD FOR DISPLAYING CHANNEL INFORMATION - A broadcast receiver and method for displaying channel information, are discussed. According to an embodiment, a method for displaying channel information using a broadcast receiver, includes tuning, by the broadcast receiver, to at least one channel if a channel edition mode is provided, and processing video signals of the tuned channel in a multi-PIP mode, the processing step including changing at least one of a video resolution and a screen size for the video signals; graphically processing channel data information on each of the video signals; and multiplexing the video signals processed in the multi-PIP mode and the graphically processed channel data information into multiplexed signals, for outputting the multiplexed signals on a display device.04-08-2010

Young-Ho Kwak, Seoul KR

Patent application numberDescriptionPublished
20090189652Frequency Multiplier - A frequency multiplier is disclosed. A plurality of voltage regulators each regulate levels of voltages at first and second common nodes in response to a corresponding one of input signals from a voltage-controlled delay line. An input buffer charges the first node or discharges the second node in response to a feedback signal. An output buffer regulates a level of a voltage at an output node and outputs a frequency-multiplied clock signal and the feedback signal corresponding to the voltage level of the output node. A discharge circuit discharges the first node before a rising edge of each of the input signals from the voltage-controlled delay line is inputted. A charge circuit charges the second node before the rising edge of each of the input signals from the voltage-controlled delay line is inputted.07-30-2009
20100244914CLOCK GENERATOR TO REDUCE LONG TERM JITTER - A clock generator includes a controller, a digital phase locked loop (PLL) circuit, a charge pump phase locked loop (PLL) circuit and a divider. The controller generates a division factor and a first internal clock signal in response to a low-frequency reference clock signal and a multiplication factor. The digital PLL circuit generates a second internal clock signal in response to the reference clock signal, the division factor and the first internal clock signal. The charge pump PLL circuit generates a plurality of third internal clock signals by using the second internal clock signal. The divider generates a high-frequency clock signal in response to a phase selection signal, the division factor and the third internal clock signals.09-30-2010
20110216864VARIABLE DELAY CIRCUIT AND DELAY-LOCKED LOOP INCLUDING THE SAME - The present disclosure provides a variable delay circuit comprising a delay circuit that includes a first delay unit and a second delay unit and delays an input signal to generate an output signal; a selection signal generation unit that detects a delay value of the delay circuit and generates a selection signal to select a delay unit for delaying the input signal from the first delay unit and the second delay unit; a first control unit that controls a delay value of the delay unit selected by the selection signal in response to a delay increase/decrease signal; and a second control unit that controls a delay value of the delay unit which is not selected by the selection signal.09-08-2011
20110228887LINEAR PHASE DETECTOR AND CLOCK/DATA RECOVERY CIRCUIT THEREOF - A linear phase detector includes an up/down pulse generator operating in response to received data signals and a recovered clock signal. The phase detector generates up and down pulses that have pulse widths proportional to the phase differences between transitions of the received data signals and edges of the recovered clock signal. By generating up and down pulses using a linear phase detector in proportion to a phase error, data signals are effectively recovered, even data signals with significant jitter.09-22-2011

Patent applications by Young-Ho Kwak, Seoul KR

Yun-Hee Kwak, Seoul KR

Patent application numberDescriptionPublished
20080284770LIQUID CRYSTAL DISPLAY, METHOD OF ADJUSTING A DRIVING MODE THEREOF AND METHOD OF DRIVING THE SAME - A liquid crystal display includes an insulating substrate, a driving chip having a plurality of input leads and a plurality of option leads, a plurality of input pads and a plurality of option pads. Each input pad of the plurality of input pads is connected to a corresponding input lead of the plurality of input leads, and an input pad of the plurality of input pads supplies the driving chip with a power signal supplied from a power supply wire of a plurality of power supply wires. Each option pad of the plurality of option pads is connected to a corresponding option lead of the plurality of option leads. An operation of the driving chip is controlled according to a voltage level of the power signal supplied through a bridge wire of a plurality of bridge wires connected between an option pad and a corresponding input pad.11-20-2008
20090167730DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a display panel including gate and data lines disposed thereon, and a plurality of driver integrated circuits (“ICs”) on the display panel and electrically connected to data lines. Flexible printed circuit boards (“FPCBs”) are disposed on the display panel and a printed circuit board to apply the control signal and the image signal from the printed circuit board to the driver ICs. There are less FPCBs than driver ICs. The driver ICs are divided into first and second driver groups; the data lines are divided into first and second groups of data lines. Driver ICs of the first driver group are directly connected to corresponding FPCBs, and driver ICs of the second driver group are connected to adjacent driver ICs. Each driver integrated circuit of the first driver group outputs a first repair signal to repair a data line of the first group of data lines.07-02-2009
20100033455GATE DRIVER CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - A gate driver circuit includes a driving section and a wiring section. The wiring section receives a plurality of signals from an external device. The driving section includes a plurality of stages providing a plurality of gate lines with a gate signal. The wiring section includes first and second signal wirings. The first signal wiring is disposed adjacent to a first side of the driving section, where the first side receives the signals from the wiring section. The second signal wiring is disposed adjacent to a portion that is disposed at an outer side of the driving section and the first signal wiring. Therefore, a signal applied to the first signal wiring is prevented from being delayed by the second signal wiring. Furthermore, a distortion of signal applied to the gate driver and a maloperation of the gate driver are prevented.02-11-2010
20100283955DISPLAY DEVICE HAVING FANOUT WIRING - A display device may include an insulating substrate, a pixel electrode formed on the insulating substrate, a circuit board connected to the insulating substrate, a first wiring connected to the circuit board, and a second wiring for transmitting a signal to the pixel electrode. The second wiring may be connected to the first wiring, and the second wiring may have a larger resistance than the first wiring. Portions of the first wiring or the second wiring may include a zigzag pattern, and a swing width of a zigzag pattern of the second wiring may be varied depending on the position of the second wiring.11-11-2010
20100295829THIN FILM TRANSISTOR ARRAY PANEL AND DISPLAY DEVICE INCLUDING THE SAME - The present invention relates to a thin film transistor array panel and a display device including the same. A thin film transistor array panel according to an exemplary embodiment of the present invention includes: a plurality of gate lines; a plurality of pixels respectively connected to the gate lines; a gate driver comprising a plurality of stages connected to each other, the plurality of stages being respectively connected to the plurality of gate lines and applying gate signals to the plurality of gate lines; and a driver inspection unit separated from the gate driver and including at least three inspection stages, wherein each of the at least three inspection stages has a same structure as one of the plurality of stages of the gate driver.11-25-2010

Patent applications by Yun-Hee Kwak, Seoul KR