Changsoo
Changsoo Han, Seoul KR
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20110251533 | WEARABLE ROBOTIC SYSTEM FOR REHABILITATION TRAINING OF THE UPPER LIMBS - The present invention relates to a wearable robot system for rehabilitation training of the upper limbs that has an improved structure to reproduce in detail motion of a human body by selecting a wearing type structure such that robot links move correspondingly to the motion of the upper limbs while decreasing the volume of a rehabilitation and assistance device based on a robot for rehabilitation training of the upper limbs. According the present invention, it is possible to decrease the volume and increase the available space, in addition to creating smooth motion without interfering with the human body by creating a plurality of robot motion paths and selecting the best path from them, because an operation of four degrees of freedom can be achieved by an operation procedure using redundant. | 10-13-2011 |
Changsoo Han, Daejeon KR
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20140199773 | DETECTION METHOD USING COLORIMETRIC ANALYSIS - A detection method using colorimetric analysis of the present invention includes: providing a first solution in which two materials selected from metal nanoparticles, an oxidizing agent, and chloride ions are mixed; providing a second solution including one other material that is not included in the first solution among the metal nanoparticles, the oxidizing agent, and the chloride ions; preparing a mixture solution by mixing the first solution and the second solution; and testing and measuring a color change of the mixture solution. | 07-17-2014 |
Changsoo Jang, Wonju-Si KR
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20130082989 | Display Apparatus - A display apparatus having a thin thickness and improved esthetic sense is disclosed. The display apparatus comprises a display panel including an upper substrate having a signal line to which gate and data signals are supplied, and at least one lower substrate bonded to the upper substrate; and a panel support member supporting the display panel to externally expose an entire upper surface of the display panel, wherein the display panel includes a display portion having a main display region, a sub display region having an area smaller than that of the main display region, and a boundary region dividing the main display region and the sub display region from each other; and a periphery portion surrounding the display portion. | 04-04-2013 |
Changsoo Kim, Daejeon-City KR
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20100005273 | METHOD FOR SELECTING NODE IN NETWORK SYSTEM AND SYSTEM THEREOF - The present invention relates to a method for selecting a node in a network system and a system thereof. The method performs a writing operation on a majority of the nodes included in at least one cell selected by dividing a network area including a plurality of nodes existing on a large-capacity cluster into a plurality of cells and performs a reading work on the majority of the nodes included in the cells selected by selecting predetermined cells of the divided cells. The present invention minimizes the accessibility of the network by binding the adjacent nodes to form the cells and access to each cell and optimizes hierarchy for the network access by selecting the node for each cell, thereby making it possible to minimize the network access cost. | 01-07-2010 |
Changsoo Kim, Seoul KR
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20140029498 | BATTERY POWER SAVING METHOD AND APPARATUS FOR A MOBILE DEVICE - A method and apparatus for reducing battery power consumption are provided when a mobile device executes a navigation application. To this end, the apparatus calculates and compares a usable time on a battery and an estimate time for arrival at a selected destination during a navigation mode, then if the usable time is less than the estimated time for arrival, the apparatus performs at least one power saving mode to conserve battery life. | 01-30-2014 |
20150235098 | METHOD AND APPARATUS FOR RECOGNIZING FINGERPRINT - A method and apparatus for recognizing a fingerprint. The method includes displaying a guide area corresponding to a finger touch in at least one area of a display unit; and providing guide information related to fingerprint recognition based on a touch detected via the guide area. The apparatus includes a display unit configured to display a guide area corresponding to a finger touch in at least one area in a fingerprint mode; an input unit configured to detect a touch input, wherein the input unit is integrally configured with the display unit; a fingerprint scan sensor located in an area adjacent to the guide area of the display unit; and a controller configured to provide guide information related to fingerprint recognition based on a touch detected via the guide area in the fingerprint mode. | 08-20-2015 |
Changsoo Kim, Daejeon KR
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20150106582 | APPARATUS AND METHOD FOR MANAGING DATA IN HYBRID MEMORY - An apparatus and method for managing data in hybrid memory are disclosed. The apparatus for managing data in hybrid memory may include a page access prediction unit, a candidate page classification unit, and a page placement determination unit. The page access prediction unit predicts an access frequency value for each page for a specific period in a future based on an access frequency history generated for the page. The candidate page classification unit classifies the page as a candidate page for migration based on the predicted access frequency value for the page. The page placement determination unit determines a placement option for the classified candidate page. | 04-16-2015 |
Changsoo Kwak, Daejon KR
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20100141356 | COUPLED LINE FILTER AND ARRAYING METHOD THEREOF - A coupled line filter includes: a first line resonator connected input port and a second line resonator connected with output port each having an electrical length of 270° at a predetermined center frequency, the first and second line resonators being disposed parallel to each other; and a third line resonator including one or more line resonators disposed between the first line resonator and the second line resonator, each line resonator having an electrical length of 90° at the center frequency and a first side aligned with first sides of the first line resonator and the second line resonator, wherein an order of the coupled line filter is determined by summing the number of the line resonators included in the third line resonator and the first and second line resonators. | 06-10-2010 |
20110116230 | SYSTEM FOR CONTROLLING TEMPERATURE OF ANTENNA MODULE - A system for controlling temperature of an antenna module including a heat generating module, and a radome and an underbody cover that enclose the heat generating module. The system includes: a heat collecting unit mounted on inner surface of the antenna module; a heat discharging unit mounted on outer surface of the antenna module; and a heat transfer unit for transferring heat from the heat collecting unit to the heat discharging unit. | 05-19-2011 |
20110199141 | PHASE SHIFTER AND CONTROL METHOD THEREOF - Provided is a phase shifter having a high phase difference in a microwave band. The phase shifter includes a first phase shifting unit configured to receive an input signal having a predetermined frequency, receive a first control signal and a second control signal operating contrary to the first control signal, output the input signal as it is when the first control signal is activated, and output the input signal to have a lead phase as much as a predetermined phase, and a second phase shifting unit configured to receive a second signal outputted from the first phase shifting unit, receive the first control signal and the second control signal, output the second signal to have a lagged phase as much as a predetermined phase when the first control signal is activated, and output the second signal as it is when the second control signal is activated. | 08-18-2011 |
Changsoo Kwank, Daejeon-City KR
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20100103623 | LOW-TEMPERATURE-COFIRED-CERAMIC PACKAGE AND METHOD OF MANUFACTURING THE SAME - Provided are a low-temperature-cofired-ceramic (LTCC) package and a method of manufacturing the same. The LTCC package includes: an LTCC substrate including a plurality of LTCC layers and a recess in which a device is mounted; a thermal conductive element adhered onto a first LTCC layer exposed by the recess using a first thermal conductive adhesive member; the device adhered onto the thermal conductive element using a second thermal conductive adhesive member; and a connection member for electrically connecting the device with the LTCC substrate. In the LTCC package and the method, portions of the LTCC layers disposed under a high-heating device except a lowermost LTCC layer contacting a heat sink, which correspond to a thermal transmission path, are removed and replaced by a higher thermal conductive material to minimize heat dissipation resistance and heat resistance caused by thermal conduction. Thus, heat resistance and thermal stress between the bottom of the high-heating device and the heat sink can be minimized. | 04-29-2010 |
Changsoo Lee, Anyang-Si KR
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20160127960 | METHOD AND APPARATUS FOR RECEIVING CONTROL INFORMATION IN WIRELESS CONNECTION SYSTEM - The present invention discloses a method and an apparatus for a terminal receiving control information, which includes a modified physical hybrid ARQ indicator channel (PHICH) configuration, through a downlink shared channel (DL-SCH), in a heterogeneous network system comprising a macro cell and a femto cell. The method for the terminal receiving the control information in the heterogeneous network system comprising the macro cell and the femto cell, according to one embodiment of the present invention, comprises the steps of: the terminal accessing the macro cell undergoing a handover to the femto cell; and receiving PHICH reconfiguration information from the femto cell through the downlink shared channel (DL-SCH), when the configuration of the physical hybrid ARQ indicator channel (PHICH) used by the terminal which has undergone the handover is modified. | 05-05-2016 |
20160128022 | METHOD AND APPARATUS FOR RECEIVING CONTROL INFORMATION FOR REMOVING INTERFERENCE OF ADJACENT CELL IN WIRELESS ACCESS SYSTEM - A method for receiving control information for removing interference of an adjacent cell in a wireless access system, according to one embodiment of the present invention, comprises the steps of: receiving, from a serving cell, indication information expressing whether the number of resource blocks in the serving cell and in the adjacent cell match, and whether the number of antennas in the serving cell and in the adjacent cell are match; receiving a physical broadcast channel (PBCH) of the adjacent cell when the number of resource blocks and/or the number of antennas do not match; and determining the number of resource blocks and/or the number of antennas of the adjacent cell from the physical broadcast channel in the adjacent cell that has been received. | 05-05-2016 |
Changsoo Lee, Seoul KR
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20100081079 | POLYMER FOR RESIST AND RESIST COMPOSITION MANUFACTURED USING THE SAME - Disclosed are a polymer for a chemically amplified resist represented as | 04-01-2010 |
20160026056 | COMPLEX FILM HAVING ELECTRO-CHROMIC MIRROR FUNCTION AND ANTI-REFELECTIVE FUNCTION, DISPLAY COMPROMISING THE COMPLEX FILM, AND METHODS OF MANUFACTURING THE COMPLEX FILM AND DISPLAY - Complex films having an electro-chromic mirror and an anti-reflective film, displays that include the complex films, and methods of manufacturing the complex films and the displays, include an electro-chromic mirror including a plurality of electro-chromic material layers, and an anti-reflective film including a plurality of anti-reflective material layers, wherein at least some of the plurality of anti-reflective material layers are between an uppermost layer and a lowermost layer of the plurality of electro-chromic material layers. | 01-28-2016 |
20160026060 | ELECTRO-CHROMIC PANEL CAPABLE OF SELECTIVELY MAKING TRANSPARENT AREA AND REFLECTIVE AREA AND METHOD OF OPERATING THE SAME, AND DISPLAY APPARATUS INCLUDING THE SAME AND METHOD OF OPERATING DISPLAY APPARATUS - An electro-chromic panel includes a detection layer, and an electro-chromic layer configured to switch an operational mode of a selected area according to a signal provided from the detection layer. A method of operating an electro-chromic panel includes detecting a first signal provided to a detection layer, and switching an operational mode of a first area of an electro-chromic layer according to the first signal provided from the detection layer. | 01-28-2016 |
Changsoo Lim, Seoul KR
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20120139884 | ELECTRONIC PAPER DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are an electronic paper display device and a method for manufacturing the same. The electronic paper display device including an electronic paper panel and various components, includes: a substrate made of an insulating material and being provided with wirings on a surface thereof and therein; and a driving IC bonded to the substrate and controlling the electronic paper panel to display an image, whereby it be manufactured by a more simplified process as compared to that of the related art and can remarkably reduce product costs by using more inexpensive components that are necessary as compared to those of the related art. | 06-07-2012 |
Changsoo Shin, Seoul KR
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20090006000 | Method for velocity analysis using waveform inversion in laplace domain for geophysical imaging - A Laplace transform system comprising a processor, a measured time domain wavefield, a velocity model, and Laplace damping constants, wherein the processor is programmed to calculate a substantially about zero frequency component of a Fourier transform of a time domain damped wavefield, wherein the time domain damped wavefield is damped by the Laplace damping constants to obtain long wavelength velocity information for deeper subsurface regions. | 01-01-2009 |
20100042391 | WAVEFORM INVERSION IN LAPLACE-FOURIER DOMAIN - Disclosed are an apparatus and method for visualizing subsurface velocity structure by processing signals through waveform inversion in the Laplace-Fourier domain, and a recording medium storing a program for implementing the method. A receiver receives a seismic signal from a target region, and a signal processor processes the seismic signal to generate image data for visualizing the subsurface structure of the target region. The signal processor performs the waveform inversion in the Laplace-Fourier domain, thereby obtaining a velocity model similar to an true structure of the target region. | 02-18-2010 |
20110194377 | APPARATUS AND METHOD FOR IMAGING A SUBSURFACE USING ACCUMULATED ENERGY OF WAVEFIELD - Provided is an apparatus of imaging a subsurface of a target area. The apparatus includes: an observed wavefield acquiring unit configured to acquire an observed wavefield for a target area based on seismic data; a parameter storage configured to store a characteristic parameter for the target area; a modeled wavefield creator configured to create a modeled wavefield corresponding to the observed wavefield using the characteristic parameter stored in the parameter storage; an energy calculator configured to calculate accumulated energies of the observed wavefield and the modeled wavefield, wherein the accumulated energies are defined as energies accumulated over time with respect to the observed wavefield and the modeled wavefield; and a parameter updating unit configured to update the characteristic parameter stored in the parameter storage such that a difference between the accumulated energy of the observed wavefield and the accumulated energy of the modeled wavefield is minimized. | 08-11-2011 |
20110267923 | APPARATUS AND METHOD FOR SEISMIC IMAGING USING WAVEFORM INVERSION SOLVED BY CONJUGATE GRADIENT LEAST SQUARES METHOD - Provided is an apparatus for seismic imaging by using waveform inversion in the frequency domain. The seismic imaging apparatus includes: a waveform inversion unit obtaining an equation by applying a Gauss-Newton method to an objective function consisting of residuals of logarithmic wavefields in frequency-domain waveform inversion and then obtaining a parameter vector, which minimizes the objective function, by solving the equation using a conjugate gradient method; and a subsurface structure display unit generating subsurface structure information using the parameter vector obtained by the waveform inversion unit and displaying the generated subsurface structure information. | 11-03-2011 |
20110299361 | APPARATUS AND METHOD FOR IMAGING SUBSURFACE STRUCTURE - The present invention relates to an imaging technique for modeling a subsurface structure through waveform inversion in the Laplace domain. According to the present invention, a source equivalent to the real source is calculated. The equivalent source is at least one source arranged on a virtual grid of the area to be measured, and the virtual grid has a large size which cannot be employed as the location of the real source in conventional techniques. The equivalent source has a vector obtained by multiplying an analytical solution vector and an impedance matrix of a Laplace domain wave equation, wherein said analytical solution vector is obtained from the analytical solution of a Laplace domain wave equation in a homogeneous half space by the real source. | 12-08-2011 |
20120026835 | SUBSURFACE IMAGING METHOD USING VIRTUAL SOURCES DISTRIBUTED UNIFORMLY OVER THE SUBSURFACE - There are provided a subsurface imaging apparatus and method for modeling a subsurface structure by solving a wavefield equation by waveform inversion. A virtual source that generates an observed wavefield and is distributed over grid points of the subsurface is obtained by applying a least-square method to an equation including a Green's function of the subsurface medium. Then, a subsurface model generating the observed wavefield when applying the virtual source is obtained. | 02-02-2012 |
20120236686 | SEISMIC IMAGING APPARATUS WITHOUT EDGE REFLECTIONS AND METHOD FOR THE SAME - A seismic imaging technology for imaging a subsurface structure is provided. The seismic imaging technology is applied to modeling parameters of a wave equation redefined in a new coordinate system resulting from converting space axes into a logarithmic scale. The redefined wave equation is applied to wave inversion or reverse-time migration. | 09-20-2012 |
20120243373 | SEISMIC IMAGING APPARATUS UTILIZING MACRO-VELOCITY MODEL AND METHOD FOR THE SAME - There is provided a seismic imaging technology for imaging a subsurface structure by processing measured data reflected from the subsurface structure after a wave from a source wave has been propagated to the subsurface structure. According to an aspect, there is provided a seismic imaging method for obtaining imaging data of a subsurface structure through waveform inversion using a macro-velocity model as an initial value, wherein the macro-velocity model which is used as the initial value for the waveform inversion is calculated by: calculating a velocity difference function which is a difference between a real velocity and an initial velocity model, wherein the velocity difference function is a ratio of measured seismic scattered energy and modeled scattered energy based on the initial velocity model; and calculating the macro-velocity model by updating the initial velocity model with the velocity difference function. | 09-27-2012 |
20120263016 | SEISMIC IMAGING APPARATUS - A technology of imaging a land seismic wave in the Laplace domain is provided. According to an aspect, a plurality of geophones are distributed in a lattice form at a regular interval of 150-250 m over a region to be inspected, and buried in the ground. Each of the geophones is buried in a hole excavated in the ground, and the hole is filled with cement. | 10-18-2012 |
20120323541 | SEISMIC IMAGING METHOD CONSIDERING A CONTOUR OF THE SEA BOTTOM - A seismic imaging method for imaging a subsurface structure is provided. The seismic imaging method calculates a coefficient matrix of a wave equation according to a contour of the sea bottom within a global grid. This method can be used to accurately estimate signals reflected on or transmitted through the sea bottom because it accurately reflects more detailed contours of the sea bottom within the global grid. Moreover, computational overburden is minimized. | 12-20-2012 |
20130242693 | SEISMIC IMAGING SYSTEM USING A REVERSE TIME MIGRATION ALGORITHM - Provided is seismic imaging system, particularly, reverse-time migration for generating a real subsurface image from modeling parameters calculated by waveform inversion, etc. A seismic imaging system includes: a logarithmic back-propagation unit configured to back-propagate a ration of a logarithmic measured wavefield to modeling wavefield; a virtual source estimating unit configured to estimate virtual sources from a sources; and a first convolution unit configured to convolve the back-propagated measured data with the virtual sources and to output the results of the convolution. | 09-19-2013 |
20130245954 | SEISMIC IMAGING SYSTEM USING COSINE TRANSFORM IN LOGARITHMIC AXIS - Provided is seismic imaging, particularly, a seismic imaging system. The seismic imaging system includes a measured data processing unit converting measured data from receiver to cosine transformed data in logarithmic scale axes, a subsurface structure estimating unit calculating subsurface modeling parameters with measured data transformed in the measured data processing unit based on a cosine transformed acoustic waveform equation defined along logarithmic axes, and an image output unit converting modeling parameters calculated in the subsurface structure estimating unit and outputting the converted image data. | 09-19-2013 |
20130286775 | SEISMIC IMAGING SYSTEM FOR COUSTIC-ELASTIC COUPLED MEDIA USING ACCUMULATED LAPLACE GRADIENT DIRECTION - The description relates to a seismic imaging technology technique for modeling a subsurface structure through waveform inversion in the Laplace domain. The seismic imaging system comprises a scaled gradient calculating unit calculating a scaled gradient, a modeling parameter updating unit updating the model parameters using the scaled gradient direction, and an iteration control unit controlling the scaled gradient calculating unit and the modeling parameter updating unit to repeat processing iteratively until a stopping criteria is met. | 10-31-2013 |