Patent application number | Description | Published |
20090202885 | Process to prepare the self-stand electrode using porous supporter of electrode catalyst for fuel cell, a membrane electrode assembly comprising the same - The present invention relates to a porous electrode used in a polymer electrolyte membrane fuel cell, and more particularly to a method of preparing a membrane-electrode assembly by forming a self-stand electrode layer by coating catalyst ink on a non-conductive substrate having a macropore and then joining it to a polymer electrolyte membrane. The porous self-stand electrode according to the present invention allows moisture and gas to be smoothly discharged and inflowed in a high current density operation region to improve the performance of a fuel cell, and can be freely cutted to simplify the preparation process of the membrane-electrode assembly. | 08-13-2009 |
20100330463 | PROCESS FOR PREPARING OF A CATALYST SOLUTION FOR FUEL CELL AND A MEMBRANE ELECTRODE ASSEMBLY USING THE SAME - The present invention discloses a process for preparing catalyst solution for a membrane-electrode assembly in a fuel cell, which comprises the steps of a) mixing a catalyst solution (Solution A) wherein catalyst particles are dispersed in water and an ion conductive resin solution (Solution B) wherein an ion conductive resin is dissolved in water, low boiling point organic solvent or a mixture thereof, to form a dispersion; b) mixing the dispersion obtained from step a) with functional additive dissolved in high boiling point solvent or a mixture of low boiling point solvent arid water (Solution C) to prepare catalyst ink dispersion; and c) aging the catalyst ink dispersion obtained from step b). | 12-30-2010 |
20120016043 | POLY(ARYLENE ETHER) COPOLYMER HAVING CATION-EXCHANGE GROUP, PROCESS OF MANUFACTURING THE SAME, AND USE THEREOF - The present invention relates to a poly(arylene ether) copolymer having an ion exchange group, particularly a positive ion exchange group, a method for manufacturing the same, and use thereof. In the poly(arylene ether) copolymer having the ion exchange group according to the present invention, physical characteristics, ion exchanging ability, metal ion adsorption ability and a proccessability are excellent, and thus the copolymer can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal, air purification, catalysts, water treatment, medical fields and separating of proteins. | 01-19-2012 |
20120142790 | POLY(ARYLENE ETHER) COPOLYMER HAVING CATION-EXCHANGE GROUP, PROCESS OF MANUFACTURING THE SAME, AND USE THEREOF - The present invention relates to a poly(arylene ether) copolymer having a cation exchange group, a method for manufacturing the same, and use thereof. The poly(arylene ether) copolymer having the cation exchange group according to the present invention has excellent physical characteristics, ion exchanging capacity, metal ion adsorption capacity and a processability, and thus can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal, air purification, catalysts, water treatment, medical fields and separating of proteins. | 06-07-2012 |
20120309857 | POLYARYLENE-BASED POLYMER, PREPARATION METHOD FOR THE SAME, AND POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL USING THE POLYMER - Disclosed herein is a polyarylene-based polymer, a preparation method for the same, and a polymer electrolyte membrane for fuel cell using the polymer. The polyarylene-based polymer, which is designed to have long side chains of a hydrophilic moiety and dense sulfonic acid groups, may improve the formation of ion channels when fabricating a polymer membrane and also ensures good chemical stability of the hydrophilic moiety and good dimensional stability against water. Further, the preparation method of the present invention simplifies production of the polymer, and polymer electrolyte membranes using the polymer exhibits improved properties as a polymer electrolyte membrane for a fuel cell, such as high proton conductivity, even under an atmosphere of low water uptake, and good dimensional stability against a long-term exposure to water. | 12-06-2012 |
20130205309 | PHOTODECTOR UNIT, OPTICAL PICKUP INCLUDING THE PHOTODECTOR UNIT, AND OPTICAL SYSTEM INCLUDING THE OPTICAL PICKUP - Provided is a photodetector unit including a photodetector integrated circuit (PDIC). The photodetector may reduce a height of a conventional optical pickup by improving the input/output terminals of the PDIC and accordingly improving the contact points and wires of a corresponding printed circuit board (PCB). | 08-08-2013 |
20140056118 | LIGHT DETECTING ELEMENT, AND OPTICAL PICK-UP DEVICE AND OPTICAL DISC DRIVE INCLUDING THE LIGHT DETECTING ELEMENT - Provided are a light detecting element, and an optical pick-up device and an optical disc drive including the light detecting element. The light detecting element includes a terminal resistance unit that is provided between an amplification unit and an output port to limit an electric current of the output signal. | 02-27-2014 |
20140329162 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - A membrane electrode assembly for a fuel cell is provided that includes a membrane, electrodes on both sides of the membrane, respectively, and sub-gaskets bonded to the edges of the electrodes, respectively. In particular, the sub-gasket may be bonded to the membrane at a predetermined distance from the edge of the electrode. | 11-06-2014 |
Patent application number | Description | Published |
20130120648 | CAMERA MODULE - A camera module is disclosed, the camera module including a lens barrel including more than one sheet of lens receiving an optical image of an object, an actuator moving the lens barrel, a PCB (Printed Circuit Board) formed with an image sensor at a bottom surface of the lens barrel for converting the optical image to an electrical signal, and a holder for supporting the lens barrel and the actuator and formed with a terminal electrically connected to the actuator, wherein an electrical contact point between the actuator and the terminal is formed with two or more tiers of coated layers. | 05-16-2013 |
20130231436 | REFLECTIVE BODY AND A LIGHT-EMITTING DEVICE EQUIPPED WITH THE SAME - A reflector and a light-emitting device including the same. The reflector includes a wholly aromatic liquid crystalline polyester resin compound that includes a repeating unit derived from a hydroxybenzoic acid and a repeating unit derived from a hydroxynaphthoic acid, but does not include a repeating unit derived from an aromatic dicarboxylic acid, wherein the wholly aromatic liquid crystalline polyester resin compound further includes a white inorganic filler. | 09-05-2013 |
20130269304 | FIBER WEB, PREPARATION METHOD THEREOF, AND FILTER INCLUDING FIBER WEB - Disclosed are a fiberweb, a preparation method thereof, and a filter including the fiberweb. The fiberweb includes a wholly aromatic liquid crystal polyester resin which includes a repeating unit induced from a hydroxybenzoic acid and a repeating unit induced from a hydroxynaphthoic acid, but does not include a repeating unit induced from an aromatic dicarboxylic acid. | 10-17-2013 |
20140028672 | METHOD AND APPARATUS FOR CORRECTING CENTRAL LINE - A method and apparatus are provided to correct a central line of a tubular object. The method and apparatus are configured to receive input information to move the central line so that at least a portion of the central line is located in the center of the tubular object. The method and apparatus are configured to fit a form of a region of the tubular object to ellipses when the input information is received. The region is formed by intersection points between a shape of the tubular object and a plane, and the plane comprises a predetermined number of points from among points of the central line. The method and apparatus are configured to correct a location of the central line using a central point of each of the fitted ellipses. | 01-30-2014 |
20140070150 | REFLECTOR AND LIGHT-EMITTING DEVICE COMPRISING THE SAME - A reflector and a light-emitting device including the same. The reflector includes a wholly aromatic liquid crystalline polyester amide resin compound that includes a repeating unit derived from a hydroxybenzoic acid, a repeating unit derived from a hydroxynaphthoic acid, and a repeating unit derived from an aminobenzoic acid, but does not include a repeating unit derived from an aromatic dicarboxylic acid, wherein the wholly aromatic liquid crystalline polyester amide resin compound further includes a white inorganic filler. | 03-13-2014 |
20140119625 | METHOD, APPARATUS, AND MEDICAL IMAGING SYSTEM FOR SEGMENTING IMAGE OF OBJECT FROM IMAGE OF ORGAN - A method, an apparatus, a computer readable recording medium, and a medical imaging system are provided for segmenting an image of an object from an image of an organ. The method includes: generating a reference model of the object by using a priori knowledge related to the object of the organ; determining whether the first image includes a first area in which a shape of the object is unidentified; and in response to determining that the first image excludes the first area, segmenting a second image of the object from the first image, and in response to determining that the first image includes the first area, estimating a progression direction of the first area from the reference model to segment the second image from the first image. | 05-01-2014 |
20140148690 | METHOD AND APPARATUS FOR MEDICAL IMAGE REGISTRATION - A method of medical image registration with respect to a volume of interest (VOI) and an apparatus for performing the method are provided. In one embodiment, the method includes obtaining a first medical image of a selected section of the VOI, from a first medical apparatus, detecting a sectional image corresponding to the selected section from second medical images previously captured of the VOI, based on an anatomical feature appearing in the first medical image, mapping virtual coordinate schemes of the first and second medical images to produce a mapped virtual coordinate scheme, based on the detected sectional image and the first medical image, and tracking a movement of a section of the VOI captured by the first medical apparatus in the second medical images by using a mapped virtual coordinate scheme. | 05-29-2014 |
20140212014 | METHOD AND APPARATUS FOR MEDICAL IMAGE REGISTRATION - Disclosed are a method and apparatus for registering images having different modalities. The medical image registration method includes performing, at an initial register, multi-modality registration of a reference image from a plurality of first images captured during a first breathing period and a second image; performing, at the initial register, single-modality registration of the reference image and each of the other first images; generating registration images between the plurality of first images and the second image based on the multi-modality registration and the single-modality registration; acquiring a third image captured after the first breathing period; and detecting an image corresponding to the third image from the registration images. | 07-31-2014 |
20140218359 | METHOD AND APPARATUS FOR REPRESENTING CHANGES IN SHAPE AND LOCATION OF ORGAN IN RESPIRATION CYCLE - Provided is a method of generating a model, the method including generating a first model representing a change in the location or the shape of the region of interest during the respiration cycle, using diagnostic images that are obtained at two points of time in the respiration cycle and that represent the region of interest; extracting shape information of one or more tissues included in the region of interest at a shape information extractor, using a 3D ultrasound image that is obtained at one point of time in the respiration cycle; determining a characteristic point of the 3D ultrasound image corresponding to a characteristic point of the first model by matching the first model with the extracted shape information; and generating a second model by updating the first model with the determined characteristic point. | 08-07-2014 |
20140233794 | METHOD, APPARATUS AND MEDICAL IMAGING SYSTEM FOR TRACKING MOTION OF ORGAN - A method of tracking motion of an organ, includes receiving organ shape data that includes a shape of an organ of an examinee at a moment of motion of the examinee, and loading first to Nth interpolation curves that represent spatiotemporal motion of respective organs of other examinees, the organs of the other examinees being the same type as the organ of the examinee. The method further includes estimating an interpolation curve that represents a spatiotemporal motion of the organ of the examinee based on the first to Nth interpolation curves and the organ shape data. | 08-21-2014 |
20140235998 | METHOD AND APPARATUS FOR PERFORMING REGISTRATION OF MEDICAL IMAGES - A method and apparatus for performing registration of medical images includes mapping a virtual coordinate system used by a first medical apparatus and a virtual coordinate system used by a second medical apparatus to one another. The coordinate systems are associated with a real-time medical image captured by the first medical apparatus and a three-dimensional (3D) medical image previously captured by the second medical apparatus, respectively. The method further includes detecting a position of a probe of the first medical apparatus from a coordinate system used by the second medical apparatus, based on a result of the mapping, determining a volume image corresponding to the detected position of the probe from the previously captured 3D medical image, and extracting from the determined volume image a cross-sectional image corresponding to the real-time medical image, where the real-time medical image changes according to a patient's physical movement. | 08-21-2014 |
20140316247 | METHOD, APPARATUS, AND SYSTEM FOR TRACKING DEFORMATION OF ORGAN DURING RESPIRATION CYCLE - A method and apparatus of tracking a change in a region of interest in an subject according to respiration are provided. For example, an apparatus embodiment may include a model selector configured to select a model from among models of a region of interest of an subject generated to indicate a change in a region of interest during a respiration cycle of the subject, a respiration signal obtainer configured to obtaining a respiration signal of the region of interest by using ultrasound images including the region of interest obtained during the respiration cycle of the subject, and an information obtainer configured to obtain information regarding the region of interest at a time when the ultrasound images are obtained, from the selected model, by using the obtained respiration signal. | 10-23-2014 |
20150301304 | CAMERA MODULE WITH FOREIGN OBJECTS INHIBITING STRUCTURE - A camera module is disclosed, the camera module including a lens barrel including more than one sheet of lens receiving an optical image of an object, an actuator moving the lens barrel, a PCB (Printed Circuit Board) formed with an image sensor at a bottom surface of the lens barrel for converting the optical image to an electrical signal, and a holder for supporting the lens barrel and the actuator and formed with a terminal electrically connected to the actuator, wherein an electrical contact point between the actuator and the terminal is formed with two or more tiers of coated layers. | 10-22-2015 |
Patent application number | Description | Published |
20100073903 | BACKLIGHT UNIT - Provided is a backlight unit including a plurality of light guide plates that each include a first side surface having a housing groove, an upper surface extending from an edge of the first side surface, a flat lower surface facing the upper surface, and a second side surface facing the first side surface of an adjacent light guide plate, and are disposed in parallel; a plurality of light source units that are disposed in the housing grooves of the respective light guide plates; and a bottom case that houses the light guide plates and the light source units. | 03-25-2010 |
20100111016 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKET DATA UNIT IN MOBILE COMMUNICATION SYSTEM - The present invention relates to a mobile communication system, and in particular, to a method and apparatus for transmitting and receiving a PDU including an Extension Bit field and a Length Indicator field in a UE or a Node B. A method for transmitting a PDU generated with more than two SDUs and a header having information on each SDU in a transmitter of a mobile communication system is provided. The method includes generating, in the header, a Length Indicator (LI) indicating an end point of each of remaining SDUs except for the last SDU and an Extension Bit indicating the presence/absence of another LI after each LI, and generating the header so that the LI succeeds the Extension Bit associated therewith; generating the PDU with the generated header and the SDUs; and transmitting the PDU. | 05-06-2010 |
20150049675 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKET DATA UNIT IN MOBILE COMMUNICATION SYSTEM - Methods and apparatuses are provided for transmitting and receiving a Packet Data Unit (PDU) in a mobile communication system. The PDU, including a header and at least one data field, is generated. The PDU is transmitted. The header includes a length indicator (LI) field and an extension bit field. The LI field indicates a length of a corresponding data field. The extension bit field indicates whether a data field follows or a set of an extension bit field and an LI field follows. The extension bit field is placed prior to the LI field in the set of the extension bit field and the LI field. An LI field is present for every data field except a last data field. | 02-19-2015 |
Patent application number | Description | Published |
20120007676 | DRIVE AMPLIFIER - A drive amplifier having improved linearity while being characterized by low current consumption. The drive amplifier includes first and second transistors having a gate to which first and second differential Radio Frequency (RF) voltages are respectively input; a third transistor which has a drain connected to a drain of the second transistor and a source connected to the gate of the first transistor, and a drain-source current which increases with an increase in the second differential RF voltage; and a fourth transistor which has a drain connected to a drain of the first transistor and a source connected to the gate of the second transistor, and a drain-source current which increases with an increase in the first differential RF voltage. | 01-12-2012 |
20120008705 | APPARATUS AND METHOD FOR COMPENSATING FOR IQ MISMATCH IN MOBILE COMMUNICATION SYSTEM - An apparatus and a method for increasing Error Vector Magnitude (EVM) performance representing quality of transmission signal are provided. The apparatus and the method suppress an image frequency component generated due to mismatch of IQ channels in order to transmit/receive a large amount of data without distortion in 4 | 01-12-2012 |
20140161208 | APPARATUS AND METHOD FOR DC OFFSET CALIBRATION IN SIGNAL TRANSMISSION DEVICE - An apparatus and a method for Direct Current (DC) offset calibration in a signal transmission device of a wireless communication system are provided. The apparatus includes a first DC calibration unit for removing a DC offset from a signal, which is output from a Current-to-Voltage Converter (IVC), by using a first DC calibration value, a Variable Gain Amplifier (VGA) for amplifying the signal output from the IVC, a second DC calibration unit for removing a DC offset from a signal output from the VGA by using a second DC calibration value, a Low Pass Filter (LPF) for filtering the signal output from the VGA, a third DC calibration unit for removing a DC offset from a signal output from the LPF by using a third DC calibration value, and a controller for determining the first DC calibration value, the second DC calibration value and the third DC calibration value. | 06-12-2014 |
20150118979 | APPARATUS AND METHOD FOR CONTROLLING SIGNAL GAIN IN WIRELESS TRANSMITTER - To control a gain of a transmit signal in a wireless transmitter, the wireless transmitter is provided. The wireless transmitter includes a baseband processor for processing an analog baseband transmit signal, and a Radio Frequency (RF) signal processor including a plurality of mixers. The plurality of mixers are configured to share an output signal of the baseband processor as an input. | 04-30-2015 |
20150130514 | APPARATUS AND METHOD FOR COMPENSATING FOR PROCESS VARIATION IN ELECTRONIC DEVICE - An electronic device for compensating for process variation is provided. The electronic device includes a first circuit configured to consume a current supplied to the first circuit, and a second circuit configured to control the current supplied to the first circuit. The second circuit is configured to generate a signal for controlling the current supplied to the circuit based on a frequency of a pulse signal generated using a second component that is of a same kind as a first component of the first circuit. | 05-14-2015 |
20150130542 | DEVICE AND METHOD FOR CONTROLLING OUTPUT AMPLITUDE OF VOLTAGE CONTROL OSCILLATOR IN ELECTRONIC DEVICE - An electronic device and a method for control of an output amplitude of a Voltage Control Oscillator (VCO) in the electronic device is provided. The electronic device includes a first circuit configured to output a frequency signal corresponding to a control voltage, and a second circuit configured to generate control bits that control an amplitude of the frequency signal based on a comparison result between a peak voltage of the frequency signal and a reference voltage of the frequency signal. | 05-14-2015 |