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Hyuk Kim
Hyuk Kim, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100297519 | CATHODE FOR FUEL CELL HAVING TWO KINDS OF WATER-REPELLENCY AND METHOD OF PREPARING THE SAME AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING THE SAME - A cathode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the cathode has two portions with different water-repelling properties, and a portion of the catalyst layer that does not face a channel has a higher water-repelling property than a portion that faces a channel. This cathode controls water-repelling property of the catalyst layer differently according to locations, so it is possible to keep an amount of moisture in an electrode in a suitable way and to restrain generation of flooding, thereby improving the performance of the cell. | 11-25-2010 |
| 20100304269 | Electrode For Fuel Cell And Method Of Preparing The Same And Membrane Electrode Assembly And Fuel Cell Comprising The Same - The present invention relates to an electrode for a fuel cell including a catalyst layer that includes a catalyst portion containing a plurality of first catalyst particles dispersed in an ionomer binder resin; and an ionomer portion containing a plurality of second catalyst particles dispersed in an ionomer binder resin, and having a lower concentration of catalyst particles than the catalyst portion, wherein the ionomer portion has a shape of a wall or plural pillars in the catalyst portion. The electrode for a fuel cell according to the present invention has a separate ionomer portion in the catalyst layer, and thus has excellent ion conductivity in an electrode layer and the remarkably improved reaction surface area to enhance the performance of the fuel cell. | 12-02-2010 |
| 20110020724 | ELECTRODE FOR FUEL CELL HAVING TWO KINDS OF HYDROPHILICITY AND METHOD FOR PREPARING THE SAME AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING THE SAME - An electrode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the electrode has two portions with different hydrophilicities. A portion of the catalyst layer that faces a channel has a higher hydrophilicity than a portion that does not face a channel. This electrode may control hydrophilicity of the catalyst layer differently according to locations, so it is possible to keep an amount of moisture in an electrode in a suitable way, thereby improving the performance of the cell. | 01-27-2011 |
| 20110029825 | APPARATUS AND METHOD FOR SYMBOL ERROR CORRECTABLE MODULATION AND DEMODULATION USING FREQUENCY SELECTIVE BASEBAND - Provided are symbol-error-correctable modulation and demodulation methods and apparatuses using a frequency selective baseband. The symbol-error-correctable frequency modulation method using a frequency selective baseband, includes: generating a plurality of subgroups by dividing 2N (N is a real number) spread codes or orthogonal codes used for frequency spreading into 2M (M| 02-03-2011 | |
| 20110154149 | PARITY GENERATING APPARATUS AND MAP APPARATUS FOR TURBO DECODING - An apparatus for generating a parity bit for turbo decoding, and a MAP (Maximum A Posteriori) apparatus are provided. The apparatus for generating a parity bit for turbo decoding includes: a index converter calculating forward and reverse state matrices with respect to a parity bit by maintaining or changing the relationship between the forward and reverse state matrices with respect to information bits and input symbols according to an encoder state; and a parity calculation unit calculating a parity bit by using the forward and reverse state matrices calculated by the parity state matric calculation unit. | 06-23-2011 |
| 20110189575 | METHOD FOR MANUFACTURING POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE MEMBRANE FUEL CELL - Provided are a method for manufacturing a polymer electrolyte membrane for a fuel cell, a membrane electrode assembly and a polymer electrolyte membrane fuel cell. The manufacturing method includes (S | 08-04-2011 |
| 20110200907 | ION CONDUCTIVE RESIN FIBER, ION CONDUCTIVE HYBRID MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL - Provided are an ion conductive resin fiber, an ion conductive hybrid membrane, a membrane electrode assembly and a fuel cell. The ion conductive resin fiber comprises an inner layer including an ion conductive resin; and an outer layer including an ion conductive resin having larger EW than the ion conductive resin of the inner layer, and surrounding the inner layer. The ion conductive resin fiber and the ion conductive hybrid membrane are excellent in ion conductivity, polar solvent stability and dimensional stability under low humidity conditions. The fuel cell manufactured using the same has advantages of stable operation and management of a system at ease, removal or reduction of components related to water management, and even in case of low relative humidity, operation at high temperature of 80° C. or higher. | 08-18-2011 |
| 20120089882 | PACKET COMBINING DEVICE AND METHOD FOR COMMUNICATION SYSTEM USING HYBRID AUTOMATIC REPEAT REQUEST - A packet combining device for a communication system using hybrid automatic repeat request (HARQ) includes: a HARQ buffer; a combiner configured to combine data which is previously received and stored in the HARQ buffer with newly-received data; and a channel decoder configured to attempt channel decoding by using the combined received data provided from the combiner and provide one or more of log likelihood ratios (LLRs) computed for a systematic bit and a parity bit of the combined received data to the combiner such that the one or more LLRs are combined with the data used for channel decoding. | 04-12-2012 |
Hyuk Kim, Daejon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100040114 | INTRA-BODY COMMUNICATION SYSTEM FOR HIGH-SPEED DATA TRANSMISSION - Provided is an intra-body communication system which enables high-speed data transmission while limiting the frequency band of a signal being transmitted through a human body to a frequency range (e.g., 30-40 MHz) where the human body can maintain waveguide properties and enables stable intra-body communication by minimizing interference by other users or other electronic devices. A transceiver of the intra-body communication system for high-speed data transmission includes: a source encoder for encoding source information to digital transmission data; a channel error prevention unit for inserting a redundant bit to the encoded transmission data; a mapper for symbolizing the transmission data outputted from the channel error prevention unit; a spreader for performing spread spectrum on the symbolized transmission data in a frequency domain; and a pulse shaping and modulator for generating a baseband signal with a band range limited to a frequency range where the human body retains waveguide properties. | 02-18-2010 |
| 20100246643 | SYSTEM AND METHOD FOR HUMAN BODY COMMUNICATION USING LIMITED PASSBAND - Provided are a system and method for human body communication using a limited passband. The system includes a transmission frame generating unit for human body communication which generates a transmission frame for human body communication based on data information including user identification (ID) and data scrambled into an orthogonal code generated by the user ID; a symbol mapping unit for symbolizing the generated transmission frame for human body communication according to a predetermined modulating method; a spreading unit for spreading the symbol outputted in the symbol mapping unit; a waveform generating unit for generating a baseband signal whose band is limited to a predetermined range with respect to the data spread in the spreading unit; and a middle band transmitting unit for modulating the baseband signal into a predetermined limited passband signal. | 09-30-2010 |
Hyuk Kim, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090291609 | Method of manufacturing plasma display device and plasma display device made by this method - A method of manufacturing a plasma display device and a plasma display device made by this method are taught. In the plasma display device, the adhesion rate between a graphite layer and a plasma display panel is increased, therefore, the performance of the heat dissipation may be enhanced, the noises may be reduced, and the afterimages may be prevented, and the procedural steps of manufacture and the costs of making the graphite layer may be reduced. The method contemplates a first panel preparing step performed by preparing a first panel; a graphite layer forming step performed by coating a liquid graphite material on the first panel using a coating apparatus, and hardening the coated liquid graphite; and a chassis base adhering step performed by adhering a chassis base on the first panel with the chassis base facing to the graphite layer disposed on the plasma display panel. | 11-26-2009 |
Hyuk Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090220841 | Membrane ELectrode Assembly Having Layer for Trapping Catalyst and Fuel Cell Employed With The Same - Disclosed herein are a membrane electrode assembly (MEA) for fuel cells, wherein the membrane electrode assembly has a porous membrane (a catalyst trapping layer) disposed at the opposite surface of a catalyst layer facing a polymer electrolyte membrane for preventing the loss of a catalyst, and a fuel cell including the same. The membrane electrode assembly has the effect of restraining the loss of the catalyst due to a liquid component, such as methanol, thereby improving the operating efficiency of the fuel cell. Especially, the membrane electrode assembly has the effect of minimizing the reduction in performance of the fuel cell due to the loss of the catalyst during the long-term operation. | 09-03-2009 |
Hyuk Kim, Seongnam-Si KR
Hyuk Kim, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080270711 | METHOD AND APPARATUS FOR DATA TRANSMISSION BETWEEN PROCESSORS USING MEMORY REMAPPING - Provided are a method and apparatus for efficiently transferring a massive amount of multimedia data between two processors. The apparatus includes a first local switch, which connects a virtual page of a first processor element to a shared memory page, a second local switch, which connects a virtual page of a second processor element to the shared memory page, a shared page switch, which connects a predetermined shared memory page of a shared physical memory to the first or second local switch, and a switch manager, which remaps a certain shared memory page of the shared physical memory that stores data of a task performed by the first processor element to the virtual page of the second processor element. Accordingly, since memory remapping is used, the massive amount of multimedia data can be transmitted by changing a method of mapping a memory, unlike a case when multimedia data is transmitted by using a memory bus. | 10-30-2008 |
Hyuk Kim, Suwon KR
| Patent application number | Description | Published |
|---|---|---|
| 20080225473 | PLASMA DISPLAY MODULE AND METHOD OF ADHERING AND SEPARATING PLASMA DISPLAY PANEL TO AND FROM CHASSIS - A plasma display module in which a chassis can be readily and quickly separated from a plasma display panel, and methods of attaching and detaching the plasma display panel to and from the chassis are disclosed. In one embodiment, the plasma display module includes a chassis that is disposed on an opposite side of the plasma display panel where an image is displayed and supports the plasma display panel, plates coupled to a surface of the chassis facing the plasma display panel, and a double-sided tape, wherein a surface of the double-sided tape is attached to a surface of the plasma display panel facing the chassis and the other surface of the double-sided tape is attached to each of the plates. | 09-18-2008 |
Hyuk Kim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080203880 | Plasma display device - The present invention relates to a plasma display panel device that includes a plasma display panel, a chassis base, and a heat-radiating medium disposed between the plasma display panel and the chassis base. The heat-radiating medium transfers heat generated from the plasma display panel into the chassis base. The heat-radiating medium is constructed to easily attach the chassis base to the plasma display panel, and to facilitate the separation of the chassis base from the plasma display panel. The heat-radiating medium further includes a first adhesive layer, a second adhesive layer, and a heat-radiating layer disposed between the first adhesive layer and the second adhesive layer. The heat-radiating medium can include a thermally conductive filler. | 08-28-2008 |
Hyuk Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110152318 | NOVEL COMPOUNDS, ISOMER THEREOF, OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF AS VANILLOID RECEPTOR ANTAGONIST AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME - This present invention relates to novel compounds, isomer thereof or pharmaceutically acceptable salts thereof as vanilloid receptor (Vanilloid Receptor 1; VR1; TRPV1) antagonist; and a pharmaceutical composition containing the same. The present invention provides a pharmaceutical composition for preventing or treating a disease such as pain, migraine, arthralgia, neuralgia, neuropathies, nerve injury, skin disorder, urinary bladder hypersensitiveness, irritable bowel syndrome, fecal urgency, a respiratory disorder, irritation of skin, eye or mucous membrane, stomach-duodenal ulcer, inflammatory diseases, ear disease, heart disease and so on. | 06-23-2011 |
Hyuk Kim, Siheung-Shi KR
| Patent application number | Description | Published |
|---|---|---|
| 20120084965 | TRANSMISSION MOUNT TYPE OF SIDE ASSEMBLING - A transmission mount type of side assembling includes a cylindrical insulator; a core having a plurality of longitudinal holes and inserted in the insulator; a side stopper having a support connected to one end of the core in contact with the inner side of the insulator and a protrusion protruding outside the insulator from the support; a cylindrical case accommodating the core, the side stopper, and the insulator; and a plurality of bolts that is longer than the case and inserted through holes in the core and the side stopper from a side to protrude outside the case, such that it can simplify the assembly process of fastening a transmission to a car body and reduce the manufacturing cost, without changing the existing manufacturing line, and ensure safety in assembly. | 04-12-2012 |