Patent application number | Description | Published |
20140111201 | MAGNETIC RESONANCE IMAGING SYSTEM AND MAGNETIC RESONANCE IMAGING METHOD - A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes. | 04-24-2014 |
20140132261 | MAGNETIC RESONANCE IMAGING SYSTEM AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes. | 05-15-2014 |
20140132264 | MAGNETIC RESONANCE IMAGING SYSTEM AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes. | 05-15-2014 |
20140197833 | RADIO FREQUENCY (RF) COIL DEVICE, MAGNETIC RESONANCE APPARATUS EMPLOYING THE RF COIL DEVICE, AND METHOD OF OPERATING THE RF COIL DEVICE - a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable. | 07-17-2014 |
20140203805 | MAGNETIC RESONANCE IMAGING SYSTEM, DATA PROCESSING APPARATUS, AND METHOD FOR GENERATING MAGNETIC RESONANCE IMAGE - A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals. | 07-24-2014 |
20140210465 | MAGNETIC RESONANCE IMAGING (MRI) SYSTEM AND METHOD - Provided are apparatuses and methods for magnetic resonance imaging (MRI). The magnetic resonance imaging (MRI) method includes applying radio frequency (RF) pulses to an object in a magnetic field, the RF pulses having different frequency bands for each of at least two types of nucleus in the object; applying predetermined pulse sequences for each type of nucleus to the object; receiving magnetic resonance signals emitted by each nucleus in response to the RF pulses and the predetermined pulse sequences; and generating an image of the object based on the received magnetic resonance signals. | 07-31-2014 |
20140218033 | MAGNETIC RESONANCE IMAGING SYSTEM - A magnetic resonance imaging (MRI) system includes a main magnet configured to generate a static magnetic field, a gradient coil configured to generate a gradient magnetic field, and a radio frequency (RF) coil including a plurality of RF coils corresponding to volumes representing target regions of a subject. | 08-07-2014 |
20140221814 | MAGNETIC RESONANCE IMAGING AND POSITRON EMISSION TOMOGRAPHY SYSTEM - Provided is a magnetic resonance imaging and positron emission tomography (MRI-PET) system. The MRI-PET system includes a PET unit and a radiofrequency (RF) coil disposed within a gradient coil assembly. | 08-07-2014 |
20140232392 | APPARATUS, METHOD, AND MAGNETIC RESONANCE IMAGING SYSTEM FOR SHIMMING B1 MAGNETIC FIELD USING RF TRANSCEIVER COIL AND RF RECEIVER COIL - A method of shimming a magnetic field, includes applying radio frequency (RF) signals to an object, using a transceiver coil, and calibrating phase offsets of magnetic resonance signals acquired from the object through a receiver coil. The method further includes generating RF signals to be applied through the transceiver coil based on magnetic resonance signals acquired from the object through the transceiver coil and the calibrated magnetic resonance signals. | 08-21-2014 |
Patent application number | Description | Published |
20100200537 | Nano-patterned metal electrode for solid oxide fuel cell - The current invention provides a method of fabricating nano-pore structured dense Pt electrodes using particle masking and LB deposition methods. The pore size and TPB density are easily tunable by changing initial size of the masking silica particles and the spacing between them. Compared to the solid oxide fuel cell MEAs with porous Pt electrode deposited by conventional DC sputtering method, fuel cell MEAs with the nano structured electrodes fabricated according to the current invention showed thermal and microstructural stability and superior I-V performance at 400˜450° C. Also, EIS spectra showed significant improvement in the oxygen reduction kinetics by increasing the density of charge transfer sites at the TPB. A nearly linear scaling relationship between TPB density and fuel cell performance was also demonstrated. | 08-12-2010 |
20110076589 | Nano-patterned electrolytes in solid oxide fuel cells - A nano-patterned membrane electrode assembly (MEA) is provided, which includes an electrolyte membrane layer having a three-dimensional close-packed array of hexagonal-pyramids, a first porous electrode layer, disposed on a top surface of the electrolyte membrane layer that conforms to a top surface-shape of the three-dimensional close-packed array of hexagonal-pyramids, and a second porous electrode layer disposed on a bottom surface of said electrolyte membrane layer that conforms to a bottom surface-shape of the three-dimensional close-packed array of hexagonal-pyramids, where a freestanding nano-patterned MEA is provided. | 03-31-2011 |
20110262839 | PROTON CONDUCTING ELECTROLYTE MEMBRANES HAVING NANO-GRAIN YSZ AS PROTECTIVE LAYERS, AND MEMBRANE ELECTRODE ASSEMBLIES AND CERAMIC FUEL CELLS COMPRISING SAME - A proton conducting electrolyte membrane comprising a ceramic electrolyte layer including an inorganic proton conductor and a ceramic protective layer formed on at least one surface of the ceramic electrolyte layer and having proton conductivity; a membrane electrode assembly including the proton conducting electrolyte membrane; and a proton conducting ceramic fuel cell including the membrane electrode assembly. In the proton conducting electrolyte membrane, the ceramic protective layer may have an improved chemical bond with the ceramic electrolyte layer compared with a Pd metal protective layer, such that interlayer delamination may be lessened. Also, compared with a Pd metal protective layer, the ceramic protective layer is more appropriate for ceramic electrolytes such as BYZ and BYC that transmit protons or simultaneously transmit protons and oxygen ions used in a fuel cell operating at a temperature range of about 200 to about 500° C., for example, about 250 to about 500° C. | 10-27-2011 |
20120009501 | METHODS OF MANUFACTURING PROTON CONDUCTIVE SOLID OXIDE FUEL CELL AND PROTON CONDUCTIVE SOLID OXIDE FUEL CELLS MANUFACTURED BY USING THE METHODS - A method of manufacturing a proton conductive solid oxide fuel cell, the method including: forming a metallic mask layer having nanoholes on a first surface of a substrate; selectively etching the first surface of the substrate using the metallic mask layer; depositing a first membrane electrode assembly (MEA) member on the etched first surface of the substrate; etching an opposing second surface of the substrate; and forming second and third MEA members on the first MEA member. | 01-12-2012 |
Patent application number | Description | Published |
20120012520 | FORWARD OSMOSIS MEMBRANES AND METHOD FOR FABRICATING THE SAME - Disclosed are a forward osmosis membrane capable of ensuring resistance to microorganisms, improving water flux by forward osmosis, and minimizing reverse solute flux by maximizing tortuosity of the membrane, and a method for fabricating the same. The disclosed method for fabricating a forward osmosis membrane includes: preparing a filler material including a non-cellulose polymer, an organic solvent for dissolving the non-cellulose polymer, and a pore-forming agent for inducing pore formation in the non-cellulose polymer; coating the filler material on an osmosis membrane backing; and immersing the osmosis membrane backing coated with the filler material in water, so that the organic solvent and the pore-forming agent are evaporated, and pores are formed in the non-cellulose polymer as the non-cellulose polymer is solidified. | 01-19-2012 |
20120180656 | APPARATUS AND METHOD FOR POWER-FREE FILTRATION USING OSMOTIC PRESSURE - Provided is an apparatus and method for filtration using osmosis, which induce osmotic pressure and allow separation of pure fluid by using the reduced osmotic pressure as an energy source, and thus carry out filtration without any additional energy supply. | 07-19-2012 |
20140076809 | APPARATUS FOR RECOVERY OF MAGNETIC NANOPARTICLES AND APPARATUS AND METHOD FOR FORWARD OSMOSIS MEMBRANE FILTRATION USING THE SAME - The present disclosure relates to an apparatus for recovery of magnetic nanoparticles, which recovers and reuses magnetic nanoparticles in a forward osmosis membrane filtration process using magnetic nanoparticles as a draw solute so as to maintain a consistent concentration of the draw solution and separate and discharge high-purity fresh water, and apparatus and method for forward osmosis membrane filtration using the same. | 03-20-2014 |
Patent application number | Description | Published |
20100009666 | METHOD AND SYSTEM FOR PROVIDING MOBILE TELEPHONE CALL TERMINATION SERVICE OVER OPEN SEA - Disclosed herein are method and system for providing mobile telephone call termination service over open sea. The system includes a ticketing system which applies to a mobile communication service provider of a customer's mobile telephone for a call termination service; a call termination service provision system which transmits a call termination signal when a call connection to the mobile telephone number is requested, according to the call termination service application, and establishes a call connection; and an internal switching system which is mounted in the airplane or the ship, receives the call termination signal from the call termination service provision server, searches for the customer corresponding to the telephone number, notifies the customer that the call termination signal is received, and transmits/receives voice data to/from the call termination service provision system according to a call connection request of the customer. | 01-14-2010 |
20120128080 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING TIME BROADCASTING INFORMATION USING POWER LINE - In the present invention, time information is sent through a common power line in executing home automation devices or using various industrial equipments. In the power line broadcasting, a small amount of data, such as time information, is transmitted unidirectionally, and long-distance power line broadcasting can be possible using carriers of a low frequency band. time setting for various instruments is automatically performed in response to a power signal after a breakdown of electric current, making unnecessary a user's action to perform the time setting, and the existing power line can be used without change. | 05-24-2012 |