Jeon, Gwangju
Eun Kyoung Jeon, Gwangju KR
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20140081126 | APPARATUS FOR GUIDING ENDOSCOPE AND METHOD THEREFOR - An apparatus for guiding an endoscope and a method thereof are provided. According to an embodiment of the present invention, there is provided an endoscope guide method including: acquiring tomogram information of tissues based on an optical interference signal according to an optical signal; calculating a distance between an endoscope and the tissues based on the tomogram information; and controlling the location of the endoscope according to the result of comparison between the distance between the endoscope and the tissues and a predetermined reference distance. Accordingly, it is possible to accurately measure the distance between an endoscope and tissues. | 03-20-2014 |
20140126062 | SUNLIGHT COUPLER AND SUNLIGHT SYSTEM COMPRISING THEREOF - A sunlight coupler is provided, the sunlight coupler may include a beam integrator configured to concentrate beams of sunlight, which may be incident from a plurality of optical fibers, in the form of a single beam, a triplet lens focusing the concentrated beam on a specific position, and an optical fiber provided for transmission of the focused sunlight. The optical fiber may be a thermally-diffusion expand core fiber. | 05-08-2014 |
20150043166 | OPTICAL TRANSMITTER MODULE WITH TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING THE SAME - The optical transmitter module may include a thermal-electric cooler comprising at least one metal pattern formed on a side of a cooling plate temperature of which is controlled by thermo-electric cooling elements, a laser diode installed in one of the at least one metal pattern, and a monitor photo diode which is installed in another one of the at least one metal pattern and monitors change of light signals emitted from the laser diode. Therefore, since elements are located on the same side of the cooling plate, the optical transmitter module may have a simple structure and an advantage that light signals emitted from the laser diode can be directly coupled to the optical fiber without optical path conversions. Also, since the laser diode is installed with a small gap from thermal-electric elements, the temperature control characteristics of the thermal-electric cooler can be enhanced. | 02-12-2015 |
20150102802 | OPTICAL FIBER CURRENT SENSOR - An optical fiber current sensor includes a transmitter optical subassembly (TOSA) that is formed in a package of a linear polarizer that applies light from a light source to a sensor coil that is formed with an optical fiber by linearly polarizing, a polarization beam splitter that separates light that is reflected from the sensor coil according to polarization, and a receiver optical subassembly (ROSA) that is formed in a package together with first and second photodetectors that detect separated light according to polarization. | 04-16-2015 |
20150159997 | WAVELENGTH-SELECTABLE COATING THICKNESS MEASUREMENT APPARATUS - Provided is an apparatus that measures a thickness of a coating by selecting a wavelength of a laser based on a color of the coating using a contactless method using a photoacoustic effect and an interferometer, the apparatus including a pulsed laser source to irradiate a pulsed laser beam toward the coating, a continuous wave (CW) laser source to irradiate a CW laser beam toward the coating, a detector to detect an optical interference signal corresponding to the CW laser beam, and a signal processor to process the optical interference signal to calculate a thickness of the coating. | 06-11-2015 |
20150214305 | METHOD OF FABRICATING GRAPHENE NANO DEVICE - Provided is a method of fabricating a graphene nano device. The method includes forming a first metal mask pattern on a substrate on which a graphene layer is formed, and forming a graphene pattern by performing an etching process on the graphene layer using the first metal mask pattern as an etching mask. The forming of the first metal mask pattern includes forming a first adhesive layer on the graphene layer, disposing the first metal mask pattern prepared in advance on the first adhesive layer, and heating the first adhesive layer to attach the first metal mask pattern on the substrate. | 07-30-2015 |
20160097518 | ASTRAL LAMP DEVICE HAVING DETACHABLE AND ANGLE-CONTROLLABLE LED MODULE BLOCKS AND METHOD OF SETTING THE SAME - Disclosed herein are an astral lamp device having detachable and angle-controllable LED module blocks and a method of setting the same. The astral lamp device having detachable and angle-controllable LED module blocks, includes a plurality of LED module blocks having one end attached to and disposed on a central frame; and an angle control part configured to control an angle of the LED module block attached to the central frame. | 04-07-2016 |
Eunkyung Jeon, Gwangju KR
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20150059579 | GAS SEPARATION MEMBRANE FOR CARBON DIOXIDE AND PREPARATION METHOD THEREOF - The present disclosure relates to a gas separation membrane for filtration of carbon dioxide and a preparation method thereof. The gas separation membrane for filtration of carbon dioxide according to the present disclosure exhibits superior performance in rejecting carbon dioxide selectively from mixture gas. It is a separation membrane system leaving carbon dioxide and passing nitrogen, unlike the conventional systems which leave nitrogen and pass carbon dioxide. In addition, since compressed, highly-concentrated carbon dioxide can be obtained, the consumption of energy required for carbon dioxide storage following separation can be reduced. Furthermore, the separation membrane of the present disclosure, which is environment-friendly and consumes less energy, allows highly efficient separation and is easily applicable to the separation of carbon dioxide not only from the mixture of carbon dioxide with nitrogen but also from other mixtures of carbon dioxide with, for example, CO | 03-05-2015 |
Eun-Kyung Jeon, Gwangju KR
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20150375175 | METHOD OF FABRICATING NANOPOROUS ORGANIC-INORGANIC HYBIRD FILM AND NANOPOROUS ORGANIC-INORGANIC HYBIRD FILM MANUFACTURED BY THE METHOD AND NANOPOROUS MEMBRANE EMPLOYING THE NANOPOROUS ORGANIC-INORGANIC HYBIRD FILM - Disclosed herein is a method of preparing a nanoporous organic-inorganic hybrid film. The method includes preparing an organic sol including a compound having amino groups, a compound having isocyanate groups, and a solvent; adding an inorganic oxide precursor to the organic sol to form a mixed solution; and subjecting the mixed solution to heat treatment to form an organic molecule network structure in which the organic sol is gelled, and an inorganic molecule network structure located along a surface of the organic molecule network structure. | 12-31-2015 |
Hyeon Jong Jeon, Gwangju KR
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20160079623 | METHOD FOR PREPARING SOLID ELECTROLYTE FOR SOLID OXIDE FUEL CELL, AND METHOD FOR PREPARING UNIT CELL - Provided are a method for preparing a solid electrolyte material for a cheap solid oxide fuel cell capable of implementing high ion conductivity at a medium-low temperature of 800° C. or lower, and a method for preparing a unit cell of a solid oxide fuel cell by using the same. The method for preparing a solid electrolyte material for a solid oxide fuel cell comprises: providing a starting material comprising ytterbium nitrate [Yb(NO | 03-17-2016 |
Kwang-Myung Jeon, Gwangju KR
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20130262098 | VOICE ANALYSIS APPARATUS, VOICE SYNTHESIS APPARATUS, VOICE ANALYSIS SYNTHESIS SYSTEM - A speech analysis apparatus is provided. An F0 extraction part extracts a pitch value from speech information. A spectrum extraction part extracts spectrum information from the speech information. An MVF extraction part extract a maximum voiced frequency and allows boundary information for respectively filtering a harmonic component and a non-harmonic component to be obtained. According to the speech analysis apparatus, speech synthesis apparatus, and speech analysis synthesis system of the present invention, speech that is closer to the original voice and is more natural may be synthesized. Also, speech may be represented with less data capacity. | 10-03-2013 |
20130262129 | METHOD AND APPARATUS FOR AUDIO ENCODING FOR NOISE REDUCTION - A method and apparatus for audio signal encoding for noise reduction are provided. The method includes: receiving an audio signal and performing modified discrete cosine transformation (MDCT) on the audio signal to convert the audio signal into a long block or a short block; reducing noise included in the audio signal in accordance with the long block or the short block; and performing advanced audio coding (AAC) on the long block or the short block in which noise is reduced. | 10-03-2013 |
Moongu Jeon, Gwangju KR
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20150088797 | SYNAPSE CIRCUITS FOR CONNECTING NEURON CIRCUITS, UNIT CELLS COMPOSING NEUROMORPHIC CIRCUIT, AND NEUROMORPHIC CIRCUITS - Example embodiments relate to a synapse circuit connecting neuron circuits by using two memristors so as to enhance symmetry, a neuromorphic circuit using the same, and a unit cell composing the neuromorphic circuit. | 03-26-2015 |
Moon Gu Jeon, Gwangju KR
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20150154469 | PATTERN RECOGNITION METHOD AND APPARATUS FOR THE SAME - The present invention relates to a pattern recognition method and a pattern recognition apparatus for the same. According to the present invention, a pattern recognition method comprises: receiving data of a recognition object having a pattern; and recognizing the pattern using an electronic device having a synapse characteristic including a plurality of RRAMs (Resistance Random Access Memories), wherein each RRAM includes a variable resistance layer and has multiple memory states depending on variations in resistance of the variable resistance layer. | 06-04-2015 |
20160004964 | NEUROMORPHIC SYSTEM AND METHOD FOR OPERATING THE SAME - A neuromorphic system includes: an unsupervised learning hardware device configured to perform learning in an unsupervised manner, the unsupervised learning hardware device performing grouping on input signals; and a supervised learning hardware device configured to perform learning in a supervised manner with labeled values, the supervised learning hardware device performing clustering on input signals. | 01-07-2016 |
Nam Joong Jeon, Gwangju KR
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20150311440 | HOLE-TRANSPORTING MATERIAL FOR INORGANIC/ORGANIC HYBRID PEROVSKITE SOLAR CELLS - Provided is a hole-transporting compound having a novel structure, and more particularly, a hole-transporting compound for an inorganic/organic hybrid perovskite solar cell. An inorganic/organic hybrid perovskite-based solar cell using the hole-transporting compound according to the present invention has significantly high power generation efficiency. | 10-29-2015 |
Sang Cheon Jeon, Gwangju KR
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20140026338 | AUTONOMOUS CLEANING DEVICE - An autonomous cleaning device that may reduce noise caused by friction with a floor includes: a main body having an opening; a brush unit that is rotatably disposed in the opening of the main body; and a blade assembly that guides introduction of dust swept up by the brush unit, the blade assembly including: a blade that guides dust toward an inner side of the main body; a support member that is coupled to the blade so as to support the blade and that has one side in which a coupling groove is formed; and an insertion member that is inserted into the coupling groove of the support member. The autonomous cleaning device can prevent noise from occurring due to abnormal contact between the blade and the floor while the autonomous cleaning device travels. | 01-30-2014 |
Seong Ran Jeon, Gwangju KR
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20120319081 | MULTI-LUMINOUS ELEMENT AND METHOD FOR MANUFACTURING SAME - The present invention relates to a multi-luminous element and a method for manufacturing the same. The present invention provides the multi-luminous element comprising: a buffer layer disposed on a substrate; a first type semiconductor layer disposed on the buffer layer; a first active layer which is disposed on the first type semiconductor layer and is patterned to expose a part of the first type semiconductor layer; a second active layer disposed on the first type semiconductor layer which is exposed by the first active layer; and a second type semiconductor layer disposed on the first active layer and the second active layer, the first and second active layers being repeatedly disposed in the horizontal direction, and the method for manufacturing the same. | 12-20-2012 |
20140246649 | MULTI-LUMINOUS ELEMENT AND METHOD FOR MANUFACTURING SAME - The present invention relates to a multi-luminous element and a method for manufacturing the same. The present invention provides the multi-luminous element comprising: a buffer layer disposed on a substrate; a first type semiconductor layer disposed on the buffer layer; a first active layer which is disposed on the first type semiconductor layer and is patterned to expose a part of the first type semiconductor layer; a second active layer disposed on the first type semiconductor layer which is exposed by the first active layer; and a second type semiconductor layer disposed on the first active layer and the second active layer, the first and second active layers being repeatedly disposed in the horizontal direction, and the method for manufacturing the same. The multi-luminous element according to the present invention reduces loss of light emitting efficiency and can generate multi-wavelength light by repeatedly disposing the first and second active layers in the horizontal direction. | 09-04-2014 |
20150263225 | DEVICES HAVING NITRIDE QUANTUM DOT AND METHODS OF MANUFACTURING THE SAME - Devices having nitride quantum dots and methods of manufacturing the same are provided. The device includes a nitride group material substrate, a plurality of nanorods that are formed on the nitride group material layer and are separated from each other, and a nitride quantum dot on each of the nanorods. A pyramid-shaped layer may be further formed between each of the nanorods and the nitride quantum dot. The nanorods and the nitride quantum dot are covered by an upper contact layer. A plurality of nitride quantum dots may be formed on each of the nanorods and the respective nitride quantum dots may have different sizes. | 09-17-2015 |
Sie-Wook Jeon, Gwangju KR
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20130234274 | LIGHT EMITTING APPARATUS - There is provided a light emitting apparatus including: at least one pair of lead frames; a light emitting device electrically connected to the lead frames to emit ultraviolet rays; a body including a side wall surrounding the light emitting device, and a groove portion formed in an upper surface of the side wall to receive an adhesive; and a lens part disposed above the light emitting device and fixed to the upper surface of the side wall of the body by the adhesive. | 09-12-2013 |
20130266321 | SENSING APPARATUS - A sensing apparatus includes: a broadband optical source; a first pseudorandom number generator generating a first pseudorandom number code string to modulate the broadband optical source; at least one sensor reflecting an output of the first pseudorandom number generator at a wavelength corresponding to a center wavelength thereof when the output of the first pseudorandom number generator is inputted; a wavelength-time converter converting an output of the sensor by wavelength-time conversion; a second pseudorandom number generator generating a second pseudorandom number code string which is different in frequency from and is the same in bit length and code string as the first pseudorandom number code string; a mixer mixing an output signal of the wavelength-time converter with an output signal of the second pseudorandom number generator; and an integrator integrating an output of the mixer. | 10-10-2013 |
Woo-Chul Jeon, Gwangju KR
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20130216336 | AUTOMATIC CARRIER TRANSFER FOR TRANSFERRING A SUBSTRATE CARRIER IN A SEMICONDUCTOR MANUFACTURING POST-PROCESS AND METHOD OF TRANSFERRING THE SUBSTRATE CARRIER USING THE SAME - A carrier transfer for automatically transferring a substrate carrier includes a gripper detachably coupled to the substrate carrier, the substrate carrier including a plurality of substrates and at least one open gate through which the plurality of substrates are loaded into or unloaded from the substrate carrier. The gripper includes a gate blocking unit secured to the gripper and configured to shift to a blocking position, the blocking position being a position of the gate blocking unit that partially blocks the gate to prevent the plurality of substrates from being separated from the substrate carrier during the automatic transferring of the substrate carrier. | 08-22-2013 |