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Jung-Eun Lee

Jung Eun Lee, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100097440COMMUNICATION MODE SWITCHING METHOD AND APPARATUS FOR MOBILE TERMINAL - A communication mode switching method and apparatus for a mobile terminal is provided for responding, in voice call mode, to an incoming video call received for a video call rejection period set by the user. A video call establishment method between mobile terminals according to the present invention includes requesting, at a calling mobile terminal, a video call connection to a called mobile terminal; determining, at the called mobile terminal, whether the video call connection satisfies a video call rejection configuration; responding, when the video call connection satisfies the video call rejection configuration, to the calling mobile terminal in voice call mode; and establishing a video call connection in voice call mode between the calling mobile terminal operating in a video call mode and the called mobile terminal operating in voice call mode.04-22-2010

Jung Eun Lee, Seoul KR

Patent application numberDescriptionPublished
20080201368Method and System for Registering and Retrieving Production Information - In particular embodiments, an online trading system receives a product registration request including product description from a user terminal. Then, image information is extracted from the product description and a resource locator of the image information is generated. Then, an image list is generated based on the product description and the resource locator of the image information. The image list is sent to a search service DB server, where the image list is associated with a keyword relevant to the product description. Further, the image list may be sent to a UCC DB server. In this case, the UCC DB server generates a UCC containing the image list and sends a resource locator of the UCC to the search service DB server, which associates the resource locator of the UCC with a keyword relevant to the product description. If the search service server receives a search query including a keyword from a user terminal, the search service server searches a search service database to retrieve an image list or a resource locator of UCC containing an image list relevant to the keyword.08-21-2008
20090054231METHOD FOR PREPARING NANOSTRUCTURED VANADIA-TITANIA CATALYSTS USEFUL FOR DEGRADING CHLORINATED ORGANIC COMPOUNDS BY A FLAME SPRAY PROCESS - The present invention discloses methods for preparing vanadia-titania catalysts in the form of nanostructured particles, where vanadia particles are dispersed at the surface of a titanium dioxide carrier and attached thereto, which are useful for degrading chlorinated organic compounds. The method of the present invention has a number of advantages in that: (i) it is capable of producing vanadia-titania catalysts by a relatively simple process as compared to the conventional wet-type method; (ii) the size of the catalyst particles can be easily regulated; and (iii) the vanadia-titania catalysts prepared according to the method of the present invention exhibit excellent degradation efficiency with respect to chlorinated organic compounds even at a low temperature, compared to catalysts prepared by the wet-type method, due to their nanostructure that provides the catalysts with large reactive surface area and high physical stability.02-26-2009
20090123353SOLVOTHERMAL METHOD FOR PREPARING VANADIA-TITANIA CATALYST HAVING NANO STRUCTURE FOR DECOMPOSING CHLORINATED ORGANIC COMPOUNDS - The present invention relates to a method for preparing a vanadia-titania catalyst having a core-shell structure, which is highly active in decomposing chlorinated organic compounds such as dioxin present in the exhaust of an incinerator.05-14-2009
20100289267INTEGRATED POWER SYSTEM COMBINING TIDAL POWER GENERATION AND OCEAN CURRENT POWER GENERATION - An integrated power system combining tidal power generation and ocean current power generation comprises: constructing barrages across the sea to make up a lake; installing turbine structures of a tidal power plant and sluice structures of a tidal power dam for generating electricity by using the potential energy difference between seawaters caused by tides and ebbs; forming an ocean current power park in a lake side by installing a plurality of ocean current generators, for generating electricity by using the flow of the seawater discharged through turbine generators, in a rear lake side of the turbine structures of the tidal power plant; and forming an ocean current power park in a sea side by installing ocean current generators, for generating electricity by using the seawater with the fast speed discharged into the sea through sluice gates, in a rear sea side of the sluice structures of the tidal power dam.11-18-2010
20100327594COMPLEX OCEAN POWER SYSTEM COMBINING SLUICE POWER AND OCEAN CURRENT POWER - There is provided with a complex ocean power system combining ocean current power generation for generating electricity by forming a plurality of ocean current generators in front and rear of sluice structures of tidal power dams and sluice power generation for generating electricity by forming a plurality of ocean current generators in sluice conduits of the sluice structures, comprising: constructing barrages, which cross over the sea, to make up a lake; installing sluice structures of tidal power dams between the barrages 12-30-2010

Patent applications by Jung Eun Lee, Seoul KR

Jung Eun Lee, Jung-Gu KR

Patent application numberDescriptionPublished
20100121116PROCESS FOR PREPARING OCTAFLUOROCYCLOHEXADIENE - Disclosed herein is a process of preparing octafluorocyclohexadiene using hexafluorobenzene as a raw material. The hexafluorobenzene reacts with an activated fluorinating agent at 60-200° C. in an inert gas atmosphere. The activated fluorinating agent is prepared by mixing 1-10 wt % of cobalt difluoride with 90-99 wt % of other metal fluoride selected from the group of calcium fluoride, magnesium fluoride, aluminum fluoride, sodium fluoride and potassium fluoride. The mixture reacts with fluorine gas at 200-400° C.05-13-2010

Jung Eun Lee, Ulsan KR

Patent application numberDescriptionPublished
20100104497METHOD AND APPARATUS FOR PREPARING TUNGSTEN HEXAFLUORIDE USING A FLUIDIZED BED REACTOR - Disclosed herein are a method of preparing tungsten hexafluoride (WF04-29-2010
20100121117PROCESS FOR PREPARING DECAFLUOROCYCLOHEXENE - Disclosed herein is a process of preparing decafluorocyclohexene using hexafluorobenzene as a raw material. The hexafluorobenzene reacts with an activated fluorinating agent at 60-200° C. in an inert gas atmosphere. The activated fluorinating agent is prepared by mixing 1-50 wt % of cobalt difluoride with 50-99 wt % of other metal fluoride selected from calcium fluoride, magnesium fluoride, aluminum fluoride, sodium fluoride and potassium fluoride. The mixture reacts with fluorine gas at 200-400° C.05-13-2010

Jung-Eun Lee, Gumi-Si KR

Patent application numberDescriptionPublished
20110086592METHOD FOR DISPLAYING CALENDAR DATA - A method and portable terminal for displaying calendar data in by indicating an owner of the calendar data is provided. The method includes generating, by a portable terminal, calendar data where IDentification (ID) information of the portable terminal is stored, transmitting, by the portable terminal, the generated calendar data to a partner portable terminal, and indicating that the displayed calendar data is calendar data of a user of the portable terminal by using the ID information of the portable terminal, when displaying the transmitted calendar data in the partner portable terminal.04-14-2011

Jung-Eun Lee, Goyang-Si KR

Patent application numberDescriptionPublished
20110284056SOLAR CELL HAVING REDUCED LEAKAGE CURRENT AND METHOD OF MANUFACTURING THE SAME - A solar cell having a reduced leakage current and a method for fabricating the same are provided. The solar cell includes a plurality of solar cells, and a plurality of cell division parts dividing each of the plurality of solar cells. Each of the plurality of solar cells includes a transparent electrode layer formed on a substrate, a first photoelectric conversion layer formed on the transparent electrode layer, an interlayer formed on the first photoelectric conversion layer, first and second division parts in which the interlayer is substantially absent, and a second photoelectric conversion layer formed on the interlayer. The cell division parts are formed within their respective second division parts.11-24-2011

Jung-Eun Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20080309528Device for detecting voltage and analog-to-digital converter (ADC) using the same - A voltage detecting device and an analog-to-digital converter (ADC) using the same are provided. The voltage detecting device determines whether input voltage is higher than threshold voltage based on contact of a strip and a membrane. Therefore, high resolution and high speed operation is possible, but with consuming lower power, and an element capable of performing the function of resistor and comparator is provided. Furthermore, a more effective ADC may be provided using the above.12-18-2008
20090025043Multiband receiving apparatus and multiband transmitting apparatus using tunable filter - A multiband receiving apparatus and multiband transmitting apparatus using a tunable band is provided. The receiving apparatus includes a receiving unit for receiving radio frequency (RF) signals, and a tunable filter unit for selectively outputting the received RF signals. As a result, a complicated RF transceiving system is simplified, and time and cost for developing and designing a transceiving apparatus are reduced.01-22-2009
20090045985ANALOG TO DIGITAL CONVERTER USING ARRANGEMENT OF STATORS AND AD CONVERTING METHOD - An Analog to Digital (AD) converter and an AD converting method are provided. The AD converter includes one or more stators, and one or more actuators that move according to an input voltage. The digital output of the AD converter is determined based on an arrangement of the stators and the positions of the actuators relative to the stators. The AD converter can achieve high resolution and/or high speed with lower power consumption.02-19-2009
20090072868WIDEBAND TRACK-AND-HOLD AMPLIFIER - A wideband track-and-hold amplifier is provided. The wideband track-and-hold amplifier is provided in front of an analog-to-digital converter, receives and samples an analog signal, and transfers the sampled signal to the analog-to-digital converter, wherein an output load unit having an inductance component is connected to an input terminal of the analog-to-digital converter. Therefore, it is possible to compensate for a high capacitance component of an analog-to-digital converter, to increase the bandwidth of an output signal, and to improve system linearity.03-19-2009
20090073021CASCADE COMPARATOR AND CONTROL METHOD THEREOF - A cascade comparator and a control method thereof are provided. By applying multi-phase clock signals to a plurality of comparators when the plurality of comparators are cascaded together so that each comparator is regenerated before the preceding comparator is reset, a hold switch does not need to be provided between the comparators. Therefore, it is possible to reduce the size and parasitic components of a circuit, operate the circuit at a high speed, remove a glitch caused by any hold switch, and accordingly improve system linearity.03-19-2009
20090160490REFERENCE VOLTAGE GENERATOR OF ANALOG-TO-DIGITAL CONVERTER - A reference voltage generator, which is used in an analog-to-digital converter, minimizes influence of kickback noise by dividing a full scale reference voltage into a number of reference voltages using a ladder resistor unit, and applying the number of reference voltages to a number of comparators, and matches a reference common mode voltage to an input common mode voltage by forming a common feedback loop using another ladder resistor unit which is a replica of the ladder resistor unit. Therefore, since kickback noise is locally discharged by a decoupling capacitor connected to each ladder resistor and a peak value of the kickback noise is also reduced, it is possible to optimize the ladder resistor unit according to power consumption. Also, since the common feedback loop is formed as a replica of the ladder resistor unit, it is possible to match a reference common mode signal to an input common mode signal.06-25-2009
20110018751FOLDING ANALOG-TO-DIGITAL CONVERTER - A folding analog-to-digital converter including: a reference voltage generator, a track-and-hold circuit and a first pre-amplification circuit. The reference voltage generator generates a plurality of reference voltages. The track-and-hold circuit generates a sampling control signal having a voltage level lower than or equal to a level of a power supply voltage by maintaining an initial level of a boost capacitor voltage at a level lower than a level of a power supply voltage, and samples and holds an input voltage signal in response to the generated sampling control signal to generate a sampled signal. The first pre-amplification circuit amplifies each of voltage differences between the sampled signal and each of the plurality of reference voltages.01-27-2011

Patent applications by Jung-Eun Lee, Yongin-Si KR

Jung-Eun Lee, Daejeon KR

Patent application numberDescriptionPublished
20090312249TLR4 decoy receptor protein - The present application discloses a nucleic acid molecule encoding a fusion polypeptide capable of binding myeloid differentiation protein-2 (MD-2) polypeptide, which includes: a nucleotide sequence encoding an MD-2 polypeptide-binding portion of human toll-like receptor 4 (TLR4), a leucine-rich repeats (LRR) module, and a multimerizing component.12-17-2009

Jung-Eun Lee, Seongnam-Si KR

Patent application numberDescriptionPublished
20090195433MULTISTAGE AMPLIFIER AND A METHOD OF SETTLING THE MULTISTAGE AMPLIFIER - A method of settling an amplifier and a multistage amplifier are provided. To settle an amplifier, a plurality of clock signals are, respectively, applied to preset switches, each of which is placed between amplifiers connected in cascade, to open the preset switches sequentially, thereby settling the amplifiers in order.08-06-2009

Patent applications by Jung-Eun Lee, Seongnam-Si KR