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Moon, Gwangju
Byongkwon Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20110106915 | CHANNEL SERVER, CHANNEL PREDICTION SERVER, TERMINAL, AND METHOD FOR FAST CHANNEL SWITCHING USING PLURALITY OF MULTICASTS INTEROPERATING WITH PROGRAM RATING PREDICTION - Provided are a channel server, a channel prediction server, a terminal, and a method for a fast channel switching. The channel server may generate at least one delay multicast stream from an original multicast stream by applying a different delay value based on channel preference information, and may determine an optimal multicast stream from the at least one delay multicast stream, and transmit, to a terminal, response information associated with the optimal multicast stream in response to query information associated with the original multicast stream received from the terminal. | 05-05-2011 |
Byong-Kwon Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20100218230 | SYSTEM AND METHOD FOR INTERACTIVE IPTV BROADCASTING SERVICE OF USER PARTICIPATION - There is provided a interactive IPTV broadcasting service system of user participation, the system including: a broadcast controller reserving time of IPTV broadcast channels to perform an IPTV broadcast according to the reserved time, notifying user participation to accept the user participation during the broadcasting service, and controlling so that video of the user making a request for participation in broadcasting is included in video of the broadcast in progress, and then broadcast, a plurality of clients each notifying the broadcast controller of the request of the corresponding user when the participation in broadcasting is requested according to a selection of the IPTV broadcasting user and generating video and audio traffic of the corresponding user, and a media server relaying the users' participation in broadcasting between the broadcast controller and the clients, and receiving and mixing video and audio traffic of a broadcaster and the video and audio traffic of each of the users making the requests for the participation in broadcasting. Accordingly, the broadcaster can synthesize videos of users into broadcast contents. | 08-26-2010 |
Chang Sun Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20100174988 | SYSTEM AND METHOD FOR PROVIDING VIRTUAL INTERFACE - A system and a method of the present invention output a virtual interface screen to the display using independent video output channel which is not directly involved with the operating system. An embodiment for realizing the virtual interface uses an overlay function and the other uses a miniport function. In the case of using the overlay function, an overlay area in the video memory is used as the independent video output channel for displaying the virtual interface screen. In the case of using the miniport function, a part of commonly used general area in the video memory is used as the independent video output channel for displaying the virtual interface screen. The virtual interface of the present invention outputs a virtual interface screen independently of the operating system using an overlay function or a miniport function thereby providing the virtual interface screen to a display screen without assignment of screen resources from the operating system. | 07-08-2010 |
Hee Sung Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20100156186 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING DUAL CONVERTERS AND SINGLE INVERTER AND METHOD OF CONTROLLING THE SAME - There is provided a photovoltaic and fuel cell hybrid generation system using dual converters and a single inverter and a method of controlling the same. A photovoltaic and fuel cell (PV-FC) hybrid generation system according to an aspect of the invention may include: a PV DC/DC converter unit converting a PV output voltage into a predetermined voltage; an FC DC/DC converter unit converting an FC output voltage into a predetermined voltage; a DC link unit commonly connecting an output terminal of the PV DC/DC converter unit and an output terminal of the FC DC/DC converter unit, and linking the converted PV output voltage from the PV DC/DC converter unit to the converted FC output voltage from the FC DC/DC converter unit to thereby generate a DC voltage; and a DC/AC inverter unit converting the DC voltage from the DC link unit into a predetermined AC voltage. | 06-24-2010 |
| 20110273130 | APPARATUS AND METHOD FOR CHARGING AND DISCHARGING PHOTOVOLTAIC PCS INTEGRATED BATTERY - There are provided an apparatus and method for charging and discharging a photovoltaic PCS integrated battery applied to a system that includes a first DC/DC converter | 11-10-2011 |
Hyun-Joon Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20100145381 | MULTI-RINGED SEPARATOR FOR TUBULAR ORGANS - A multi-ringed tubular organ separator includes a first arm having a handle at a rear end and a second arm having a handle at a rear end and combined with the first arm for rotation about a pivot into an opened position and a closed position. The first arm and the second arm are provided at their front ends with main clamps cooperating to define a main clamping zone in which a tubular organ and surrounding tissues of a mammal can be enclosed. The first arm and the second arm are further provided with sub clamps formed adjacent to the main clamps and cooperating to define a sub clamping zone in which the tubular organ and the surrounding tissues can be enclosed in isolation from the main clamping zone, the main clamping zone remaining in communication with the sub clamping zone through a throat. | 06-10-2010 |
Ji Hyung Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20110089452 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor light-emitting device is provided. The semiconductor light-emitting device may include a light-emitting structure, an electrode, a reflective layer, a conductive support member, and a channel layer. The light-emitting structure may include a plurality of compound semiconductor layers. The electrode may be disposed on the compound semiconductor layer. The reflective layer may be disposed under the compound semiconductor layer. The conductive support member may be disposed under the reflective layer. The channel layer may be disposed along a bottom edge of the compound semiconductor layer. | 04-21-2011 |
Joo Sung Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20100313912 | CLEANING APPARATUS AND DUST COLLECTING METHOD USING THE SAME - A cleaning apparatus and a dust collecting method using the same are provided. The cleaning apparatus includes a body, a brush unit rotatably provided at the body, a dust collecting unit to store contaminants, such as dust, swept by the brush unit, and a blowing unit to suction contaminants, such as dust, scattered by the brush unit and to move the suctioned contaminants to the dust collecting unit. | 12-16-2010 |
Seung-Hyeon Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20090250343 | Tyrosinase enzyme electrode and production method thereof - Disclosed are a tyrosinase enzyme electrode containing metal nanoparticles and its producing method. Metal nanoparticles are applied to a surface of a support with high chemical stability. Also, a buffer layer consisting of a self-assembled monolayer is formed on the metal nanoparticles. Such self-assembled monolayer is used to immobilize tyrosinase enzyme which was subsequently prepared. In other words, the self-assembled monolayer is arranged between the metal nanoparticles and the tyrosinase enzyme so as to immobilize the tyrosinase enzyme on the support. Introduction of the metal nanoparticles into the electrode contributes to improvement in detection limits of the tyrosinase enzyme electrode. In addition, the introduction of substrate induces the activation of enzyme. | 10-08-2009 |
Sucbei Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20090095911 | APPARATUS FOR MEASURING FLUORESCENCE LIFETIME - Disclosed is an apparatus for measuring a fluorescence lifetime. The apparatus for measuring the fluorescence lifetime comprises an excitation light generator that generates excitation light to be irradiated on a sample including fluorescence molecules; a fluorescence photon collecting unit that collects a plurality of fluorescence photons generated by irradiating the excitation light on the sample; a light sensor that converts the collected fluorescence photons into a fluorescence electrical signal; and a fluorescence lifetime signal processor that determines the fluorescence lifetime by calculating the average time of the fluorescence electrical signal with respect to a predetermined apparatus delay time. According to the above configuration, the present invention can accurately and precisely measure a fluorescence lifetime in a short measurement time by easy calculation. | 04-16-2009 |
Su-Young Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20120095123 | POROUS POLYUREA MATERIAL AND METHODS FOR PREPARING THE SAME - The present invention relates to a porous polyurea material and a method for preparing the same. The porous polyurea material may be prepared by polymerization and crosslinking of tetra(4-aminophenyl)methane with a monomer two to four isocyanate (—NCO) groups. The method includes: mixing an organic solution of tetra(4-aminophenyl)methane with an organic solution of a monomer having two to four isocyanate groups; reacting the mixed solution under a nitrogen atmosphere; and drying a semi-solid or solid material formed by gelation of the reaction solution, or adding the reaction solution to a non-solvent before gelation of the reaction solution to form a precipitate, followed by drying, or applying the reaction solution to a substrate before gelation of the reaction solution, followed by drying. According to the present invention, the introduction of the monomer having a tetrahedral structure can impart good chemical resistance, heat resistance and durability to the porous polyurea material. | 04-19-2012 |
Won Jin Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20090065708 | MOON GRID FOR TRANSMISSION ELECTRON MICROSCOPY TOMOGRAPHY AND METHOD OF FABRICATING THE SAME - Disclosed is a moon grid for transmission electron microscopy tomography, including a mesh sheet for protecting an upper objects and a support film formed on the mesh sheet and having nanoparticles dispersed throughout, in which the nanoparticles dispersed throughout the support film are used as reference points in the reconstruction of two-dimensional transmission electron microscopy images into a three-dimensional image, thus omitting a process of attaching markers in the course of preparation of a sample and easily forming reference points even on a sample to which it is impossible to attach markers. A method of fabricating such a moon grid is also provided. | 03-12-2009 |
Young-Jin Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20120086515 | RELAXATION OSCILLATOR - There is provided relaxation oscillator. The relaxation oscillator includes: a ramp wave generator generating ramp waves by a complementary operation between a first capacitor module charged and discharged according to a first switching signal and a second capacitor module charged and discharged according to a second switching signal; a negative feedback circuit unit generating a compensation voltage for compensating errors with reference voltage by being fedback with the ramp waves; and a switching signal generator generating the first switching signal controlling the charging and discharging of the first capacitor module and the second switching signal controlling the charging and discharging of the second capacitor module from the compensation voltage and the ramp waves. As a result, the present invention can generate ramp waves having a stable frequency while preventing a frequency from being changed due to a delay or an offset of the comparator. | 04-12-2012 |
Yung Jin Moon, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20120087160 | POWER FACTOR CORRECTION CIRCUIT - There is provided a power factor correction circuit capable of correcting a power factor of a power converting module through increasing an input current by switching a main switching element of a power converting module on the basis of a first reference wave having a slope based on a first signal and an error voltage, in particular, by limiting a switching frequency on the basis of a first reference wave having a slope based on a second signal lower than a first signal and an error voltage when the switching frequency of the main switching element increases because an input voltage of the power converting module is low. | 04-12-2012 |