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Won Chan

Won Chan Choi, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100097363SWITCHING MODE POWER SUPPLY CIRCUIT FOR PLASMA DISPLAY PANEL - Provided is a switching mode power supply circuit for plasma display panel, which includes an EMI filter unit, a PFC unit, an output unit, and a standby unit. The EMI filter unit may include a first line filter connected to a commercial line input power, a first capacitor and discharge resistor connected to the first line filter, a second line filter connected to the first capacitor and discharge resistor, a second capacitor connected to the second line filter, and a relay unit disposed between the first line filter and the first capacitor and discharge resistor. The standby unit may be connected to a contact point of the first line filter and the relay unit.04-22-2010

Won Chan Jung, Daejeon KR

Patent application numberDescriptionPublished
20120005274SYSTEM AND METHOD FOR OFFERING CLOUD COMPUTING SERVICE - Provided is a cloud computing service providing system that may generate a list by classifying at least one information providing terminal based on platform information and content information received from the at least one information providing terminal, may provide the generated list to at least one user terminal, and, when a selection signal indicating that one of the at least one information providing terminal is selected by a user terminal, may connect the user terminal with the selected information providing terminal based on a peer-to-peer (P2P) scheme.01-05-2012
20120112925APPARATUS AND METHOD FOR MONITORING STATUS OF SATELLITE TRANSPONDER USING STATISTICAL ANALYSIS OF TELEMETRY DATA - Provided are an apparatus and a method for monitoring a status of a satellite transponder using a statistical analysis of telemetry data, which may disclose a configuration to receive at least one of an input signal level and an output signal level with respect to a satellite transponder, to receive telemetry data with respect to the satellite transponder, and to statistically analyze the telemetry data based on the at least one of the input signal level and the output signal level.05-10-2012
20130019148APPARATUS AND METHOD FOR UPDATING ONLINE DOCUMENTAANM LEE; Soo JeonAACI DaejeonAACO KRAAGP LEE; Soo Jeon Daejeon KRAANM LEE; Byoung SunAACI DaejeonAACO KRAAGP LEE; Byoung Sun Daejeon KRAANM KIM; In JunAACI DaejeonAACO KRAAGP KIM; In Jun Daejeon KRAANM JUNG; Won ChanAACI DaejeonAACO KRAAGP JUNG; Won Chan Daejeon KRAANM HWANG; Yoo LaAACI DaejeonAACO KRAAGP HWANG; Yoo La Daejeon KRAANM KIM; Jae HoonAACI DaejeonAACO KRAAGP KIM; Jae Hoon Daejeon KR - Provided are an apparatus and a method that differently sets the access authority of a user for individual parts of an online document. For every parts of the online document, the user authority is set and the parts are edited only by a user that can access the part. Finally, the parts of the documents are combined as the final document. According to the present invention, the document is divided into parts and the access authority of the user is variously set, which results in maximizing the efficiency of editing the document. The editors of the individual parts inherit the authorities to other people, so that it is very efficient for the cooperative job of a document in the organization having a hierarchy.01-17-2013
20130137363APPARATUS AND METHOD FOR COMMUNICATION SATELLITE MONITORING - Provided is an apparatus for monitoring a communication satellite, including: a receiver to receive at least one satellite service signal from a satellite repeater; a measurement unit to measure a frequency, a bandwidth, and a magnitude of the at least one satellite service signal; a controller to determine whether a signal transmitting station malfunctions by comparing the at least one satellite service signal with a predetermined reference value based on the measurement result; and a communication unit to inform an operator terminal about a malfunction of the signal transmitting station when the signal transmitting station is determined to malfunction.05-30-2013
20140094113APPARATUS AND METHOD OF AUTOMATICALLY MANAGING SATELLITE BROADCASTING SERVICE - An apparatus and a method for automatically managing a satellite broadcasting service are disclosed. The apparatus may include a rain attenuation information collection unit to measure weather information and a satellite broadcast signal and to collect and provide satellite broadcast signal quality information corresponding to rain attenuation, a rain attenuation analysis unit to analyze rain attenuation information collected by region and to verify a rain attenuation level, a satellite broadcast transmission signal plan unit to generate a satellite broadcast signal change plan to change a satellite broadcast transmission signal by region based on the verified rain attenuation level, and a satellite broadcast transmission signal controller to transmit a signal change instruction to a satellite ground station for the satellite broadcast transmission signal to be changed based on the generated satellite broadcast signal change plan.04-03-2014
20140095077SYSTEM AND METHOD FOR WEATHER SATELLITE INFORMATION PROCESSING ALGORITHM SIMULATION - A weather satellite information processing algorithm simulation system and method are provided. The weather satellite information processing algorithm simulation system may include a data supplying unit to supply input data that is required to operate a weather satellite information processing algorithm, an algorithm operator to operate the weather satellite information processing algorithm, using the supplied input data, and a result analyzer to analyze a result obtained by operating the weather satellite information processing algorithm, and to generate analysis result data. The weather satellite information processing to algorithm may extract a product from weather satellite information stored by a weather satellite earth station.04-03-2014
20140101669APPARATUS AND METHOD FOR PROCESSING TASK - Provided is a task processing apparatus and method that may select a task corresponding to predetermined task selection information when a task execution is completed and thus, an idle server occurs in at least one server, may separate the selected task into a first task and a second task, and may control the first task and the second task to be allocated to an existing allocation server of the selected task and an idle server, respectively.04-10-2014
20140348180RANDOMIZATION OF PACKET SIZE - A method of randomizing a size of a packet is provided. A randomization method may include recognizing a maximum segment size (MSS) defined for transmission and reception of a packet with a reception terminal, and randomizing a size of the packet to be less than the MSS.11-27-2014

Patent applications by Won Chan Jung, Daejeon KR

Won Chan Park, Daejeon KR

Patent application numberDescriptionPublished
20130174878FLUID SUPPLYING APPARATUS AND SYSTEM AND METHOD FOR CLEANING THIN FILM USING THE SAME - A fluid supplying apparatus includes an inner tube having a plurality of holes for distributing a fluid supplied from a supply unit, and an outer tube arranged coaxially or non-coaxially with the inner tube to surround the inner tube and having a plurality of slots for injecting the fluid distributed therein from the holes to the outside. The outer tube substantially has the same length as the inner tube. The fluid supplying apparatus may be used for a thin film cleaning system or method.07-11-2013
20130224537BATTERY COOLING SYSTEM AND BATTERY RACK APPLIED TO THE SAME - Disclosed is a battery cooling system having a main frame for defining a structure of a battery rack; a space dividing frame for dividing the inside of the main frame into a plurality of levels; a battery module located inside the main frame and supported by the space dividing frame; a pair of refrigerant guide plates respectively installed at the upper and lower ends of the battery module and installed to be inclined in the same direction with predetermined angles with respect to the upper and lower surfaces thereof; and side panels coupled to the sides of the main frame and having a channel slit formed in at least a part thereof.08-29-2013
20140370339BUS BAR WITH NOVEL STRUCTURE - Disclosed herein is a bus bar connected or fastened to a terminal part of a battery pack and fixedly mounted to a battery pack case, the bus bar including a power input part located at one end of the bus bar such that the power input part is connected or fastened to an output terminal part of the battery pack, a power output part located at the other end of the bus bar such that the power output part is connected or fastened to an input terminal part of the battery pack, a plate-shaped main body connected between the power input part and the power output part, the plate-shaped main body including a vapor chamber, and a fastening part formed at the power input part to fix the bus bar to the battery pack case.12-18-2014
20150086866FLOW CONTROLLER OF DRYING OVEN WITH AUTOMATIC AIR CHARGE FOR MANUFACTURING SECONDARY BATTERY - Disclosed herein is an intake air flow control apparatus of an electrode drying oven for manufacturing secondary batteries configured to coat a current collector with an electrode slurry including a solvent and to dry the solvent, the intake air flow control apparatus of the electrode drying oven including at least one electrode drying oven having an intake air duct for supplying external air and an exhaust air duct for discharging a mixed gas containing air and the solvent, a sensor mounted in the exhaust air duct for measuring a concentration of the solvent in the exhaust gas, and a controller for adjusting a supply quantity of air and/or a discharge quantity of gas based on information regarding the concentration of the solvent in the exhaust gas received from the sensor.03-26-2015

Patent applications by Won Chan Park, Daejeon KR

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