Changsik
Changsik Cho, Daejeon KR
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20090156159 | COMMUNICATION SYSTEM AND METHOD IN SHIP AREA NETWORK - The present invention relates to a communication system and method in a ship area network. In a network of a structure including a plurality of shielded regions, communication is performed between terminals provided in the shielded region by using wireless communication, and communication is performed between terminals provided in different shielded regions by further using power line communication, optical communication, or the power line communication and the optical communication in addition to the wireless communication. Therefore, it is possible to obtain advantages of minimizing inconvenience, which is caused by using only wire communication in the related art, and enlarging a working area. | 06-18-2009 |
20150099590 | CLOUD SERVER AND METHOD FOR PROVIDING CLOUD GAME SERVICE - The present invention relates to a cloud server and method that automatically select a user interface script from among user interface scripts provided by a cloud game, generate a screen corresponding to the user interface script, and provide the screen to a client terminal user. The cloud server includes a user input unit for receiving a user input through a client terminal A script transmission unit transmits a list of user interface scripts of a game selected by a user corresponding to the user input to the client terminal A comparison unit compares an entire image of a screen of the game with previously stored image patterns. An ID transmission unit transmits an ID of a user interface script selected via results of a comparison to the client terminal, and allows the client terminal to generate a cloud screen using the ID of the user interface script. | 04-09-2015 |
Changsik Kim, Gyeonggi-Do KR
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20150271813 | SYSTEM, METHOD AND APPARATUS FOR CONNECTING ACCESS POINT - A method for collecting an Access Point (AP) is provided. The method includes detecting, by a first device, tagging of a second device; when the tagging of the second device is detected, transmitting, by the first device, to the AP, a request message for requesting access to the second device; and when the access to the second device is allowed, transmitting, to the second device, AP information required for an AP connection. | 09-24-2015 |
Changsik Kim, Lexington, MA US
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20130236804 | COOLING SYSTEM AND METHOD FOR USE WITH A FUEL CELL - A cooling system is provided for use with a fuel cell. The cooling system comprises a first heat exchanger fluidly connected to an outlet passage of the fuel cell. The first heat exchanger can be configured to condense at least a portion of a fluid passing through the outlet passage of the fuel cell into liquid water. The cooling system can also comprise a second heat exchanger fluidly connected to an outlet passage of the first heat exchanger and an inlet passage of the fuel cell. The second heat exchanger can be configured to cool a fluid passing into the inlet passage of the fuel cell. In addition, the outlet passage of the fuel cell and the inlet passage of the fuel cell can be fluidly connected to a cathode of the fuel cell, and the inlet passage of the fuel cell can be configured to supply water to the cathode. | 09-12-2013 |
20130334465 | Steam Reformers, Modules, and Methods of Use - The present disclosure is directed to steam reformers for the production of a hydrogen rich reformate, comprising a shell having a first end, a second end, and a passage extending generally between the first end and the second end of the shell, and at least one heat source disposed about the second end of the shell. The shell comprises at least one conduit member comprising at least one thermally emissive and high radiant emissivity material, at least partially disposed within the shell cavity. The shell further comprises at least one reactor module at least a portion of which is disposed within the shell cavity and about the at least one conduit member and comprises at least one reforming catalyst. The disclosure is also directed to methods of producing a hydrogen reformate utilizing the steam reformers, comprising the steps of combusting a combustible mixture in a burner to produce a combustion exhaust that interacts with the steam reactor module(s) through surface to surface radiation and convection heat transfer, and reforming a hydrocarbon fuel mixed with steam in the steam reformers to produce a hydrogen-containing reformate. The present disclosure is further directed to reactor modules for use with the above steam reformers and methods of producing a hydrogen reformate. | 12-19-2013 |
Changsik Lee, Yongin-Si KR
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20140315889 | HYDROXAMATE DERIVATIVES FOR HDAC INHIBITOR, AND THE PHARMACEUTICAL COMPOSITION COMPRISING THEREOF - The present invention relates to a novel hydroxamate derivatives, more specifically, to novel hydroxamate derivatives having inhibitory activity against Histone Deacetylase (HDAC), isomers thereof, pharmaceutically acceptable salts thereof, hydrates or solvates thereof, use for preparing pharmaceutical compositions, pharmaceutical compositions comprising the same, treatment method using said composition, and a preparing method of novel hydroxamate derivatives. The novel selective hydroxamate derivatives having inhibitory activity against Histone Deacetylase (HDAC) compositions can be used for treatment of inflammatory disease, rheumatoid arthritis, or degenerative disease. | 10-23-2014 |
Changsik Lee, Daejeon KR
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20160119941 | METHOD FOR MANAGING WIRELESS RESOURCE AND APPARATUS THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for scheduling a terminal in a wireless communication system permitting overlapping between base station clusters, and an apparatus therefor, the method comprising the steps of: grouping a plurality of terminals into a plurality of groups satisfying predetermined conditions; and selecting one more terminals for scheduling by means of a group-based greedy algorithm for each of the plurality of groups, wherein, in the group-based greedy algorithm, a check is skipped for whether the total number of base station antennas corresponding to each group is equal to or greater than the number of terminals selected from each group. | 04-28-2016 |
Changsik Lee, Gyeonggi-Do KR
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20160083354 | NOVEL COMPOUNDS FOR SELECTIVE HISTONE DEACETYLASE INHIBITORS, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME - The present invention relates to novel urea derivatives and, more particularly, to novel urea derivatives with histone deacetylase (HDAC) inhibitory activity, isomers thereof, pharmaceutically acceptable salts thereof, their use for the preparation of a medicaments comprising the same, a pharmaceutical composition comprising the same, a treatment method using the composition, and a method for preparing novel urea derivatives. The novel urea derivatives as selective histone deacetylase (HDAC) inhibitors are effective for the treatment of histone deacetylase-mediated diseases such as malignant tumors, inflammatory diseases, rheumatoid arthritis, neurodegeneration, etc. | 03-24-2016 |
Changsik Yoo, Seoul KR
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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 |
20130143490 | DATA TRANSMITTING AND RECEIVING APPARATUS AND METHOD, AND SOLID STATE DRIVE INCLUDING THE SAME - A data transmitting and receiving apparatus includes a coil configured to transmit and receive data through inductive coupling, where a voltage drop across the coil constitutes a sensing signal. The apparatus further includes an input unit configured to generate transmission data and a replica signal in accordance with an input data signal, the transmission data being supplied to the coil. The apparatus still further includes a replica unit configured to generate a compensation signal in accordance with the replica signal, and an output unit configured to extract reception data from the sensing signal using the compensation signal. | 06-06-2013 |