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Hyun, Daejeon
Eun Hee Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100299758 | METHOD AND DATA SHARING SYSTEM IN PEER TO PEER ENVIRONMENT - The present invention relates to the method and data sharing system which establishes an access right for data to share in pure or hybrid P2P environment and thus decides to open and share the data in accordance with which whether a recipient peer has the access right or not, thereby protecting the data from the access of the unspecified public and preventing the data from spreading in an improper manner. Also, since the existence of the data is not open to recipients with no having access right, the method and data sharing system according to the present invention has an effect of protecting the copyright and privacy of a data provider. | 11-25-2010 |
| 20110149831 | APPARATUS AND METHOD FOR MANAGING MULTIMEDIA BROADCAST MULTICAST SERVICE BEARER - Provided is an MBMS bearer setting managing method and apparatus. The MBMS bearer setting managing method configures an MBMS bearer context including information corresponding to the single service and information corresponding to the plurality of sessions, and manages the MBMS bearer setting based on the information corresponding to the single service and the information corresponding to each of the plurality of sessions. | 06-23-2011 |
| 20110151847 | CONTENTS PROVIDING APPARATUS AND METHOD - A contents providing apparatus and method is provided. A contents providing apparatus based on a mobile communication network, the contents providing apparatus including: a receiving unit receiving contents and contents providing area information of the contents from a contents provider, the contents providing area information being information about an area where the contents is provided; an area group setting unit retrieving at least one cell based on the contents providing area information, and setting the retrieved at least one cell as a contents providing area group of the contents; and a transmitting unit transmitting the contents to the set contents providing area group. | 06-23-2011 |
Jin-Young Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090105495 | Method for Preparing Ester Compounds as Bleach Activators - A method for preparing an ester bleach activator compound is disclosed. The method includes (A) preparing fatty acid monoester; (B) making chloroformate by reacting the fatty acid monoester with at least one selected from the group consisting of phosgene, diphosgene and triphosgene in the presence of base; and (C) reacting the chloroformate with hydroxybenzene, its derivatives, or its salts in solvent. According to the method, the ester bleach activator compound can be made in a simple and economic way. | 04-23-2009 |
Ohyoung Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100279161 | STACK AND FOLDING-TYPED ELECTRODE ASSEMBLY AND METHOD FOR PREPARATION OF THE SAME - Disclosed herein is a method of locating a plurality of pull cells constructed in a cathode/separator/anode structure, as basic units, on a separator sheet having a continuous length, further locating a unit electrode or a bi-cell on the separator sheet, and winding the pull cells and unit electrode or the bi-cell to continuously manufacture a stacking/folding type electrode assembly constructed in a structure in which anodes are located at the outermost electrodes forming the outside of the electrode assembly, respectively, wherein the method including a step of continuously supplying a cathode sheet, an anode sheet, a first separator sheet, and a second separator sheet, to manufacture the unit cells, successively arranging the unit cells on the second separator sheet from a first stage to an n stage, and winding the unit cells, a step of arranging cathode tabs and anode tabs at the respective stages, while the cathode tabs and the anode tabs are opposite to each other, and arranging electrode tabs having the same polarity between the neighboring stages, while the electrode tabs are opposite to each other, such that the electrode tabs having the same polarity are located all together at predetermined positions of the wound electrode assembly, and a step of supplying electrodes the number of which is odd from two electrode sheets and electrodes the number of which is even from one electrode sheet. | 11-04-2010 |
Oh Young Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090311589 | Separator for Battery with Gel Polymer Layer - Disclosed are a separator for a battery, which comprises a gel polymer layer formed on a substrate, the gel polymer layer including a plurality of three-dimensional open pores interconnected with each other, and an electrochemical device comprising the same separator. Also, disclosed is a method for preparing the gel polymer layer including a plurality of three-dimensional open pores interconnected with each other on a substrate. | 12-17-2009 |
| 20100055558 | LINTHIUM SECONDARY BATTERY IMPROVED SAFETY AND CAPACITY - Disclosed herein is a secondary battery having an electrode assembly constructed in a structure in which a plurality of electrodes are stacked, while separators are disposed respectively between the electrodes, and electrode taps of the electrodes are connected with each other, the electrode assembly being mounted in a battery case, wherein regions where the electrode taps are coupled to electrode leads (electrode tap-electrode lead coupling regions) are located at an upper-end contact region of the battery case, and the contact region is bent in the thickness direction of the battery, whereby the electrode assembly is separated from an inner space of the battery case. | 03-04-2010 |
| 20100075210 | Hybrid-Typed Electrode Assembly of Capacitor-Battery Structure - Disclosed herein are a hybrid type electrode assembly including a plurality of electrode groups that can be charged and discharged, wherein the respective electrode groups are constructed in a structure in which a cathode and an anode are opposite to each other while a separator is disposed between the cathode and the anode, and at least one of the electrode groups is a capacitor type electrode group, and a secondary battery including the same. In the hybrid type electrode assembly according to the present invention, a coupled system of a capacitor and a secondary battery is embodied in a single cell through a simplified manufacturing process. Consequently, the present invention has the effect of reducing the manufacturing costs of the battery cell and improving the pulse charge and discharge characteristics without the degeneration of capacity. | 03-25-2010 |
Ok-Bae Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100110598 | LINE COMMUTATION TYPE FAULT CURRENT LIMITER - A line commutation type fault current limiter which can reduce manufacturing and maintenance costs, carry out line commutation by operating a cutoff switch by fault current energy, respond rapidly to a fault, be immediately restored to an original state, and perform either an active or a passive operation. The line commutation type fault current limiter includes a coupled inductor having a primary side connected to a main circuit and a secondary side matched with the primary side, a Zener diode switch electrically connected to the secondary side of the coupled inductor, a line commutation switch connected to the Zener diode switch as well as the primary side of the coupled inductor to form a bypass path in parallel with the primary side of the coupled inductor and to cut off the main circuit, when the Zener diode switch is turned on, and a current limiting unit electrically connected in parallel with the line commutation switch to limit a current flowing into the main circuit. | 05-06-2010 |
Seok Jong Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110021035 | DEPOSITION APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME - Provided are a deposition apparatus and a method of manufacturing a semiconductor device. In the method, a reaction chamber provided with a gaseous source supply unit and a liquid source supply unit is prepared, and an etch stop layer is formed on a substrate by using a gaseous source. Then, an interlayer insulation layer is formed on the etch stop layer by using a vaporized liquid source and a vaporized dopant source. In this way, the etch stop layer and the interlayer insulation layer are formed in-situ in the same reaction chamber. | 01-27-2011 |
Wook Hyun, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20080279118 | SYSTEM AND METHOD FOR PROVIDING SESSION INITIATION PROTOCOL BASED CONFERENCE SERVICE - A system for providing a session initiation protocol based conference service includes: a conference host terminal that produces requests to setup a call using identification information, to make a registration of participants to be invited to a conference session using a conference identifier, and to initiate the conference session using the conference identifier; a plurality of conference participant terminals as the participants that participate in the conference session; and a conference server having the identification information. The conference server issues the conference identifier to the conference session; stores therein the participant information; and sends to each of the conference participant terminals corresponding to the stored participant information a message to invite the conference participant terminal to the conference session, the message containing the conference identifier, thereby creating the conference session with conference participant terminals which have sent to the conference server acknowledgement messages. | 11-13-2008 |
| 20110087775 | PEER-TO-PEER CONTROL DEVICE AND TRANSMISSION OVERLAY MANAGEMENT METHOD - A peer-to-peer (P2P) control device receives peer registration requests from a plurality of peers which want to receive contents and registers information regarding the plurality of peers, and receives an application service and contents registration request from at least one contents server providing contents and registers the information regarding the application service and contents. When the P2P control device receives a request for generating an overlay of desired contents from a requesting peer, it generates a P2P overlay, a logical path along which contents are to be transmitted to the requesting peer, by using the registered information regarding the plurality of peers, information regarding a network to which the plurality of peers are connected, and information regarding the application service corresponding to the desired contents, and delivers the connection information to the requesting peer with reference to the P2P overlay. | 04-14-2011 |
| 20110137993 | SYSTEM AND METHOD FOR PROVIDING CONFERENCE SERVICE USING NETWORK SERVICE BASED ON USER TERMINAL CAPABILITIES - A system and method for providing a conference service using a network service based on user terminal capabilities are provided. In the method, it is determined to perform media conversion required for media transfer corresponding to the capabilities of the user terminal in response to a conference service join request, and a transcoding service location of a network device supporting the media conversion is searched over the Internet. Then, a connection is made to the transcoding service location to perform the media conversion, and the converted media is delivered to the user terminal. | 06-09-2011 |
| 20110154392 | METHOD OF PROVIDING SERVICE INFORMATION, SYSTEM THEREOF, AND METHOD OF RECEIVING SERVICE INFORMATION - An information providing system includes: a service provider list provider that receives a service provider list requesting message for a service that a terminal device wants and transmits a service provider list information message including a service provider list including a service provider server providing the service to the terminal device; and a service list provider that receives a service list requesting message requesting a service details list provided by the service provider server included in the service provider list from the terminal device and transmits a service list information message including the service details list provided by the service provider server to the terminal device. | 06-23-2011 |