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Donghyun
Donghyun Choi, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110249816 | HYBRID KEY MANAGEMENT METHOD FOR ROBUST SCADA SYSTEMS AND SESSION KEY GENERATION METHOD - Disclosed is a hybrid key management method for a supervisory control and data acquisition (SCADA) system in which a master terminal unit (MTU), a plurality of sub-master terminal units (sub-MTUs), and a plurality of remote terminal units (RTUs) are sequentially and hierarchically structured, the hybrid key management method comprising the steps of: (a) creating, by the MTU and the sub-MTUs, their own secret numbers and making and exchanging digital signatures; (b) creating, by the MTU, group keys; and (c) distributing, by the MTU, the group keys to the sub-MTUs and encrypting and decrypting the group keys using the secret numbers. | 10-13-2011 |
Donghyun Choi, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110158405 | KEY MANAGEMENT METHOD FOR SCADA SYSTEM - Disclosed is a shared key management method for SCADA system in which a master terminal unit (MTU), a plurality of sub-master terminal units (sub-MTUs), and a plurality of remote terminal units (RTUs) are sequentially and hierarchically structured, comprising the steps of: generating shared keys of a group key in a tree structure by the MTU, the tree structure including a binary tree ranging from a root node corresponding to the MTU to intermediate nodes corresponding to the sub-MTUs; storing shared keys of descendant nodes and ancestor nodes of an intermediate node of a sub-MTU by the sub-MTU; and updating, upon updating of a shared key of an intermediate node, all shared keys of on-path nodes from the updated intermediate node to the root node, the shared keys of the on-path nodes being updated using their own shared keys and shared keys of off-path child nodes. | 06-30-2011 |
Donghyun Jung, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20120016146 | POROUS CRYSTAL COMPRISING AMMONIA BORANE AND A PRODUCTION METHOD THEREFOR - Disclosed does a porous crystal comprising ammonia borane in which the ammonia borane is chemically bonded thereto by a chemical reaction while a porous crystal structure is maintained. | 01-19-2012 |
Donghyun Kim, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100178755 | Method of fabricating nonvolatile memory device - A method of fabricating a nonvolatile memory device with a three-dimensional structure includes alternately stacking first and second material layers in two or more layers on a semiconductor substrate, forming trenches penetrating the stacked first and second material layers by performing a first etching process, and removing the second material layers exposed in the trenches by performing a second etching process. The first and second material layers are formed of materials that have the same main component but have different impurity contents, respectively. | 07-15-2010 |
| 20110062228 | TEACHING METHOD OF TRANSMISSION CONTROL UNIT OF VEHICLE - A teaching method of a transmission control unit (TCU) allows one to transmit specific property data of a transmission manufactured in a transmission production line to a vehicle assembly line where the TCU and the transmission are assembled, and input the data to the TCU in a very inexpensive and simple fashion. The method also allows the TCU that controls a CVT to appropriately initialize kiss-point pressure of the CVT that uses a wet-type multi-disc clutch, instead of a torque converter, and is equipped with a solenoid valve directly controlling the wet-type multi-disc clutch, such that it makes it possible to allow the TCU to stably and appropriately control the CVT to be controlled, with the property data about the CVT which is restrictively transmitted. | 03-17-2011 |
Donghyun Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100053624 | BIOSENSOR - A biosensor that can convert biological interactions into electrical and optical signals to sense a material to be analyzed is provided. The biosensor includes a substrate, a source electrode and a drain electrode formed on one surface of the substrate, a carbon nanotube connecting the source and drain electrodes, a metal gate covering the carbon nanotube, a recognition component immobilized on the metal gate, and a passivation layer covering the source and drain electrodes. | 03-04-2010 |
| 20110271542 | CLOTHES TREATING APPARATUS - An apparatus for treating clothes includes an accommodating space, an air supply unit, a duct unit, a filter unit, a substance removal unit and a collection unit that is separate from the filter unit and the substance removal unit. The accommodating space is configured to receive one or more clothing articles. The air supply unit is configured to supply air to the accommodating space. The duct unit is configured to guide discharge of air from the accommodating space. The filter unit is positioned to filter substances from air discharged from the accommodating space through the duct unit. The substance removal unit is configured to move substances remaining on a portion of the filter unit. The collection unit is configured to collect substances moved from the filter unit by the substance removal unit. | 11-10-2011 |
| 20110271543 | CLOTHES TREATING APPARATUS AND FILTER TECHNOLOGY - A clothes treating apparatus includes an accommodating space, an air supply unit, a duct unit and a filter assembly. The accommodating space is configured to receive one or more clothing articles. The air supply unit is configured to supply air to the accommodating space. The duct unit is configured to guide discharge of air from the accommodating space. The filter assembly is positioned to filter air discharged from the accommodating space through the duct unit and includes a housing, a filter positioned in the housing, a substance removal unit and a collection area defined within the housing. The filter positioned in the housing is configured to filter substances from air passing through the filter assembly. The substance removal unit is configured to move substances remaining on a portion of the filter and press the moved substances into the collection area, which is configured to collect removed substances within the housing. | 11-10-2011 |
| 20110271550 | CONTROL TECHNOLOGY FOR CLOTHES TREATMENT APPARATUS - In a general aspect, an apparatus for treating clothes includes a filter unit and a substance removal unit. The filter unit is positioned to filter substances from air discharged from an accommodating space and the substance removal unit is configured to move substances remaining on a portion of the filter unit. A method for controlling the apparatus for treating clothes includes detecting a condition related to the apparatus for treating clothes. The method further includes controlling, based on detection of the condition and without user input after detection of the condition, the substance removal unit to start removing substances remaining on the portion of the filter unit. | 11-10-2011 |
| 20120130459 | Neural Device Having Via-Hole Connection and Using at Least One Nano-Wire - Provided is a neural device including at least one nano-wire. The neural device includes a nano-wire formed on a base formed on a first surface of a substrate, and an electrode pad formed on a second surface different from the first surface of the substrate and configured to output an electrical signal gained from a neural fiber through the nano-wire or apply a signal for an electric stimulus to the nano-wire. Therefore, it is possible to prevent the nano-wire from becoming embedded in an encapsulation and maximize a contact between the nano-wire and a nerve. | 05-24-2012 |
Donghyun Ko, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090023946 | SYNTHETIC METHOD OF GLYCOL DIESTERS FROM REACTION OF GLYCOL MONOESTERS AND LINEAR ALIPHATIC CARBOXYLIC ACIDS - A method of synthesizing glycol diester by reacting a linear aliphatic carboxylic acid and a glycol monoester in the presence of a Lewis acid type catalyst is provided. In the method, after introducing the glycol monoester, the linear aliphatic carboxylic acid and the Lewis acid type catalyst into a reactor, the reaction occurs to produce reaction products and water in the reactor; an excess of the linear aliphatic carboxylic acid forms an azeotrope with water during the reaction to be sent to a condenser through a distillation column; the linear aliphatic carboxylic acid and water passed through the condenser are divided into an organic layer and an aqueous layer in an oil water separator; and the organic layer is returned to the distillation column through a material cycling line and water in the aqueous layer is removed through a water removal line. By utilizing reactive distillation technique, water produced during the reaction is rapidly removed, and thus the reaction time can be significantly reduced and the yield of the glycol diester can be maximized. | 01-22-2009 |
Donghyun Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20120131043 | MOBILE TERMINAL AND METHOD OF MANAGING VIDEO USING METADATA THEREIN - A mobile terminal and method of managing a video using metadata therein are disclosed, by which videos matching search conditions of various types can be found. The present invention includes searching for metadata set on each of at least one partial section included in each of at least one video, obtaining an identification information on each of the at least one partial section having the found metadata set thereon, obtaining a section information on each of the at least one partial section having the found metadata set thereon, and displaying the obtained identification or section information. | 05-24-2012 |
Donghyun Lee, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100279160 | RECHARGEABLE SECONDARY BATTERY HAVING IMPROVED SAFETY AGAINST PUNCTURE AND COLLAPSE - A rechargeable battery according to embodiments of the present invention has improved safety against puncture and collapse. The secondary battery includes an electrode assembly, a case, a first electrode terminal and a second electrode terminal, a cap plate, and a short circuit member. The electrode assembly includes a first electrode, a separator, and a second electrode. The case contains the electrode assembly. The first electrode terminal and a second electrode terminal are electrically connected to the first electrode and the second electrode of the electrode assembly, respectively. The short circuit member extends from the end of one of the first electrode and the second electrode and is wound around the outermost periphery of the electrode assembly to short circuit the electrode assembly when the secondary battery is punctured or collapsed. | 11-04-2010 |
| 20100279170 | RECHARGEABLE SECONDARY BATTERY HAVING IMPROVED SAFETY AGAINST PUNCTURE AND COLLAPSE - A rechargeable battery having improved safety against puncture and collapse includes an electrode assembly, a case, a first electrode terminal and a second electrode terminal, a cap plate, and a short circuit member. The electrode assembly includes a first electrode, a separator, and a second electrode. The case contains the electrode assembly. The first electrode terminal and a second electrode terminal are electrically connected to the first electrode and the second electrode, respectively. The short circuit member is between the electrode assembly and the case and short circuits the secondary battery when the secondary battery is punctured or collapsed. | 11-04-2010 |
| 20110052963 | Secondary battery - A secondary battery including a can having at least two receiving spaces with a separation space therebetween, an electrode assembly received in the receiving spaces of the can, a collector electrically connected to the electrode assembly, and a cap plate coupled to an upper portion of the can to seal the can. | 03-03-2011 |
Donghyun Lee, Incheon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110275409 | MOBILE TERMINAL AND IMAGE DISPLAY METHOD THEREIN - A mobile terminal and image displaying method therein, by which a display of object relevant information included in a preview image can be effectively controlled. The present invention includes receiving an input of the image externally, obtaining object relevant information of each of a plurality of objects, displaying the inputted image in a manner of displaying the object relevant information of each of a plurality of the objects within the inputted image, receiving an input of a sort command signal for sorting the object relevant information externally, and sorting and displaying the object relevant information of each of a plurality of the objects according to the input of the sort command signal to correspond to at least one of a distance, a direction and a category of each of a plurality of the objects. | 11-10-2011 |
| 20110275415 | MOBILE TERMINAL AND METHOD FOR DISPLAYING AN IMAGE IN A MOBILE TERMINAL - A mobile terminal is provided that includes a camera module for capturing an image; a position-location module for obtaining first information regarding a current location of the mobile terminal; a display unit for displaying the captured image and a viewpoint indicator on the captured image, the viewpoint indicator displayed at a point corresponding to the obtained first information and indicating a direction; a user input unit for receiving an input of a shift command signal for shifting the display of the viewpoint indicator; and a controller for controlling the display unit to shift the display of the viewpoint indicator to a point corresponding to the shift command signal and to display second information regarding at least one entity oriented about the mobile terminal along the indicated direction. | 11-10-2011 |
| 20120120317 | MOBILE TERMINAL AND METADATA APPLYING METHOD THEREOF - A mobile terminal including a wireless communication configured to wirelessly communicate with at least one other terminal; a touch screen display unit configured to display a video; and a controller configured to receive metadata that can be displayed in association with the video and to control the display unit to display a metadata information indication indicating the metadata is available. | 05-17-2012 |
| 20120121187 | MOBILE TERMINAL AND METADATA SETTING METHOD THEREOF - A mobile terminal and metadata setting method thereof are disclosed, by which metadata of various types can be set. The present invention includes displaying an image including at least one object, selecting a specific object from the at least one object, extracting the specific object from the image, setting the metadata for the extracted specific object, and storing the metadata set for the specific object and an image including the specific object. | 05-17-2012 |
Donghyun Park, Gyoungsangbuk-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100053037 | PLASMA DISPLAY APPARATUS - A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel that includes a scan electrode, a sustain electrode, and a data electrode; and a scan driver that supplies the scan electrode with a first driving voltage serving as a reference voltage, a second driving voltage supplied from a single voltage source, and a third driving voltage that has the same magnitude as that of the second driving voltage and has the opposite polarity of that of the second driving voltage. | 03-04-2010 |
Donghyun Seo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110128067 | TRIMMING OF OPERATIVE PARAMETERS IN ELECTRONIC DEVICES BASED ON CORRECTIONS MAPPINGS - An embodiment of an electronic device having a plurality of operative parameters is provided. The electronic device includes means for applying a plurality of trimming actions to each parameter for causing a corresponding correction of the parameter, for at least one reference parameter, means for measuring the reference parameter responsive to the application of at least part of the trimming actions to select one of the trimming actions providing a target value of the reference parameter, and means for forcing the application of the selected trimming action for the reference parameter. For each non-reference parameter different from the at least one reference parameter, the electronic device includes means for selecting one of the trimming actions for the non-reference parameter corresponding to the selected trimming action for the at least one reference parameter according to a predetermined mapping of each group of multiple corrections of the at least one reference parameter on a single correction of the non-reference parameter, and means for forcing the application of the selected trimming action for each non-reference parameter. | 06-02-2011 |
| 20120081987 | SUPPLY VOLTAGE DISTRIBUTION SYSTEM WITH REDUCED RESISTANCE FOR SEMICONDUCTOR DEVICES - A supply voltage distribution system for distributing a supply voltage through a semiconductor device, the supply voltage distribution system comprising: | 04-05-2012 |
Donghyun Yoo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100130154 | AMPLIFICATION SYSTEM FOR INTERFERENCE SUPPRESSION IN WIRELESS COMMUNICATIONS - An amplification system including a high gain amplifier, filter module and low gain amplifier. The high gain amplifier for receiving an input RF signal and processing the input RF signal to produce a first amplified signal while the high gain amplifier is operating near its saturation point. The filter module having at least one band pass filter to receive the first amplified signal and process the first amplified signal to remove unwanted characteristics of the first amplified signal to produce a processed first amplified signal. The low gain amplifier receiving the processed first amplified signal and processing the processed first amplified signal to produce a second amplified signal that has an increase in signal strength over the processed first amplified signal while the low gain amplifier is operating near its saturation point. | 05-27-2010 |
Donghyun Yu, Gwacheon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120099056 | DISPLAY PANEL, DISPLAY APPARATUS HAVING THE SAME, METHOD OF MANUFACTURING THE SAME AND METHOD OF CUTTING THE SAME - A display apparatus includes a first substrate, a second substrate, and a blocking layer disposed on the first substrate adjacent to an outer edge of the first substrate. The second substrate includes first and second areas. The first area faces the first substrate. The outer edge of the first substrate is aligned with a boundary between the first area and the second area of the second substrate. | 04-26-2012 |