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Hyun-Sik
Hyun Sik Choi, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090300598 | Apparatus for transmitting software of broadcast receiver and apparatus and method for downloading software of broadcast receiver - A broadcast transmitter, a broadcast receiver and a method of receiving software of the broadcast receiver are disclosed. The method of receiving the software of the broadcast receiver includes receiving software download code information, checking a software download mode based on download mode information included in the received software download code information, requesting input of a download selection command to a user if the download mode information is a user selection mode, and determining whether or not the download of the software is started based on the download selection command received from the user. | 12-03-2009 |
Hyun Sik Jang, Gumi-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100224432 | MOTORCYCLE - A motorcycle has at least two independently driven wheels to reduce energy consumption. The independently driven wheels are driven independently. | 09-09-2010 |
| 20100225079 | TW0-WHEEL MOVING DEVICE AND AUTOCYCLE HAVING THAT - A two-wheel moving device includes a fixed shaft fixed to one side of a body; first and second swing arms having one ends pivotally coupled to the fixed shaft, respectively; a first varying shaft mounted at the other end of the first swing arm in parallel with the fixed shaft; a second varying shaft mounted at the other end of the second swing arm in parallel with the fixed shaft; a first wheel rotatably coupled to the first varying shaft; a second wheel rotatably coupled to the second varying shaft; a first extendable arm having elasticity and having one end coupled to the first swing arm and the other end coupled to the body; a second extendable arm having elasticity and having one end coupled to the second swing arm and the other end coupled to the body; a first motor used for rotating the first wheel; and a second motor used for rotating the second wheel. An autocycle includes such a two-wheel moving device. | 09-09-2010 |
Hyun Sik Jeong, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110204873 | TEMPERATURE SENSOR - A temperature sensor generates a variable voltage whose level decreases linearly as a temperature increases, and compares the variable voltage with first and second reference voltages to generate first and second temperature codes to measure the temperature. | 08-25-2011 |
| 20110304384 | INTERNAL VOLTAGE GENERATING CIRCUIT - An internal voltage generating circuit includes a supply voltage driving unit, an internal voltage driving unit, and a driving control unit. The supply voltage driving unit is configured to compare a voltage division signal of a supply voltage with a bias voltage, generate a first pull-up signal, and drive the supply voltage in response to the first pull-up signal. The internal voltage driving unit is configured to receive the supply voltage, generate a second pull-up signal, and drive an internal voltage. The driving control unit is configured to select the first pull-up signal or a power supply voltage as a third pull-up signal. | 12-15-2011 |
Hyun Sik Kim, Gwangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20080278087 | Pulse Width Modulation Apparatus and Apparatus for Driving Light Source Having the Same - Provided are a pulse width modulation (PWM) apparatus and a light source-driving apparatus including the PWM apparatus. The PWM apparatus includes a voltage division part, a capacitor part, a first operational amplifier, a first noise reduction part, and a second operational amplifier. The voltage division part divides and outputs an input voltage. The capacitor part charged by an input current or discharged for provides a charge voltage. The first operational amplifier operates according to a result of comparing a divided voltage output from the voltage division part with the charge voltage output from the capacitor part. The first noise reduction part removes a high frequency noise of the divided voltage. The second operational amplifier converts a signal generated from the capacitor part into a pulse width modulation signal by a dimming control signal. | 11-13-2008 |
Hyun Sik Kim, Su-Won KR
| Patent application number | Description | Published |
|---|---|---|
| 20080280636 | Method for altering communication mode and mobile communication terminal using the same - A method is disclosed that alters a communication mode in a mobile communication terminal. The method includes: if the mobile communication terminal receives a connection signal for an external device, determining whether the communication mode is set to a bidirectional mode; if the communication mode is not a bidirectional mode, determining whether the communication mode is set to a unidirectional mode; and if the communication mode is a unidirectional mode, paging with the external device. The mobile communication terminal can reduce its power consumption and thus extends its remaining run time. | 11-13-2008 |
Hyun Sik Song, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20100252593 | SNOWBOARD CARRIER BELT - A snowboard carrier belt which ties a snowboard having a pair of bindings so as to allow a snowboarder to carry the snowboard, the snowboard carrier belt including a first belt section fixedly fitted, in its one end, between the snowboard and one of the bindings when the one binding is set to the snowboard, and having a fixing loop, and a second belt section detachably coupled to a hill cup of the other binding by means of a fastener and having length-adjusting means connected with the other end of the first belt section so as to adjust a length of the belt. | 10-07-2010 |
Hyun-Sik Choi, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120038428 | Oscillators and method of operating the same - Oscillators and a method of operating the same are provided, the oscillators include at least one oscillation device including a first magnetic layer having a magnetization direction that is variable, a second magnetic layer having a pinned magnetization direction, and a non-magnetic layer disposed between the first magnetic layer and the second magnetic layer. The oscillation device is configured to generate a signal having a set frequency. The oscillators further include a driving transistor having a drain connected to the at least one oscillation device, and a gate to which a control signal for controlling driving of the oscillation device is applied. | 02-16-2012 |
Hyun-Sik Han, Ansan-City , Kyungki-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090257934 | Transition metal - substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage - reduction - Disclosed herein is a transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides using a storage-reduction method, in which a molar ratio of transition metal to magnesium is 0.2 or less, and a method of manufacturing a transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides using a storage-reduction method, including the steps of preparing a hydrotalcite synthesis solution including transition metal precursors such that the molar ratio of transition metal to magnesium is 0.2 or less, and preferably 0.001 to 0.2; aging the synthesis solution; and hydrothermally treating the synthesis solution. | 10-15-2009 |
Hyun-Sik Han, Ansan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090004081 | Exhaust gas purifying catalyst composition containing zeolite for reducing hydrogen sulfide - Disclosed herein is an exhaust gas purifying catalyst composition for reducing hydrogen sulfide, including active alumina, supporting platinum and/or palladium, along with rhodium; a metal selected from the group consisting of Ba, La, Pr and Zr; cerium oxides; and zeolite. | 01-01-2009 |
| 20100075842 | POTASSIUM OXIDE-INCORPORATED ALUMINA CATALYSTS WITH ENHANCED STORAGE CAPACITIES OF NITROGEN OXIDE AND A PRODUCING METHOD THEREFOR - Disclosed herein is a method of producing a catalyst for storing nitrogen oxides, including: supporting a potassium oxide on alumina, which serves as a support, and then calcining the alumina supported with the potassium oxide at a high temperature, thus chemically bonding potassium oxide with the alumina. The method is advantageous in that a catalyst for storing nitrogen oxides, having high nitrogen oxide storage capacity and excellent hydrothermal stability, can be produced at low cost through a simple process. | 03-25-2010 |
| 20110126525 | NOVEL SCR CATALYSTS AND AFTER-TREATMENT DEVICES FOR DIESEL ENGINE EXHAUST GAS - Disclosed is an SCR catalyst composition having improved NOx conversion and a device for post-treating diesel engine exhaust gas using the same. The SCR catalyst composition can effectively convert NOx generated from an engine into harmless components. The device, which improves the NOx conversion, includes an SCR catalyst module disposed downstream of a diesel engine and having an injector, an oxidation catalyst module disposed downstream of the SCR catalyst module, and a catalyst soot filter module, all of which are successively arranged in series. | 06-02-2011 |
| 20110150742 | CATALYSTS FOR NOX REDUCTION EMPLOYING H2 AND A METHOD OF REDUCING NOX - Disclosed is a catalyst composition for reducing NOx through two steps including reacting NOx with H2 thus producing ammonia which is then reacted with NOx, instead of direct NOx reduction by H2, and a method of reducing NOx using the catalyst composition. | 06-23-2011 |
Hyun-Sik Han, Kyungki-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090126353 | Oxidation Catalyst for NH3 and an Apparatus for Treating Slipped or Scripped NH3 - Disclosed herein are an ammonia oxidation catalyst and a system for treating slipped ammonia or waste ammonia using the oxidation catalyst. More specifically, disclosed are an ammonia oxidation catalyst comprising either Cu-containing zeolite impregnated with platinum or Cu-containing alumina impregnated with platinum, which has improved low-temperature activity to oxidize ammonia generated in a mobile source or fixed source system and is used to inhibit the formation of nitrogen oxides, as well as a system for treating ammonia contained in vehicle exhaust gas, a chemical reactor system and an environmental device and system, which include the oxidation catalyst. | 05-21-2009 |
| 20090255237 | SCR Catalytic Converter Without NH3 or Urea Injection - The present invention relates to a Selective Catalytic Reduction (SCR) catalytic converter that does not require the injection of a reducing agent, and, particularly, to an open-flow type or wall-flow type SCR catalytic converter that does not require the injection of a reducing agent, which includes a front portion, in which first supports supporting modified catalyst components are applied on the inner surfaces of porous partition walls, a middle portion, in which second supports supporting ammonia synthesis catalyst components are applied on the inner surfaces of porous partition walls, and a rear portion, in which third supports supporting SCR reducing catalyst components are applied on the inner surfaces of porous partition walls. More particularly, the present invention relates to a catalytic converter, which can improve a reduction rate of NOx without requiring the injection of an ammonia reducing agent from the outside. | 10-15-2009 |
Hyun-Sik Hwang, Ansan-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090251404 | ELECTROPHORETIC DISPLAY AND DRIVING METHOD THEREOF - An electrophoretic display includes first and second gate lines, a data line that crosses the first and second gate lines, a first pixel connected to the first gate line and the data line, and a second pixel positioned on the opposite side of the data line from the first pixel and connected to the second gate line and the data line. | 10-08-2009 |
Hyun-Sik Kang, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110183671 | MOBILE TERMINAL AND HANDOVER METHOD FOR THE MOBILE TERMINAL - A mobile terminal and a handover method for the mobile terminal are disclosed. A mobile terminal according to an embodiment of the invention may include a control unit configured to control the mobile terminal to perform a handover to a base station based on at least one of an on-off traffic characteristic of downlink data received from the base station and an on-off traffic characteristic of uplink data transmitted to the base station. When certain aspects of the invention are applied, the amount of data loss during a handover can be minimized. | 07-28-2011 |
Hyun-Sik Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100103359 | LIQUID CRYSTAL DISPLAY HAVING A MODIFIED ELECTRODE ARRAY - A liquid crystal display having electrodes on a single substrate. A transparent planar electrode elongated in the transverse direction is formed on the inner surface of a substrate, and an insulating film is deposited thereon. A plurality of linear electrodes, which are elongated in the longitudinal direction and either transparent or opaque, are formed on the insulating film. Potential difference between the planar and the linear electrodes generated by applying voltages to the electrodes yields an electric field. The electric field is symmetrical with respect to the longitudinal central line of the linear electrodes, and has parabolic or semi-elliptical lines of force having a center on a boundary line between the planar and the linear electrodes. The line of force on the planar and the linear electrodes and on the boundary line between the planar and the linear electrodes has the vertical and the horizontal components, and the liquid crystal molecules are re-arranged to have a twist angle and a tilt angle. The polarization of the incident light varies due to the rearrangement of the liquid crystal molecules. | 04-29-2010 |
| 20110279758 | LIQUID CRYSTAL DISPLAY HAVING A MODIFIED ELECTRODE ARRAY - A liquid crystal display having electrodes on a single substrate. A transparent planar electrode elongated in the transverse direction is formed on the inner surface of a substrate, and an insulating film is deposited thereon. A plurality of linear electrodes, which are elongated in the longitudinal direction and either transparent or opaque, are formed on the insulating film. Potential difference between the planar and the linear electrodes generated by applying voltages to the electrodes yields an electric field. The electric field is symmetrical with respect to the longitudinal central line of the linear electrodes, and has parabolic or semi-elliptical lines of force having a center on a boundary line between the planar and the linear electrodes. The line of force on the planar and the linear electrodes and on the boundary line between the planar and the linear electrodes has the vertical and the horizontal components, and the liquid crystal molecules are re-arranged to have a twist angle and a tilt angle. The polarization of the incident light varies due to the rearrangement of the liquid crystal molecules. | 11-17-2011 |
Hyun-Sik Park, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100289016 | ORGANIC LIGHT EMITTING DIODE AND MANUFACTURING METHOD THEREOF - Disclosed is an organic light emitting diode, in which the light transmittance of a transparent cathode is improved, and which includes a substrate, a first electrode formed on the substrate, an organic layer formed on the first electrode, a second electrode formed on the organic layer, and a transparent layer formed at either one or both of a position between the organic layer and the second electrode and a position on the upper surface of the second electrode and including any one selected from among an oxide, a nitride, a salt and mixtures thereof, so that the formation of the transparent layer on the cathode results in increased light transmittance and decreased resistance, thereby improving electrical performance of products. A method of manufacturing the organic light emitting diode is also provided. | 11-18-2010 |
| 20100289017 | ORGANIC LIGHT EMITTING DIODE AND MANUFACTURING METHOD THEREOF - Disclosed is an organic light emitting diode, which has improved light transmittance and which includes a first substrate and a second substrate, a first electrode formed on the first substrate, an organic layer formed on the first electrode, a second electrode formed between the organic layer and the second substrate, and an antireflective layer formed on at least one surface of at least one of the first substrate and the second substrate and having a predetermined refractive index, so that the formation of the antireflective layer on any outer surface of at least one of the first substrate and the second substrate results in increased transmittance, thus improving reliability of products. A method of manufacturing the organic light emitting diode is also provided. | 11-18-2010 |
Hyun-Sik Yoon, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080243869 | INTER-HOME SHARING APPARATUS AND METHOD USING HOME NETWORK DEVICE - An inter-home content sharing apparatus and method are provided. The inter-home content sharing apparatus includes a home network protocol stack which communicates with the home network devices according to a home network protocol; a remote storage controller which receives a request for sharing content from the home network devices through the home network protocol, connects to a remote storage to upload the content, and controls the remote storage to extract metadata of the content; and a message controller which controls transception of notification messages including sharing information on the uploaded content. | 10-02-2008 |
| 20100036812 | Method and apparatus for generating and providing relevant information related to multimedia content - A method of generating relevant information related to multimedia content at a client that reproduces the multimedia content includes accessing a blog service connected to the client, selecting the first content of the multimedia content, for which relevant information is to be generated, by using the blog service, generating the relevant information using a template according to the type of the relevant information generated with respect to the first content, and transmitting the generated relevant information to a server. | 02-11-2010 |
| 20100057692 | Method and apparatus for collecting and providing information of interest to user regarding multimedia content - A method of collecting information of interest to a user regarding multimedia content is described. The method may include receiving first content about the information of interest to the user among the multimedia content, collecting metadata of the first content by using a uniform resource identifier (URI) of the first content, extracting at least one first information object including a schema according to a search category from the metadata, and storing the first information object in a first database. | 03-04-2010 |
| 20110102415 | DISPLAY APPARATUS - A display apparatus includes a timing controller, a data driver, and display panel. The timing controller outputs a plurality of image signals, a first control signal, and a second control signal. The data driver converts the image signals to first voltages in response to the first control signal, outputs the first voltages, and outputs a second voltage swinging between two different voltage levels in at least one frame unit in response to the second control signal. The display panel includes a plurality of pixels, where each receives a corresponding one of the first voltages and the second voltage to display an image. | 05-05-2011 |
| 20110169799 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display includes a liquid crystal layer disposed between first and second substrates. A gate line transmits gate signals; a first data line transmits data voltages; a first voltage line alternately transmits a first voltage and a second voltage that is than greater than the first voltage; a first switching element is connected to the gate line and the first data line; a second switching element is connected to the gate line and the first voltage line; a first pixel electrode is connected to the first switching element; and a second pixel electrode is connected to the second switching element. The first pixel electrode and the second pixel electrode form a liquid crystal capacitor along with the liquid crystal layer, and at least one of the first voltage and the second voltage is variable. | 07-14-2011 |
Hyun-Sik Yu, Seongnam-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090059061 | Digital photographing apparatus and method using face recognition function - A digital photographing apparatus and method using a face recognition function for obtaining an image in which a plurality of faces are focused by setting AF areas in the plurality of recognized faces and photographing the faces in a bracket mode based on the set AF areas. The digital photographing apparatus includes: a face recognition unit detecting face information from a real image; an AF region setting unit setting a plurality of AF areas based on the detected face information; and a control unit operating so that an image is captured by adjusting focuses of the set plurality of AF areas. | 03-05-2009 |