Patent application number | Description | Published |
20100254865 | HYDROGEN GENERATING APPARATUS USING STEAM REFORMING REACTION - Disclosed herein is an apparatus for generating hydrogen by steam reforming. The apparatus comprises: a casing having provided in the central portion thereof a combustion section for producing high-temperature reaction heat; a flame guide provided such that it forms the outer wall of the combustion section while a space is provided outside thereof; a plurality of catalytic tubes arranged concentrically with respect to the combustion section in the space outside the flame guide; a feed supply manifold disposed at one side of the inside of the casing so as to distribute a feed supplied from the outside of the apparatus to each of the catalytic tubes; a reformate manifold connected with one end of each of the catalytic tubes so as to discharge a reformate obtained by the reforming reaction to the outside of the apparatus; and a support member which consists of an inner ring plate formed at one side of the inside of the casing and an outer ring plate disposed concentrically around the outer circumference of the inner ring plate and which has formed at the boundary between the inner and outer ring plates tube holes into which one end of each of the catalytic tubes is inserted. In the hydrogen generating apparatus, the structure of the support member supporting the plurality of catalytic tubes is simply divided into the inner ring plate and the outer ring plate, such that the expansion and shrinkage of the support member by thermal stress can be efficiently compensated for. As a result, deformation and breakdown of the support member caused by thermal stress can be prevented, thus improving the overall durability and stability of the hydrogen generating apparatus. | 10-07-2010 |
20110194998 | HYDROGEN GENERATOR USING STEAM-REFORMING REACTION - Disclosed herein is a hydrogen generator for producing hydrogen by the steam-reforming reaction of hydrocarbons, in which a pressure loss induction structure for artificially reducing the pressure of exhaust gas is provided between a combustion unit and an exhaust gas discharge pipe, thus improving the uneven distribution of exhaust gas. | 08-11-2011 |
20130030231 | CATALYST FOR A HYDROGENATION DEWAXING PROCESS AND METHOD FOR MANUFACTURING SAME - The present invention relates to a bifunctional catalyst for a hydrodewaxing process with improved isomerization selectivity, and to a method for manufacturing the same, and more particularly to a bifunctional catalyst and to a method for manufacturing same, which is characterized in that EU-2 zeolite with a controlled degree of phase transformation is used as a catalyst support having an acid site. The EU-2 zeolite, the degree of phase transformation of which is controlled, includes, by controlling synthesis parameters of EU-2, predetermined amounts of materials that are phase-transformed from EU-2 crystals such as cristobalite and quartz. The metal loaded bifunctional catalyst according to the present invention improves selectivity of the isomerization process, rather than a cracking reaction, during a hydroisomerization reaction of n-hexadecane. Therefore, the bifunctional catalyst can be widely used as a catalyst for a dewaxing process such as lubricant base oil and diesel oil. | 01-31-2013 |
20140367310 | CATALYST FOR A HYDRODGENATION DEWAXING PROCESS AND METHOD FOR MANUFACTURING SAME - The present invention relates to a bifunctional catalyst for a hydrodewaxing process with improved isomerization selectivity, and to a method for manufacturing the same, and more particularly to a bifunctional catalyst and to a method for manufacturing same, which is characterized in that EU-2 zeolite with a controlled degree of phase transformation is used as a catalyst support having an acid site. The EU-2 zeolite, the degree of phase transformation of which is controlled, includes, by controlling synthesis parameters of EU-2, predetermined amounts of materials that are phase-transformed from EU-2 crystals such as cristobalite and quartz. The metal loaded bifunctional catalyst according to the present invention improves selectivity of the isomerization process, rather than a cracking reaction, during a hydroisomerization reaction of n-hexadecane. Therefore, the bifunctional catalyst can be widely used as a catalyst for a dewaxing process such as lubricant base oil and diesel oil. | 12-18-2014 |
Patent application number | Description | Published |
20090186608 | MULTI-STANDBY MOBILE TERMINAL AND HOST FUNCTION PROVIDING METHOD FOR THE SAME - A multi-standby mobile terminal and a method for providing a host function between different networks in a multi-standby mobile terminal are provided. The method includes creating a call from a first mobile terminal, as a multi-standby mobile terminal, to a second mobile terminal on a first network and to a third mobile terminal on a second network, outputting a received voice signal through a speaker from the first mobile terminal, when the voice signal is received from one of the second mobile terminal and third mobile terminal, and, transmitting, from the first mobile terminal, the received voice signal through a loopback process to the one of the second mobile terminal and third mobile terminal that does not transmit the voice signal. | 07-23-2009 |
20090190563 | METHOD AND CIRCUIT FOR CONTROLLING RECEPTION PATH OF MULTI-STANDBY TERMINAL - A method and a circuit for controlling a reception path of a multi-standby terminal are provided. If a first communication module is in a transmission state, all filters disposed in a reception path of a second communication module are activated. If the first communication module is not in a transmission state, fewer than all of the filters disposed in the reception path of the second communication module are activated. A plurality of filters disposed in the reception path of the second communication module are activated partially or fully according to the transmission state of the first communication module. | 07-30-2009 |
20090286576 | METHOD FOR CONTROLLING POWER IN DUAL-STANDBY MODE MOBILE TERMINAL AND APPARATUS THEREOF - The present invention relates to a method for controlling a transmission power of a dual standby mode mobile terminal. A method of controlling a transmission power of the invention includes performing a conversation standby service with a first communications network while performing a conversation service with a second communications network, and receiving a first power control level from a base station of the first communications network; comparing a second power control level that corresponds to a power code, which is set for a current output signal power, with the first power control level; and decreasing a current power code when the first power control level is greater than or equal to the second power control level. | 11-19-2009 |
Patent application number | Description | Published |
20130259733 | SINTERED ALLOY FOR VALVE SEAT AND MANUFACTURING METHOD OF EXHAUST VALVE SEAT USING THE SAME - A sintered alloy for a valve seat may be manufactured using a method including: mixing MnS with an alloy powder for a valve seat including C at 0.8-1.2 wt %, Ni at 2.0-4.5 wt %, Cr at 3.0-5.0 wt %, Mo at 16.0-20.0 wt %, Co at 9.0-13.0 wt %, V at 0.05-0.15 wt %, S at 0.2-0.8 wt %, Fe, and additional inevitable impurities; making a first shape by forming the mixed materials; pre-sintering the first formed shape; making a secondary shape by re-pressing the first pre-sintered shape; main-sintering the secondary shape; and tempering the main-sintered secondary shape. | 10-03-2013 |
20130263799 | GLOW PLUG AND ELECTRIC THERMOSTAT WITH THE SAME - A glow plug may include: i) a hollow plug housing that is mounted on a plug mount in an insulation status; ii) a center shaft that is fixed to one end of the plug housing in an insulation status and receives power from the outside; iii) a heating unit that is connected to the center shaft and the other end of the plug housing, and generates heat using a potential difference; and iv) a connecting unit that insulates the plug mount and the center shaft, is coupled to the plug mount, and electrically connects with center shaft with the plug housing. | 10-10-2013 |
20130263800 | ELECTRONIC THERMOSTAT - An electronic thermostat apparatus for controlling a temperature of a coolant of an engine in a vehicle may include a housing connected to a plurality of flow paths through which the coolant of the engine flows, a wax case installed inside the housing and provided with a wax accommodation space therein, a glow plug heater inserted in a wax filled inside the wax accommodation space and configured to generate heat by receiving an external power, a driving body engaged to the wax case and moving according to deformation of the wax by the heat of the glow plug heater, a main valve engaged to the driving body and configured to open/close a radiator-side flow path by a movement of the driving body, and an elastic member elastically biasing the main valve to the radiator-side flow path. | 10-10-2013 |
20130263801 | THERMOSTAT - A thermostat apparatus may include a valve body including a first valve formed to open or close a first passage thereon, and a second valve integrally connected to the first valve and opening or closing a second passage, an elastic member that elastically biases the valve body toward the first passage such that the first valve closes the first passage and the second valve opens the second passage, and a drive member that selectively pushes the valve body toward the second passage such that the first valve opens the first passage and the second valve closes the second passage. | 10-10-2013 |
20130263802 | ENGINE COOLING SYSTEM, ELECTRONIC THERMOSTAT CONTROL SYSTEM AND CONTROL METHOD FOR THE SAME - An electronic thermostat control system may include a control duty determination portion outputting PWM duty signal for controlling the coolant temperature according to a coolant temperature, a rising rate of the coolant temperature, an engine speed, a load and a vehicle speed, a driving portion applying a time condition to the PWM duty signal output by the control duty determination portion for controlling outputting interval, and a fault diagnosis portion diagnosing operations of the electronic thermostat by analyzing the signals output by the driving portion and changes of the coolant temperature. | 10-10-2013 |
20140097259 | THERMOSTAT - A thermostat apparatus may include a valve body including a first valve, a second valve, wherein the first valve may be integrally connected with the second valve , and a drive portion the drive portion includes a wax case that wax may be charged therein, a piston guide connected to a front end portion of the wax case, a piston that may be slidably inserted into the piston guide and movable in accordance with expansion or contraction of the wax, a semi-fluid that may be charged between the wax and the piston, and a rubber layer that may be formed on an upper end portion surface of the piston to seal a space the piston and an interior circumference of the piston guide. | 04-10-2014 |
20140103124 | CONTROL SYSTEM OF ELECTRICAL THERMOSTAT AND THE SYSTEM THEREOF - A control method of an electrical thermostat that includes an operating heater heating wax so as to operate an operating valve that may be disposed to close a coolant passage according to an exemplary embodiment of may include detecting a coolant temperature of coolant circulating a coolant passage, determining whether the coolant temperature may be included in a predetermined heating temperature range, performing a coolant heating mode by supplying a predetermined level of power to the operating heater for a predetermined time, if the coolant temperature may be within the heating temperature range, and stopping the coolant heating mode in a condition that the operating valve may be closed. | 04-17-2014 |
20140182522 | ENGINE HAVING THERMOSTAT AND SYSTEM THEREOF - An engine system may include a thermostat casing connected to a first, second, third, and fourth flow channels, a valve guide in which a main valve that opens and closes the first flow channel is formed at one side, a closing valve that opens and closes the second flow channel is formed at the other side, and a bypass valve is formed adjacent to the closing valve, an elastic member that elastically supports the valve guide to enable the main valve to block the first flow channel and the closing valve to block the second flow channel, a driver that moves the valve guide so that the main valve opens the first flow channel and the closing valve opens the second flow channel according to a temperature of a coolant, and a control unit that controls the temperature and a flow of the coolant by controlling the driver. | 07-03-2014 |
20140345547 | COOLING SYSTEM OF ENGINE - A cooling system of an engine may include an engine that has a cylinder block where a cylinder is formed therein and a cylinder head that covers the cylinder block, a radiator that is disposed outside the engine, a first thermostat that is disposed on a coolant line connecting the engine with the radiator in such a way that the coolant passes the radiator or does not pass the radiator, and a second thermostat that is configured to make the coolant selectively pass the coolant line that is formed in the cylinder block. | 11-27-2014 |
20150176470 | ENGINE HAVING MULTI FLOW RATE CONTROL VALVE - An engine having a multi flow rate control valve may include a valve, a valve housing and a driving unit. The valve may have a hollow pipe structure and coolant holes through which a coolant supplied to a space at a center portion of the valve is to be distributed and cooled outside of the valve. The valve housing may be coupled with the valve such that an inner side of the valve housing is capable of being in close contact with an outer side of the valve, and have coolant outlets formed at positions corresponding to the coolant holes. The driving unit may rotate the valve to selectively connect the respective coolant holes to the corresponding coolant outlets or close the coolant holes by bringing them in close contact with the inner side of the valve housing. | 06-25-2015 |
Patent application number | Description | Published |
20120218317 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes generating compensated grayscale data by increasing grayscale data corresponding to an N-th gate line of a plurality of gate lines of the display panel, where N is a natural number, generating a data voltage based on the compensated grayscale data, outputting the data voltage to the display panel including a plurality of pixel electrodes and a plurality of data lines, where each of the plurality of data lines is alternately connected to the plurality of pixel electrodes in a first pixel column and the plurality of pixel electrodes in a second pixel column, generating a storage voltage having a first level and a second level, where the second level is lower than the first level, and applying the storage voltage to the display panel. | 08-30-2012 |
20120249620 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A display apparatus includes a display panel, a timing controller, data and gate driving parts. The display panel includes first and second substrates, and a liquid crystal layer disposed between the first and second substrates, and displays an image. The timing controller includes a data compensating unit that outputs compensated grayscale data in an n-th pixel row, based upon a coupling capacitance generated according to a grayscale data variation between an (n−1)-th pixel row and the n-th pixel row, n′ being a natural number. The data driving part converts the compensated grayscale data to an analog data voltage, and outputs the analog data voltage to data lines. | 10-04-2012 |
20130038621 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 02-14-2013 |
20130057565 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - In order to reduce power consumption of a display device when a still picture is to be displayed, a display area of the device is subdivided into a plurality of Still Picture Refresh Groups (SPRGoP's), with each SPRGoP consisting of n pixels. All n of the pixels are charged in every one of sequential frames when a motion picture mode is in effect. Less than all of the n pixels of each SPRGoP are refreshed in each frame of an N-frame refresh cycle when a still picture mode is in effect. Different schemes for cycling through the n pixels of each SPRGoP are disclosed. | 03-07-2013 |
20130106876 | DISPLAY DEVICE AND DRIVING METHOD THEREOF | 05-02-2013 |
20130113811 | DISPLAY DEVICE AND METHOD FOR DRIVING THE DISPLAY DEVICE - A display device includes a display panel for displaying a still image and for displaying a motion picture. The display panel includes a gate line, a data line, a storage electrode line, a first switching element connected to the gate line and the date line, a storage connected to the switching element and the storage electrode line. The display device further includes a signal controller for providing controlling signals to drive the display panel. The display panel is driven at a first frequency when the motion picture is displayed. The display panel is driven at a second frequency lower than the first frequency when the still image is displayed. When the display panel is driven at the second frequency, a common voltage inputted to the storage electrode line changes. | 05-09-2013 |
20130135330 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel having gate lines and data lines, a signal controller driving the display panel, a graphic processing unit transmitting input image data to the signal controller, a gate driver driving the gate lines, and a data driver driving the data lines. The display panel is driven at a first frequency when displaying a moving image and driven at a lower frequency when displaying a still image. The signal controller includes a frame memory storing the input image data, a calculator calculating a representative value of image data stored in the frame memory, a line memory storing the representative value, and a kick-back corrector generating auxiliary image data by correcting the representative value according to a kick-back voltage. The data driver applies an auxiliary voltage corresponding to the auxiliary image data to the data lines in a vertical blank period when displaying the still image. | 05-30-2013 |
20130215094 | DISPLAY DEVICE AND RELATED METHOD - A display device includes a display panel that includes a first pixel and a second pixel, the first pixel being associated with a positive pixel voltage relative to a data voltage and being associated with a first leakage current, the second pixel being associated with a negative pixel voltage relative to the data voltage and being associated with a second leakage current. The display device further includes a gate driver for providing a first gate-off voltage having a first value to at least one of the first pixel and the second pixel, the first value being in a range determined based on an equality-enabling value, wherein a value of the first leakage current is equal to a value of the second leakage current if the first gate-off voltage having the equality-enabling value is provided to the at least one of the first pixel and the second pixel. | 08-22-2013 |
20140176407 | DISPLAY DEVICE - A display device includes pixels respectively arranged in areas defined by gate lines and data lines, a gate driver that drives the gate lines in response to a gate pulse signal, a data driver that drives the data lines in response to a clock signal and a data signal, and a timing controller that applies the clock signal and the data signal to the data driver and the gate pulse signal to the gate driver in response to an image signal and a control signal. The timing controller periodically changes a pulse width of each of the gate pulse signal and the clock signal. | 06-26-2014 |
20140232741 | Image Processing Method and Display Apparatus Using the Same - An image processing method includes receiving an RGB data, converting the RGB data to an HSV data configured to include hue, saturation, and value compensating for the HSV data on a basis of a hue data of the HSV data, and converting the compensated HSV data to a compensated RGB data. The compensating of the HSV data includes reading out a compensation data corresponding to the hue data from a look-up table and compensating for the HSV data using the compensation data. The data are compensated on the basis of the hue in the HSV color space and the saturation and value are preserved, and thus the image, e.g., the memory color like the skin color, may be prevented from being distorted. | 08-21-2014 |
20140306984 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - Disclosed are a display device and a driving method thereof. The display device includes: a first lookup table that stores first color compensation data optimized to display a first color; a second lookup table that stores second color compensation data optimized to display a second color different from the first color; and a color compensating unit that refers to the first lookup table and the second lookup table. | 10-16-2014 |
20150371609 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 12-24-2015 |
Patent application number | Description | Published |
20100234077 | MOBILE TERMINAL AND METHOD FOR PROVIDING USER INTERFACE THEREOF - A mobile terminal including a controller configured to execute an operation mode relating to one or more functions of the mobile terminal; a sensor configured to detect a motion of a pen unit by sensing ultrasonic waves generated by the pen unit; a display configured to display information; and a wireless communication unit configured to wireless communicate with at least one other mobile terminal. Further, the controller is further configured to compare the motion of the pen unit with a preset specific pattern, and to execute an operation corresponding to the specific pattern based on a result of the comparison. | 09-16-2010 |
20130044509 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a first light guide plate, a second light guide plate, a light source part and a cover part. The second light guide plate is spaced apart from the first light guide plate. The light source part includes a first light source providing light to the first light guide plate and a second light source providing light to the second light guide plate. The cover part is disposed over the light source part. The cover part overlaps with a portion of the first light guide plate and a portion of the second light guide plate. A display apparatus having the above configuration has a narrow bezel and a thin profile. | 02-21-2013 |
20140078719 | DISPLAY MODULE OF DISPLAY DEVICE - A display module of a display device includes a display panel, a middle frame configured to seat and fix the display panel, an upper receiving frame including a front part covering an edge part of an upper surface of the display panel and a side part covering the side surfaces of the display panel and the middle frame and a one-sided conductive rubber pad located between the upper receiving frame and the display panel. The one-sided conductive rubber pad includes a conductive first surface and a non-conductive second surface facing each other, the first surface faces the display panel, and the second surface is in contact with the upper receiving frame. | 03-20-2014 |
20150023001 | BACKLIGHT ASSEMBLY AND A DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a first light source part including a plurality of light sources and extending in a first direction, a second light source part including a plurality of light sources, wherein the second light source part is spaced apart from and in parallel with the first light source part, and a driving part disposed between the first light source part and the second light source part. The driving part is connected to the first and second light source parts, and is configured to drive the light sources of the first and second light source parts. | 01-22-2015 |