Patent application number | Description | Published |
20130281116 | METHOD AND APPARATUS FOR COMPENSATING ESTIMATED LOCATION OF WIRELESS NETWORK ELEMENTS ESTIMATED FROM INFORMATION COLLECTED BY HETEROGENEOUS TERMINALS - A method and apparatus for compensating an estimated location of a wireless network element from information collected by heterogeneous terminals rae provided. The method may include receiving information on a received signal strength indication (RSSI) of a wireless network element and location information of a heterogeneous terminal from the heterogeneous terminal by a wireless network element positioning server, compensating the information on the RSSI received from the heterogeneous terminal into information on an RSSI received from a predetermined reference terminal, using a difference value model of the RSSI of the wireless network element between heterogeneous terminals, the difference model generated in advance, and estimating a location of the wireless network element using the compensated information on the RSSI from the reference terminal and the received location information. | 10-24-2013 |
20150189478 | APPARATUS AND METHOD FOR LOADING RADIOMAP DATABASE, AND TERMINAL DEVICE - An apparatus and method for loading a radiomap database (DB) and a terminal device are disclosed. The apparatus for loading a radiomap DB includes a moving information calculation unit, and a loading performance unit. The moving information calculation unit calculates the moving information of a terminal based on the difference between a previous location and estimated final location of the terminal as the terminal moves. The loading performance unit loads a radiomap DB, including information about a neighboring node of each reference point, and a radiomap DB, including information about a neighboring node of a reference point, located in a direction in which the terminal moves, based on the moving information calculated by the moving information calculation unit. | 07-02-2015 |
20150201303 | APPARATUS AND METHOD FOR CORRECTING LOCATION OF BASE STATION - Disclosed herein is an apparatus and method for correcting the location of a base station. The apparatus includes a data collection unit for receiving collected data including collection places and scan data acquired from the collection places from a collection-only terminal, and receiving scan data having no collection places from a user service terminal. A determination unit obtains correlations between respective base stations based on a number of times each base station in an identical search group is found in a search using the collected data or the scan data, and determines whether a base station has been moved, deleted or added, based on the correlations between respective base stations. A location specification unit specifies a location of the corresponding base station that has changed due to any one of the movement, deletion, and addition of the base station, based on results of the determination. | 07-16-2015 |
Patent application number | Description | Published |
20090086339 | Subminiature optical system - There is provided a subminiature optical system mounted in a mobile communication terminal and a personal digital assistant (PDA) or used for a monitoring camera and a digital camera. The subminiature optical system includes: a first lens entirely having a positive refractive power and comprising a first lens element having an object-side surface convex toward the object on an optical axis; a second lens element having an object-side surface in contact with an image-side surface of the first lens element; and a third lens element having an object-side surface in contact with an image-side surface of the second lens element and an image-side surface concave toward an image on the optical axis; and a second lens entirely having a positive refractive power and comprising a fourth lens element having an object-side surface convex toward the object on the optical axis; and a fifth lens element having an object-side surface in contact with an image-side surface of the fourth lens element and an image-side surface formed of a plane. | 04-02-2009 |
20090147368 | Method for manufacturing wafer scale lens assembly and wafer scale lens assembly manufactured by the same - A method for manufacturing a wafer scale lens assembly, and a wafer scale lens assembly manufactured by the same are disclosed. The method includes forming a plurality of transmissive regions and a plurality of non-transmissive regions on an object-side surface or an image-side surface of each of first and second lens substrates, forming a plurality of lens elements having refractive power on at least one of the object-side surface and the image-side surface of each of the first and second lens substrates, and stacking the first and second lens substrates, with a spacer interposed between the first lens substrate and the second lens substrate. Accordingly, image quality is improved by preventing undesired light from forming an image on an image plane of an image sensor. The process time is reduced to reduce a manufacturing cost. | 06-11-2009 |
20100053772 | Lens assembly and manufacturing method of the same - There is provided a lens assembly including: a first lens part including a first lens surface as an object-side surface, a second lens surface as an image-side surface, and a peripheral part defining a periphery of the second lens surface; a second lens part disposed at an image side of the first lens part and including at least one lens; a spacer spacing the first lens part and the second lens part from each other; and a light adjustor disposed between the second lens surface and the peripheral part, the light adjustor totally reflecting or refracting light incident at a predetermined angle of view or more. | 03-04-2010 |
20120162794 | LENS MODULE - There is provided a lens module. The lens module according to the present invention may include a lens unit including one or more lenses, each having a lens function part and a flange part forming a circumference of the lens function part; and a piezoelectric body disposed on the flange part so as to shield unnecessary light incident through the lens unit and performing autofocusing according to an application of voltage thereto. | 06-28-2012 |
20120176688 | Method of manufacturing lens and lens manufactured using the same - There is provided a method of manufacturing a lens, including applying a second lens material to a first lens member made of a first lens material; aligning and fixing a light shielding member to the second lens material; and further applying the second lens material to the first lens member and performing curing thereon to complete a second lens member. | 07-12-2012 |
20120177819 | Method of manufacturing lens - There is provided a method of manufacturing a lens, including: forming a first lens layer having a protrusion and a groove part formed on a first surface thereof; forming a light shielding layer on the first surface; and forming a second lens on the first surface. | 07-12-2012 |
Patent application number | Description | Published |
20130086425 | SYSTEM TEST APPARATUS - The present invention relates to a system test apparatus. The system test apparatus includes an insertion module configured to insert a test agent into a process control block, a hooking module configured to hook a test target to a test code using the test agent when an event related to the test target occurs, a scanning module configured to collect pieces of test information about a process in which the event related to the test target has occurred when the test target is hooked, and a logging module configured to store the pieces of test information collected by the scanning module. | 04-04-2013 |
20130086426 | EXCEPTION HANDLING TEST DEVICE AND METHOD THEREOF - The present invention relates to an exception handling test apparatus and method. The exception handling test apparatus includes a generation module configured to generate a modified device driver based on a defect model and information obtained from the device manager, a hooking module configured to hook the device driver using the modified device driver, a scanning module configured to collect test information returned from the hooked modified device driver to the application while the application operates, and an analysis module configured to analyze the collected test information. | 04-04-2013 |
20130091390 | COMMUNICATION TEST APPARATUS AND METHOD - The present invention relates to a communication test apparatus. The communication test apparatus includes an insertion module configured to insert a test agent into the process control block, a hooking module configured to hook a test target to a test code using the test agent when an event-related to communication occurs between the plurality of processes, a scanning module configured to collect pieces of test information about communication between the plurality of processes when the test target is hooked to the test code, and a logging module configured to store the pieces of test information collected by the scanning module. | 04-11-2013 |
20140310359 | VEHICLE INFORMATION PROVIDING SYSTEM - A vehicle information providing apparatus provides vehicle information based on a message policy script including a message ID containing data required by each of multiple services, location and length of data in a message, and an interval at which the data is required by each of the services. The apparatus provides messages by filtering the message ID or the interval, or creates and provides a new message containing necessary data only. | 10-16-2014 |
20150108922 | MOTOR DRIVING DEVICE FOR VEHICLE - A motor driving device for a vehicle relates to a technology for preventing motor deterioration by controlling a stall current when a motor is controlled for vehicle air-conditioning. The motor driving device includes: a stall current detector that outputs a current detection signal by detecting a stall current of a motor, a controller that pre-stores a control specification of the motor, and outputs a control signal in response to the control specification when the current detection signal is activated; and an output driver that outputs a drive signal for controlling driving of the motor in response to the control signal. | 04-23-2015 |
Patent application number | Description | Published |
20090183772 | POLYCRYSTALLINE SILICON SOLAR CELL HAVING HIGH EFFICIENCY AND METHOD FOR FABRICATING THE SAME - Disclosed herein is a method of forming a light-absorbing layer of a polycrystalline silicon solar cell, including: forming a polycrystalline silicon layer on a back electrode; forming an intrinsic amorphous silicon layer on the polycrystalline silicon layer; and heat-treating the transparent insulating substrate to vertically crystallize the intrinsic amorphous silicon layer using the polycrystalline silicon layer as a seed for crystallization through a metal induced vertical crystallization (MIVC) process to form the intrinsic amorphous silicon layer into a light-absorbing layer made of polycrystalline silicon, and is a method of fabricating a high-efficiency polycrystalline silicon solar cell using the light-absorbing layer. | 07-23-2009 |
20110306164 | METHOD FOR MANUFACTURING SOLAR CELL - A method for manufacturing a solar cell according to an exemplary embodiment includes: forming a first doping film on a substrate; patterning the first doping film so as to form a first doping film pattern and so as to expose a portion of the substrate; forming a diffusion prevention film on the first doping film pattern so as to cover the exposed portion of the substrate; etching the diffusion prevention film so as to form spacers on lateral surfaces of the first doping film pattern; forming a second doping film on the first doping film pattern so as to cover the spacer and exposed substrate; forming a first doping region on the substrate surface by diffusing an impurity from the first doping film pattern into the substrate; and forming a second doping region on the substrate surface by diffusing an impurity from the second doping film pattern into the substrate. | 12-15-2011 |
20120012173 | SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solar cell includes disposing a first doping layer on a substrate, disposing a diffusion preventing layer on the first doping layer, patterning the first doping layer and the diffusion preventing layer to expose a portion of the substrate, forming a second doping layer which is disposed on the exposed portion of the substrate on the diffusion preventing layer, diffusing an impurity from the first doping layer to form a first doping region in a surface of the substrate and diffusing an impurity from the second doping layer to form a second doping region in the surface of the substrate surface, wherein the exposed portion of the substrate formed by patterning the first doping layer and the diffusion preventing layer and a portion of the remaining first doping layer and the diffusion preventing layer which are not patterned are alternately arranged with a lattice shape, and the first doping region and the second doping region are alternately arranged with the lattice shape. | 01-19-2012 |
20120012176 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell includes a substrate, a doped pattern, a contact layer, and an electrode. The substrate includes a first surface onto which sunlight is incident and a second surface facing the first surface. The doped pattern is formed on the second surface of the substrate and the contact layer is formed on the doped pattern. The electrode is formed on the contact layer and is electrically connected to the doped pattern. Accordingly, a contact resistance between the substrate and the electrode may be decreased, so that the doped pattern and the electrode may be uniformly formed and a power efficiency of the solar cell may be improved. | 01-19-2012 |
20120021557 | METHOD FOR MANUFACTURING A SOLAR CELL - A method for manufacturing a solar cell comprises disposing a first doping layer on a substrate, forming a first doping layer pattern by patterning the first doping layer to expose a portion of the substrate, disposing a second doping layer on the first doping layer pattern to cover the exposed portion of the substrate, diffusing an impurity from the first doping layer pattern which forms a first doping region in a surface of the substrate, and diffusing an impurity from the second doping layer which forms a second doping region in the surface of the substrate, wherein the forming of the first doping layer pattern uses an etching paste. | 01-26-2012 |
20120094426 | METHOD FOR MANUFACTURING A SOLAR CELL - A method for manufacturing a solar cell comprises disposing a first doping layer on a substrate, forming a first doping layer pattern by patterning the first doping layer to expose a portion of the substrate, disposing a second doping layer on the first doping layer pattern to cover the exposed portion of the substrate, diffusing an impurity from the first doping layer pattern which forms a first doping region in a surface of the substrate, and diffusing an impurity from the second doping layer which forms a second doping region in the surface of the substrate, wherein the forming of the first doping layer pattern uses an etching paste. | 04-19-2012 |
20120094427 | METHOD FOR MANUFACTURING A SOLAR CELL - A method for manufacturing a solar cell comprises disposing a first doping layer on a substrate, forming a first doping layer pattern by patterning the first doping layer to expose a portion of the substrate, disposing a second doping layer on the first doping layer pattern to cover the exposed portion of the substrate, diffusing an impurity from the first doping layer pattern which forms a first doping region in a surface of the substrate, and diffusing an impurity from the second doping layer which forms a second doping region in the surface of the substrate, wherein the forming of the first doping layer pattern uses an etching paste. | 04-19-2012 |
20120270365 | METHOD FOR MANUFACTURING SOLAR CELL - A method for manufacturing a solar cell according to an exemplary embodiment includes: forming a first doping film on a substrate; patterning the first doping film so as to form a first doping film pattern and so as to expose a portion of the substrate; forming a diffusion prevention film on the first doping film pattern so as to cover the exposed portion of the substrate; etching the diffusion prevention film so as to form spacers on lateral surfaces of the first doping film pattern; forming a second doping film on the first doping film pattern so as to cover the spacer and exposed substrate; forming a first doping region on the substrate surface by diffusing an impurity from the first doping film pattern into the substrate; and forming a second doping region on the substrate surface by diffusing an impurity from the second doping film pattern into the substrate. | 10-25-2012 |
Patent application number | Description | Published |
20110055526 | METHOD AND APPARATUS FOR ACCESSING MEMORY ACCORDING TO PROCESSOR INSTRUCTION - There is provided a method and apparatus for accessing a memory according to a processor instruction. The apparatus includes: a stack offset extractor extracting an offset value from a stack pointer offset indicating a local variable in the processor instruction; a local stack storage including a plurality of items, each of which is formed of an activation bit indicating whether each item is activated, an offset storing an offset value of a stack pointer, and an element storing a local variable value of the stack pointer; an offset comparator comparing the extracted offset value with an offset value of each item and determining whether an item corresponding to the extracted offset value is present in the local stack storage; and a stack access controller controlling a processor to access the local stack storage or a cache memory according to a determining result of the offset comparator. | 03-03-2011 |
20110099334 | CORE CLUSTER, ENERGY SCALABLE VECTOR PROCESSING APPARATUS AND METHOD OF VECTOR PROCESSING INCLUDING THE SAME - A core cluster includes a cache memory, a core, and a cluster cache controller. The cache memory stores and provides instructions and data. The core accesses the cache memory or a cache memory provided in an adjacent core cluster, and performs an operation. The cluster cache controller allows the core to access the cache memory when the core requests memory access. The cluster cache controller allows the core to access the cache memory provided in the adjacent core cluster when the core requests a clustering to the adjacent core cluster. The cluster cache controller allows a core provided in the adjacent core cluster to access the cache memory when the core receives a clustering request from the adjacent core cluster. | 04-28-2011 |
20110107063 | VECTOR PROCESSING APPARATUS AND METHOD - There is provided a vector processing apparatus and method allowing for the parallel processing of a plurality of different instructions while maintaining vector processing architecture. The vector processing apparatus includes an instruction memory storing a multiple instruction group including one or more instructions; an instruction fetch unit reading the multiple instruction group from the instruction memory; and a plurality of instruction processing units each receiving the multiple instruction group through the instruction fetch unit, selecting a single instruction from the multiple instruction group according to a previous arithmetic result, and performing a arithmetic operation. | 05-05-2011 |
20120117357 | ENERGY TILE PROCESSOR - An energy tile processor in which an internal structure of a single processor is divided into a part for supplying instructions and another part for executing the instructions in order for operating voltages and operating frequencies to be supplied independently. The processor includes an instruction supply unit storing instructions and issuing instructions to be executed, a first execution unit executing an integer operation and a memory operation according to an operation type of the instruction issued by the instruction supply unit, and a second execution unit executing a floating point operation according to an operation type of the instruction issued by the instruction supply unit. The instruction supply unit, the first execution unit, and the second execution unit are driven at operating voltages and operating frequencies which are independently controlled. | 05-10-2012 |
20130080747 | PROCESSOR AND INSTRUCTION PROCESSING METHOD IN PROCESSOR - The present invention relates to a processor including: an instruction cache configured to store at least some of first instructions stored in an external memory and second instructions each including a plurality of micro instructions; a micro cache configured to store third instructions corresponding to the plurality of micro instructions included in the second instructions; and a core configured to read out the first and second instructions from the instruction cache and perform calculation, in which the core performs calculation by the first instructions from the instruction cache under a normal mode, and when the process enters a micro instruction mode, the core performs calculation by the third instructions corresponding to the plurality of micro instructions provided from the micro cache. | 03-28-2013 |
20140025894 | PROCESSOR USING BRANCH INSTRUCTION EXECUTION CACHE AND METHOD OF OPERATING THE SAME - A processor using a branch instruction execution cache and a method of operating the same are disclosed. The processor according to an example embodiment of the present invention includes a fetch unit, a branch prediction unit, an instruction queue, a decoding unit and an execution unit operating in a pipeline manner, and includes a branch instruction execution cache that stores address and decode information of a transferred instruction output from the decoding unit, and provides the stored address and at least some of pieces of the decode information to the execution unit in order to overcome branch misprediction when the execution unit determines the branch misprediction. Therefore, with the processor according to an example embodiment of the present invention, overhead of pipeline initialization can be minimized to prevent performance degradation of the processor and reduce power consumption of the processor. | 01-23-2014 |
20140344551 | DUAL-MODE INSTRUCTION FETCHING APPARATUS AND METHOD - The dual-mode instruction fetching apparatus includes a mode register, a branch prediction unit, a Program Counter (PC) calculator, an Instruction Queue (IQ), and a fetch multiplexer. The mode register is set to one of normal mode and line mode. The PC calculator accesses a tag in which the address indices of instructions have been stored or a line in which the instructions have been grouped and then outputs an instruction, or accesses only the line and then outputs an instruction depending on the type of set mode. The IQ stores instructions selected by an instruction selector from among the instructions grouped in the line. The fetch multiplexer fetches the instructions stored in the IQ if the normal mode has been set, and fetches instructions read from the line of an instruction cache if the line mode has been set. | 11-20-2014 |
20140344619 | PROCESSOR CAPABLE OF DETECTING FAULT AND METHOD OF DETECTING FAULT OF PROCESSOR CORE USING THE SAME - A processor capable of detecting fault and a method of detecting the fault of processor core using the same are disclosed. The processor includes a first processor core, a second processor core, and a fault manager. The first processor core includes one or more pipeline registers. The second processor core has a same structure as the first processor core, and is included in a single chip along with the first processor core. The comparator compares the value of the pipeline register of the first processor core with the value of the pipeline register of the second processor core. The fault manager performs a fault management operation if, as a result of the comparison of the comparator, it is determined that a fault has occurred. | 11-20-2014 |
20140359316 | METHOD AND APPARATUS FOR CONTROLLING OPERATION VOLTAGE OF PROCESSOR CORE, AND PROCESSOR SYSTEM INCLUDING THE SAME - A method and an apparatus for controlling an operation voltage of a processor core and a processor system including the same are provided. The apparatus for controlling an operation voltage of a processor core includes a voltage supplier and an operation voltage searching core. The voltage supplier supplies the operation voltage to the processor core. The operation voltage searching core requests the processor core to execute a program, and controls the operation voltage based on whether the program has been normally operated. | 12-04-2014 |
20150143045 | CACHE CONTROL APPARATUS AND METHOD - Provided are a cache control apparatus and method for reducing a miss penalty. The cache control apparatus includes a first level cache configured to store data in a memory, a second level cache connected to the first level cache, and configured to be accessed by a processor when the first level cache fails to call data according to a data request instruction, a prefetch buffer connected to the first and second level caches, and configured to temporarily store data transferred from the first and second level caches to a core, and a write buffer connected to the first level cache, and configured to receive address information and data of the first level cache. | 05-21-2015 |
20150143049 | CACHE CONTROL APPARATUS AND METHOD - Provided is a cache control apparatus and method that, when a plurality of processors read a program from the same memory in a chip, maintain coherency of data and an instruction generated by a cache memory. The cache control apparatus includes a coherency controller client configured to include an MESI register, which is included in an instruction cache, and stores at least one of a modified state, an exclusive state, a shared state, and an invalid state for each line of the instruction cache, and a coherency interface connected to the coherency controller and configured to transmit and receive broadcast address information, read or write information, and hit or miss information of another cache to and from the instruction cache. | 05-21-2015 |
20150149836 | RECOVERABLE AND FAULT-TOLERANT CPU CORE AND CONTROL METHOD THEREOF - A recoverable and fault-tolerant CPU core and a control method thereof are provided. The recoverable and fault-tolerant CPU core includes first, second, and third arithmetic logic circuits configured to perform a calculation requested by the same instruction, a first selector configured to compare calculation values output from the first, second, and third arithmetic logic circuits by the same instruction, determine as a normal state when two or more of the calculation values are the same, and if not, determine as a fault state, and a register file configured to record the calculation value having the same value, when determining as the normal state in the first selector. | 05-28-2015 |
20150212849 | APPARATUS AND METHOD FOR MULTICORE EMULATION BASED ON DYNAMIC CONTEXT SWITCHING - Provided are an apparatus and method for multicore emulation based on dynamic context switching. The apparatus for multicore emulation based on dynamic context switching includes a multicore emulation managing unit configured to transmit a signal for requesting determination of a core to be emulated among a plurality of cores, and a context switching managing unit configured to receive the signal for requesting determination of a core to be emulated from the multicore emulation managing unit, determine an ID of a core to be emulated according to the received signal, and executing emulation on a core corresponding to the determined core ID. | 07-30-2015 |
20150293827 | APPARATUS FOR ERROR SIMULATION AND METHOD THEREOF - The present invention relates to an apparatus for computing an error rate comprising: a first circuit interface being connected to a first sub-circuit receiving data and computing output data through a predetermined computation process; a second circuit interface and being connected to a first test circuit receiving the same data, which is inputted to the first sub-circuit, and computing output data through the predetermined computation process; an error injecting part injecting an error to the first test circuit; an error detecting part comparing output data of the first sub-circuit to output data of the first test circuit; and an error rate computing part computing input node error probability of the first sub-circuit by statistic processing of the compared result. The apparatus and method for computing error rate of the present invention is able to shorten the time required to obtain error probability, compared to the direct simulation of the full circuit. | 10-15-2015 |
20150309862 | CACHE CONTROL DEVICE HAVING FAULT-TOLERANT FUNCTION AND METHOD OF OPERATING THE SAME - The cache control device having the fault-tolerant function includes a cache memory configured to store first data with respect to a specific address read from a main memory, and generate and store a first parity bit corresponding to the first data, a shadow cache memory configured to store second data with respect to the specific address, and generate and store a second parity bit corresponding to the second data, and a fault detector configured to perform a parity check operation on the data of the specific address and the parity bit stored in at least one of the cache memory and the shadow cache memory when receiving a data read request with respect to the specific address from a processor, and transmit the data stored in a non-erroneous memory to the processor according to a result of the parity check operation. | 10-29-2015 |
Patent application number | Description | Published |
20080212686 | METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE - A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S | 09-04-2008 |
20080225524 | Intense Pulse Light Device Having Individual Rotational Light filters Therein - Disclosed is an intense pulse light device, in which plural divided light filters coated with individually different materials are rotatably and uniformly aligned around a reflection mirror in order to selectively filter lights according to wavelengths thereof, so that it is not necessary to exchange a handle body or filters, thereby improving convenience of use for the IPL device, and in which the loose contact of power lines and signal lines, leakage of cooling water, and penetration of impurities can be prevented, thereby improving reliability of IPL device. A semicircular reflection mirror aligned around a flash lamp installed in a body and a light filter section is aligned around the reflection mirror while forming a predetermined space therebetween. The light filter section is uniformly divided into two or four light filters so as to increase selectivity for the light radiated from flash lamp. The light filter section is fabricated by uniformly dividing a circular pipe made from glass, quartz or sapphire into plural pipe sections, coating the plural pipe sections with individually different materials in such a manner that only light having a predetermined wavelength passes therethrough, and bonding the plural pipe sections to each other. | 09-18-2008 |
20090044891 | Compressed air pumping tire and compressed air storing apparatus using the same - Disclosed therein are a compressed air pumping tire for pumping compressed air from the tire while the vehicle travels and a compressed air storing apparatus using the compressed air pumping tire. The compressed air pumping tire includes: at least one air compression chamber formed in a body of the tire and having a volume to be filled with a predetermined amount of air, the air compression chamber compressing air in such a way as to be contracted by a contact force between the road surface and the tire surface while the tire runs; at least one air intake hole adapted to fluidically communicate with an end of the air compression chamber for sucking the outside air into a contracted space of the air compression chamber to thereby make the contracted space of the air compression chamber restored; and at least one air discharge hole adapted to fluidically communicate with the other end of the air compression chamber for discharging the compressed air to the outside. | 02-19-2009 |
20100086058 | METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE - A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S | 04-08-2010 |
20110231131 | FORGED SEAL IMPRINT INSPECTION METHOD AND RECORDING MEDIUM - Disclosed herein is a forged seal imprint checking method which includes a step ST- | 09-22-2011 |
20120018054 | STAINLESS STEEL MATERIAL HAVING OUTSTANDING HIGH-TEMPERATURE STRENGTH, AND A PRODUCTION METHOD THEREFOR - Provided are a stainless steel having excellent high-temperature strength and a method of manufacturing the same, and more particularly, an austenitic stainless steel having excellent high-temperature and creep strength as well as excellent corrosion resistance able to be used in high-temperature corrosive environments such as power plants and a method of manufacturing the same. The stainless steel of the present invention may have a precipitation index of 1.5 to 2.5. | 01-26-2012 |
20120134874 | ALUMINUM CASTING MATERIAL COMPRISING TITANIUM BORIDE AND METHOD OF MANUFACTURING THE SAME - Disclosed is an aluminum casting material including aluminum, silicon, titanium and boron, particularly 81-93 wt % of aluminum, 5-13 wt % of silicon, 1-3 wt % of titanium and 1-3 wt % of boron. The aluminum casting material has superior elasticity compared to that of a conventional aluminum alloy, even without employing a material of high cost such as carbon nanotube (CNT). While the application of the conventional aluminum alloy is largely restricted to a low pressure casting process, the aluminum material of the present invention can be applied to all common casting processes including a high pressure casting. | 05-31-2012 |
20130040220 | OXIDATION-RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INTERCONNECTOR USING THE FERRITIC STAINLESS STEEL - An oxidation-resistant ferritic stainless steel comprising: a ferritic stainless steel comprising Cr, wherein a {110} grain orientation fraction of a surface of the ferritic stainless steel as measured using electron back scattered diffraction pattern (EBSD) is about 5% or more; and a chromium oxide layer formed on the surface of the ferritic stainless steel is provided. | 02-14-2013 |
20130143141 | OXIDATION RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE STEEL, AND FUEL CELL INTERCONNECT USING THE STEEL - An oxidation-resistant ferritic stainless steel including a ferritic stainless steel base material, and a Cu-containing spinel-structured oxide. | 06-06-2013 |
20140140920 | VANADIUM-BASED HYDROGEN PERMEATION ALLOY FOR MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF USING THE MEMBRANE - A vanadium-based hydrogen permeation alloy for a membrane, a method of manufacturing the same, and a method of using a membrane including the same are provided. The vanadium-based hydrogen permeation alloy for a membrane includes nickel (Ni) at more than 0 atm % and 5 atm % or less, iron (Fe) at 5 atm % to 15 atm %, yttrium (Y) at more than 0 atm % and 1 atm % or less, and a remainder of vanadium and impurities. | 05-22-2014 |
20150134715 | Coordinates Conversion Method Of Conservative Physical Parameters From Latitude-Longitude Coordinates System To Rotated Cubed-Sphere Coordinates System And Hardware Device Performing The Same - A method of converting coordinates of a physical quantity from a latitude-longitude coordinates system to a rotated cubed-sphere coordinates system is disclosed. The method is performed in a hardware device including a computation part and a memory. A plurality of latitude-longitude grid areas which overlap a cubed-sphere grid area is determined. An overlapping area between the cubed-sphere grid area and the latitude-longitude grid areas is computed. | 05-14-2015 |
20150156514 | Method of Reducing a Blocking Artifact When Coding Moving Picture - A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S | 06-04-2015 |
20150184727 | POWER TRANSMISSION APPARATUS USING PLANETARY GEAR - The present invention relates to a power transmission apparatus which includes a planetary gear set with a planetary carrier of which one side extending to form gear teeth, wherein rotating speed input from a driving power source is reduced and then input to one actuating means, rotating speed of a gear-shifting power source is input to another actuating means to achieve a plurality of gear shifts, generating power is obtained from an output shaft to store electricity to a storage battery, the stored electric energy is utilized as controlling energy for gear-shifting power so that a transmission input shaft can be easily controlled. The power transmission apparatus according to embodiments of the present invention includes an input shaft that has one end constantly connected to a driving power source to receive power from the driving power source, the input shaft having a driving gear fixed mounted thereon, a deceleration unit that is connected to the driving gear and reduces rotating speed of the input shaft, a planetary gear set that includes a first actuating means connected to the deceleration unit and receiving rotating speed of the deceleration unit, a second actuating means receiving power for gear shift, and a third actuating means generating output speed, a gear shift unit that is constantly connected to a gear-shifting power source to receive power for gear shift therefrom, the gear shift unit being coupled with the second actuating means to transfer the power for gear shift thereto; and an output shaft that is fixed to the third actuating means of the planetary gear set to transmit output speed, wherein a rotation axis of the second actuating means is perpendicular to a rotation axis of the deceleration unit, a torque control shaft is connected to the second actuating means to receive rotation force of the second actuating means through a power transferring means, a generator for generating electricity is connected to the torque control shaft, and a storage battery for supplying electricity to the gear-shifting power source is connected to the generator. | 07-02-2015 |
Patent application number | Description | Published |
20090109267 | INK-JET IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING INK FLOW - An ink-jet image forming apparatus. The ink-jet image forming apparatus includes a print head having a plurality of nozzles to eject ink, an ink tank to store the ink, an ink supply passage to supply the ink in the ink tank to the print head, an ink return passage to return the ink in the print head to the ink tank, a regulator mounted in the ink supply passage to regulate ink flow supplied to the print head, a shut-off valve mounted in the ink supply passage, between the ink tank and the regulator, to intercept ink flow supplied to the regulator, and an ink pump mounted in the ink return passage to forcedly flow the ink in the ink return passage. The ink pump is configured to be driven in forward and reverse directions so as to change an ink flow direction. Since the shut-off valve intercepts forcedly the ink flow in the ink supply passage, the ink in the ink tank is prevented from flowing abnormally to the print head and leaking from the print head. | 04-30-2009 |
20090141093 | IMAGE FORMING APPARATUS - An image forming apparatus including a body, a print head including a nozzle part having a length corresponding to a width of a printing medium, and a regulator provided separately from the print head and mounted to the body, the regulator serves to adjust a negative pressure of ink which is to be supplied into the print head. | 06-04-2009 |
20100053265 | ARRAY TYPE INKJET PRINT HEAD AND IMAGE FORMING APPARATUS HAVING THE SAME - An array type inkjet print head includes an ink cartridge to store ink, at least one print head chip disposed on a base of the ink cartridge to project from the base, the at least one print head chip to fire the ink, a flat plate cover disposed on the base of the ink cartridge and to have at least one opening corresponding to the at least one print head chip, and an adhesive member disposed between the base of the ink cartridge and the flat plate cover to fix the flat plate cover to the base of the ink cartridge. The flat plate cover is formed of either a metal material or a ceramic material. | 03-04-2010 |
20100171802 | INK CARTRIDGE AND INK CIRCULATION SYSTEM - An ink cartridge easily attached to and removed from an inkjet printer and an ink circulation system of the inkjet printer. The ink cartridge includes a plurality of print heads ejecting ink, an ink channel unit supplying ink to the plurality of print heads, at least one filter unit filtering ink supplied to the ink channel unit, and at least one septum unit connecting the ink channel unit, at least one filter unit, and the inkjet printer. The ink circulation system includes the ink cartridge, an ink tank storing ink to be supplied to the ink cartridge, at least one 3-way valve interposed between the ink cartridge and the ink tank to selectively control channel circulation and priming circulation, the channel circulation circulating ink in the ink channel unit and the priming circulation circulating ink in the at least one filter unit, and an ink pump interposed between the at least one 3-way valve and the ink tank for providing driving power for circulating ink. | 07-08-2010 |
20110043567 | WIPING ASSEMBLY AND IMAGE FORMING APPARATUS HAVING THE SAME - An inkjet image forming apparatus includes a main body frame, a medium supplying unit which is coupled to the main body frame and supplying a print medium, an image forming cartridge which is coupled to the main body frame, forms an image on the supplied print medium, and including a nozzle to eject ink, and a wiping assembly which wipes the nozzle. The wiping assembly includes a wiping sheet storage unit in which the wiping sheet is stored as being wound, a transfer shuttle which moves along arrangement of the nozzle by a driving force of a driving source, a pressing member which is provided in the transfer shuttle and presses a region of the wiping sheet against the nozzle to perform wiping using the wiping sheet, and a wiping sheet support unit which is provided in the transfer shuttle and restricts move of the wiping sheet while the nozzle is wiped. | 02-24-2011 |
20110043568 | SCRAPPING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME, AND CLEANING METHODS THEREOF - A scrapping unit and an image forming apparatus having the same, and cleaning methods thereof to improve a maintenance performance. The scrapping unit cleans a polluted member disposed in an image forming apparatus and stained by a polluting material. The scrapping unit may include an endless belt to circulate between an exposed position where a surface of the endless belt is exposed toward the polluted member, and a non-exposed position where the surface of the endless belt is not exposed with respect to the polluted member, and a belt support frame which includes a belt support surface to support the endless belt so that the endless belt can be unfolded in the exposed position, and a storing space to store the endless belt so that the endless belt can be folded in the non-exposed position. | 02-24-2011 |
20120045253 | Developing unit and image forming apparatus employing the same - A developing unit includes a toner storage portion containing toner and including a toner supply member, a development portion disposed above the toner storage portion and containing the toner supplied from the toner storage portion by the toner supply member, and including a developing roller and a supply roller to supply the toner to the developing roller, and a partition wall to divide the toner storage portion and the development portion, and including an opening portion disposed under the lowest portion of the supply roller and forming a path of the toner supplied from the toner storage portion to the development portion. | 02-23-2012 |
20120183332 | Image forming apparatus - An image forming apparatus includes a main body; at least one developer including an image carrier unit having an image carrier and a charged body charging the image carrier, a developing unit installed to swing at a predetermined angle with respect to the image carrier unit and having a developing roller, and a pressing member pressing the developing unit so that the developing roller comes in contact with the image carrier, and separably installed in the main body; a nip separation unit installed in the main body on one side of the developer to swing the developing unit so that the developing unit is in a position that is separated from the image carrier; and a control unit controlling the developer and the nip separation unit according to a print command. | 07-19-2012 |
Patent application number | Description | Published |
20100173230 | PHOTOMASK - A photomask or equivalent optical component includes a scattering element in the medium of a substrate, which actively modifies (adjusts/filters the intensity, shape, and/or components of) light that propagates through the substrate. The substrate has a front surface and a back surface and is transparent to exposure light of a photolithography process, i.e., light of given wavelength, at least one mask pattern at the front surface of the substrate and the image of which is to be transferred to an electronic device substrate in a photolithographic process using the photomask, a blind pattern at the front surface of the substrate and opaque to the exposure light, and the scattering element. The scattering element, in addition to being formed in the medium of the substrate, is situated below the blind pattern as juxtaposed with the blind pattern in the direction of the thickness of the substrate. Also, a section of the photomask substrate is irradiated with energy which does not melt and/or vaporize the medium of the photomask substrate to form the scattering element. To this end, a femtosecond laser may be used. | 07-08-2010 |
20120237860 | REFLECTIVE EXTREME ULTRAVIOLET MASK AND METHOD OF MANUFACTURING THE SAME - A reflective EUV mask and a method of manufacturing the same, the reflective EUV mask including a mask substrate having an exposing region and a peripheral region, the mask substrate including a light scattering crystalline portion that scatters light incident to the peripheral region and that decreases reflectivity of the peripheral region; a reflective layer on an upper surface of the mask substrate, the reflective layer having a first opening that exposes the crystalline portion; and an absorbing layer pattern on an upper surface of the reflective layer, the absorbing layer pattern having a second opening in fluidic communication with the first opening. | 09-20-2012 |
20140233001 | APPARATUS AND METHOD FOR PERFORMING MULTI-BEAM BASED LITHOGRAPHY - An apparatus for performing lithography includes a light source that emits light. A light enhancer is configured to receive and enhance the emitted light. The light enhancer includes a first lens and a second lens. A first position adjusting unit is configured to adjust a position of the second lens. A lens array is configured to separate the light enhanced by the light enhancer into multiple beams, and focus the multiple beams. | 08-21-2014 |