Patent application number | Description | Published |
20090157886 | DYNAMIC UI SYSTEM AND METHOD FOR REMOTELY CONTROLLING LEGACY DEVICE - A dynamic user interface (UI) system and method is provided for remote controlling of a legacy device, which is not compatible with a peer-to-peer (P2P) middleware, through a P2P network. The dynamic UI system of the present includes at least one legacy device, a proxy for registering and managing the at least one legacy device and supporting a dynamic remote control user interface using a multi legacy device control protocol, and an edge peer for downloading the dynamic remote control user interface from the proxy and requesting control of the at least one legacy device to the proxy. | 06-18-2009 |
20090158394 | SUPER PEER BASED PEER-TO-PEER NETWORK SYSTEM AND PEER AUTHENTICATION METHOD THEREOF - Provided are a super peer based P2P network system and a peer authentication method thereof. The authentication method includes a first authentication process and a second authentication process. In the first authentication process, a user and a peer which want to use a P2P network are verified by submitting authentication information and a public key infrastructure (PKI) certificate, and receive the permission of connection. In the second authentication process, a user and a peer requesting the use of a specific service are authenticated by using an authentication ticket and a service access-permitted time is limited in order to reinforcing the security of the specific service, which is searched in the P2P network and provided by the peer. Accordingly, the service providers can verify users more securely and limit the service available time of each user with respect to a specific service provided by the peer by using the lifetime of the ticket. | 06-18-2009 |
20100138552 | EDGE PEER DEVICE, PAN GATEWAY DEVICE, SUPER PEER DEVICE, AND P2P NETWORK-BASED INTERCONNECTION METHOD - An edge peer device, includes a first peer device connection management unit for allowing the edge peer device to participate in a peer-to-peer (P2P) network, and establishing a pipe connection to other edge peer device or the PAN gateway device to transmit or receive contents; a first peer device authentication unit for performing authentication of the edge peer device and PAN gateway device; and a first advertisement management unit for generating and storing advertisements and indexing the generated advertisements to transmit the indexed advertisements to the super peer device. Further, the edge peer device includes a first PAN device management unit for requesting and receiving a list of PAN devices from the PAN gateway device to manage the PAN device list; a first PAN service management unit for managing and providing services included in the PAN device list; and a first P2P communication unit for performing P2P communication with the super peer device and other peer devices. | 06-03-2010 |
20110154441 | ONLINE DEVELOPMENT ENVIRONMENT SERVER, ONLINE MARKETPLACE SERVER, ONLINE DEVELOPMENT ENVIRONMENT CONSTITUTING METHOD, AND DEVELOPED APPLICATION PROVIDING METHOD - An online development environment server, online marketplace server, an online development environment configuring method, and a developed application providing method are provided. The online development environment server includes: a virtual resource pool providing virtual resources including a design tool pool, an IDE/SDK pool, a service component, and a virtual server and repository pool; a virtual resource pool manager supporting to allow a developer to select a virtual resource according to a selected development environment; a virtual development environment manager establishing a virtual development environment with reference to virtual resource information through the virtual resource pool manager; a virtual operation space and view manager binding a user and a view of a virtual development environment of each group through the virtual development environment manager and the virtual resource pool manager; a presenter presenting a virtual view model constituted by being bound by the virtual operation space and view manager; and a metadata manager storing metadata configured for virtualizing an operation space and managing the same. | 06-23-2011 |
20120173962 | ONLINE APPLICATION PROVIDING APPARATUS - An online application providing apparatus includes: a rendering unit; a metadata manager; a database; and a view resolver. When a web page URL is requested from a user terminal in a tenant, the rendering unit requests UI data to the metadata manager for generating code data corresponding to the URL, provides, to the view resolver, the code data to which a flexible field corresponding a UI page specified for the tenant is applied, and the view resolver generates an actual web based UI code by using the code data provided from the rendering unit and transmits the actual web based UI code to the user terminal. | 07-05-2012 |
20140012800 | APPARATUS AND METHOD FOR PROVIDING APPLICATION FOR PROCESSING BIG DATA - Disclosed herein are an apparatus and method for providing an application for processing big data. The apparatus includes a setting unit, a unified information access unit, a metadata management unit, and a database unit. The setting unit sets data collection and analytic levels and a result screen for each of a plurality of tenants. The unified information access unit collects data based on the settings of the setting unit, and analyzes the collected data. The metadata management unit manages metadata about the data collected based on the settings of the setting unit. The database unit stores the collected data and the analyzed data. | 01-09-2014 |
20140111183 | APPARATUS AND METHOD FOR MEASURING POWER COMSUMPTION BY USING SENSING TAG - An apparatus and method for measuring power using a sensing tag are provided. The power measuring apparatus includes a power sensing tag and a power measurement control system. The power sensing tag is installed in a line along which power is supplied to a load of a target device, and measures power consumed by the load. The power measurement control system receives power information measured by the power sensing tag from the power sensing tag, and determines power consumed by the load by using the measured power information. | 04-24-2014 |
20150039914 | APPARATUS AND METHOD FOR ESTIMATING POWER CONSUMPTION - A power consumption estimation apparatus searches for an accessory apparatus that is mounted in a computing system that is connected through the Internet, receives a power consumption value of the accessory apparatus and a correlation value on an accessory apparatus combination basis from a power consumption and load amount information providing server, and estimates power consumption of the computing system using the power consumption value of the accessory apparatus and the correlation value on an accessory apparatus combination basis. | 02-05-2015 |
20150058648 | APPARATUS AND METHOD FOR SAVING POWER IN A COMPUTER SYSTEM - An apparatus for power saving in a computer system is configured to register a power saving policy for the computer system, control the power to at least one auxiliary device of the computer system based on the computer system's power consumption information and the power saving policy, and collect and transmit the computer system's status information to a power and status display mounted at a remote location so as to display the computer system's power consumption information and status information. | 02-26-2015 |
Patent application number | Description | Published |
20090023958 | Process for preparing dimethyl ether from crude methanol in an adiabatic reactor - The present invention relates a process for preparing dimethyl ether from crude methanol in an adiabatic reactor(s)/and more particularly to a process for preparing dimethyl ether wherein crude methanol containing water is dehydrated by using ( | 01-22-2009 |
20100247980 | Safety Apparatus and Protection Method of Secondary Battery for Electric Vehicle Using Switch - The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches a predetermined value when the secondary battery is swelled due to abnormal usage such as overcharge, short-circuit, reverse-connection and heat-exposure of large-capacity lithium polymer battery. | 09-30-2010 |
20100280777 | Method for Measuring SOC of a Battery in a Battery Management System and the Apparatus Thereof - According to an embodiment of this invention, a method for measuring SOC (State Of Charge) of a battery comprises the steps of: obtaining current data, voltage data and temperature by measuring the current, the voltage and the temperature of a battery; calculating SOCi (State Of Charge based on current) by accumulating the current data; calculating open circuit voltage by using an equivalent circuit model which simply presents the current data, the voltage data and the battery through an electric circuit; calculating SOCv (State Of Charge based on voltage) by using the temperature data and the open circuit voltage; and choosing at least one of the SOCi and the SOCv as SOC of the battery by using the SOCi and the SOCv based on the judgment on the current state of the battery for a certain time interval. | 11-04-2010 |
20110170271 | Fixing Structure of Multi-Layer Printed Circuit Board - The present invention relates to a fixing structure of a raulti-layer printed circuit board, and more particularly, to a fixing structure of a multi-layer printed circuit board, which has a simple structure and a high fixing force using a printed circuit board fixing portion having slots. | 07-14-2011 |
20120003520 | Lithium Secondary Battery Unit Set with Bus Bar, and Lithium Secondary Battery Set with Bus Bar - The present invention relates to a lithium secondary battery unit set where a plurality of lithium secondary batteries are stacked, and a lithium secondary battery set including a plurality of lithium secondary battery unit sets. The present invention relates to a lithium secondary battery unit set with a bus bar and a lithium secondary battery set with a bus bar. The lithium secondary battery unit set with a bus bar: accommodates and protects a plurality of lithium secondary batteries comprising a pouch and an electrode tab; facilitates the changes of voltage and capacity as the stacked structure of the lithium secondary batteries becomes free; prevents the flow of overcurrent during charging and discharging; and enables uniform temperature distribution of the stacked batteries. | 01-05-2012 |
20120110836 | METHOD FOR PREPARING SECONDARY BATTERY - Provided is a secondary battery inner cell stack stacking apparatus and method that prepare a secondary battery inner cell stack of a Z-folding stacking format. To be specific, provided is a secondary battery inner cell stack stacking apparatus and method according to a method for performing multiple insertions on a plurality of anode plates and cathode plates at once in both sides after folding a separator in a zigzag shape in advance. | 05-10-2012 |
Patent application number | Description | Published |
20080291912 | SYSTEM AND METHOD FOR DETECTING FILE - The present invention relates to a file detecting system and a method thereof. The file detecting system uses a signature of a file header and collects a network packet including a file to be detected among packets transmitted/received through a network. Subsequently, after the network protocol header is eliminated from the collected network packet, the file is reassembled and recovered. The recovered file is verified, and the verified file is transmitted to various file analysis systems. | 11-27-2008 |
20090133125 | METHOD AND APPARATUS FOR MALWARE DETECTION - The present invention relates to an apparatus and method for detecting malware. The malware detection apparatus and method of the present invention determines whether a file is malware or not by analyzing the header of an executable file. Since the malware detection apparatus and method can quickly detect presence of malware, it can shorten detection time considerably. The malware detection apparatus and method can also detect even unknown malware as well as known malware to thereby estimate and determine presence of malware. Therefore, it is possible to cope with malware in advance, protect a system with a program, and increase security level remarkably. | 05-21-2009 |
20090158427 | SIGNATURE STRING STORAGE MEMORY OPTIMIZING METHOD, SIGNATURE STRING PATTERN MATCHING METHOD, AND SIGNATURE STRING MATCHING ENGINE - Enclosed are a signature string storage memory optimizing method, a signature string pattern matching method, and a signature matching engine. Signature is tokenized in units of substrings and the tokenized substrings are stored in an internal memory block and an external memory block to optimize a memory storage pattern. Therefore, matching of introduction data to signature patterns is effectively performed. | 06-18-2009 |
20090158431 | METHOD OF DETECTING POLYMORPHIC SHELL CODE - There is provided a method of detecting a polymorphic shell code. The decoding routine of the polymorphic shell code is detected from received data. In order for the decoding routine to access the address of an encoded code, the address of a currently executed code is stored in a stack, the value is moved in a register table, and it is determined whether the value is actually used for operating a memory. Emulation is finally performed and the degree of correctness of detection is improved. Therefore, time spent on detecting the polymorphic shell code and an overhead are reduced and the correctness of detection is increased. | 06-18-2009 |
20100146621 | METHOD OF EXTRACTING WINDOWS EXECUTABLE FILE USING HARDWARE BASED ON SESSION MATCHING AND PATTERN MATCHING AND APPRATUS USING THE SAME - A method and apparatus for extracting a windows executable file that can search for a pattern related to windows executable files among a large quantity of network packets using a hardware-based session tracking and pattern matching technology and that can extract all packets included in the corresponding session are provided. The method of extracting a windows executable file includes: collecting incoming packets having a payload according to a session of a reference packet having an MZ pattern; performing a portable executable (PE) pattern matching for the collected incoming packets; and forming a PE file based on at least one incoming packet satisfying the PE pattern matching. | 06-10-2010 |
20100153421 | DEVICE AND METHOD FOR DETECTING PACKED PE FILE - The present invention discloses a device and method for detecting a packed PE (portable executable) file. In the device and method for detecting a packed PE file, information for detecting packing are extracted by analyzing the header of a target file, and a record containing characteristic values shown only in a packed PE file is created by using the extracted information. The packing of the target file is detected by calculating the similarity with a PE file which is not packed based on the created record and comparing it with a derived threshold value. Therefore, a packed PE file can be detected even if it is packed by a packing method which is not well-known. | 06-17-2010 |
Patent application number | Description | Published |
20100118917 | AUTOMATIC GAIN CONTROL APPARATUS AND METHOD USING EFFECTIVE RECEIVING STRUCTURE OF IMPULSE RADIO ULTRA-WIDE BAND WIRELESS COMMUNICATION SYSTEM - Provided are an automatic gain control (AGC) apparatus using an efficient receiving structure of an impulse signal-based ultra wideband wireless communication system, and a method thereof. An AGC apparatus of an impulse signal-based wireless communication system guarantees an SNR received through an analog circuit unit, outputs correlation values with respect to an impulse preamble of the received signal, outputs the maximum value of the correlation values for each symbol among the correlation values, or divides a symbol period into a plurality of groups and obtains average values through a sum of each group to output the maximum value thereof. | 05-13-2010 |
20100150219 | SAMPLING DEVICE AND METHOD IN WIRELESS COMMUNICATION SYSTEM - The exemplary embodiment of present invention provides a sampling device and method in a wireless communication system that is capable of precisely measuring a distance by combining data blocks passing through at least two delay paths and performing sampling thereon. | 06-17-2010 |
20100254486 | METHOD OF BLOCK-CODED GROUP MODULATION AND TRANSMITTER USING THE SAME - A transmitter using a method of block code-based group modulation includes a grouping unit, a generating unit, and a mapping unit. The grouping unit generates symbols by grouping a data bit stream into N-bit groups, and the generating unit generates a codeword set composed of codewords corresponding to combinations of arrangements of pulses that are generated by a result of grouping to a predetermined number. Next, the mapping unit block-maps a codeword selected from the codeword set to groups constituting the symbols. | 10-07-2010 |
20100265991 | RECEIVING APPARTUS, RECEIVING METHOD, PHASE TRACKING APPARATUS, AND PHASE TRACKING METHOD OF PULSE-BASED UWB WIRELESS SYSTEM - Provided are a receiving apparatus, a receiving method, a phase tracking apparatus, and a phase tracking method of a pulse-based UWB wireless system, which are capable of tracking and compensating phases of signals modulated with different modulation schemes in the same pulse-based UWB receiver system. The receiving apparatus of the UWB wireless system includes an orthogonal channel generating unit for receiving a baseband signal to generate orthogonal channels, a boundary detecting unit for receiving output signals of the orthogonal channel generating unit to detect boundaries of preamble, header and payload signals, a phase tracking unit for tracking and compensating phases of the preamble, header and payload signals output from the boundary detecting units, and a demodulating unit for demodulating output signals of the boundary detecting unit and the phase tracking unit to output data bits. | 10-21-2010 |
20110122969 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION METHOD, AND RECEPTION METHOD OF WIRELESS COMMUNICATION SYSTEM - A transmission apparatus according to an exemplary embodiment of the present invention comprises a serial/parallel (S/P) converter for converting an input bit stream into a plurality of symbols each including 3 bits, a differential modulator for generating differential encoded symbols by applying π/4 phase rotation to each of the symbols, up-samplers for up-sampling the differential encoded symbols, filters for filtering the up-sampled symbols, digital/analog (D/A) converters for converting the filtered symbols into analog signals, and a quadrature modulator for performing quadrature modulation on the converted analog signals. | 05-26-2011 |
20110150124 | MODULATION APPARATUS, MODULATION METHOD, DEMODULATION APPARATUS, AND DEMODULATION METHOD - A modulation apparatus performs modulation in which a signal wave form is positioned at the front part of an entire symbol duration or the latter part of the entire symbol duration based on a first bit of the bit information to generate a modulation symbol including a silent signal duration in which there is no signal waveform. Particularly, the method delays a signal corresponding to a quadrature-phase signal axis by a predetermined time, thereby cancelling a phase difference between symbols. | 06-23-2011 |
20140169798 | HIGH SPEED DATA SERIAL CONNECTION INTERFACE APPARATUS, CPRI TRANSMITTING AND RECEIVING METHOD - A high speed data serial connection interface apparatus, CPRI transmitting and receiving methods thereof are disclosed. A high speed data serial connection interface apparatus according to the present invention includes: a data transmitter configured to count a continuous NCB of 0 or 1 in an input data block, select an LSI value, and perform up scaling on data in the block in accordance with the selected LSI value to transmit the data through an optical fiber in accordance with a CPRI (common public radio interface) protocol; and a data receiver configured to receive the data transmitted by the data transmitter, restore the LSI value from the received data, and perform down scaling on the received data in accordance with the restored LSI value to restore original data. | 06-19-2014 |
Patent application number | Description | Published |
20090135857 | FREQUENCY-TUNABLE TERAHERTZ LIGHT SOURCE DEVICE - Provided is a frequency-tunable terahertz light source device. The frequency-tunable terahertz light source device satisfies a Littrow diffraction condition at a wavelength and simultaneously satisfies a Littman-Metcalf diffraction condition at another wavelength using a double diffraction grating having two grating periods. Thus, oscillations simultaneously occur at the two different wavelengths, such that a terahertz wave can be stably generated by beating of the two oscillation wavelengths. In addition, the frequency-tunable terahertz light source device can readily change a frequency up to several terahertz and can be fabricated in a small size. | 05-28-2009 |
20090154505 | WAVELENGTH TUNABLE LASER DIODE USING DOUBLE COUPLED RING RESONATOR - A wavelength tunable laser diode using a double coupled ring resonator is provided. A new double coupled ring resonator structure is formed by a connection of two ring resonators having different radii so that stable laser oscillation occurs only in a resonant wavelength at which the two ring resonators are simultaneously resonated, and the effective refractive index of the two ring resonators is properly controlled differently for tunable laser oscillation wavelengths. The reproducibility of the optical coupling characteristics of the passive waveguides and the ring resonator can be assured by multi-mode couplers. This results in improved manufacturing productivity of the wavelength tunable laser diode. It is possible to amplify and output an output light without having an effect on oscillation wavelength characteristic by means of an optical amplifier integrated in an output end. | 06-18-2009 |
20110110391 | SEMICONDUCTOR LASER DIODE HAVING WAVEGUIDE LENS - Provided is a semiconductor laser diode having a waveguide lens. The semiconductor laser diode includes at least one first waveguide having a narrow width, at least one second waveguide having a wide width wider, and at least one waveguide lens having an increasing width from the first waveguide toward the second waveguide and connecting the first waveguide to the second waveguide. Sidewalls of the waveguide lens connecting the first waveguide to the second waveguide may be curved. The second waveguide may be a waveguide providing an optical gain. | 05-12-2011 |
20130208750 | SEMICONDUCTOR LASER DIODE HAVING WAVEGUIDE LENS - Provided is a semiconductor laser diode having a waveguide lens. The semiconductor laser diode includes at least one first waveguide having a narrow width, at least one second waveguide having a wide width wider, and at least one waveguide lens having an increasing width from the first waveguide toward the second waveguide and connecting the first waveguide to the second waveguide. Sidewalls of the waveguide lens connecting the first waveguide to the second waveguide may be curved. The second waveguide may be a waveguide providing an optical gain. | 08-15-2013 |
20130315268 | TUNABLE OPTICAL FILTER AND OPTICAL SOURCE - Disclosed are a wavelength tunable optical filter and an optical source which can achieve a wideband, a high speed wavelength tuning and a consecutive variation, and can be simply manufactured. The wavelength tunable optical filter according to an exemplary embodiment of the present disclosure includes a first optical deflector driven by an electrical signal and configured to control the propagation direction of an incident light and a Fabry-Perot (FP) filter configured to filter the incident light having passed through the first optical deflector to output a selected light having a particular wavelength. | 11-28-2013 |
20140192827 | RESONATOR, VARIABLE WAVELENGTH OPTICAL FILTER, AND VARIABLE WAVELENGTH LASER DIODE - A variable wavelength diode according to the inventive concept includes a resonator and a plurality of cylindrical lenses. The resonator includes slab waveguides of which resonance lengths are different from each other. The slab waveguides are disposed on a planar light wave circuit (PLC). Thus, the variable wavelength diode realizes a high variation speed and a continuous variation of a beam at the same time. | 07-10-2014 |
20140218782 | WAVELENGTH TUNABLE LIGHT SOURCE - Provided is a wavelength tunable light source including a super luminescent diode (SLD) generating lights in a predetermined wavelength band, a voltage generating unit generating first and second voltages, a first filter receiving the first voltage from the voltage generating unit, receiving the lights from the SLD, and transmitting, as second lights, lights corresponding to wavelengths separated by a free spectral range (FSR) from each other among the received lights, a second filter receiving the second voltage from the voltage generating unit, receiving the second lights from the first filter, and transmitting, as a third light, a light corresponding to one wavelength among the separated wavelengths among the received second light, and a reflective mirror disposed at an output end of the second filter and reflects the third light transmitted from the second filter. | 08-07-2014 |
20140254617 | TUNABLE LASER DIODE DEVICE WITH AMZI-FP FILTER - The tunable light source structure proposed in the present invention has an advantage in that a limitation on a typical technology not simultaneously satisfying high-speed tuning and wide range tuning is overcome and thus it is possible to simultaneously satisfy high-speed tuning slower than or equal to several ns and 100 nm-level wide range tuning. Also, a driving method is simpler than that of a typical technology, a stable operation is possible, and it is possible to lower a manufacturing cost of all modules including a driving circuit. In implementing the SLD and the AMZI-FP that are key components of the tunable light source structure of the present invention, an Si or polymer optical waveguide as well as III-group to V-group materials (GaAs, InP and GaSb) may also be employed. | 09-11-2014 |
20140376077 | WAVELENGTH SWEPT SOURCE APPARATUS AND OPERATING METHOD THEREOF - Provided are a wavelength swept source apparatus and a method for operating thereof. According to the provided apparatus and method, single mode light is generated, a basic optical comb including a plurality of light rays having identical frequency differences with adjacent light rays is generated by modulating the generated single mode light, and a plurality of optical combs, that includes same number of light rays as the plurality of light rays, has a different frequency band from that of the basic optical comb, and is distributed in a wider frequency band than that in which the basic optical comb is distributed, is generated by modulating the plurality of light rays. The plurality of light rays and light rays included in the plurality of optical combs are sequentially emitted according to frequencies of the plurality of light rays and the light rays included in the plurality of optical combs. | 12-25-2014 |
Patent application number | Description | Published |
20100137664 | PROCESS FOR 1,3-BUTADIENE SEPARATION FROM A CRUDE C4 STREAM WITH ACETYLENE CONVERTER - Disclosed is a method of recovering 1,3-butadiene from a C4 stream containing butane, isobutane, 2-butene, 1-butene, isobutene, butadiene and acetylene. The process of recovering highly pure 1,3-butadiene includes acetylene conversion for selectively converting acetylene through liquid-phase hydrogenation, so that the acetylene content is decreased to 70 wt ppm or less, and 1,3-butadiene extraction using an extractive distillation column, a pre-separator, a solvent stripping column, a solvent recovery column, and a purification column. Through the acetylene conversion, the concentration of vinylacetylene is decreased to 70 wt ppm or less, after which 1,3-butadiene is recovered using only one extractive distillation column, thereby considerably decreasing the degree of utility and the loss of streams in the course of extraction. The number of units necessary for the process is decreased, thus remarkably reducing the time during which impurities can accumulate in a processing unit. | 06-03-2010 |
20130267744 | THE METHOD FOR PRODUCING VALUABLE AROMATICS AND LIGHT PARAFFINS FROM HYDROCARBONACEOUS OILS DERIVED FROM OIL, COAL OR WOOD - This invention relates to a method of producing aromatics and light paraffins from hydrocarbonaceous oils derived from oil, coal or wood, including partially saturating and hydrocracking the oils derived from oil in a hydrogenation and reaction area, separating them depending on the number of carbons, recirculating heavy oils having 11 or more carbons to the hydrogenation and reaction area, feeding oils suitable for producing BTX to an aromatic separation process and a transalkylation process to recover aromatics, and feeding hydrocarbonaceous components having 5 or fewer carbons to a light separation process, thus obtaining light paraffins. | 10-10-2013 |
Patent application number | Description | Published |
20090113178 | Microprocessor based on event-processing instruction set and event-processing method using the same - Provided are a microprocessor based on event-processing instruction set and an event-processing method using the same. The microprocessor includes an event register controlling an event according to an event-processing instruction set provided in an instruction set architecture (ISA) and an event controller transmitting externally generated events into the microprocessor. Therefore, the microprocessor may be useful to reduce its unnecessary power consumption by suspending the execution of its program when an instruction decoded to execute the program is an event-processing instruction, and also to cut off its unnecessary power consumption that is caused for an interrupt delay period since the program of the microprocessor may be executed again by immediately re-running the microprocessor with the operation of the event register and the event controller when external events are generated. | 04-30-2009 |
20090150706 | WRAPPER CIRCUIT FOR GLOBALLY ASYNCHRONOUS LOCALLY SYNCHRONOUS SYSTEM AND METHOD FOR OPERATING THE SAME - Provided are a high-performance wrapper circuit for a globally asynchronous locally synchronous (GALS) system and a synchronization method using the same, which are capable of solving a synchronization problem caused when data are transmitted between locally synchronous modules employing different clocks, and a method for operating the wrapper circuit. The GALS system includes a clock generator for supplying an operation clock to a locally synchronous module, a sender port for transmitting data to the outside according to a data transmission request signal output from the locally synchronous module, and generating a first clock stop signal for stopping an operation of the clock generator, and a receiver port for receiving data from the outside, and generating a second clock stop signal for stopping the operation of the clock generator. The sender port generates the first clock stop signal to the clock generator when a next data transmission request signal is received before completing a data transmission performed by a previous data transmission request signal output from the locally synchronous module. | 06-11-2009 |
20100135430 | DATA TRANSMITTING DEVICE, DATA RECEIVING DEVICE, DATA TRANSMITTING SYSTEM, AND DATA TRANSMITTING METHOD - Provided are a data transmitting device transmitting data through a delay insensitive data transmitting method and a data transmitting method. The data transmitting device and the data transmitting method use the delay insensitive data transmitting method supporting a 2-phase hand shake protocol. During data transmission, data are encoded into three logic state having no space state through a ternary encoding method. According to the data transmitting device and the data transmitting method, data are stably transmitted to a receiver regardless of the length of a wire, and provides more excellent performance in an aspect of a data transmission rate, compared to a related art 4-phase delay data transmitting method. | 06-03-2010 |
20110022934 | SYSTEM AND APPARATUS FOR SYNCHRONIZATION BETWEEN HETEROGENEOUS PERIODIC CLOCK DOMAINS, CIRCUIT FOR DETECTING SYNCHRONIZATION FAILURE AND DATA RECEIVING METHOD - The present invention relates to a system and an apparatus for synchronization between heterogeneous periodic clock domains, a synchronization failure detecting circuit, and a data receiving method. The synchronization system between heterogeneous periodic clock domains including a sender and a receiver operated according to heterogeneous periodic first clock and second clock, respectively, includes: a sender that outputs a prediction clock obtained by delaying the first clock for a first time; and a receiver that predicts success and failure of synchronization between the first clock and the second clock by using the prediction clock and selectively delays the second clock for a second time according to the predicted results to synchronize the second clock with the first clock. | 01-27-2011 |
20120102300 | ASYNCHRONOUS PIPELINE SYSTEM, STAGE, AND DATA TRANSFER MECHANISM - Disclosed are an asynchronous pipeline system, a stage, and a data transfer mechanism. The asynchronous pipeline system having a plurality of stages based on a 4-phase protocol, includes: a first stage among the plurality of stages; and a second stage among the plurality of stages connected next to the first stage, wherein the first stage transmits and the second receives bundled data and control data through an always bundled data channel and on-demand data through an on-demand data channel according to need of the second stage. | 04-26-2012 |
20120166170 | DELAY CIRCUIT, AND DEVICE AND METHOD FOR SIMULATING ASYNCHRONOUS CIRCUIT IN FPGA USING DELAY CIRCUIT - Disclosed herein is an apparatus for simulating an asynchronous circuit in an FPGA. The apparatus includes a plurality of function execution units, a plurality of delay circuits, and a control unit. The function execution units are set for respective unit functions included in the asynchronous circuit, and are configured to perform the unit functions. The delay circuits are provided for the respective function execution units using a look-up table in the FPGA, and are configured to output delayed input signals by delaying input signals by respective preset delay times. The control unit transmits the input signals to the delay circuits and the function execution units, and receives the delayed input signals from the respective delay circuits. | 06-28-2012 |
20130007737 | METHOD AND ARCHITECTURE FOR VIRTUAL DESKTOP SERVICE - The present invention relates to a method and an architecture capable of efficiently providing a virtual desktop service. The service architecture for the virtual desktop service includes a connection broker for performing the management of virtual machines, a server monitoring function, and a protocol coordination function. A resource pool is configured to manage software resources that are transferred to a specific virtual machine in a streaming form at a predetermined time and that are executed on the specific virtual machine and to provide provision information about the managed software resources at the request of the connection broker, in order to provide an on-demand virtual desktop service. A virtual machine infrastructure is configured to support hardware resources, generate virtual machines in which the software of the user terminal is operated, and provide the virtual machines as virtual desktops. | 01-03-2013 |
20130259166 | DATA TRANSMISSION APPARATUS, DATA RECEPTION APPARATUS, AND DATA TRANSMISSION METHOD - Disclosed herein are a data transmission apparatus, a data reception apparatus, and a data transmission method. The data transmission apparatus, the data reception apparatus, and the data transmission method are capable of simplifying the circuit structure of a decoder because an assumption of the time related to a request signal and a data signal is not necessary and an additional logic for generating a clock signal for the decoder is not necessary by using a Finite State Machine (FSM) logic without storing a state via a delay device. | 10-03-2013 |
20140214922 | METHOD OF PROVIDING VIRTUAL MACHINE AND SERVICE GATEWAY FOR REAL-TIME VIRTUAL DESKTOP SERVICE - Disclosed herein is a method of providing a virtual machine and service gateway for real-time virtual desktop service. The service gateway includes a user information management unit, a virtual machine information management unit, and a virtual machine generation unit. The user information management unit authenticates user information. The virtual machine information management unit generates access information about a virtual machine corresponding to the user information, and provides the generated access information to a client unit. The virtual machine generation unit selects a service provider server in response to a request from a client unit, and generates a virtual machine in the selected service provider server. | 07-31-2014 |
20140366093 | APPARATUS AND METHOD FOR VIRTUAL DESKTOP SERVICE - Disclosed herein are a method and architecture capable of efficiently providing virtual desktop service. A service architecture for virtual desktop service according to the present invention includes a connection broker configured to perform authentication, manage virtual machines, and perform a server monitoring and protocol coordination function, a resource pool configured to manage software resources that are delivered to a specific virtual machine in a streaming form on a specific time in order to provide on-demand virtual desktop service and are executed on the specific virtual machine and to provide provision information about the managed software resources in response to a request from the connection broker, and a virtual machine infrastructure configured to support hardware resources, generate virtual machines in which the software of a user terminal is executed, and provide the generated virtual machine as virtual desktops. | 12-11-2014 |
20140380089 | METHOD AND APPARATUS FOR RECOVERING FAILED DISK IN VIRTUAL MACHINE - A method and apparatus for recovering the failed disk of a virtual machine in a virtualization system are disclosed. The apparatus includes a system performance analysis unit, a failed disk recovery unit, and a disk exchange unit. The system performance analysis unit calculates recovery resources, that is, network and disk I/O bandwidths, to be assigned to the recovery of a failed disk by analyzing the performance of the virtualization system. The failed disk recovery unit performs the discovery of the failed disk by recovering a copy disk, that is, a copy of the failed disk, using a mandatory disk stored in the virtualization system while ensuring the performance of virtual machines based on the recovery resources. The disk exchange unit deletes the failed disk and assigns the recovered copy disk to a virtual machine corresponding to the failed disk. | 12-25-2014 |
20150026306 | METHOD AND APPARATUS FOR PROVIDING VIRTUAL DESKTOP SERVICE - A method and an apparatus for providing a virtual desktop service to provide an optimal virtual desktop service in accordance with distances between virtualization servers and a user are provided. A virtual desktop service suitable for a request of the user is provided to the user so that loads of servers may be dispersed and power usage of the servers may be minimized. That is, in an environment where the virtualization servers that provide the virtual desktop service are locally dispersed, the virtual machines may be allocated to a virtualization server with a shortest network delay based on network distances from the virtualization servers to the user. In addition, after a server power usage amount is predicted in accordance with a virtual machine usage type of the user, a virtualization server may be selected in accordance with the prediction result. | 01-22-2015 |
Patent application number | Description | Published |
20090146197 | PHOTO-DETECTOR ARRAY DEVICE WITH ROIC MONOLITHICALLY INTEGRATED FOR LASER-RADAR IMAGE SIGNAL AND MANUFACTURING METHOD THEREOF - A photo-detector array device integrated with a read-out integrated circuit (ROIC) monolithically integrated for a laser-radar image signal and a manufacturing method thereof are provided. According to the photo-detector array device, a photodiode and control devices for selecting and outputting a laser-radar image signal are simultaneously formed on an InP substrate, so that it is possible to simplify manufacturing processes and to greatly increasing yield. In addition, after the photodiode and the control devices are simultaneously formed on the InP substrate, the photodiode and the control devices are electrically speared from each other by using a polyimide. Therefore, a PN junction surface of the photodiode is buried, so that a surface leakage current can be reduced and an electrical reliability can be improved. In addition, a structure of the control devices can be simplified, so that image signal reception characteristics can be improved. | 06-11-2009 |
20100173443 | METHOD OF MANUFACTURING A PHOTO-DETECTOR ARRAY DEVICE WITH ROIC MONOLITHICALLY INTEGRATED FOR LASER-RADAR IMAGE SIGNAL - A method of manufacturing a photo-detector array device integrated with a read-out integrated circuit (ROIC) monolithically integrated for a laser-radar image signal. A detector array device, a photodiode and control devices for selecting and outputting a laser-radar image signal are simultaneously formed on an InP substrate. In addition, after the photodiode and the control devices are simultaneously formed on the InP substrate, the photodiode and the control devices are electrically separated from each other using a polyamide, whereby a PN junction surface of the photodiode is buried to reduce surface leakage current and improve electrical reliability, and the structure of the control devices can be simplified to improve image signal reception characteristics. | 07-08-2010 |
20120156826 | METHOD OF FABRICATING AVALANCHE PHOTODIODE - A method includes: forming an epitaxy wafer by growing a light absorbing layer, a grading layer, an electric field buffer layer, and an amplifying layer on the front surface of a substrate in sequence; forming a diffusion control layer on the amplifying layer; forming a protective layer for protecting the diffusion control layer on the diffusion control layer; forming an etching part by etching from the protective layer to a predetermined depth of the amplifying layer; forming a first patterning part by patterning the protective layer; forming a junction region and a guardring region at the amplifying layer by diffusing a diffusion material to the etching part and the first patterning part; removing the diffusion control layer and the protective layer and forming a first electrode connected to the junction region on the amplifying layer; and forming a second electrode on the rear surface of the substrate. | 06-21-2012 |
20130327926 | FPA MODULE FOR OBTAINING 3-DIMENSIONAL IMAGE - Provided is an FPA module capable of further improving a quality of an obtained 3-dimensional image by adjusting an interval of an arrangement of optical detectors and a size of the optical detector within an FPA module for obtaining the 3-dimensional image. An FPA module for obtaining a 3-dimensional image according to an exemplary embodiment of the present disclosure includes a plurality of light detectors configured to detect light reflected from a monitoring target, in which the plurality of light detectors is disposed at different intervals according to positions. | 12-12-2013 |
Patent application number | Description | Published |
20110095425 | Ball grid array substrate, semiconductor chip package and method of manufacturing the same - Provided is a ball grid array substrate, a semiconductor chip package, and a method of manufacturing the same. The ball grid array substrate includes an insulating layer having a first surface providing a mounting region for a semiconductor chip, a second surface opposing the first surface, and an opening connecting the second surface with the mounting region of the semiconductor chip, and a circuit pattern buried in the second surface. Since the ball grid array substrate is manufactured by a method of stacking two insulating layers, existing devices can be used, and the ball grid array substrate can be manufactured as an ultra thin plate. In addition, since the circuit pattern is buried in the insulating layer, a high-density circuit pattern can be formed. | 04-28-2011 |
20120244662 | BOARD ON CHIP PACKAGE SUBSTRATE AND MANUFACTURING METHOD THEREOF - A single-layer board on chip package substrate and a manufacturing method thereof are disclosed. In accordance with an embodiment of the present invention, the single-layer board on chip package substrate includes an insulator, a circuit pattern and a flip-chip bonding pad, which are formed on an upper surface of the insulator, a conductive bump, which is in contact with a lower surface of the circuit pattern and penetrates through the insulator, a solder resist layer, which is formed on the upper surface of the insulator such that at least a portion of the flip-chip bonding pad is exposed, and a flip-chip bonding bump, which is formed on an upper surface of the flip-chip bonding pad in order to make a flip-chip connection with an electronic component. | 09-27-2012 |
20140017855 | METHOD OF MANUFACTURING A BALL GRID ARRAY SUBSTRATE OR A SEMICONDUCTOR CHIP PACKAGE - A method of manufacturing a ball grid array substrate includes: forming a first circuit pattern and a second circuit pattern on a first metal carrier and a second metal carrier, respectively; stacking a first insulating layer and a second insulating layer with a separable material interposed therebetween, wherein each of the first and second insulating layers has first and second surfaces opposing each other, and the first surface contacts the separable material; burying the first and second circuit patterns in the second surfaces of the first and second insulating layers, respectively; removing the first and second metal carriers; removing the separable material to separate the first and second insulating layers from each other; and forming an opening in each of the first and second insulating layers to connect the first and second surfaces with each other. The method may also be part of a process for manufacturing a semiconductor package. | 01-16-2014 |
Patent application number | Description | Published |
20090148542 | Composition comprising an extract of tiarella polyphylla and tiarellic acid isolated therefrom having antiinflammatory, antiallergic and antiasthmatic activity - The present invention relates to a composition comprising an extract of | 06-11-2009 |
20090324750 | PHARMACEUTICAL COMPOSITION COMPRISING AN EXTRACT OF PSEUDOLYSIMACHION LONGIFOLIUM AND THE CATALPOL DERIVATIVES ISOLATED THEREFROM HAVING ANTIINFLAMMATORY, ANTIALLERGIC AND ANTIASTHMATIC ACTIVITY - The present invention relates to a composition comprising an extract of | 12-31-2009 |
20100081638 | COMPOSITIONS COMPRISING AN EXTRACT OF TIARELLA POLYPHYLLA OR COMPOUNDS ISOLATED THEREFROM FOR PREVENTING AND TREATING CANCER DISEASES - The present invention relates to an anoikis-inducing agent comprising a | 04-01-2010 |
20120183632 | PHARMACEUTICAL COMPOSITION COMPRISING AN EXTRACT OF PSEUDOLYSIMACHION LONGIFOLIUM AND THE CATALPOL DERIVATIVES ISOLATED THEREFROM HAVING ANTIINFLAMMATORY, ANTIALLERGIC AND ANTIASTHMATIC ACTIVITY - The present invention relates to a composition comprising an extract of | 07-19-2012 |
20120184499 | PHARMACEUTICAL COMPOSITION COMPRISING AN EXTRACT OF PSEUDOLYSIMACHION LONGIFOLIUM AND THE CATALPOL DERIVATIVES ISOLATED THEREFROM HAVING ANTIINFLAMMATORY, ANTIALLERGIC AND ANTIASTHMATIC ACTIVITY - The present invention relates to a composition comprising an extract of | 07-19-2012 |
20130108652 | ASTHMA DIAGNOSIS USING THE NEUROPILIN-1 GENE, AND METHOD FOR SCREENING FOR A THERAPEUTIC AGENT FOR ASTHMA | 05-02-2013 |
20130164395 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING INFLAMMATORY DISEASES, ALLERGIC DISEASES OR ASTHMA, CONTAINING DIOSPYROS BLANCOI A. DC. EXTRACT AS ACTIVE INGREDIENT - Disclosed is a pharmaceutical composition for the prophylaxis and therapy of inflammatory diseases, allergic diseases, or asthma, comprising a velvet apple ( | 06-27-2013 |
20130244959 | Composition Containing Styraxlignolide A or the Aglycone Thereof as an Active Ingredient for Preventing or Treating Asthma - The present invention relates to a pharmaceutical composition for preventing or treating asthma, the composition containing styraxlignolide A or an aglycone thereof as an active ingredient. More particularly, styraxlignolide A compound is one separated from stems and barks of | 09-19-2013 |
20140072664 | DAPHNE GENKWA EXTRACTS, AND PHARMACEUTICAL COMPOSITION CONTAINING FRACTIONS OF THE EXTRACTS OR COMPOUNDS SEPARATED FROM THE EXTRACTS AS ACTIVE INGREDIENTS FOR PREVENTING OR TREATING ATOPIC DERMATITIS - The present invention relates to a pharmaceutical composition for the prevention or treatment of atopy comprising the extract of | 03-13-2014 |
20140364492 | PHORBOL TYPE DITERPENE COMPOUND, PHARMACEUTICAL COMPOSITION FOR TREATMENT OR PREVENTION OF VIRAL INFECTIOUS DISEASES INCLUDING SAME - The present invention relates to a diterpene compound derived from | 12-11-2014 |
20140370126 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING INFLAMMATORY DISEASES OR ASTHMA, CONTAINING LAGERSTROEMIA OVALIFOLIA EXTRACT OR FRACTION THEREOF AS ACTIVE INGREDIENT - The present invention relates to a pharmaceutical composition for preventing or treating inflammatory diseases or asthma comprising a | 12-18-2014 |
20140371311 | INGENANE-TYPE DITERPENE COMPOUND, AND PHARMACEUTICAL COMPOSITION FOR TREATING OR PREVENTING VIRAL INFECTIOUS DISEASES CONTAINING SAME - The present invention relates to an injenane-type diterpene compound derived from | 12-18-2014 |
Patent application number | Description | Published |
20090117381 | Acryl Microbead Having Marron Particle Size Distribution and Method of Preparing Thereof - Disclosed herein are acryl microbeads having a narrow particle size distribution and a method of preparing the same. In a method of preparing acryl microbeads through polymerization by stirring a polymerization composition containing vinyl acrylate monomers, an initiator and a dispersion stabilizer at a high speed to form microdroplets and increasing a reaction temperature to induce the polymerization reaction of the monomers within the microdroplets, a low molecular weight seed particle capable of absorbing vinyl acrylate monomers dissolved in a reaction medium outside the microdroplets is supplied at the time of the polymerization reaction, and thus the acryl microbeads have a narrow particle size distribution. The microbeads, which are almost completely free of fine and coarse particles and thus need no sorting process, which range in size from 1 to 50 μm, and which have a narrow particle size distribution can be prepared at a high yield without using a polymerization inhibitor. Exhibiting excellent physicochemical properties including color, transparency, etc., the microbeads can find a wide spectrum of applications in various industries including optical, cosmetic, and food industries. | 05-07-2009 |
20090130339 | Method for Preparing Electroconductive Particles with Improved Dispersion and Adherence - The present invention relates to a method of producing electroconductive electroless plating powder having excellent dispersibility and adherence, and, more particularly, to a method of producing electroconductive electroless plating powder having excellent dispersibility and adherence, using an electroless plating method of forming a metal plating layer on the surface of a base material made of resin powder in an electroless plating solution, wherein an ultrasonic treatment is performed at the time of forming the plating layer. The present invention has advantages in that an aggregation phenomenon, which is generated when the base material made of the resin powder is plated using an electroless plating method, does not occur and a plating reaction can be performed at low temperature, so that it is possible to obtain a compact plating layer and plating powder having improved uniformity and adherence with respect to resin powder. Further, the present invention, unlike the conventional technique, has advantages in that post-treatment processes are not performed and a plating reaction is performed at low temperature, so that the process operating cost is reduced and the processes are made simple. | 05-21-2009 |
20120168692 | Method for Preparing Water-Soluble Nanoparticles and Their Dispersions - Provided is a method for preparing an aqueous dispersion of metal nanoparticles having superior dispersibility and being sinterable at low temperature by modifying the surface of metal nanoparticles having hydrophobic groups with hydrophilic groups. Specifically, by treating the surface hydrophobic groups of the metal nanoparticles with a surface modification solution containing a surfactant and a wetting-dispersing agent, the treatment throughput can be improved about 10-fold and the particles can be monodispersed without agglomeration. Further, by using an antioxidant and a ligand removal agent in the solution, denaturation and oxidation of the particles can be prevented and the high-boiling-point hydrophobic ligands can be eliminated effectively. The hydrophilically treated metal nanoparticles may be dispersed in an aqueous-based solvent to prepare a metal ink sinterable at low temperature. | 07-05-2012 |
20120219703 | Method for Manufacturing Conductive Metal Thin Film Using Carboxylic Acid - The present invention relates to a method for manufacturing a conductive metal thin film, including: preparing a conductive metal coating solution by adding carboxylic acid to a dispersion including a conductive metal particle having a core/shell structure; coating the conductive metal coating solution on a top portion of a substrate, heat-treating it, and removing an metal oxide layer of the surface of the conductive metal particle having the core/shell structure; and forming a thin film of the conductive metal particle from which the metal oxide layer is removed. | 08-30-2012 |
20140076620 | CONDUCTIVE PARTICLE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a conductive particle, including: a base particle containing a metal; a seed particle formed on a surface of the base particle; and a first metal layer formed on the base particle, wherein the first metal layer includes a protrusion surrounding the seed particle. The conductive particle has excellent specific resistance characteristics when it is sintered because it has nanosized protrusions formed on the surface of a metal base particle. | 03-20-2014 |
Patent application number | Description | Published |
20090213119 | Remeshing method and apparatus for restoring sharp features of mesh made smooth enough - A three-dimensional (3D) remeshing apparatus includes a curved surface geometry module for calculating one or more geometric elements, including a normal and a curvature, based on data of an input mesh, a vertex grouping module for grouping vertices of the mesh into a general group, an edge group, and an apex group using information of the curvature calculated by the curved surface geometry module, and a projection module for searching for one or more tangent planes corresponding to one or more of the vertices grouped by the vertex grouping module, projecting one or more corresponding vertices on each of the tangent planes, and restoring one or more edges of the input mesh. | 08-27-2009 |
20100094608 | METHOD OF PROCESSING RIGID BODY INTERACTION IN PARTICLE-BASED FLUID SIMULATION - A method of processing a rigid body interaction in a particle-based fluid simulation includes determining a collision direction based on a normal vector of a pair of input particles and confirming whether parent objects of the particles actually collide against each other after the determination, and calculating a perpendicular impulse based on properties of the parent objects when the collision is confirmed. The method further includes calculating a final collision based boundary force by applying a tangential friction force to the calculated perpendicular impulse to apply the final collision based boundary force to the respective particles. | 04-15-2010 |
20100145632 | METHOD, APPARATUS AND SYSTEM FOR INCOMPRESSIBLE FLUID SIMULATIONS, AND STORAGE MEDIUM STORING PROGRAM FOR EXECUTING THE METHOD - A method for incompressible fluid simulations includes: calculating a force acting on each particle forming a fluid; calculating a velocity field satisfying a incompressibility condition of the fluid based on the calculated force; and moving the particle in the velocity field. Further, the calculating a velocity field includes: calculating a temporary velocity of the particle free of compression based on the calculated force; calculating pressure satisfying the incompressibility condition of the particle based on the calculated temporary velocity; and calculating velocity satisfying the incompressibility condition of the particle by applying the calculated pressure. | 06-10-2010 |
20130155476 | SYSTEM OF DISPLAYING DIGITAL HOLOGRAM BASED ON PROJECTION AND METHOD THEREOF - Disclosed are a system and a method for performing buoyance of a 3D hologram image on a hologram display screen in a projection mode. A system of displaying a digital hologram includes: a composite hologram unit configured to generate a hologram array by receiving hologram data of a fringe pattern and by compositing background image and a foreground image using the received fringe pattern; a hologram projection unit configured to project a hologram image through a wide-angle lens by applying a light to the hologram array; and a hologram display unit configured to perform space buoyance of the hologram image projected by the hologram projection unit on a 3D hologram display screen. The digital hologram content is managed in real time by using the present disclosure, and transmission of the digital hologram content to a remote place and site adaptive display of hologram image media may be achieved. | 06-20-2013 |
20130208010 | METHOD FOR PROCESSING INTERACTION BETWEEN USER AND HOLOGRAM USING VOLUMETRIC DATA TYPE OBJECT WAVE FIELD - Disclosed is a method for processing interaction between a user and hologram using a volumetric data type object wave field. A method for processing interaction between a user and hologram for user's action using a volumetric data type object wave field includes: capturing user action on the holographic image of the object and solving collision between user and object; computing the updated position and rotation of the object by time integration of rigid body equation in collision; calculating the relative position and rotation of the hologram plane with respect to local object coordinates; transforming the hologram in the pre-computed volumetric object wave field grid according to the relative position and rotation of the hologram plane in local object coordinates and reading the object wave fields at all the pixels of the transformed hologram plane in order to generate a new hologram for the transformed object caused by user action. | 08-15-2013 |
20140085692 | METHOD AND SYSTEM FOR PROCESSING HOLOGRAM DATA USING HOLOGRAM FRINGE DATA FORMAT ADAPTIVE TO DATA ENCODING SCHEME - A hologram data processing method using a hologram fringe data format adaptive to a data encoding scheme includes configuring model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram, computing hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object, setting, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram, reconstructing an optical hologram by applying the data encoding scheme to the hologram fringe data, and adjusting the optical hologram by comparing a reconstructed image of the optical hologram to a reconstructed image of a numerical hologram. | 03-27-2014 |
20140313555 | DIGITAL HOLOGRAM SYNTHESIS METHOD AND APPARATUS - Provided are a digital hologram synthesis method and apparatus based on an angular spectrum. The digital hologram synthesis method includes representing an input digital hologram as at least one angular spectrum region by applying Fourier transformation to the input digital hologram, registering the at least one angular spectrum region by projecting the at least one angular spectrum region onto a spherical surface, and generating a synthesis digital hologram based on the registered at least one angular spectrum region. Accordingly, it is possible to generate a new digital hologram with a different orientation or at a different distance using an angular spectrum of a digital hologram generated in advance, without geometric information of an object. In addition, it is possible to readily and intuitively synthesize a new digital hologram while viewing an image visualized in a 3D space. | 10-23-2014 |
Patent application number | Description | Published |
20110183149 | OPTICAL FILM AND METHOD OF PREPARING SAME - The present invention relates to an optical film and method of manufacturing the same. The optical film of the present invention includes an acrylic resin and a core-shell type graft copolymer wherein the core includes a conjugate diene rubber, and the shell includes an acrylic monomer, an aromatic vinyl monomer, and a maleimide monomer. | 07-28-2011 |
20110311869 | POSITIVE ELECTRODE ACTIVE MATERIAL WITH HIGH CAPACITY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A high capacity lithium secondary battery includes a lithium manganese oxide having a layered structure exhibiting a great irreversible capacity in the event of overcharging at a high voltage and a spinel-based lithium manganese oxide. Because it is activated at a high voltage of 4.45 V or higher based on a positive electrode potential, additional lithium for utilizing a 3V range of the spinel-based lithium manganese oxide can be provided and an even profile in the entire SOC area can be obtained. Because the lithium secondary battery includes the mixed positive electrode active material including the spinel-based lithium manganese oxide and the lithium manganese oxide having a layered structure, and is charged at a high voltage, its stability can be improved. Also, the high capacity battery having a large available SOC area and improved stability without causing an output shortage due to a rapid voltage drop in the SOC area can be implemented. | 12-22-2011 |
20110311872 | POSITIVE-ELECTRODE ACTIVE MATERIAL FOR ELEVATION OF OUTPUT AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A lithium secondary battery having improved output characteristics is provided. A high voltage mixed positive electrode active material has an even profile without causing a rapid voltage drop over the entire SOC area by improving a rapid voltage drop phenomenon occurring due to the difference between the operation voltages of mixed lithium transition metal oxides, and improves output characteristics at a low voltage. The lithium secondary battery includes the mixed positive electrode active material. In particular, the lithium secondary battery can sufficiently satisfy the required conditions such as output characteristics, capacity, stability, and the like, when it is used as a power source of a midsize or large device such as an electric vehicle. | 12-22-2011 |
20120217452 | MIXED CATHODE ACTIVE MATERIAL HAVING IMPROVED POWER CHARACTERISTICS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a mixed cathode active material including lithium manganese oxide expressed as Chemical Formula 1 and a stoichiometric spinel structure Li | 08-30-2012 |
20120244432 | MIXED CATHODE ACTIVE MATERIAL HAVING IMPROVED POWER CHARACTERISTICS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a mixed cathode active material including layered structure lithium manganese oxide expressed as Chemical Formula 1 and a second cathode active material having a plateau voltage profile in a range of 2.5 V to 3.3 V, and a lithium secondary battery including the mixed cathode active material. The mixed cathode active material and the lithium secondary battery including the same may have improved safety and simultaneously, may be used in an operating device requiring the foregoing battery by widening a state of charge (SOC) range able to maintain power more than a required value by allowing the second cathode active material to complement low power in a low SOC range. | 09-27-2012 |
20130022872 | CATHODE ACTIVE MATERIAL COMPRISING LITHIUM MANGANESE OXIDE CAPABLE OF PROVIDING EXCELLENT CHARGE-DISCHARGE CHARACTERISTICS AT 3V REGION AS WELL AS 4V REGION - Disclosed herein is a cathode active material including a lithium manganese oxide, in which the lithium manganese oxide has a spinel structure with a predetermined constitutional composition represented by Formula 1 described in the detailed description, wherein a conductive material is applied to the surface of lithium manganese oxide particles, so as to exhibit charge-discharge properties in the range of 2.5 to 3.5V as well as in the 4V region. | 01-24-2013 |
20130183588 | CATHODE ACTIVE MATERIAL WITH HIGH CAPACITY AND IMPROVED CONDUCTIVITY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode active material including a lithium manganese-based oxide. The lithium manganese-based oxide has a spinel structure, exhibits core-shell phase transition by which phase transition of a crystal structure occurs from a cubic structure to a tetragonal structure in a direction from the surface of particles to the center of the particles during discharging to the 3V region, and includes a conductive material at the shell to improve electrical conductivity of the tetragonal structure. | 07-18-2013 |
20130189578 | CATHODE ACTIVE MATERIAL COMPRISING LITHIUM MANGANESE-BASED OXIDE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY BASED UPON THE SAME - Disclosed is a cathode active material including a lithium manganese-based oxide. The lithium manganese-based oxide has a spinel structure represented by Formula 1 below and high lithium ion diffusivity since (440) planes are predominantly formed in a crystal structure thereof. | 07-25-2013 |
20130221283 | LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE MATERIAL FOR IMPROVING OUTPUT CHARACTERISTICS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a positive electrode active material for improving an output and a lithium secondary battery including the same. Particularly, graphite and conductive carbon which have shapes and sizes different from each other, may be simultaneously coated on a mixed positive electrode material of a 3-component system lithium-containing metal oxide having a layered structure and expressed as following Chemical Formula 1 and LiFePO | 08-29-2013 |
20130224585 | HIGH-CAPACITY CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided is a cathode active material including lithium manganese-based oxide, wherein the lithium manganese-based oxide has a layered crystal structure, has a content of manganese (Mn) greater than contents of other transition metal(s), includes 1 mole or more of lithium (Li) with respect to 1 mole of lithium transition metal oxide, has a plateau potential range in which lithium deintercalation as well as oxygen release occurs during initial charging in a high voltage range of 4.4 V or more, has domains included in the layered crystal structure exhibiting electrochemical activity due to a structural change in a potential range of 3.5 V or less after the initial charging, and includes conductive materials for improving electrical conductivity of the lithium manganese-based oxide in a potential range of 3.5 V or less after the initial charging. | 08-29-2013 |
20130244105 | POSITIVE ACTIVE MATERIAL FOR SECONDARY BATTERY OF IMPROVED RATE CAPABILITY - Disclosed is a novel cathode active material for secondary batteries. More specifically, disclosed is a cathode active material for secondary batteries that reduces deintercalation of oxygen from a crystal structure of Li2MnO3 at a high voltage of 4.3V to 4.6V through incorporation of excess lithium in a transition metal cation layer. | 09-19-2013 |
20140000100 | POSITIVE ELECTRODE ACTIVE MATERIAL HAVING IMPROVED SAFETY AND LIFETIME CHARACTERISTICS AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME | 01-02-2014 |
20140183407 | CATHODE ACTIVE MATERIAL COMPOSITION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a cathode active material composition including an xLi | 07-03-2014 |
20140220427 | COMPOSITION FOR GEL POLYMER ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a composition for a gel polymer electrolyte including i) an electrolyte solution solvent, ii) an ionizable lithium salt, iii) a polymerization initiator, and iv) a monomer having a functional group bondable to metal ions, and a lithium secondary battery including the composition for a gel polymer electrolyte. | 08-07-2014 |
20140220451 | HIGH-VOLTAGE LITHIUM SECONDARY BATTERY - Provided are a lithium secondary battery including a cathode, an anode, a separator, and a gel polymer electrolyte, wherein the gel polymer electrolyte includes an acrylate-based polymer and a charge voltage of the battery is in a range of 4.3 V to 5.0 V, and a method of preparing the lithium secondary battery. A high-voltage lithium secondary battery of the present invention has excellent capacity characteristics at a high voltage of 4.3 V or more. | 08-07-2014 |
20140231720 | POSITIVE ELECTRODE ACTIVE MATERIAL WITH IMPROVED OUTPUT AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - A mixed positive electrode active material comprising a lithium manganese oxide represented by following [Chemical Formula 1] and a second positive electrode active material represented by following [Chemical Formula 2], and a lithium secondary battery comprising the same are disclosed. | 08-21-2014 |
20140284408 | CONTAINER FOR STIRRER - The present invention relates to a container for a stirrer used in a stirrer stirring objects through a centrifugal force. The container for the stirrer includes a container body of which the top is opened and in which a receiving space is formed, an outer lid coupled to the top of the container body, and a crushing unit including a supporting member disposed in the receiving space, and a crushing member extending outward from the supporting member and crushing and stirring the objects received in the receiving space. Thus, nanoparticle-sized objects can be rapidly crushed and stirred without agglomeration. | 09-25-2014 |
20140291588 | MIXED CATHODE ACTIVE MATERIAL HAVING IMPROVED POWER CHARACTERISTICS AND SAFETY, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a mixed cathode active material having improved power characteristics and safety, and a lithium secondary battery including the same. More particularly, the present invention relates to a mixed cathode active material which may assist power in a low SOC range to widen an available state of charge (SOC) range and may simultaneously provide improved safety by blending substituted LFP, in which operating voltage is adjusted by substituting a portion of iron (Fe) with other elements such as titanium (Ti), in order to prevent a rapid increase in resistance of manganese (Mn)-rich having high capacity but low operating voltage in a low SOC range (e.g., a SOC range of 10% to 40%), and a lithium secondary battery including the mixed cathode active material. | 10-02-2014 |
20140322605 | MIXED CATHODE ACTIVE MATERIAL HAVING IMPROVED POWER CHARACTERISTICS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a mixed cathode active material having improved power characteristics and a lithium secondary battery including the same. More particularly, the present invention relates to a mixed cathode active material which may reduce the difference in operating voltage with respect to layered-structure lithium transition metal oxide and may consequently minimize power reduction in a transient region by using LFP having a portion of iron (Fe) substituted with other elements, such as manganese (Mn), (LMFP), in order to prevent a rapid voltage drop in the transient region when layered-structure lithium transition metal oxide and olivine-structured lithium oxide (e.g., LFP) are blended, and a lithium secondary battery including the mixed cathode active material. | 10-30-2014 |
20150085362 | OPTICAL FILM AND METHOD OF PREPARING SAME - The present invention relates to an optical film and method of manufacturing the same. The optical film of the present invention includes an acrylic resin and a core-shell type graft copolymer wherein the core includes a conjugate diene rubber, and the shell includes an acrylic monomer, an aromatic vinyl monomer, and a maleimide monomer. | 03-26-2015 |
Patent application number | Description | Published |
20090158074 | CLUSTER SYSTEM WITH REDUCED POWER CONSUMPTION AND POWER MANAGEMENT METHOD THEREOF - Provided are a cluster system, which can reduce power consumption by controlling power at a cluster level according to loads, and a power management method of the cluster system. The cluster system includes a plurality of management target nodes for performing an actual task which the cluster system is supposed to perform, a load balancer/switch for distributing a user's request received through an external network into the management target nodes, and a power management master for monitoring a load of an entire system and performing a power management by controlling the load balancer/switch. The power management master classifies the management target nodes into a power on group and a power off group. | 06-18-2009 |
20100162013 | REMOTE POWER MANAGEMENT SYSTEM AND METHOD FOR CLUSTER SYSTEM - A remote power management technology for a cluster system of the present invention can monitor and control the power status of multiple hosts of the cluster system individually, thereby decreasing power consumption of the cluster system. A remote power management system includes a plurality of management nodes, a power proxy server, and a power management server. The management nodes, which manage power of the hosts of the cluster system respectively, are divided into groups. The power proxy server manages each group, monitors the power status of each management node of the group to generate proxy monitoring information, and transmits a power setting command to the management node of the specific host requiring power setting. The power management server monitors the power status of the hosts using the proxy monitoring information and transmits the power setting command to the power proxy server of the group including the management node of the specific host. | 06-24-2010 |
20130054955 | OPERATING SYSTEM SWITCHING METHOD IN INFORMATION PROCESSING SYSTEM - An OS switching method for switching an OS within several seconds in an information processing system is provided. In the information processing system which includes a processor, a main memory, a nonvolatile memory, and a plurality of input/output apparatuses, an OS switcher is executed when power is applied to the information processing system. When a first OS acquires an OS switch command that indicates a switch to a second OS while the first OS is activated and running, the first OS stores identification information of the second OS and information indicating an OS switch in the nonvolatile memory, and performs STR. The OS switcher switches an OS from the first OS to the second OS after the STR is completed. Accordingly, in the system, one OS can be quickly switched to another OS within several seconds, and a previous working environment can be maintained. | 02-28-2013 |
20130117530 | APPARATUS FOR TRANSLATING VIRTUAL ADDRESS SPACE - The apparatus includes a virtual address space generation unit generating a virtual address space of a guest operating system, the guest operating system being executed in the virtual address space, and a virtual address space of a virtual machine monitor, the virtual machine monitor being executed in the virtual address space; a gateway page generation unit generating a gateway page allocated to a predetermined region of an actual memory region and mapped to the virtual address space of the guest operating system and the virtual address space of the guest machine monitor; and a memory management unit executing the gateway page to map a kernel region of the guest operating system to the predetermined region of the virtual address space of the virtual machine monitor to perform translation between the virtual address space of the guest operating system and the virtual address space of the virtual machine monitor. | 05-09-2013 |
20130160005 | APPARATUS AND METHOD FOR VIRTUALIZING INPUT/OUTPUT DEVICES USING SHARED MEMORY IN HOST-BASED MOBILE TERMINAL VIRTUALIZATION ENVIRONMENT - Disclosed herein are an apparatus and method for virtualizing Input/Output (I/O) devices. The apparatus includes a hardware device control unit, a guest Operating System (OS) unit, a virtual machine monitor unit, and a host OS unit. The hardware device control unit controls the I/O devices of a terminal. The guest OS unit runs a guest OS via a virtual machine. The virtual machine monitor unit includes shared memory and an event channel, stores an instruction and data, and transfers the stored instruction and the data to a host OS. The host OS unit performs the operation of assigning the shared memory to the virtual machine monitor unit, the operation of generating the event channel, and an operation corresponding to the I/O instruction, stores the results of performance of the operations, and performs control so that the results of the performance of the operations are sent to the guest OS unit. | 06-20-2013 |
20140214922 | METHOD OF PROVIDING VIRTUAL MACHINE AND SERVICE GATEWAY FOR REAL-TIME VIRTUAL DESKTOP SERVICE - Disclosed herein is a method of providing a virtual machine and service gateway for real-time virtual desktop service. The service gateway includes a user information management unit, a virtual machine information management unit, and a virtual machine generation unit. The user information management unit authenticates user information. The virtual machine information management unit generates access information about a virtual machine corresponding to the user information, and provides the generated access information to a client unit. The virtual machine generation unit selects a service provider server in response to a request from a client unit, and generates a virtual machine in the selected service provider server. | 07-31-2014 |
20140366093 | APPARATUS AND METHOD FOR VIRTUAL DESKTOP SERVICE - Disclosed herein are a method and architecture capable of efficiently providing virtual desktop service. A service architecture for virtual desktop service according to the present invention includes a connection broker configured to perform authentication, manage virtual machines, and perform a server monitoring and protocol coordination function, a resource pool configured to manage software resources that are delivered to a specific virtual machine in a streaming form on a specific time in order to provide on-demand virtual desktop service and are executed on the specific virtual machine and to provide provision information about the managed software resources in response to a request from the connection broker, and a virtual machine infrastructure configured to support hardware resources, generate virtual machines in which the software of a user terminal is executed, and provide the generated virtual machine as virtual desktops. | 12-11-2014 |
20140380089 | METHOD AND APPARATUS FOR RECOVERING FAILED DISK IN VIRTUAL MACHINE - A method and apparatus for recovering the failed disk of a virtual machine in a virtualization system are disclosed. The apparatus includes a system performance analysis unit, a failed disk recovery unit, and a disk exchange unit. The system performance analysis unit calculates recovery resources, that is, network and disk I/O bandwidths, to be assigned to the recovery of a failed disk by analyzing the performance of the virtualization system. The failed disk recovery unit performs the discovery of the failed disk by recovering a copy disk, that is, a copy of the failed disk, using a mandatory disk stored in the virtualization system while ensuring the performance of virtual machines based on the recovery resources. The disk exchange unit deletes the failed disk and assigns the recovered copy disk to a virtual machine corresponding to the failed disk. | 12-25-2014 |
Patent application number | Description | Published |
20090154514 | OPTICAL AMPLIFIER-INTEGRATED SUPER LUMINESCENT DIODE AND EXTERNAL CAVITY LASER USING THE SAME - Provided is a super luminescent diode having low power consumption due to low threshold current and a high output power in low-current operation, which is suitable for an external cavity laser. The super luminescent diode for use in the external cavity laser is divided into a super luminescent diode (SLD) region and a semiconductor optical amplifier (SOA) region to provide a light source having a low threshold current and a nearly double output power of a conventional SLD. | 06-18-2009 |
20100238962 | EXTERNAL CAVITY LASER LIGHT SOURCE - Provided is an external cavity laser light source. The light source includes a substrate, an optical waveguide, and a current blocking layer. The optical waveguide includes a passive waveguide layer, a lower clad layer, an active layer, and an upper clad layer that are sequentially stacked on the substrate and is divided into regions including a linear active waveguide region, a bent active waveguide region, a tapered waveguide region, and a window region. The current blocking layer was formed an outside of the active layer to reduce leakage current. The linear and bent active waveguide regions have a buried heterostructure (BH), and the tapered waveguide region and the window region have a buried ridge stripe (BRS) structure. The passive waveguide layer a width substantially equal to a maximal width of the tapered waveguide region at least in the bent active waveguide region, the tapered waveguide region, and the window region. | 09-23-2010 |
20120307857 | SUPERLUMINESCENT DIODE, METHOD OF MANUFACTURING THE SAME, AND WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER INCLUDING THE SAME - Provided are a high-speed superluminescent diode, a method of manufacturing the same, and a wavelength-tunable external cavity laser including the same. The superluminescent diode includes a substrate having an active region and an optical mode size conversion region, waveguides including an ridge waveguide in the active region and a deep ridge waveguide in the optical mode size conversion region connected to the active waveguide, an electrode disposed on the ridge waveguide; planarizing layers disposed on sides of the ridge waveguide and the deep ridge waveguide on the substrate, and a pad electrically connected to the electrode, the pad being disposed on the planarizing layers outside the active waveguide. | 12-06-2012 |
20130163621 | EXTERNAL CAVITY TUNABLE LASER MODULE - Disclosed is an external cavity tunable laser module including a substrate; a mirror surface that is formed on the substrate to reflect a laser incoming from the outside; a transmissive liquid crystal filter that is formed at a rear side of the mirror surface to select and tune a wavelength of the laser reflected through the mirror surface; and a light source chip that is formed at a rear side of the transmissive liquid crystal filter to reflect the laser that passes through the transmissive liquid crystal filter at a specific wavelength interval to form a plurality of channels and tune wavelengths of the channels. | 06-27-2013 |
20130163993 | DIRECTLY-COUPLED WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER - Disclosed is a directly-coupled wavelength-tunable external cavity laser including a gain medium that generates an optical signal by an applied bias current; an optical waveguide structure that is coupled to the gain medium to form a minor surface and causes lasing in the mirror surface when the applied bias current has a threshold or higher; and a radio frequency transmission medium that adds a radio frequency signal to the applied bias current to adjust an operating speed of the optical signal. | 06-27-2013 |
20130243013 | TUNABLE LASER MODULE - The present disclosure relates to a tunable laser module including a light gain area unit for outputting an optical signal; an optical distributor for separating the optical signal output from the light gain area unit; two comb reflection units for reflecting a part of optical signals separated by the optical distributor and allow a part of the optical signals to penetrate; two phase units for changing phases of the optical signals penetrating the two comb reflection units; an optical coupler for combining the optical signals of which the phases are changed by the two phase units; and an optical amplifier for amplifying the optical signal combined by the optical coupler, wherein the light gain area unit oscillates a laser by totally reflecting the optical signals reflected by the two comb reflection units. | 09-19-2013 |
20130287054 | DISTRIBUTED FEEDBACK-LASER DIODES - Distributed feedback-laser diodes are provided. The distributed feedback-laser diode may include a substrate, a lower cladding layer having a grating on the substrate, an active layer disposed on the lower cladding layer, a first upper cladding layer disposed on the active layer, a phase-shift region extending in a first direction on the first upper cladding layer, and a ridge waveguide layer extending in a second direction crossing the first direction on the phase-shift region. | 10-31-2013 |
20140064306 | COMPACT EXTERNAL CAVITY TUNABLE LASER APPARATUS - The present disclosure relates to a compact external cavity tunable laser apparatus. The laser apparatus includes a substrate, an external cavity tunable reflecting unit that reflects laser light entering from the outside on the substrate and selects and varies a wavelength of the reflected laser light, an optical fiber that outputs the laser light on the substrate; and an highly integrated light source that integrates the laser light input from the external cavity tunable reflecting unit using inclined input and output waveguides, a curved waveguide, and a straight waveguide to output the integrated laser light to the optical fiber in order to match an optical axis formed with the external cavity tunable reflecting unit with an optical axis formed with an optical fiber. | 03-06-2014 |
Patent application number | Description | Published |
20090172404 | Method and Apparatus for Hybrid Watermarking - A hybrid watermark insertion method includes the steps of dividing the digital image into a low frequency region and a high frequency region using an edge map of the digital image; inserting a watermark into the low frequency region of the image by employing a watermarking method using a human visual system (HVS); and inserting the watermark into the high frequency region of the image by employing a quantization index modulation (QIM) method. A hybrid watermark extraction method includes the steps of estimating a reference value used when inserting a watermark, and searching a maximum value of correlation coefficients in an image of the watermark image while changing the estimated reference value within a designated range, to thereby find out the watermark insertion method. Accordingly, the watermark insertion method can be easily identified, thereby enabling the watermark extraction in a more readily manner. | 07-02-2009 |
20100063978 | APPARATUS AND METHOD FOR INSERTING/EXTRACTING NONBLIND WATERMARK USING FEATURES OF DIGITAL MEDIA DATA - An apparatus and method for inserting/extracting a nonblind watermark using features of digital media data are provided. The apparatus and method inserts a watermark adaptively using watermark-related information determined by analyzing the characteristics of digital media data, also extracts features of the digital media data, automatically searches original media data corresponding to the features, and simultaneously and efficiently extracts a watermark using watermark-related information. Therefore, When the watermark is extracted, the original media data can be searched automatically. | 03-11-2010 |
20100183189 | IMAGE SIGNATURE CREATING METHOD AND APPARATUS FOR DISCRIMINATING STILL IMAGES - An image signature creating method includes: creating a map by partitioning a still image using rings defined by concentric circles radially spaced apart from each other by a predetermined interval and radial lines circumferentially spaced apart from each other by a predetermined angle, the center of the still image being that of the concentric circles; and creating an image signature from the created map on the basis of distribution of pixels in regions defined by the rings and the radial lines. Accordingly, distribution of illegal contents is prevented and interrupted by search for and discrimination of a still image illegally deformed by a copying of or an intended attack on the still image. | 07-22-2010 |
20100228751 | METHOD AND SYSTEM FOR RETRIEVING UCC IMAGE BASED ON REGION OF INTEREST - A method for retrieving an image based on a region of interest (ROI) includes: requesting an image retrieval server to retrieve candidate images corresponding to a query in a mobile communication terminal; retrieving the candidate images corresponding to the query in the image retrieval server to transmit the candidate images to the mobile communication terminal; designating an ROI on one of the received candidate images in the mobile communication terminal; converting the designated ROI image into a descriptor to request the image retrieval server to retrieve ROI-based images corresponding to the descriptor; retrieving the ROI-based images in the image retrieval server to transmit the ROI-based images to the mobile communication terminal; and displaying an image selected by a user among the transmitted ROI-based images in the mobile communication terminal. | 09-09-2010 |
20100232641 | METHOD AND SYSTEM FOR IDENTIFYING UCC USING IMAGE IDENTIFIER - There is provided a method of identifying User-Created Content (UCC) using an image identifier, including combining a still image with the image identifier, requesting registration of UCC corresponding to the still image combined with the image identifier, and combining a UCC identifier, issued in response to the request, with the still image combined with the image identifier, thus generating final UCC. | 09-16-2010 |
20100239163 | IMAGE SEARCHING METHOD AND APPARATUS - An image searching method includes: resizing an input image in question; generating 3D image identifiers for the resized input image in question; and performing an image search for the input image in question by using the 3D image identifiers. Said resizing an input image includes: extracting a black-and-white image and a color image from the input image in question; resizing the black-and-white image; and resizing the color image. Said generating 3D image identifiers includes: extracting an MGST feature of the input image in question; extracting an angular partition feature of the input image in question; and extracting a color feature of the input image in question. Further, said performing an image search includes: calculating similarity between representative colors of the input image in question and a reference image; and if the similarity is above a predetermined level, matching the 3D image identifiers for the two images. | 09-23-2010 |
20100268715 | INDEX DATABASE CREATING APPARATUS AND INDEX DATABASE RETRIEVING APPARATUS - An index database creating apparatus includes a feature extracting unit for extracting features from a content; an index creating unit for creating feature indices of the extracted features; an index selector for selecting one or more of the feature indices based on frequency-based importance levels thereof; and a feature index database for storing therein the selected feature indices along with locations thereof in the content. The index selector obtains the frequency-based importance levels based on frequency distributions of the feature indices in the content and in other contents to be stored in the feature index database. | 10-21-2010 |
20110150365 | SYSTEM FOR EVALUATING AND CERTIFYING ROI-BASED IMAGE IDENTIFY TECHNOLOGY - The present invention relates to a system for certifying an image identify technology. The system for certifying an image identify technology according to an embodiment of the present invention includes a test image DB that stores still images and moving images; a modified image generator that generates modified images from the still images and the moving images; a modified image DB that stores the modified images; a statistical information unit that calculates statistical information by using results identifying the still images, the moving images, and the modified images by the image identify technology; an evaluator that evaluates the accuracy of the image identify technology according to the statistical information; and a certificate generator that generates certificate by using the statistical information and the accuracy. | 06-23-2011 |
20110150423 | DIGITAL VIDEO MANAGING AND SEARCHING SYSTEM - A system for managing and searching for a digital video includes: a video feature point extraction unit decoding an input video and extracting a feature point; a video feature point database (DB) storing and managing a feature point of a video to be compared (i.e., a comparison target video), and a video feature point comparison unit coarsely comparing the feature point of the input video and that of the comparison target video to acquire a candidate group, and minutely comparing the candidate group to detect a content repeated section, and informing a user of the content repeated section. | 06-23-2011 |
20120148118 | METHOD FOR CLASSIFYING IMAGES AND APPARATUS FOR THE SAME - An image classifying apparatus may include a database constructor which constructs database by detecting face region from received classification target image, extracting face feature descriptor from detected face region, extracting a costume feature descriptor using position information of detected face region, and storing face feature descriptor and costume feature descriptor in database, a first processor which generates representative image model by comparing face feature descriptor and costume feature descriptor of classification target image stored in database based on a received representative image to search for a similar image and registering similar image in a representative image model for each person, and second processor which compares additional information of representative image stored in representative image model for each person and additional information of classification target image stored in database and classifies image for each person based on similarity measured by adding up weights corresponding to similarities according to comparison results. | 06-14-2012 |
20120150890 | METHOD OF SEARCHING FOR MULTIMEDIA CONTENTS AND APPARATUS THEREFOR - Provided are a method of searching for multimedia contents and an apparatus therefor. The method includes separating an audio signal from indexing target multimedia contents and performing pre-processing on the audio signal, extracting a silence period of the audio signal, extracting an audio feature in at least one predetermined length period after an end point of the silence period, storing at least two of information for the multimedia contents, the audio feature and the end point of the silence period, to be associated with each other, in a database, and receiving the audio feature of the multimedia contents and searching the database for multimedia contents having the same or a similar audio feature as the search target multimedia contents. | 06-14-2012 |
20120163475 | FAST MATCHING SYSTEM FOR DIGITAL VIDEO - A fast matching system for a digital video is provided. The fast matching system includes a video feature point extractor for extracting feature points of video frames of a digital video when the digital video is input, a feature point index mapper for receiving the video feature points from the video feature point extractor and configuring an index table by mapping the video feature points to a plurality of indices, a video feature point database (DB) for storing the index table, and a video feature point comparator for outputting video information corresponding to matched indices by comparing the video feature points extracted by the video feature point extractor with the indices of the index table stored in the video feature point DB. | 06-28-2012 |
20130223749 | IMAGE RECOGNITION APPARATUS AND METHOD USING SCALABLE COMPACT LOCAL DESCRIPTOR - An image recognition apparatus using a scalable compact local feature descriptor is provided. The image recognition apparatus includes a feature descriptor generator, a database, and a descriptor matcher. The feature descriptor generator extracts scalable compact local feature descriptor information for recognizing an object from input image information. The database includes information on a plurality of feature descriptors. The descriptor matcher compares a feature descriptor output from the feature descriptor generator with a plurality of feature descriptors stored in the database to recognize an object included in an image. | 08-29-2013 |
Patent application number | Description | Published |
20080200362 | POWDER DETERGENT GRANULE CONTAINING ACIDIC WATER-SOLUBLE POLYMER AND MANUFACTURING METHOD THEREOF - The present invention relates to powder detergent granules that are substantially free of a water-insoluble component such as zeolite or silica, a method for manufacturing the powder detergent granules and a copolymer having various properties useful as a detergent component. The powder detergent granules of the present invention are substantially free of a water-insoluble component, and thus exhibit good solubility and washing performance (stain removal performance) in cold water, do not leave residue after laundry, and reduce the likelihood of a caking phenomenon during manufacture and storage. And, the powder detergent granules of the present invention are substantially free of zeolite or silica that absorbs a liquid component, but are capable of accommodating a considerable amount of liquid surfactant. Further, a copolymer comprising acrylic acid monomer unit and 2-acrylamido-2-methylpropane sulfonic acid monomer unit, an acidic water-soluble polymer of the present invention, is useful as a detergent component in various aspects. | 08-21-2008 |
20100137185 | POWDER DETERGENT GRANULE CONTAINING ACIDIC WATER-SOLUBLE POLYMER AND MANUFACTURING METHOD THEREOF - The present invention relates to powder detergent granules that are substantially free of a water-insoluble component such as zeolite or silica, a method for manufacturing the powder detergent granules and a copolymer having various properties useful as a detergent component. The powder detergent granules of the present invention are substantially free of a water-insoluble component, and thus exhibit good solubility and washing performance (stain removal performance) in cold water, do not leave residue after laundry, and reduce the likelihood of a caking phenomenon during manufacture and storage. And, the powder detergent granules of the present invention are substantially free of zeolite or silica that absorbs a liquid component, but are capable of accommodating a considerable amount of liquid surfactant. Further, a copolymer comprising acrylic acid monomer unit and 2-acrylamido-2-methylpropane sulfonic acid monomer unit, an acidic water-soluble polymer of the present invention, is useful as a detergent component in various aspects. | 06-03-2010 |
20110218136 | POWDER DETERGENT GRANULE CONTAINING ACIDIC WATER-SOLUBLE POLYMER AND MANUFACTURING METHOD THEREOF - The present invention relates to powder detergent granules that are substantially free of a water-insoluble component such as zeolite or silica, a method for manufacturing the powder detergent granules and a copolymer having various properties useful as a detergent component. The powder detergent granules of the present invention are substantially free of a water-insoluble component, and thus exhibit good solubility and washing performance (stain removal performance) in cold water, do not leave residue after laundry, and reduce the likelihood of a caking phenomenon during manufacture and storage. And, the powder detergent granules of the present invention are substantially free of zeolite or silica that absorbs a liquid component, but are capable of accommodating a considerable amount of liquid surfactant. Further, a copolymer comprising acrylic acid monomer unit and 2-acrylamido-2-methylpropane sulfonic acid monomer unit, an acidic water-soluble polymer of the present invention, is useful as a detergent component in various aspects. | 09-08-2011 |