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| 20120068619 | DEVICE FOR CONTROLLING CURRENT OF LED - Disclosed herein is a device for controlling current of an LED including a constant current generator, a current mirror, and a current amplifier, the device controlling current of an LED, comprising: a selector outputting an L signal or an H signal according to an input control signal; and a current changing unit formed by connecting at least one switching unit in parallel, the switching unit including a transistor and a switch connected to the transistor in series. The device for controlling current of an LED adjusts current supplied to the current amplifier using a SEL input without an effect of a noise, thereby making it possible to change the current of the LED without separately changing a resistor. | 03-22-2012 |
| 20120068738 | DEVICE AND METHOD FOR GENERATING THREE MODE SIGNAL - The device for generating three mode signals includes: a voltage setting block including an input terminal receiving three input signals of driving voltage, open, and ground and setting three voltages according to the three input signals; and an output block including two output terminals and a second node B receiving the three voltages from the voltage setting block, and outputting three combined signals by comparing an input voltage with a reference voltage, whereby only a small number of resistors and amplifiers generates three mode signals to further reduce the chip size than the related art and the external power source is not required to solve the problems of the related art due to noise. | 03-22-2012 |
| 20120154004 | PULSE SIGNAL GENERATION CIRCUIT AND METHOD FOR OPERATING THE SAME - A pulse signal generation circuit includes a transfer path configured to receives and transfer a first pulse signal, a pulse adjustment unit configured to adjust a pulse width of the first pulse signal by applying charges to the transfer path in response to a control signal, and a pulse output unit configured to output a second pulse signal of the adjusted pulse width in response to an output of the transfer path. | 06-21-2012 |
| 20120212146 | LED DRIVING DEVICE - Disclosed herein is a light emitting diode (LED) driving device for driving a multi-channel LED element or an LED array for each channel, the LED driving device including: a constant current driver driving currents flowing in each channel; a first switching unit selectively feeding-back voltage levels of each channel; and a switching controller controlling the turn on/off of the first switching unit, wherein matching characteristics of currents flowing in each channel is improved and a size of an integrated circuit (IC) chip is also reduced as compared to a case according to the related art, thereby making it possible to reduce a production cost and satisfy the trend of miniaturization of the chip, while solving a performance deterioration problem due to degradation of the matching of the currents between the channels. | 08-23-2012 |
| 20120212152 | LED DRIVING DEVICE - Disclosed herein is a light emitting diode (LED) driving device for driving a multi-channel LED element or an LED array for each channel, the LED driving device including: a constant current driver driving currents flowing in each channel; and a minimum voltage selector receiving voltage levels of each channel and selecting a minimum voltage level to thereby feedback the selected minimum voltage level to the constant current driver, wherein matching characteristics of currents flowing in each channel is improved and a size of an integrated circuit (IC) chip is also reduced as compared to a case according to the related art, thereby making it possible to reduce a production cost and satisfy the trend of miniaturization of the chip, while solving a performance deterioration problem due to deterioration of the matching of the currents between the channels. | 08-23-2012 |
| 20130088803 | POWER SUPPLY APPARATUS - The present invention relates to a power supply apparatus including: a converting unit for converting an applied voltage into a predetermined level; a switching unit opened or closed to control current flowing in the converting unit; a detecting unit for detecting occurrence of overcurrent when a voltage applied to the switching unit is higher than a preset reference voltage; and a control unit for performing a protection operation when the overcurrent is detected more than a predetermined number of times within a predetermined time from when the overcurrent is detected and can prevent malfunction due to noises. | 04-11-2013 |
| 20140184293 | PULSE SIGNAL GENERATION CIRCUIT AND OPERATING METHOD THEREOF - The present invention relates to a pulse signal generation circuit for changing a pulse width of an input pulse signal and outputting an output pulse signal having the changed pulse width. In an aspect, the pulse signal generation circuit may include a control signal generator configured to generate at least one control signal according to a pulse width of a input pulse signal and a pulse signal generator configured to control a pulse width of an input pulse signal in response to a control signal and to generate an output pulse signal with the controlled pulse width. The control signal controls the pulse width of the output pulse signal. | 07-03-2014 |
| 20140282204 | KEY INPUT METHOD AND APPARATUS USING RANDOM NUMBER IN VIRTUAL KEYBOARD - A method and an apparatus for key input by using a random number in a virtual keyboard in a portable terminal are provided. The method includes sending, to a server, a request for random number generation; receiving a random number generated in response to the request; displaying a virtual keyboard that activates keys corresponding to the received random number; and receiving, through the displayed virtual keyboard, an input of keys. | 09-18-2014 |
| 20140355370 | SEMICONDUCTOR SYSTEM AND SEMICONDUCTOR PACKAGE - A semiconductor system includes a plurality of memory chips. Each of the memory chips includes an oscillator suitable for generating a periodic wave in a self refresh mode, and a delay unit suitable for delaying the periodic wave to generate a refresh pulse and for setting a delay value based on a corresponding chip identification. | 12-04-2014 |
| 20140369109 | SEMICONDUCTOR MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME - A semiconductor memory device includes a plurality of word lines each of which are connected to a plurality of memory cells, a row control unit suitable for sequentially activating and precharging a word line corresponding to a target address and a predetermined (N) number of adjacent word lines during a target activation mode, and a mode exit control unit suitable for counting the number of activation operations by the row control unit during the target activation mode to determine whether or not to exit from the target activation mode. | 12-18-2014 |
| 20150120999 | MEMORY SYSTEM AND METHOD FOR OPERATING THE SAME - A memory system may include a memory including a cell array having a plurality of word lines and an address storage unit that stores an address in response to a capture command, wherein the memory sequentially refreshes the word lines in response to a refresh command at a set cycle, and refreshes a word line corresponding to the stored address in response to the refresh command when the address is stored in the address storage unit; and a memory controller transmitting the refresh command to the memory at the set cycle when a word line satisfying one or more of conditions that the number of activation times is equal to or more than a reference number and an activation frequency is equal to or more than a reference frequency is detected, and transmitting the capture command and an address of the detected word line to the memory. | 04-30-2015 |
| 20150145573 | PULSE SIGNAL GENERATION CIRCUIT AND OPERATING METHOD THEREOF - The present invention relates to a pulse signal generation circuit for changing a pulse width of an input pulse signal and outputting an output pulse signal having the changed pulse width. In an aspect, the pulse signal generation circuit may include a control signal generator configured to generate at least one control signal according to a pulse width of a input pulse signal and a pulse signal generator configured to control a pulse width of an input pulse signal in response to a control signal and to generate an output pulse signal with the controlled pulse width. The control signal controls the pulse width of the output pulse signal. | 05-28-2015 |
| 20150186093 | ELECTRONIC DEVICE AND OPERATING METHOD THEREOF - A method for controlling an electronic device electronically and functionally connectable to a cover is provided. The method includes detecting a position of the cover according to one of opening and closing of the cover and controlling one of a first display of the electronic device and a second display of the cover according to the detected position of the cover. | 07-02-2015 |
| 20150198970 | APPARATUS AND METHOD FOR GENERATING TIMING SIGNALS BASED ON PROCESSOR, AND CMOS IMAGE SENSOR USING THE SAME - A timing signal generation apparatus includes a timing signal generation module suitable for generating a timing signal based on a timing pattern, a timing pattern generation and control module suitable for generating the timing pattern and controlling the timing signal generation module, and an interface module suitable for signal interface with a neighboring device. | 07-16-2015 |
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| 20110050128 | MODULE FOR CONTROLLING LIGHT EMITTING DIODE CURRENT FOR SELECTIVE FEEDBACK, APPARATUS AND METHOD FOR DRIVING LIGHT EMITTING DIODES USING THE SAME - The present invention provides a module for controlling an LED current for selective feedback, an apparatus and a method for driving LEDs using the same. The module for controlling the LED current, which is connected to a plurality of LED channels receiving driving powers supplied from at least one DC/DC converter and controls currents of the LED channels through a constant current, the LED current controlling module includes: an operation mode selector for selecting an operation mode according to an inputted enable signal level; a channel divider for dividing a plurality of LED channels into at least one group according to the selected operation mode; and a minimum voltage selector for selecting an LED channel with a minimum voltage, obtained by comparing voltages detected from each of lower ends of the LED channels included in each of one or more divided groups. | 03-03-2011 |
| 20120033144 | ACTIVE MATRIX ORGANIC LIGHT-EMITTING DIODE DISPLAY AND METHOD OF CONTROLLING DISPLAY THEREOF - An Active Matrix Organic Light Emitting Diode (AMOLED) display and a method of controlling a display thereof are provided. The AMOLED display includes an input unit, a controller, a display unit for displaying a low power mode screen, by enabling the controller to turn off an AMOLED and to turn on a cholesteric Liquid Crystal Display (LCD) in a low power mode, and for displaying a high picture quality mode screen, by enabling the controller to turn on the AMOLED and to turn off the cholesteric LCD in a high picture quality mode. When used in an indoor environment, the AMOLED display can operate in the high picture quality mode, and when used in an outdoor environment or as an e-book reader, the AMOLED display can operate in the low power mode. | 02-09-2012 |
| 20120092509 | METHOD OF EXECUTING FAST ASSOCIATION FUNCTION OF CAMERA AND PORTABLE DEVICE INCLUDING THE SAME - A portable device and a method of executing the fast association function of a camera are provided. The method includes activating the camera, capturing a gathering image using the camera, activating a user function registered as an associated function of the camera when the gathering image is captured, and performing the registered user function based on the gathering image. | 04-19-2012 |
| 20150043250 | CIRCUIT FOR DRIVING POWER SWITCH, POWER SUPPLY APPARATUS AND METHOD FOR DRIVING POWER SWITCH - The present invention relates to a circuit for driving power switch, a power supply apparatus, and a method for driving a power switch. According to an embodiment of the present invention, a circuit for driving power switch, which includes a variable oscillator for varying a frequency according to a change in primary side input voltage to output a reference signal for duty control; and a duty control unit for receiving a feedback signal fed back from a secondary side output signal and the reference signal for duty control from the variable oscillator and outputting a duty control signal for driving a power switch, is provided. Further, a power supply apparatus and a method for driving a power switch are provided. | 02-12-2015 |
| 20150153992 | ACTIVE MATRIX ORGANIC LIGHT-EMITTING DIODE DISPLAY AND METHOD OF CONTROLLING DISPLAY THEREOF - An method and apparatus are provided. The method includes, at an apparatus, determining a display mode to present content, selecting, based at least in part on the display mode, a display from a display module comprising a plurality of stacked displays, operatively coupled with the apparatus, and presenting at least a part of the content via the display. | 06-04-2015 |
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| 20090051417 | Voltage Supply Insensitive Bias Circuits - A voltage-insensitive circuit includes a second circuit, and a biasing means for providing a constant bias current to the second circuit, the bias current being insensitive to power fluctuations of the voltage-insensitive circuit. | 02-26-2009 |
| 20090309656 | MULTIPLE OUTPUT POWER MODE AMPLIFIER - A multi-mode power amplifier and an electronic device including the amplifier are described. | 12-17-2009 |
| 20100327969 | POWER AMPLIFIER HAVING PARALLEL AMPLIFICATION STAGES AND ASSOCIATED IMPEDANCE MATCHING NETWORKS - An amplification device includes a series combination of a driver stage, an output terminal matching network, and a secondary amplification stage. The driver stage includes a driver amplifier and an output matching network. The secondary amplification stage includes a parallel combination of an impedance transformation network and a main amplification stage. The main amplification stage includes a plurality of main amplification branches in parallel with each other, and an input matching network in series with the parallel combination. Each main amplification branch includes a main amplifier, and input and output impedance matching networks. A control circuit supplies activation signals to the main amplification branches to selectively turn them on and off. The device has no switches in the path of the signal that is amplified. In at least one operating mode, the control circuit turns on at least two of the main amplification branches at the same time. | 12-30-2010 |
| 20140049322 | POWER AMPLIFIER - A power amplifier comprises a common source amplification stage and a first common gate amplification stage. The common source amplification stage includes a common source transistor for receiving a radio frequency (RF) input signal via a gate. The first common gate amplification stage is connected in cascode between a variable supply voltage source and the common source amplification stage, and amplifies an output of the common source amplification stage. The first common gate amplification stage includes a first common gate transistor, and a first gate bias controller configured to generate a first divided voltage based on a variable supply voltage of the variable supply voltage source, and to supply a first gate bias voltage generated by buffering the first divided voltage to a gate of the first common gate transistor. | 02-20-2014 |
| 20150091649 | PULSED DYNAMIC LOAD MODULATION POWER AMPLIFIER CIRCUIT - A power amplifier circuit for amplifying an envelope modulated Radio Frequency (RF) signal with improved linearity and efficiency includes a power amplifier, and a variable load matching circuit coupled to an output port of the power amplifier. The input impedance of the variable load matching circuit is changed such that an output power of the power amplifier is at a first output power level, or a second output power level which is higher than the first output power level. | 04-02-2015 |
| 20150214908 | POWER AMPLIFIER - A linearized power amplifier includes a first amplification stage having a first transistor for amplifying an input signal and outputting a pre-amplified signal, and a second amplification stage having a second transistor for amplifying the pre-amplified signal. A phase injection circuit, connected to the gate of the first transistor and the gate of the second transistor, adjusts the phase of the input signal based on the pre-amplified signal so as to compensate for AM-AM distortion and AM-PM distortion. | 07-30-2015 |
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| 20090029218 | Fabrication Method of Anode and Electrolyte in Solid Oxide Fuel Cell - The present invention relates to a fabrication method of a solid oxide fuel cell. The fabrication method of a fuel electrode and electrolyte of a solid oxide fuel cell (SOFC) in which a sheet cell including a fuel electrode sheet and an electrolyte sheet is positioned at an upper side of a surface of a fuel electrode pellet, includes the steps of (a) molding and heat-treating powder, in which a fuel electrode material is mixed with a pore forming agent, so as to prepare a fuel electrode pellet; (b) stacking the fuel electrode sheet containing the fuel electrode material and the electrolyte sheet containing an electrolyte material so as to prepare the sheet cell; and (c) coating an adhesive slurry containing the fuel electrode material on the sheet cell or the pellet and adhering the fuel electrode sheet of the sheet cell and the pellet and then heat-treating it. | 01-29-2009 |
| 20100138928 | APPARATUS AND METHOD FOR SHARING CONTENT BETWEEN DEVICES BY USING DOMAIN DRM - An apparatus for sharing content between devices by using a domain digital rights management (DRM) includes: a domain management unit for performing management of a domain within a specific area and registration of users and user devices; a user management unit for managing information about the users of the domain registered by the domain management unit; and a device management unit for managing domain clients of the domain registered by the domain management unit. The apparatus further includes a DRM management unit that has DRM information that supports the domain created through the domain management unit and update information about each DRM, and relays such that DRM content stored in each domain client is converted into domain DRM content and domain DRM license. | 06-03-2010 |
| 20100161781 | APPARATUS AND METHOD FOR DIGITAL HOME DOMAIN MANAGEMENT - An apparatus for digital home domain management includes a home domain server which manages in one user domain all user terminals within a home group and provides each user terminal with a domain license in contents; and a DRM coupler which provides the contents and domain licenses converted to conform to a DRM type loaded in user terminals if contents sharing is requested among user terminals loaded with different DRMs within the home group. | 06-24-2010 |
| 20100250439 | APPARATUS AND METHOD FOR PROTECTING CONTENTS STREAMED THROUGH RE-TRANSMISSION - An apparatus for protecting contents streamed through re-transmission, includes a content service site for servicing a content, managing end user and re-sender re-transmitting the content streamed from the content service site to another user, and issuing and managing a re-transmission license and a content license. The end user pays a charge to the content service site, receives an issued license from the content service site, and uses the content received from the re-sender through re-transmission. | 09-30-2010 |
| 20100329639 | APPARATUS AND METHOD FOR PROTECTING COPYRIGHT FOR MOTION PICTURE AND RECORD MEDIUM - Provided are an apparatus and method for processing motion picture and a record medium, which decompose a motion picture into unit frames and insert copyright information into the unit frames, enabling to determine the infringement of copyright when the motion picture is illegally circulated. The apparatus includes a processing unit, a merging unit and an output unit. The processing unit decomposes a motion picture into a plurality of unit frames, and generates a main frame, a sub-frame including copyright information for the motion picture and a degree frame which is paired with the sub-frame, based on the unit frames. The merging unit merges the sub-frame into the main frame according to a degree of mergence of the degree frame. The output unit continuously outputs the merged frames in time order. | 12-30-2010 |
| 20110029768 | METHOD FOR TRANSMITTING CONTENTS FOR CONTENTS MANAGEMENT TECHNOLOGY INTERWORKING, AND RECORDING MEDIUM FOR STORING PROGRAM THEREOF - A DRM technique interoperability system includes an exporter and an importer. The exporter cancels the DRM technique from the contents to which the DRM technique of a DRM device is applied to generate a contents stream, generates a plurality of packets from the contents stream, and transmits the packets to the importer. The importer receives a plurality of packets from the exporter, generates a contents stream from the plurality of packets, applies a DRM technique of a second DRM device to the contents stream, and provides it to the second DRM device. | 02-03-2011 |
| 20110249817 | METHOD OF MANAGING GROUP KEY FOR SECURE MULTICAST COMMUNICATION - A group key management method for secure multicast communication includes: creating a tree having a root node, internal nodes and leaf nodes to manage group keys of a receiver group by a group key management server; generating user keys of all nodes excluding the root node in the tree on the basis of Chinese Remainder Theorem; assigning the leaf nodes of the tree to users of the receiver group; and sending the user keys of the leaf nodes to the corresponding users for group key management. Further, the group key management method for secure multicast communication includes generating group keys of all non-leaf nodes; computing a solution of congruence equations based on the user key and group key by using Chinese Remainder Theorem for each non-leaf node; and multicasting a group key update message to each user of the respective leaf nodes. | 10-13-2011 |
| 20120151215 | APPARATUS AND METHOD FOR PROTECTING COPYRIGHT OF DIGITAL CONTENT, AND APPARATUS AND METHOD FOR DETERMINING AUTHENTICITY OF DIGITAL CONTENT - Provided are an apparatus and method for protecting the copyright of digital content, and an apparatus and method for determining the authenticity of digital content. The apparatus for protecting the copyright of digital content includes a creative commons license (CCL) watermark application unit configured to watermark digital content provided with | 06-14-2012 |
| 20120151598 | APPARATUS AND METHOD FOR FORENSIC MARKING OF DIGITAL CONTENT - Provided are an apparatus and method for forensic marking of digital content. The apparatus includes a forensic marker configured to generate first content by inserting a first binary forensic mark in original content and second content by inserting a second binary forensic mark in the original content, and when a content service request is generated, combine the first content and the second content on the basis of information about a user who has requested the content service and thereby generate third content in which a forensic mark corresponding to the user information is inserted, a content database configured to store the first and second content, and a transceiver configured to transmit the third content. | 06-14-2012 |
| 20120287919 | SYNCHRONIZATION APPARATUS AND METHOD IN WIRELESS NETWORK SYSTEMS - A node synchronization apparatus in a wireless network system sets a fast Fourier transform (FFT) start point and requests a one-hop neighbor node to change its transmission time. The synchronization apparatus sets a signal receiving time and requests a one-hop neighbor node to change a receiving time. In this way, a node synchronizes signal transmission and signal reception. | 11-15-2012 |
| 20130020726 | PACKAGE MODULE STRUCTURE FOR HIGH POWER DEVICE WITH METAL SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a package module structure of a high power device using a metal substrate that can improve reliability by minimizing stress due to a thermal expansion coefficient difference between a metal substrate and a semiconductor device includes: preparing a metal substrate; forming an oxide layer by selectively anodizing the metal substrate; forming a mounting groove for mounting a semiconductor device by etching a portion of the oxide layer; installing a shock-absorbing substrate that is made of a material having a thermal expansion coefficient in a range similar to a material of a semiconductor device to expose the entirety or a portion of a bottom portion of the mounting groove; mounting the semiconductor device in the shock-absorbing substrate exposed to the mounting groove; and electrically connecting an electrode terminal of the semiconductor device and an electrode line formed in an upper surface of the oxide layer. | 01-24-2013 |
| 20130132988 | SYSTEM AND METHOD FOR CONTENT RECOMMENDATION - Disclosed are a system and method for recommending contents. The content recommendation method includes: receiving audio data or a fingerprint and emotion information of the audio data; extracting a fingerprint and emotion information of the received audio data when the audio data is received; extracting video information corresponding to the fingerprint and emotion information of the audio data to provide the extracted video information to a user if video recommendation is requested; and extracting audio information corresponding to the fingerprint and emotion information of the audio data to provide the extracted audio information to the user if audio recommendation is requested. | 05-23-2013 |
| 20130138232 | APPARATUS AND METHOD FOR EXTRACTING HIGHLIGHT SECTION OF MUSIC - Disclosed are an apparatus and a method for extracting a highlight section of music. The apparatus for extracting a highlight section of music in accordance with the embodiment of the present invention includes a frame divider that divides an audio file into a plurality of frames having a predetermined sample length; an average energy signal calculator that calculates a signal representing the average magnitude of audio energy for a plurality of samples belonging to each frame for each frame of the plurality of frames; and a highlight section selector that extracts a low frequency signal from the signal representing the average audio energy magnitude for each frame and determines the highlight section from frame sections including maximum points of the low frequency signal. | 05-30-2013 |
| 20130138684 | METHOD AND APPARATUS FOR SEARCHING FOR RECOMMENDED MUSIC USING EMOTIONAL INFORMATION OF MUSIC - The present invention relates generally to a method and apparatus for searching for recommended music using the emotional information of music and, more particularly, to a method and apparatus that enable recommended music to be searched for using mixed emotions by extracting emotional values including a valence value and an arousal value from an input search condition when a predetermined search condition is input by a user, extracting an emotion rank combination corresponding to the extracted emotional value information using an emotion model that includes mixed emotions corresponding to the emotional values, searching a music emotion DB for music information corresponding to the emotion rank combination, and outputting a recommended music list based on the results of the search, thus improving the user's satisfaction with the results of the search. | 05-30-2013 |
| 20130142433 | SYSTEM AND METHOD FOR FINGERPRINTING FOR COMICS - The present disclosure relates to a system and a method for finger printing for comics. A system for searching comics according to the present disclosure includes: a fingerprint database storing fingerprints extracted from comics, a comics fingerprint extraction unit extracting fingerprints configured of at least one of box frames, cuts, and speech bubbles included in input comic images, a fingerprint based candidate group search unit searching candidate groups among comics stored in the fingerprint database using the extracted fingerprints, and a similarity measuring unit measuring similarity between the searched candidate groups and the comic images corresponding to the extracted fingerprints. | 06-06-2013 |
| 20130250775 | METHOD OF FREQUENCY SYNCHRONIZATION IN DISTRIBUTED NETWORK - A method and apparatus for synchronizing a carrier frequency of a node included in a distributed network are provided. The apparatus includes a frequency offset estimating unit, an offset average value calculating unit, and a frequency adjustment value calculating unit. The method includes receiving preambles from a plurality of nodes adjacent to the node, estimating offsets of the carrier frequencies from the received preambles for each of the plurality of neighbor nodes, calculating an average value of the estimated offsets, calculating an adjustment value of the carrier frequencies with respect to the entirety of the plurality of neighbor nodes by using the average value, and adjusting a carrier frequency of the node on the basis of the adjustment value. | 09-26-2013 |
| 20130290330 | METHOD FOR EXTRACTING FINGERPRINT OF PUBLICATION, APPARATUS FOR EXTRACTING FINGERPRINT OF PUBLICATION, SYSTEM FOR IDENTIFYING PUBLICATION USING FINGERPRINT, AND METHOD FOR IDENTIFYING PUBLICATION USING FINGERPRINT - Disclosed are a method and an apparatus for extracting a fingerprint of a publication. And disclosed are a system and a method for identifying a publication using a fingerprint. The system for identifying the publication using the fingerprint includes: a fingerprint extraction unit for extracting fingerprints for collected query publications to identify the copyrights infringement; a fingerprint query unit for querying fingerprints of original publications corresponding from the fingerprint extraction unit; a DBMS for storing the fingerprints extracted from the original publications and additional information from the original publications, and providing a search result candidate group which is composed of fingerprints of at least one of the original publications corresponding to the queries of the fingerprint query unit; and a candidate group verification unit for determining copyright infringement for the query publications by verifying the search result candidate group provided from the DBMS. | 10-31-2013 |
| 20140016789 | APPARATUS AND METHOD FOR MEASURING QUALITY OF AUDIO - Disclosed herein is an apparatus and method for measuring quality of audio. The apparatus includes a distorted signal generation unit, an extraction unit, a distortion level measurement unit, a distortion function generation unit, and a search and measurement unit. The distorted signal generation unit generates a plurality of distorted signals with respect to audio in compliance. The extraction unit extracts a fingerprint and AV information corresponding to the audio and fingerprints and AV information corresponding to the plurality of distorted signals. The distortion level measurement unit measures fingerprint distance differences, and arousal and valence (AV) distance differences. The distortion function generation unit generates a fingerprint distortion function and an AV distortion function. The search and measurement unit measures the quality of the audio by extracting a fingerprint and AV information from query audio and then comparing extraction results with the fingerprint distortion function or AV distortion function. | 01-16-2014 |
| 20140104999 | COMMUNICATION APPARATUS AND DATA TRANSMISSION METHOD THEREOF - A communication apparatus and a data transmission method of the communication apparatus are disclosed. The communication apparatus receives feedback messages corresponding to failed data from receivers, generates a feedback matrix in response to the feedback messages, selects transmission candidate data from the feedback matrix, performs network coding on the transmission candidate data, and transmits retransmission data generated by the network coding to the receivers. Transmission candidate data is selected from the feedback matrix, and network coding is performed on the transmission candidate data to retransmit data to the receivers. | 04-17-2014 |
| 20140133413 | METHOD AND APPARATUS FOR DESIGNING SIGNALS TO MITIGATE SUBCARRIER INTERFERENCE - In order to reduce interference that may be generated when a plurality of signals having different subcarrier intervals are received, a method of controlling a signal having a larger subcarrier interval to be suitable for a signal having a smaller subcarrier interval and a method of removing CFO interference are provided. Subcarrier intervals of a plurality of signals to be transmitted by wireless terminals are compared with each other, and signals are designed so that a signal having the largest subcarrier interval may be repeatedly transmitted. Therefore, interference that may be generated among different kinds of signals when the base station simultaneously receives the different kinds of signals to perform Fourier transform may be mitigated. In addition, interference caused by a CFO may be removed by previously compensating the CFO estimated in a time domain to perform Fourier transform. | 05-15-2014 |
| 20140185592 | METHOD AND APPARATUS FOR CORRECTING REFERENCE TIME FOR DISTRIBUTED TIME SYNCHRONIZATION - In a wireless communication system formed of a plurality of nodes, an arbitrary node receives messages broadcasted from neighbor nodes and calculates amounts of changes in receiving times that are differences between receiving times when the messages are currently received and receiving times when the messages are previously received with respect to the neighbor nodes. The node corrects reference time thereof based on the amounts of changes calculated with respect to the neighbor nodes. | 07-03-2014 |
| 20140293830 | METHOD AND APPARATUS FOR EXCHANGING NETWORK CODING-BASED INFORMATION - An information exchange apparatus of each node for sharing information between a plurality of nodes receives request information from an adjacent node and determines an information transmitting node based on information that each node holds and request information from the adjacent node, and an information exchange apparatus of a node that is determined to be an information transmitting node generates candidate transmitting information by performing network coding of at least one information set of held information, determines one of candidate transmitting information sets as transmitting information, and transmits the candidate transmitting information set to the adjacent node. | 10-02-2014 |
| 20150115199 | POLYMERIZABLE LIQUID CRYSTAL COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, AND OPTICALLY ANISOTROPIC BODY - The present description relates to a polymerizable liquid crystal compound, a polymerizable liquid crystal composition including the same, and an optically anisotropic body. The polymerizable liquid crystal compound includes a radical derived from the first liquid crystal molecule including a mesogen group having a non-aromatic ring; a radical derived from the second liquid crystal molecule including a mesogen group that has a structure different from said mesogen group having a non-aromatic ring and includes a ring containing a double bond; and a linker that has a specific structure and links the sp3-hybridized carbon in the non-aromatic ring of the radical derived from the first liquid crystal molecule and the sp2-hybridized carbon in the mesogen group of the radical derived from the second liquid crystal molecule, wherein at least one of the radicals derived from the first and the second liquid crystal molecules may include one or more polymerizable groups which are connected to the mesogen group directly or via spacer groups. Such polymerizable liquid crystal compound makes it possible to exhibit stable reverse wavelength dispersion solely or by being mixed with other liquid crystal materials. | 04-30-2015 |
| 20150154656 | SYSTEM AND METHOD FOR PROVIDING ADDITIONAL INFORMATION OF ADVERTISEMENT - Provided is an advertisement service system for providing additional information regarding an item as an advertisement target. The system for providing additional information of an advertisement includes an original advertisement server configured to provide original advertisement content and identification information regarding the original advertisement content, and a processing server configured to generate processed advertisement content by inserting the identification information into the original advertisement content, extract feature information with respect to the original advertisement content, and store at least one of the identification information and the feature information, together with additional information with respect to the original advertisement content. | 06-04-2015 |
| 20150278605 | APPARATUS AND METHOD FOR MANAGING REPRESENTATIVE VIDEO IMAGES - An apparatus and method for managing a representative video image, which selects representative images based on human visual aesthetic criteria and creates an album by arranging the selected representative images in an album template with various layouts, based on the region of interest (ROI). | 10-01-2015 |
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| 20090013415 | SEMICONDUCTOR DEVICE AND METHOD FOR DETECTING ABNORMAL OPERATION - A semiconductor device includes a pull-up unit pulling up a voltage of an output node to a first voltage in response to a control signal, a photo sensing unit pulling down a voltage of the output node to a second voltage in response to an incident light, and a CPU, the CPU reset in response to the voltage of the output node produced in response to the incident light. | 01-08-2009 |
| 20100153811 | METHOD FOR DECODING USING DYNAMIC SCHEDULING SCHEME FOR LOW DENSITY PARITY CHECK CODES AND APPARATUS THEREOF - Disclosed is a decoding method and device for low density parity check codes using dynamic scheduling. The low density parity check codes are sequentially decoded, and the messages are scheduled in the descending order of the difference between values before and after updating the message transmitted from the variable node to the check node. | 06-17-2010 |
| 20100174888 | Memory System - A memory system includes a storage device storing a plurality of instructions and a central processing unit processing an instruction fetched from the storage device, wherein the central processing unit detects a change in the instruction fetched from the storage device while processing the instruction. | 07-08-2010 |
| 20110189964 | METHOD AND APPARATUS FOR PROVIDING IMPEDANCE MATCHING FOR HIGH-FREQUENCY SIGNAL TRANSMITTER - In accordance with another representative embodiment, a high-frequency signal transmitter a power amplifier configured to supply a high-frequency signal; an antenna configured to transmit the high-frequency signal; a transmission line configured to transfer the high-frequency signal from the power amplifier to the antenna; and an impedance matching circuit connected to the transmission line. The high-frequency signal transmitter also comprises a mismatch detector. The mismatch detector is configured to designate a comparatively poor linearity region and a comparatively good linearity region by dividing a Smith chart into the two regions based on Adjacent Channel Power Ratio (ACPR) contours drawn on the Smith chart at a point on the transmission line where the impedance matching circuit is connected, to measure a time-dependent reflection coefficient of the high-frequency signal transmitter in terms of a phase and a magnitude, to determine whether the reflection coefficient is located in the comparatively poor linearity region or the comparatively good linearity region, and based on a result of the determination, to improve the linearity of the high-frequency signal transmitter. | 08-04-2011 |
| 20110234316 | IMPEDANCE MATCHING CIRCUIT CAPABLE OF EFFICIENTLY ISOLATING PATHS FOR MULTI-BAND POWER AMPLIFIER - In accordance with a representative embodiment, an impedance matching circuit for use at an output stage of a power amplifier is disclosed. The impedance matching circuit comprises: an input port for receiving a frequency band signal; and a plurality of paths, each path being allocated with a principal band signal to be transmitted therethrough and including a path on-off network and a fixed-value impedance matching network. Depending on a type of the received frequency band signal, the path on-off network is configured to activate a selected one of the plurality of paths by rendering an input impedance of the selected path to have a lower absolute magnitude so that the signal is transmitted therethrough, and to deactivate the remaining paths of the plurality of paths by rendering the input impedance thereof to have a higher absolute magnitude so that the signal is not transmitted therethrough. The fixed-value impedance matching network matches a load impedance of the output port of each path to the input impedance thereof, thereby rendering the input impedance thereof to have a prescribed reference value with respect to the principal band signal when said path is activated by the path on-off network. | 09-29-2011 |
| 20120117645 | DETECTION CIRCUIT, DETECTION METHOD THEREOF, AND MEMORY SYSTEM INCLUDING THE DETECTION CIRCUIT - A detection circuit, including a sensing circuit configured to sense whether there is an external attack and generate second data from first data, a data conversion circuit configured to convert the first data to third data, and a comparator configured to compare the second data with the third data. | 05-10-2012 |
| 20130213300 | SEMICONDUCTOR MANUFACTURING APPARATUS - Disclosed is a semiconductor manufacturing apparatus including at least one pocket on which a passive subject on which deposition will be executed is mounted, and a carrier body having an insertion space to which the at least one pocket is detachably attached. Therefore, the semiconductor manufacturing apparatus shortens process time and reduces process expenses. The semiconductor manufacturing apparatus allows respective pockets to have different structures according to the positions of the pockets on the wafer carrier, and thus achieves uniform growth of a material on the surfaces of wafers regardless of the positions of the pockets. | 08-22-2013 |
| 20130258683 | LIGHT-EMITTING MODULE - A light-emitting module includes a printed circuit board (PCB) and a light emitting package. A hole is formed through the PCB. The light emitting package has a light source and a lead, and is disposed on the PCB. The light emitting package has a stepped portion having predetermined height. The stepped portion is disposed in the hole formed through the PCB. Thus, a thickness of the light-emitting module may be decreased, reliability of the light-emitting module may be enhanced, and thus a thickness and a bezel of a display apparatus may be decreased. | 10-03-2013 |
| 20130316030 | PHARMACEUTICAL COMPOSITION FOR PREVENTING AND TREATING COMPLICATIONS OF DIABETES CONTAINING A TRADITIONAL ORIENTAL MEDICINE EXTRACT OR A FRACTION THEREOF AS AN ACTIVE INGREDIENT - The present invention relates to a pharmaceutical composition for the prevention and treatment of diabetic complications comprising the extract of | 11-28-2013 |
| 20140343295 | NOVEL 6-PYRAZOLYLAMIDO-3-SUBSTITUTED AZABICYCLO[3.1.0]HEXANE COMPOUNDS AS CALCIUM CHANNEL INHIBITORS - The present invention relates to a 6-pyrazolylamido-3-substituted azabicyclo[3.1.0]hexane derivatives useful as calcium channel blockers, pharmaceutically acceptable salts thereof and medical use of the calcium channel inhibiting effect of the compounds for treatment of diseases. | 11-20-2014 |
| 20150021511 | ORGANIC/INORGANIC NANOCOMPOSITE CAPABLE OF ADSORPTION/DESORPTION OF METAL IONS, AND PREPARATION METHOD THEREOF - The present invention relates to an organic-inorganic nanocomposite comprising a polymer having temperature dependent volume phase transition characteristics, and magnetic particles embedded in the polymer, and a preparation method thereof. The present invention induces more rapid adsorption and desorption of metal ions and can effectively recover the used organic-inorganic nanocomposite. | 01-22-2015 |
| 20150023057 | DISPLAY DEVICE - A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices. | 01-22-2015 |
| 20150053893 | Method for Preparing Conductive Polymer Solution and Conductive Polymer Film - The present invention relates to a method for preparing a conductive polymer solution and a conductive polymer film, which may increase the doping ratio of a conductive polymer solution and remove ions which have not been removed after the reaction in the conductive polymer solution, unreacted monomers, unreacted oligomers, and polymer electrolytes in excess, through a simple process, and may increase the electrical conductivity of a film prepared by using the conductive polymer through this. | 02-26-2015 |
| 20150161401 | PROCESSOR HAVING A VARIABLE PIPELINE, AND SYSTEM-ON-CHIP - A processor includes a security level determining unit and a variable pipeline. The security level determining unit determines a security level of first data to be processed by the processor. The variable pipeline receives the first data, generates original data by performing a decryption operation on the first data during a total number of one or more clock cycles corresponding to the security level determined by the security level determining unit, and processes the original data. | 06-11-2015 |
| 20150206507 | DISPLAY DEVICE - A display device includes a display panel which displays an image corresponding to input image data and is divided into a display blocks, a light source module which includes a light source blocks respectively corresponding to the display blocks, each of the light source blocks including a first light source which emits light of a first color, and a second light source which emits light of a combination of second and third colors, a dimming controller which outputs a dimming signal, a light source module driver which drives each of the light source blocks based on the dimming signal, where the dimming controller detects block image data corresponding to each of the display blocks from the image data, calculates color data based on the block image data, and provides a first dimming signal and a second dimming signal to the light source module driver. | 07-23-2015 |
| 20150269894 | DISPLAY DEVICE - A display device includes a display panel configured to display an image corresponding to image data input thereto and be divided into a plurality of display blocks, a backlight unit configured to supply light to the display panel and including a light guide panel and a main light source module which supplies light to the light guide panel, and a luminance boosting unit configured to supply boosted light to the plurality of display blocks based on the image data and including a plurality of light source modules arranged to correspond to the plurality of display blocks, respectively. | 09-24-2015 |
| 20150280207 | METHOD OF PREPARING GRAPHENE-GRAPHENE FUSED MATERIAL AND METHOD OF PREPARING GRAPHENE-SUBSTRATE COMPOSITE USING THE SAME - The present invention relates to a method of preparing a graphene-substrate composite using a graphene-graphene fused material. The method of preparing a graphene-substrate composite includes (a) forming a nano graphene-metal fused material comprised of nano-graphene and nano metal, (b) thermally treating the plurality of nano graphene-metal fused materials at a temperature higher than a melting point of the nano metal to connect the plurality of nano graphene-metal fused materials to each other by a melting bonding of the nano metal to form a graphene-graphene fused material, (c) pulverizing the graphene-graphene fused material to form a graphene-graphene fused material powder, and (d) dispersing the graphene-graphene fused material powder in a substrate to form a graphene-substrate composite. | 10-01-2015 |
| 20150329533 | COMPOUNDS CAPABLE OF INHIBITING VOLTAGE GATED CALCIUM ION CHANNEL, AND PHARMACEUTICAL COMPOSITIONS COMPRISING THE SAME - Disclosed herein are an N-(pyrazolylmethyl)arylsulfonamide derivative useful as a calcium ion channel blocker, a pharmaceutically acceptable salt thereof, and the medicinal use thereof as a therapeutic agent using its calcium ion channel blocking effect. | 11-19-2015 |
| 20150340160 | SELF-RECHARGEABLE HYBRID BATTERY AND ELECTRONIC DEVICE COMPRISING THE SAME - The present invention relates to a self-rechargeable hybrid battery and an electronic device including the same. Since the self-rechargeable hybrid battery includes a solar cell and a capacitor which is charged by current output from the solar cell, the charging efficiency of energy output from a solar cell may be increased in an eco-friendly manner, and the self-rechargeable hybrid battery includes electrodes having high transparency, electrical conductivity and interfacial capacitance, and thus may be applied to a transparent device. | 11-26-2015 |
| 20150343005 | PHARMACEUTICAL COMPOSITION AND FUNCTIONAL FOOD COMPRISING NATURAL EXTRACTS FOR PREVENTING OR TREATING DIABETIC COMPLICATIONS OR ANGIODEMA - The present invention relates to a pharmaceutical composition and a health functional food composition for prevention, treatment or amelioration of diabetic complications or angioedema containing a mixed extract of | 12-03-2015 |
| 20150370287 | FLEXIBLE DEVICE AND FOLDING UNIT THEREOF - A flexible device in which a display is folded is provided. The flexible device includes a main body, a flexible display fixed to a first surface of the main body, and a cover coupled to the main body to face a second surface of the main body, wherein the second surface of the main body is opposite to the first surface of the main body, such that when the main body is curved or folded, the cover moves with respect to the second surface of the main body to compensate for a difference in elongation, which is generated when the main body is curved or folded. | 12-24-2015 |
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| 20100002023 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - An organic light emitting display device and a driving method thereof. The organic light emitting display device includes: a display panel having scan lines, data lines and pixels; a data driver for applying correction data to the data lines; a buffer memory for storing data inputted to the pixels coupled to the scan lines; and a correction operation unit for determining a luminance degree for the pixels coupled to each of the scan lines based on the data and generating a data correction value in accordance with the luminance degree, and for providing to the data driver the correction data generated by adding/subtracting the data correction value to/from the data in accordance with positions of the pixels coupled to each of the scan lines. | 01-07-2010 |
| 20110297937 | THIN FILM TRANSISTOR WITH OFFSET STRUCTURE - A thin film transistor (TFT) having an offset structure is disclosed. The TFT maintains a sufficiently low “off” current and a sufficiently high “on” current. The TFT includes an active region. The active region includes a gate electrode; an active layer that overlaps with the gate electrode; a gate insulating layer between the gate electrode and the active layer; and a source/drain electrode layer including source/drain electrodes that are electrically connected to the active region. Some of the source/drain electrodes overlap partially with the gate electrode. Other of the source/drain electrodes are offset from the gate electrode. The source/drain electrodes and the gate electrode are in a symmetrical arrangement. | 12-08-2011 |
| 20120097948 | THIN FILM TRANSISTOR - A thin film transistor includes a substrate, a gate electrode on the substrate, a gate insulating layer covering the gate electrode, a first semiconductor layer and a second semiconductor layer overlapping the gate electrode on the gate insulating layer and separated from each other, a first source electrode and a first drain electrode on the first semiconductor layer and on opposite sides of the gate electrode, and a second source electrode and a second drain electrode on the second semiconductor layer and on opposite sides of the gate electrode, wherein the first source electrode is coupled to the second source electrode through a source connection overlapping the gate electrode, and the first drain electrode is coupled to the second drain electrode, such that the on current and off current characteristics of the thin film transistor may be constantly maintained regardless of alignment error. | 04-26-2012 |
| 20140198468 | FLAT PANEL DISPLAY DEVICE - Provided is a flat panel display device. The flat panel display device includes a board unit having a board surface, and a display unit facing the board unit, the display unit having a second surface facing the board surface and a first surface opposite to the second surface and for allowing an image to be displayed thereon, wherein the display unit transmits external light through the first surface and the second surface, to allow the board surface to be seen through the first surface of the display unit. | 07-17-2014 |
| 20140267953 | TOUCH SCREEN PANEL AND METHOD OF MANUFACTURING THE SAME - In a method of manufacturing a touch screen panel, first sensing electrodes are formed in an active area of a substrate and are connected in a first direction, and second sensing electrodes are connected in a second direction that intersects the first direction. The method includes forming outside wiring lines for connecting the first and second sensing electrodes to an external driving circuit in units of lines in a non-active area positioned outside an active area of the substrate, forming bridge patterns for electrically connecting the first sensing electrodes in the active area of the substrate, forming insulating layer patterns for insulating the second sensing electrodes and the bridge patterns from each other on the bridge patterns, and forming the first and second sensing electrodes on the substrate where the outside wiring lines, the bridge patterns, and the insulating layer patterns are formed. | 09-18-2014 |
| 20150022773 | EYEGLASSES INCLUDING TRANSPARENT DISPLAY AND CONTROLLING METHOD THEREOF - Exemplary embodiments of the present invention relate to eyeglasses that have a transparent display and a controlling method thereof. The eyeglasses that have a transparent display include a lens unit, a frame unit coupled with the lens unit, and a pair of leg units connected to respective sides of the frame unit, wherein each of the lens unit and the frame unit comprises a transparent display. | 01-22-2015 |
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| 20110204963 | SEMICONDUCTOR DEVICE - A semiconductor device is provided, including a charge-pumping unit configured to charge-pump power voltage in every period of a pumping clock to generate pumping voltage, a first voltage level detection unit configured to detect a maximum voltage level of the generated pumping voltage, a second voltage level detection unit configured to detect a minimum voltage level of the generated pumping voltage, and a pumping clock generating unit configured to generate the pumping clock, the pumping clock having a frequency that is adjusted in response to an output signal of the first and the second voltage level detection units. | 08-25-2011 |
| 20120200770 | SOURCE DRIVER, CONTROLLER, AND METHOD FOR DRIVING SOURCE DRIVER - A source driver, a controller, and a method for driving a source drive are provided. The source driver includes a controller configured to receive a start pulse signal, and generate and output one of a new start pulse signal if the start pulse signal is received, and an internal start pulse signal if the start pulse signal is not received, a shift register configured to receive video data, store the video data, and output the video data if the outputted start pulse signal is received by the shift register, a digital-to-analog converter (DAC) configured to convert the video data output from the shift register into an analog voltage signal, and output the analog voltage signal, and an output buffer configured to buffer the analog voltage signal output from the DAC, and output the buffered analog voltage signal. | 08-09-2012 |
| 20130285702 | BUFFERING CIRCUIT, SEMICONDUCTOR DEVICE HAVING THE SAME, AND METHODS THEREOF - A multipoint low-voltage differential signaling (mLVDS)receiver of a semiconductor device and a buffering circuit of a semiconductor device, includes: an even-number data buffering unit configured to: sample even-number data from input data, amplify and output the even-number data in a section in which a positive clock is activated, and latch the even-number data in a section in which the positive clock is inactivated, and an odd-number data buffering unit configured to: sample odd-number data from the input data, amplify and output the odd-number data in a section in which a negative clock is activated, and latch the odd-number data in a section in which the negative clock is inactivated. | 10-31-2013 |
| 20140347106 | DELAY-LOCKED LOOP (DLL) OPERATION MODE CONTROLLER CIRCUIT AND METHOD FOR CONTROLLING THEREOF - A delay-locked loop (DLL) operation mode control circuit and corresponding method are provided in which one of the output values from a display driver IC (DDI) is detected to switch a DLL block to standby mode. In examples, a CLKP/N frequency and CLKP/N common terminal voltage status are used to switch mode. Accordingly, since inoperable frequency domains otherwise present in a normal mode interval of the DLL block is included into standby mode, more stable operation of the DLL circuit is provided. | 11-27-2014 |
| 20140347107 | DELAY-LOCKED LOOP (DLL) CIRCUIT APPARATUS AND METHOD FOR LOCKING THEREOF - A DLL circuit apparatus and a DLL locking method are provided. A control signal voltage value corresponding to a DLL locking state is stored, and a DLL unlocking state is detected when a change in control signal voltage value or a phase difference of clock signals occurs. When the DLL unlocking occurs, the DLL is locked again using the stored control signal voltage value. Accordingly, DLL unlocking from DLL locking state is quickly detected, and a fast DLL locking time occurs. | 11-27-2014 |
