Patent application number | Description | Published |
20090237643 | Laser Doppler Velocity System for Variable Beam Focusing - Disclosed is a laser doppler velocity system that can easily change a focal length of laser beam, in order to measure the velocity of fluid. As the fluid lens is used in order to focus the laser beam, the lens aperture is rapidly and accurately changed at a low power to easily measure the flow-velocity and shear stress of the boundary layer of the structure within the flow field. As the optical array including the fluid lens is integrated using a diode laser as a laser light source, the laser doppler velocity system can be made in small-size. Also, as the laser doppler velocity system is inserted into the surface of the structure, it can be used as a surface flow field measurement sensor. | 09-24-2009 |
20100140522 | Separable Ball Valve Apparatus and Ball Valve Assembly - A separable ball valve apparatus and ball valve assembly capable of selectively opening/closing a separable flow path are provided. The separable ball valve apparatus comprises a separable pipe member having a flow path through which fluid flows, a ball member having at least two balls disposed in the pipe member, opening and closing the flow path, and adjacent to each other, and an opening/closing member configured to control the ball member to open/close the flow path, wherein the balls have through-holes, respectively, and the opening/closing member includes a gear train configured to control the opening/closing of the at least two balls. Therefore, it is possible to simply open/close pipes having the flow path and detachably attach the pipes, increase space utilization due to removal of a separate coupling space for attachment/detachment of the pipes, and simultaneously open/close the two pipes, which are separated from each other through one operation. | 06-10-2010 |
20100226470 | DIRECT VESSEL INJECTION (DVI) NOZZLE FOR MINIMUM EMERGENCY CORE COOLING (ECC) WATER BYPASS - A direct vessel injection (DVI) nozzle for minimum emergency core coolant (ECC) bypass is disclosed. The DVI nozzle is used in a pressurized light water reactor (PLWR) having a reactor vessel with a reactor coolant system in which a coolant flows into the reactor vessel through a cold leg and passes through a reactor core prior to being discharged to the outside of the reactor vessel through a hot leg. The DVI nozzle, provided to directly inject ECC into the reactor vessel to cool the reactor core during a break in the reactor coolant system, such as a cold leg break (CLB) that may occur in the PLWR, is placed on the reactor vessel at a position horizontally offset from the central axis of the hot leg at an angle of 10° to 30° and is involved within a region defined above the central axis of the hot leg by a distance of 1.5 times the sum of diameters of the hot leg and the DVI nozzle. Thus, the DVI nozzle efficiently injects ECC, and remarkably reduces the direct ECC bypass fraction to a broken cold leg and minimizes the amount of direct ECC bypass. | 09-09-2010 |
20120263268 | PASSIVE HIGH PRESSURE SAFETY INJECTION TANK SYSTEM (HPSIT) FOR RESPONDING TO STATION BLACKOUT (SBO) AND LOSS-OF-COOLANT ACCIDENTS (LOCA) - A high pressure safety injection tank (HPSIT) system includes one safety injection tank (HIT) which replaces a core makeup tank (CMT) and a low pressure (approximately 4.3 Mpa or below) safety injection tank (SIT) and which can shift to and operate on a high pressure (approximately 17 Mpa) operation mode, to enable injection of emergency core coolant into a reactor system both under low pressure (approximately 4.3 Mpa or below) and high pressure (approximately 17 Mpa). | 10-18-2012 |
20130202075 | WATER-SPRAY RESIDUAL HEAT REMOVAL SYSTEM FOR NUCLEAR POWER PLANT - A residual heat removal system for a nuclear power plant. The residual heat removal system for a nuclear power plant may include an air duct provided on an outside of a reactor containment building, a heat exchanger disposed on an inside of the air duct, a first pipe to transfer, to the heat exchanger, steam generated in a steam generator disposed on an inside of the reactor containment building, and second pipe to transfer, to the steam generator, water condensation that is cooled and condensed in the heat exchanger, wherein the heat exchanger is air-cooled using outside air flowing inside of the air duct. | 08-08-2013 |
Patent application number | Description | Published |
20120136659 | APPARATUS AND METHOD FOR PREPROCESSING SPEECH SIGNALS - Disclosed herein are an apparatus and method for preprocessing speech signals to perform speech recognition. The apparatus includes a voiced sound interval detection unit, a preprocessing method determination unit, and a clipping signal processing unit. The voiced sound interval detection unit detects a voiced sound interval including a voiced sound signal in a voice interval. The preprocessing method determination unit detects a clipping signal present in the voiced sound interval. The clipping signal processing unit extracts signal samples adjacent to the clipping signal, and performs interpolation on the clipping signal using the adjacent signal samples. | 05-31-2012 |
20120150539 | METHOD FOR ESTIMATING LANGUAGE MODEL WEIGHT AND SYSTEM FOR THE SAME - Method of the present invention may include receiving speech feature vector converted from speech signal, performing first search by applying first language model to the received speech feature vector, and outputting word lattice and first acoustic score of the word lattice as continuous speech recognition result, outputting second acoustic score as phoneme recognition result by applying an acoustic model to the speech feature vector, comparing the first acoustic score of the continuous speech recognition result with the second acoustic score of the phoneme recognition result, outputting first language model weight when the first coustic score of the continuous speech recognition result is better than the second acoustic score of the phoneme recognition result and performing a second search by applying a second language model weight, which is the same as the output first language model, to the word lattice. | 06-14-2012 |
20130297314 | RESCORING METHOD AND APPARATUS IN DISTRIBUTED ENVIRONMENT - Disclosed are a distributed environment rescoring method and apparatus. A distributed environment rescoring method in accordance with the present invention includes generating a word lattice by performing voice recognition on received voice, converting the word lattice into a word confusion network formed from the temporal connection of confusion sets clustered based on temporal redundancy and phoneme similarities, generating a list of subword confusion networks based on the entropy values of the respective confusion sets included in the word confusion network, and generating a modified word confusion network by modifying a list of the subword confusion networks through distributed environment rescoring. | 11-07-2013 |
20140163986 | VOICE-BASED CAPTCHA METHOD AND APPARATUS - Disclosed herein is a voice-based CAPTCHA method and apparatus which can perform a CAPTCHA procedure using the voice of a human being. In the voice-based CAPTCHA) method, a plurality of uttered sounds of a user are collected. A start point and an end point of a voice from each of the collected uttered sounds are detected and then speech sections are detected. Uttered sounds of the respective detected speech sections are compared with reference uttered sounds, and then it is determined whether the uttered sounds are correctly uttered sounds. It is determined whether the uttered sounds have been made by an identical speaker if it is determined that the uttered sounds are correctly uttered sounds. Accordingly, a CAPTCHA procedure is performed using the voice of a human being, and thus it can be easily checked whether a human being has personally made a response using a voice online | 06-12-2014 |
20140221043 | MOBILE COMMUNICATION TERMINAL AND OPERATING METHOD THEREOF - Provided is a mobile communication terminal including: a camera module which captures an image of a set area; a microphone module which, when a sound including a voice of a user is input, extracts a sound level corresponding to the sound and a sound generating position; and a control module which estimates a position of a lip of the user from the image, extracts a voice level from the sound level corresponding to the position of the lip of the user and a voice generating position from the sound generating position, and recognizes the voice of the user based on at least one of the voice level and the voice generating position. | 08-07-2014 |
Patent application number | Description | Published |
20090203095 | NOVEL ENGINEERED MICROORGANISM PRODUCING HOMO-SUCCINIC ACID AND METHOD FOR PREPARING SUCCINIC ACID USING THE SAME - The present invention relates to a mutant microorganism, which is selected from the group consisting of genus | 08-13-2009 |
20100159544 | HOMO-SUCCINIC ACID PRODUCING MICROORGANISM VARIANT AND PROCESS FOR PREPARING SUCCINIC ACID USING THE SAME - The present invention relates to microbial variants producing homo-succinic acid at high yields and a method for producing homo-succinic acid using the same, more particularly, to a microbial variant constructed by disrupting a lactate dehydro-genase-encoding gene (idhA) and an acetate kinase-encoding gene (ackA), as well as a method for producing homo-succinic acid at high concentration, which comprises culturing such variants using glucose as a carbon source in anaerobic conditions. | 06-24-2010 |
20110269183 | RECOMBINANT MICROORGANISM HAVING AN ABILITY OF USING SUCROSE AS A CARBON SOURCE - The present invention relates to a recombinant microorganism capable of metabolizing sucrose, and more particularly to a recombinant microorganism capable of metabolizing sucrose in which a gene encoding sucrose phosphotransferase and/or a gene encoding sucrose-6-phosphate hydrolase is introduced or to a recombinant microorganism capable of metabolizing sucrose in which a gene encoding β-fructofuranosidase is introduced. According to the present invention, a recombinant microorganism capable of using inexpensive sucrose as a carbon source instead of expensive glucose is provided. In addition, in a process of culturing microorganisms which have been incapable of using sucrose as a carbon source, sucrose can substitute for other carbon sources including glucose. | 11-03-2011 |
20120301936 | RECOMBINANT MUTANT MICROORGANISMS HAVING INCREASED ABILITY TO PRODUCE ALCOHOLS AND METHOD OF PRODUCING ALCOHOLS USING THE SAME - The present invention relates to recombinant mutant microorganisms having an increased ability to produce alcohol and a method of producing alcohol using the same, and more particularly to recombinant mutant microorganisms which have an increased ability to produce butanol, ethanol, isopropanol or mixed alcohols, which can be used as fuel, while producing little or no producing acetone as a byproduct, and to a method of producing butanol, ethanol, isopropanol or mixed alcohols using the same. The inventive recombinant mutant microorganisms having an increased ability to produce butanol or mixed alcohols and to remove acetone are those in which genes that encode enzymes involved in producing butanol from butyryl-CoA or butylaldehyde and in producing isopropanol from acetone were amplified or introduced in host microorganisms. The recombinant mutant microorganisms produce little or no byproducts such as acetone and can have an increased ability to produce alcohols, as a result of manipulating metabolic pathways. Thus, the recombinant mutant microorganisms are useful for industrial production of butanol or mixed alcohols comprising butanol and isopropanol. | 11-29-2012 |
20130078673 | RECOMBINANT MICROORGANISM HAVING AN ABILITY OF USING SUCROSE AS A CARBON SOURCE - The present invention relates to a recombinant microorganism capable of metabolizing sucrose, and more particularly to a recombinant microorganism capable of metabolizing sucrose in which a gene encoding sucrose phosphotransferase and/or a gene encoding sucrose-6-phosphate hydrolase is introduced or to a recombinant microorganism capable of metabolizing sucrose in which a gene encoding β-fructofuranosidase is introduced. According to the present invention, a recombinant microorganism capable of using inexpensive sucrose as a carbon source instead of expensive glucose is provided. In addition, in a process of culturing microorganisms which have been incapable of using sucrose as a carbon source, sucrose can substitute for other carbon sources including glucose. | 03-28-2013 |
Patent application number | Description | Published |
20110057038 | ANTENNA, AND RADIO FREQUENCY IDENTIFYING DEVICE AND METHOD - A radio frequency identifying device minimizes a null point area within a radiation pattern by horizontally or vertically vibrating an antenna plate radiating a radio frequency beam by using at least one vibration motor. | 03-10-2011 |
20120114834 | AUTOMATIC STAMPING METHOD AND APPARATUS BASED ON PRESS ROLLER AND PIN PRESS - An automatic stamping apparatus includes a conveyor for conveying a stamping object, a stamper for stamping a pattern and two-dimensional bar code information on the stamping object, a reader for reading the pattern and the two-dimensional bar code information, and an information processor for determining a pattern and two-dimensional bar code information to be stamped on the stamping object, controlling the stamper based on the determined pattern and two-dimensional bar code information, receiving the stamped pattern and two-dimensional bar code information of the stamping object read by the reader, comparing the received stamped pattern and two-dimensional bar code information with a pattern and two-dimensional bar code information to be stamped on the stamping object, thus verifying the accuracy of the stamping. | 05-10-2012 |
20120127202 | SYSTEM AND METHOD FOR PROVIDING DELIVERY INFORMATION - Provided are a system and a method for logistics delivery using augmented reality, which are used for efficient logistics delivery through generation of an optimal delivery route and improvement of a delivery rate. The present invention is constituted by a mobile terminal which is used by a delivery man, a logistics information system, and a mobile communication company's server. When the delivery man scans an image in a delivery scheduled area by using the mobile terminal, a mobile apparatus displays detailed delivery information regarding a delivery point in an area for each set area unit and whether a customer is positioned in the vicinity of an address and generates the optimal delivery route. | 05-24-2012 |
20120150342 | SYSTEM AND METHOD FOR PROCESSING DELIVERY ITEMS - Disclosed herein is a system and method for processing delivery items. The system for processing delivery items may include: a delivery item transfer device which transfers a delivery item put into the system and measures at least one delivery item information selected from the group consisting of an image, a bar code, an address, a shape, a volume, and a weight of the delivery item; a control device which generates sorting information for each delivery zone and delivery route information, which are required to deliver the delivery items, and provides the generated sorting information for each delivery zone or delivery route information and the at least one delivery item information; and a robot device which loads the delivery item into a corresponding loading container by controlling a robot based on the generated sorting information for each delivery zone or delivery route information and the at least one delivery item information. | 06-14-2012 |
20130278947 | SYSTEM FOR ACCEPTING MAIL MATTER - A system for accepting a mail matter is provided, which includes an image processing unit recognizing a mailing address; a weight measurement unit measuring a weight of the mail matter; a mailing address information input unit; a postage information storage unit; a postage settlement unit; an interface unit for selecting mailing addresses of an addresser and an addressee; a labeler printing the mailing addresses of the addresser and the addressee and a registered barcode on a label and attaching the label to the mail matter; a discharger discharging the mail matter; and an integrated control unit settling the postage through the postage settlement unit, attaching the selected mailing addresses of the addresser and the addressee and the registered barcode to the mail matter through the labeler, and discharging the mail matter through the discharger. | 10-24-2013 |
20130282166 | LOADING CONTROL APPARATUS CAPABLE OF AUTOMATIC MAIL ALIGNMENT - The present invention relates to a loading control apparatus capable of aligning the mail automatically. The loading control apparatus includes a distribution unit configured to guide mail, inputted to the cargo box of an unmanned receipt apparatus, to any one of a plurality of mail capacity boxes, a gravimetry unit configured to measure the weight of the mail loaded onto the mail capacity box, and a control unit configured to determine a mail capacity box onto which the mail will be loaded based on the weight received from the gravimetry unit and control the distribution unit based on a result of the determination. In accordance with the present invention, registered ordinary mail received through the unmanned receipt apparatus is automatically aligned and loaded in order of the receipt of mail. | 10-24-2013 |
20140050351 | APPARATUS AND METHOD FOR RECEIVING UNMANNED MAIL - Provided is an apparatus for receiving an unmanned mail capable of automatically acquiring the address information even though the user does not directly input the address information. The apparatus acquires address information of an addressee by automatically recognizing the address of the mail when the address is written on the mail, and acquires the address information of the addressee through the paper on which the address is printed or written, identification, and biometric recognition when the address is not written on the mail. The apparatus may acquire the address information of the addressee through a mail sender's voice. | 02-20-2014 |
20140195451 | UNMANNED SYSTEM FOR ACCEPTING MAIL AND METHOD THEREOF - An unmanned system for accepting mail and a method thereof are provided. The unmanned system for accepting mail includes: a weight and size measuring unit measuring, when mail is input by a user through a predetermined input unit, a weight of the mail by moving the input mail to a predetermined position and a size of the mail by using a plurality of sensors which is previously provided at the predetermined position; a delivery charge calculating unit calculating a delivery charge of the mail based on a delivery type selected by the user, and the measured weight and size of the mail; and a mail loading unit assigning the accepted mail to a predetermined loading space in accordance with the delivery type and the size of the mail when the mail is accepted and loading the accepted mail in the assigned loading space. | 07-10-2014 |
Patent application number | Description | Published |
20120004004 | METHOD AND APPARATUS OF SEARCHING FOR BASE STATION USING PAGING PROCEDURE IN MOBILE COMMUNICATION NETWORK - A method for searching for a base station using paging procedure in a mobile communication network has a paging agent that performs the paging procedure. The method includes: receiving, at the paging agent, subscriber information including information of a service, to which a mobile node subscribed, from a home location register while performing a location registration procedure in response to a location registration request from the mobile node; setting an available scan time based on the time required to perform the paging procedure; generating a paging request message including the available scan time and the subscriber information to send the paging request message to a base station required for paging; and generating base station information based on the subscriber information to input into the paging request message to transmit with the available scan time to the mobile node. | 01-05-2012 |
20120157096 | METHOD AND SYSTEM FOR SEARCHING FEMTOCELL ACCESS POINTS - A method of searching a femtocell access point includes: transmitting configuration/measurement information an operating frequency and a transmission power strength from multiple femtocell access points located within the macro cell to an OSM)/CPC server; and receiving, at the OSM/CPC server, the configuration/measurement information from the femtocell access points, and generating a femtocell access point list usable in a mobile terminal to provide the generated femtocell access point list to the mobile terminal. The method further includes selecting, at the mobile terminal, one femtocell access point from the femtocell access point list provided from the OSM/CPC server and accessing the selected femtocell access point. | 06-21-2012 |
20130260786 | METHOD AND APPARATUS FOR CONTROLLING FEMTOCELL BASE STATION - Disclosed are a method and an apparatus for controlling a femtocell base station which can effectively solve an inter-cell interference problem. A method of controlling a femtocell base station according to an exemplary embodiment of the present disclosure includes receiving pilot signals from one or more macro cell base stations located in surroundings of a femtocell and measuring intensities of the pilot signals; receiving use frequency information and pilot signal transmission power information from the one or more macro cell base stations; determining a position of the femtocell within a reference macro cell according to an intensity of a reference pilot signal having a maximum signal intensity among the received pilot signals; determining a use frequency of the femtocell according to the position of the femtocell; and determining a transmission power of the femtocell according to the use frequency and the intensity of the reference pilot signal of the femtocell. | 10-03-2013 |
20130331093 | MULTIMODE TERMINAL AND METHOD FOR RELAYING MOBILE COMMUNICATION USING THE SAME - Disclosed are a multimode terminal that may simultaneously enhance utilization of a device and efficiency of a network by enabling a mobile terminal supporting a plurality of communication schemes to additionally support a relay function, and a method of relaying communication using the multimode terminal. A communication relay method of a multimode terminal according to an exemplary embodiment of the present disclosure includes: searching, by a base station, for terminals that support a plurality of communication schemes; selecting, by the base station from among the searched terminals, a relay terminal that satisfies a predetermined condition for performing a multimode relay function; requesting, by the base station, the relay terminal to perform the multimode relay function; and relaying, by the relay terminal in response to the request of the base station, communication between the base station and a target terminal. | 12-12-2013 |
20140023050 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES IN CELLULAR COMMUNICATION SYSTEM - An apparatus for allocating resources in a cellular communication system including a plurality of cells divides time resources of one period into a plurality of time division intervals, allocates one time division interval of the plurality of time division intervals for user terminals in a cell edge region, and controls at least one of a magnitude of one period and a magnitude of the plurality of time division intervals in accordance with distributions and load distributions of user terminals of the plurality of cells. | 01-23-2014 |
20140162678 | METHOD AND APPARATUS FOR DYNAMIC RESOURCE ALLOCATION - A dynamic resource allocating apparatus of a first base station managing a first cell in a cellular communication system calculates an interference metric of each user terminal received by each user terminal from a plurality of neighboring cells, calculates a coupling factor between the first base station and each neighboring base station of each neighboring cell by using the interference metric and a load of each user terminal, calculates available cell boundary resources of neighboring cells by using the coupling factor with respect to each neighboring base station, and allocates resources by using the cell boundary resources allocated to the first cell and the available cell boundary resources of the neighboring cells. | 06-12-2014 |
20140295866 | METHOD AND APPARATUS FOR DYNAMICALLY ALLOCATING RESOURCE - A dynamic resource allocating apparatus of a first base station that manages a first cell in a cellular communication system including the first cell and a plurality of cells adjacent to the first cell determines time resource division vector in which one time resource division period is formed of a plurality of time division intervals and calculates time resource division vector for maximizing utilities of user terminals in a set up objective function to update the time resource division vector. Among the plurality of time division intervals, a first time division interval is operated by a time resource reuse coefficient 1 for user terminals positioned in center regions of a first cell and a plurality of adjacent cells, and the remaining time division intervals excluding the first time division interval are operated by a time resource reuse coefficient n for user terminals positioned at edges of the first cell and the plurality of adjacent cells. | 10-02-2014 |
20150055736 | METHOD AND APPARATUS FOR DECODING RECEIVED SEQUENCE - A method and apparatus for embodying an algorithm that can simultaneously restore a present codeword and an interference codeword with low complexity so as to obtain high throughput in a wide interference signal power level are provided. By simultaneously restoring a desired codeword and an interference codeword by considering an interference signal upon decoding, high throughput performance can be obtained regardless of a power level of the interference signal. | 02-26-2015 |
20150063316 | METHOD AND APPARATUS FOR ALLOCATING RESOURCE - In a cellular communication system including a plurality of cells, a resource allocation apparatus of a base station determines a resource division ratio of a present resource frame using a traffic load of a plurality of cells that are measured for an immediately preceding resource frame and marginal utility of each partition, divides a present resource frame into a plurality of partitions according to the determined resource division ratio, and allocates a plurality of partitions to a user. | 03-05-2015 |
Patent application number | Description | Published |
20080288441 | Processing method of data stream using Border Monitoring Query - The present invention relates to a processing method of data stream using Border Monitoring Query, and more particularly a monitoring method and a system for data streams which are a large volume of data and continuously generated such as financial ticker, GPS data or a ubiquitous sensor network (USN). | 11-20-2008 |
20110310751 | Mobile Apparatus Supporting Context Monitoring, Method of Monitoring Context Using the Same and Context Monitoring System Having the Same - A mobile apparatus includes a processing planner and a plan processor. The processing planner generates a plurality of resource use plans in response to a context monitoring query (CMQ) of an application, and selects a final plan satisfying a request of the CMQ among the resource use plans. The plan processor executes the final plan. Accordingly, the mobile apparatus may support resource-efficient context monitoring. | 12-22-2011 |
20120190416 | MULTIPLAYER SOCIAL EXERCISE GAME METHOD AND SYSTEM WITH VARIOUS TYPES OF EXERCISES OR EQUIPMENTS - An exercise game system of the present invention includes a plurality of game clients and a game server. The game clients transmit over a network, exercise intensity information in which exercise intensities of the players performing various types of exercises are measured. The game server drives an exercise game by receiving exercise intensity information of the respective players from the game clients over the network, and by determining a motion of a game object to be displayed on a game screen based on exercise intensity information that is balanced according to a predetermined balancing rule about at least one element of exercise intensity, a change rate, and a duration time according to different types of exercises. In this instance, the game screen is represented to be capable of recognizing the motion of the game object that is affected by adjusting the intensity of exercise performed by the players. | 07-26-2012 |
20140149509 | SYSTEM AND METHOD FOR PERCEIVING OUTCAST IN GROUP - Provided is a system and method for perceiving an outcast in a group. The system may include: a plurality of member terminals held, respectively, by a plurality of members conducting an outdoor activity and configured to transmit waves with a radio frequency; and a leader terminal held by a leader of the outdoor activity and configured to receive the waves transmitted from the plurality of member terminals, to sense intensities of the waves, to obtain distances between the plurality of member terminals from the sensed intensities of the waves, to calculate a group distance based on the obtained distances between the member terminals, to sort the plurality of member terminals into at least one subgroup, and to determine an outcast member terminal excluded from the at least one subgroup. | 05-29-2014 |
20140220524 | SYSTEM AND METHOD FOR MONITORING BEHAVIOR OF STUDENTS IN FIELD TRIPS - Provided is a system and method for monitoring a student behavior in a field trip. The system may include: a plurality of member terminals held respectively by a plurality of members conducting a group activity and provided with a plurality of sensors, an imaging device, and a data storage device to collect and store behavior information of the members to match time information, the behavior information including location information, orientation information, view information, and motion information; at least one leader terminal held by a leader and configured to receive and store the behavior information of the members collected by the plurality of member terminals; and an analysis terminal configured to receive the behavior information from the at least one leader terminal and the plurality of member terminals. | 08-07-2014 |
Patent application number | Description | Published |
20110209763 | METHOD OF MANUFACTURING THIN-FILM LIGHT-ABSORBING LAYER, AND METHOD OF MANUFACTURING THIN-FILM SOLAR CELL USING THE SAME - Disclosed is a method of manufacturing a thin-film light-absorbing layer using spraying, including mixing precursor solutions comprising CuCl | 09-01-2011 |
20110214335 | FISHING SINKER FOR PREVENTING LOSS THEREOF - Disclosed is a fishing sinker for preventing a loss thereof, and capable of preventing the contamination of fresh water or seawater and easily adjusting the height of the fishing sinker. The fishing sinker comprises a weight, an environment-friendly resin layer made of a biodegradable polyester and laminated on an outer surface of the weight in a predetermined thickness, and a plurality of linear protrusions formed at an outer surface of the environment-friendly resin layer. | 09-08-2011 |
20110244484 | METHOD OF DIAGNOSING ALZHEIMER'S DISEASE USING GIANT MAGNETORESISTANCE SENSOR AND MAGNETIC BEAD-POLYPROTEIN COMPLEX FOR DIAGNOSING ALZHEIMER'S DISEASE - Provided are a method of diagnosing Alzheimer's disease using a giant magnetoresistance sensor and a magnetic bead-polyprotein complex for diagnosing Alzheimer's disease. The method of diagnosing Alzheimer's disease using the giant magnetoresistance sensor may be applied to diagnose Alzheimer's disease more easily and simply using the giant magnetoresistance sensor than using conventional fluorescent materials or genetic analyses, and the magnetic bead-polyprotein complex may be mass-produced as a diagnostic biosensor for Alzheimer's disease, and thus to be useful to monitor and treat Alzheimer's disease. | 10-06-2011 |
20110262934 | METHOD FOR EARLY DIAGNOSIS OF ALZHEIMER'S DISEASE USING PHOTOTRANSISTOR - Disclosed is a method for the early diagnosis of Alzheimer's disease. In the method, cells in which a biomarker characteristic of Alzheimer's disease, preferably beta-amyloid, is labeled with magnetic beads are selectively located in the channel region of a phototransistor, and a difference in photocurrent between normal cells and the cells comprising the protein biomarker labeled with magnetic beads is sensed to diagnose Alzheimer's disease at an early stage. | 10-27-2011 |
20130045565 | METHOD OF MANUFACTURING HIGH DENSITY CIS THIN FILM FOR SOLAR CELL AND METHOD OF MANUFACTURING THIN FILM SOLAR CELL USING THE SAME - Disclosed are a high density CIS thin film and a method of manufacturing the same, which includes coating CIS nanopowders, CIGS nanopowders or CZTS nanopowders on a substrate by non-vacuum coating, followed by heat treatment with cavities between the nanopowders filled with filling elements such as copper, indium, gallium, zinc, tin, and the like. The high density CIS thin film is applied to a photo-absorption layer of a thin film solar cell, thereby providing a highly efficient thin film solar cell. | 02-21-2013 |
20140346408 | METHOD OF MANUFACTURING GRAPHENE HYBRID MATERIAL AND GRAPHENE HYBRID MATERIAL MANUFACTURED BY THE METHOD - This invention relates to a method of manufacturing a graphene or graphene oxide/nanoparticle hybrid material and a graphene/nanoparticle hybrid material manufactured thereby, wherein the hybrid material can be easily, rapidly and eco-friendly synthesized while minimizing the use of chemicals and thermal treatment because of electrostatic self-assembly properties of a biomaterial. This method includes preparing nanoparticles, a biomaterial solution and a graphene oxide solution, mixing the nanoparticles with the biomaterial solution to form biomaterial-coated nanoparticles, mixing the biomaterial-coated nanoparticles with the graphene oxide solution to obtain a graphene oxide/nanoparticle hybrid material, and reducing the graphene oxide/nanoparticle hybrid material to obtain a graphene/nanoparticle hybrid material. | 11-27-2014 |
Patent application number | Description | Published |
20100048077 | COMPOSITION OF ACRYLIC PRESSURE-SENSITIVE ADHESIVE AND SURFACE FINISHING MATERIAL COMPRISING THE SAME - An acrylic pressure-sensitive adhesive composition according to the present invention comprises: acrylic copolymer (A) formed by copolymerizing i) alkyl (meth) acrylic acid ester monomer wherein the carbon atom of alkyl group is 2 to 14, ii) monomer having a functional group capable of crosslinking, iii) methyl (meth)acrylate monomer, iv) vinyl acetate monomer, v) glycidyl (meth)acrylate, and vi) crosslinking agent having 5 to 15 of alkyleneoxide groups and at least two acrylate group or vinyl group; and flame retardant (B). The acrylic pressure-sensitive adhesive composition improves the adhesive property and the dispersion of the flame retardant by controlling the crosslinking structure of the acrylic copolymer, such that a surface finishing material comprising the same can have the excellent adhesion and fireproof. | 02-25-2010 |
20110014465 | Acrylic Pressure Sensitive Adhesive And Method Of Preparing The Same - Provided is a removable acrylic pressure sensitive adhesive comprising (A) 70-96.5 weight % of (meth)acrylic acid ester monomer having C | 01-20-2011 |
20120071053 | ACRYLIC PRESSURE SENSITIVE ADHESIVE AND SURFACE FINISHING MATERIAL COMPRISING THE SAME - Disclosed are an acrylic pressure-sensitive adhesive and a surface finishing material comprising the same. More specifically, disclosed is an acrylic pressure-sensitive adhesive that is achieved by including an acrylic copolymer formed by copolymerizing: i) 81 to 96% by weight of an alkyl (meth) acrylic acid ester monomer having a carbon number of an alkyl group of 2 to 14; ii) 1 to 10% by weight of at least one monomer selected from the group consisting of an allyl ester, a vinyl ester and an unsaturated acetate; iii) 1 to 10% by weight of an acrylonitrile monomer; and iv) 0.1 to 2% by weight of a crosslinker including 5 to 15 of an alkylene oxide group, and having two or more groups of an acrylate group, a vinyl group or the combination thereof, and a surface finishing material comprising the same, whereby an acrylic pressure-sensitive adhesive that is environmentally friendly, has an excellent room temperature and an aging adhesive property, and has an excellent constructability when it is applied to the surface finishing material, and an surface finishing material comprising the same are provided. | 03-22-2012 |
20130157050 | REMOVAL PRESSURE SENSITIVE ADHESIVE OF AQUEOUS EMULSION AND METHOD FOR PREPARING THE SAME - Disclosed are a removal aqueous emulsion adhesive, as an aqueous adhesive, which is environmental-friendly, exhibits superior adhesive strength and heat resistance, and low removal noise and is free of ghosts, as compared to rubber-soluble adhesives, and is thus applicable to a variety of commercial labels including labels for cosmetics, medicine, foods, chemical products and promotion, as well as to adhesive sheets such as adhesive labels used for electric and electrical products that require heat resistance and absence of ghosts, and a method for preparing the same. | 06-20-2013 |
Patent application number | Description | Published |
20090288949 | REFERENCE ELECTRODE INCLUDING ELECTROLYTE CONTAINING OPTICALLY-ACTIVE MATERIAL AND AUTOMATIC ELECTROCHEMICAL POTENTIAL CORRECTION APPARATUS USING THE SAME - Disclosed herein is a reference electrode including an electrolyte containing an optically-active material, including: an electrode body provided at an end thereof with an electrolyte separation membrane and charged therein with an optically-active material and an electrolyte solution; an inner electrode disposed in the electrode body to be immersed in the electrolyte solution; and an absorbance measurement probe for transmitting light to the electrolyte solution and collecting reflected light waves, which is disposed in the electrode body to be immersed in the electrolyte solution. Since the concentration of an electrode reaction material, such as Cl | 11-26-2009 |
20100140088 | REFERENCE ELECTRODE HAVING SELF-CALIBRATION FUNCTION AND APPARATUS FOR AUTOMATICALLY CORRECTING ELECTROCHEMICAL POTENTIAL CORRECTION APPARATUS USING THE SAME - Disclosed herein is a reference electrode having a self-calibration function, which is used in electrochemical measurement and whose measurement accuracy can be maintained for a long period of time. Also disclosed is an apparatus for automatically correcting electrochemical potential using the reference electrode. The apparatus comprises: a reference electrode, comprising an external electrode body having an electrolyte membrane at one end thereof and an electrolyte solution filled therein, and at least two electrically isolated internal electrodes which are disposed in the external electrode body in such a manner that they are immersed in the electrolyte solution; and a reference potential calibrator for applying AC voltage to the internal electrodes to measure the electrical conductivity of the electrolyte solution of the electrolyte solution and output a correction signal about the change in the reference potential of the reference electrode. The reference electrode and the apparatus can suitably calibrate the change in the potential of the reference electrode by measuring the internal electrolyte of the reference electrode and calculating the concentration of the internal electrolyte, and thus the function of the reference electrode can be maintained for a long period of time. | 06-10-2010 |
20100239062 | COOLANT WITH DISPERSED NEUTRON POISON MICRO-PARTICLES, USED IN SCWR EMERGENCY CORE COOLING SYSTEM - Disclosed is a coolant with dispersed neutron poison micro-particles, used in a supercritical water-cooled reactor (SCWR) emergency core cooling system. Since the neutron poison micro-particles are uniformly dispersed in the coolant of the emergency core cooling system for a long period time, their fluidity is not lowered even though the polarity of water is changed in a supercritical state. Therefore, the neutron poison micro-particles absorb neutrons produced from nuclear fission in a nuclear reactor core. Accordingly, the neutron poison micro-particles can be appropriately used as a means for controlling neutrons and stopping a nuclear reactor in the SCWR emergency core cooling system. | 09-23-2010 |
20110164715 | SYSTEM AND METHOD FOR DETECTING LEAKAGE OF NUCLEAR REACTOR COOLANT USING LASER INDUCED EMISSION SPECTRUM - System and method for detecting and/or predicting in a field the leakage of nuclear reactor coolant that may occur at the pressure boundary of the primary system of a nuclear reactor. The system and method for detecting the leakage of nuclear reactor coolant uses a laser induced emission spectrum. The leakage of coolant is detected by detecting boron (B), a main component of the coolant, in corrosive products generated at the nuclear reactor pressure boundary on the basis of laser spectroscopy. An embodiment of the system for detecting leakage of nuclear reactor coolant may include a laser generator, a laser focusing lens, an emission collector, and emission spectrum analyzer. | 07-07-2011 |
20120026495 | Device for On-Site Measurement of Concentration of Uranium in High Temperature Molten Salts - A device for on-site measurement of concentration of uranium in high temperature molten salts is provided. More particularly, to a device for on-site measurement of concentration of uranium in high temperature molten salts that can be directly applied to a pyroprocess for reusing spent nuclear fuel and determine concentration of uranium 3+ and 4+ chemical species using ultraviolet-visible light absorption spectrometry. The device includes first and second optical waveguides submerged in molten salts including uranium through a port formed at an upper side of a pyrochemical process apparatus; a lengthwise driver installed at the port to be operated to adjust a distance between the optical waveguides; a light source for supplying light to the second optical waveguide as any one of the optical waveguides; and a spectrometer connected to the first optical waveguide as the other one of the optical waveguides to analyze the light emitted from the second optical waveguide and introduced through the first optical waveguide via the molten salts. | 02-02-2012 |
20120081133 | METHOD OF DETECTING IMPURITIES IN HIGH TEMPERATURE AQUEOUS SOLUTION AND APPARATUS OF DETECTING IMPURITIES FOR THE SAME - The present invention relates to a method of detecting impurities in a high-temperature aqueous solution and an apparatus of detecting impurities for the same. Specifically, the present invention provides a method of detecting impurities in a high-temperature aqueous solution comprising a reducing agent using an electrochemical water chemistry technology detecting the electrochemical current varied according to the degree in which the impurities in the high-temperature aqueous solution hinder the formation of an oxide film that is formed on a noble metal electrode, and an impurity detecting apparatus comprising a noble metal electrode, a counter electrode, and a device of applying the electrochemical potential and measuring the electrochemical current for the method of detecting impurities. | 04-05-2012 |
20120123721 | ELECTRONIC SCALE HAVING FUNCTION OF COMPENSATING FOR AIR PRESSURE CHANGES IN GLOVE BOX - The present invention relates to an electronic scale having an air pressure change compensation function, which can precisely measure the weight of an object to be weighed even in an environment in which air pressure changes moment by moment in an airtight space such as in a glove box. According to the present invention, there is provided an electronic scale having an internal air pressure measurement sensor, by which the function of correcting the weight of an object to be weighed is provided even in an environment in which air pressure changes such as in the glove box is provided, thus enabling the weight of a sample to be precisely measured even in an environment in which air pressure changes moment by moment. | 05-17-2012 |
20130136223 | METHOD FOR TREATING NEUTRONS GENERATED FROM SPENT NUCLEAR FUEL - A method for treating neutrons generated from spent nuclear fuel is provided, which includes a step of injecting neutron absorption material into the spent nuclear fuel storage water in which cooling function is lost. Accordingly, as the neutron absorption material in the form of particles is injected into a spent nuclear storage pool missing cooling function and deposited on the surface of the spent nuclear fuel, the possibility reaching nuclear criticality is reduced since the neutrons generated from spent nuclear fuel are absorbed. Also, immediate neutron absorbing power is provided upon refilling the pool water into the spent nuclear fuel storage pool in which pool water is depleted. | 05-30-2013 |
20130264222 | MONITORING METHOD AND SYSTEM OF METAL IONS OR OXYGEN IONS APPLICABLE TO HIGH CONCENTRATION NON-AQUEOUS ELECTROLYTE - A monitoring method of metal ions or oxygen ions applicable to a high concentration non-aqueous electrolyte includes: applying a potential in a non-aqueous electrolyte to obtain current information with respect to the potential; varying the potential applied in the non-aqueous electrolyte containing metal ion concentration or oxygen ion concentration such that the metal ion concentration or the oxygen ion concentration is maintained in spite of the potential being applied; detecting a linear relationship among the concentration, the current, and passed charges in the non-aqueous electrolyte by repeatedly performing the obtaining step and the varying step, while changing the concentration; and calculating metal ion concentration or oxygen ion concentration of the non-aqueous electrolyte in pyroprocessing of the non-aqueous electrolyte by using the linear relationship. Concentration and components of a solute existing in a non-aqueous electrolyte can be measured while an electrowinning process and pyroprocessing is being conducted. | 10-10-2013 |
20130323149 | IODINE ABSORBENT MATERIAL CONTAINING SALT AND RADIOACTIVE IODINE REMOVAL SYSTEM USING THE SAME - An apparatus for filtering airborne radioactive iodine is provided. The apparatus includes a housing defining an interior space and comprising an inlet for receiving air and an outlet for discharging the air; and a composition placed in the interior space for trapping airborne radioactive iodine between the inlet and the outlet. The composition comprises one or more salts selected from the group consisting of an alkali metal chloride and an alkaline earth metal chloride. A method of filtering airborne radioactive iodine is further provided. The method includes providing the foregoing apparatus at a nuclear facility and blowing air to flow from the inlet to the outlet and contact the composition placed in the interior space, whereby airborne radioactive iodine is trapped in the interior space. | 12-05-2013 |
20140132288 | METHOD FOR MEASURING ELECTRICAL CONDUCTIVITY AND ELECTRICAL CONDUCTIVITY MEASURING SYSTEM USING THE SAME - The present disclosure relates to a method for measuring electrical conductivity and a system for measuring electrical conductivity using the same. The method includes obtaining a cell constant of a conductance cell using a conductivity standard solution, pouring a solution desired to be measured in the conductance cell, and applying predetermined direct current (DC) voltages to electrodes, disposed in the conductance cell, in a manner of changing the predetermined DC voltages in stages at each preset time (t), obtaining resistance of the solution, as a slope, from a linear relationship between the voltage and a peak current, measured for each voltage, and calculating electrical conductivity of the solution using the cell constant and the resistance of the solution. | 05-15-2014 |
20150050816 | METHOD OF ELECTROCHEMICALLY PREPARING SILICON FILM - A method of preparing a silicon thin film, silicon thin film prepared using the method, and an electronic device including the silicon thin film are provided. The method includes applying an oxidized silicon element solution to a substrate and sintering the silicon oxide film to prepare a compact silicon oxide thin film, electrochemically reducing the silicon oxide thin film to form a porous silicon film, and re-sintering the porous silicon film. Therefore, the silicon thin film used in semiconductors, solar cells, secondary batteries and the like can be easily prepared at a low cost with a smaller number of processes than the conventional methods, and thus price competitiveness of products can be enhanced. | 02-19-2015 |
Patent application number | Description | Published |
20100158154 | METHOD AND APPARATUS FOR GENERATING PREDISTORTION SIGNAL - Provided is a digital predistortion linearizer applicable to millimeter-wave band point-to-point communications. The digital predistortion linearizer includes a transmission unit and a reception unit. The reception unit receives a first signal including a transmission signal and a distortion signal through a millimeter-wave propagation environment, detects the distortion signal from the first signal, and transmits information on the detected distortion signal with the first signal to the transmission unit. The transmission unit generates a predistortion signal using the information on the distortion signal and the first signal received from the reception unit, couples the generated predistortion signal with the transmission signal, and outputs the coupled signal. | 06-24-2010 |
20100205234 | METHOD AND APPARATUS FOR DETECTING SIGNAL USING CYCLO-STATIONARY CHARACTERISITICS - A method and apparatus for detecting a signal using a cyclo-stationary characteristic value is provided. A method of detecting a signal using a cyclo-stationary characteristic value includes: calculating cyclo-stationary characteristic values with respect to a cyclic frequency domain of an input signal; multiplying the calculated cyclo-stationary characteristic values with each other; and detecting the signal from the input signal based on the result of the multiplication. | 08-12-2010 |
20110014935 | APPARATUS AND METHOD FOR SCHEDULING SENSING CHANNEL IN WIRELESS COMMUNICATION SYSTEM - Provided is an apparatus and method for scheduling a sensing channel in a wireless communication system. The sensing channel scheduling apparatus may include: an evaluation value calculator to calculate evaluation values with respect to a channel quality for each of channels; a sorter to sort the evaluation values based on a predetermined criterion; and a scheduler to perform scheduling for sequences of the channels using sequences of the sorted evaluation values. | 01-20-2011 |
20110045862 | APPARATUS AND METHOD FOR COMMUNICATION IN COGNITIVE RADIO NETWORK - A CR apparatus for performing communication in a CR network includes: a communication unit configured to measure a channel estimation signal, transmit measured channel state information to a master device, and, when a QP of a reference channel arrives, make a communication channel transition to a candidate channel and perform communication; and a channel information management unit configured to receive and manage the channel state information measured by the communication unit and channel information comprising a candidate channel, into which a channel transition is to be made during a QP of the reference channel, received from the master device and control channel transition of the communication unit based on the channel information. | 02-24-2011 |
20110103320 | CONTENTION-BASED DATA COMMUNICATION APPARATUS AND METHOD - Provided is a contention-based data communication apparatus and method that may notify that a radio resource is to be used using a search signal prior to transmitting a communication frame, and may transmit data based on a priority when a search signal received from another communication apparatus is detected. | 05-05-2011 |
20110122831 | APPARATUS AND METHOD FOR PROVIDING BANDWIDTH OF COGNITIVE RADIO SYSTEM - The present invention relates to an apparatus and method for providing a bandwidth of a cognitive radio system. An apparatus and method for providing a bandwidth of a cognitive radio system according to an exemplary embodiment of the present invention calculates an oscillation frequency of a local signal that changes, by a predetermined value, center frequencies of fractional bands as bands that arc not used temporally and spatially in partial bands of an externally provided broadcasting channel band. The apparatus and method for providing a bandwidth of a cognitive radio system outputs a first local signal at the calculated oscillation frequency, mixes the output first local signal and an external signal, and moves center frequencies of fractional bands of the external signal by a predetermined value. The apparatus and method for providing a bandwidth of a cognitive radio system Filters a frequency band that is higher than an upper limit of a pass band having a predetermined bandwidth among moved frequency bands of the fractional bands to extract a first signal. Then, the apparatus and method for providing a bandwidth of a cognitive radio system mixes the extracted first signal and a second local signal and moves the center frequencies of the fractional bands in the first signal. The apparatus and method for providing a bandwidth of a cognitive radio system filters a frequency band that is lower than a lower limit of the pass band among the moved frequency bands of the fractional bands to extract at least one fractional band. The apparatus and method for providing a bandwidth of a cognitive radio system provides the extracted fractional band to a terminal and a base station, thereby improving frequency utilization efficiency. | 05-26-2011 |
20110128096 | SYSTEM AND METHOD FOR MODIFYING HAIRPIN FILTER, AND HAIRPIN FILTER - A system for modifying a hairpin filter is provided which includes a structure transformer to divide a hairpin filter into a plurality of filters and to arrange the plurality of filters in a bilaterally symmetrical pattern, and a coupling generator to generate a plurality of coupling lines, each of the plurality of coupling lines being between each of the filters. | 06-02-2011 |
20110129006 | METHOD AND APPARATUS FOR DETECTING RECEIVED SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method for detecting a received signal includes: dividing the entire band of the received signal into N frequency components where N is a natural number larger than one, and deciding a reference frequency component containing a reference frequency as a first priority sensing band among the N frequency components; deciding the sensing priorities of the other (N−1) frequency components in such a manner that the sensing priorities spread in both directions from the first priority sensing band; calculating the magnitude of each of the N frequency components in accordance with the decided sensing priorities; comparing the calculated magnitude of the frequency component with a predetermined threshold value; and when the calculated magnitude of the frequency component is larger than the threshold value, determining that the received signal exists. | 06-02-2011 |
20110130101 | WIRELESS COMMUNICATION SYSTEM AND METHOD FOR SHARING SENSING ANTENNA, SENSING RECEIVER, DATA TRANSCEIVER ANTENNA, AND DATA TRANSCEIVER - Provided is a method of sharing a data transceiver, a data transceiver antenna, a sensing receiver, and a sensing antenna, and a wireless communication system. The data transceiver and the sensing receiver, or the data transceiver antenna and the sensing antenna may be flexibly shared based on a condition. During a period where a transceiver and an antenna are utilized, the transceiver and the antenna may be utilized for different purposes. The transceiver and the antenna may be flexibly shared to increase efficiency in using the transceiver and the antenna, and thus, a spectrum sensing and a data transmission and reception performed in a system may be improved. | 06-02-2011 |
20110149889 | METHOD AND DEVICE FOR COMMUNICATION BETWEEN DEVICES WITH DIFFERENT TRANSMISSION COVERAGE - Provided is a large range management device (LRMD) of managing a communication between a plurality of small range devices (SRDs) and a plurality of large range devices (LRDs), the SRDs and the LRDs being located in a single cell and having different transmission coverage, the LRMD including an access slot allocation unit to allocate an SRD access slot to a radio resource for a downlink, to enable a first SRD to request an association from a network, a selection unit to select a communication relay device for relaying relay data of the first SRD, a relay slot allocation unit to allocate at least one SRD relay slot to a radio resource for an uplink, to enable the communication relay device to relay the relay data to a second SRD or another LRD, and a receiving unit to receive the relay data based on the at least one SRD relay slot | 06-23-2011 |
20110150131 | APPARATUS AND METHOD FOR PROCESSING DIGITAL TRANSMISSION/RECEPTION SIGNALS TO CORRECT IN-BAND GAIN FLATNESS - An apparatus for processing a digital transmission signal for a transmitter includes a transmission Finite Impulse Response (FIR) filter to perform shaping on initial setting data to convert the initial setting data into a signal having a predetermined passband, a comparator to compare the signal with data including degradation information provided as feedback by a receiver corresponding to the transmitter, to generate a control signal, and a band flatness correction filter to adjust a coefficient of the band flatness correction filter in response to the control signal, and to correct an in-band flatness. | 06-23-2011 |
20110167321 | APPARATUS AND METHOD OF TRANSMITTING AND RECEIVING DATA FOR IMPROVING TRANSMISSION RATE - A data transmitter and receiver for improving a data rate, and more particularly, to an apparatus and method of transmitting and receiving an orthogonal frequency division multiplexing (OFDM) symbol in which a pilot signal is added to a data signal is provided. The apparatus includes a transmitter including: a pilot adder to add a pilot signal to a data signal; and a guard interval inserting unit to insert a guard interval to the data signal with the added pilot signal, and a receiver including: a guard interval removal unit to remove a guard interval in a received time domain signal; a fast Fourier transform (FFT) unit to transform the time domain signal in which the guard interval is removed to a frequency domain signal; a channel estimator to estimate a channel value from the time domain signal in which the guard interval is removed; an equalizer to equalize the frequency domain signal based on the estimated channel value; and a pilot signal removal unit to remove the pilot signal in the equalized frequency domain signal. | 07-07-2011 |
20110243089 | HYBRID BEACONING METHOD - Provided is a hybrid beaconing method in which a centralized beaconing scheme and a distributed beaconing scheme are combined. In the hybrid beaconing method, a beaconing scheme is converted according to a network condition, and a centralized beaconing scheme or a distributed beaconing scheme is used to maintain an optimum network status | 10-06-2011 |
20110249769 | METHOD AND APPARATUS OF COMPENSATION FOR AMPLITUDE AND PHASE DELAY USING SUB-BAND POLYPHASE FILTER BANK IN BROADBAND WIRELESS COMMUNICATION SYSTEM - Provided is a method and apparatus improving a deterioration of a gain flatness and a phase characteristic that may be incurred while a baseband signal is transformed into a immediate frequency (IF) signal and a radio frequency (RF) signal in a broadband wireless communication system. A sub-band extractor may divide the broadband signal into multiple sub-band signals, may pre-compensate for a gain and a phase delay of each sub-band signals in the baseband, and may combine the pre-compensated sub-band signals into the single broadband signal and thus, the deterioration of the gain flatness and a phase delay flatness that may be incurred while the broadband signal is transformed into the IF signal and the RF to signal, may be improved. | 10-13-2011 |
20120100883 | TRANSMISSION POWER CONTROL METHOD AND DEVICE FOR COGNITIVE RADIO DEVICE - A method and an apparatus for controlling transmit power of a CR device are provided. The method includes acquiring CR environment information regarding a licensed user or an unlicensed user occupying an adjacent channel or an adjacent cell of the CR device; determining a transmit power value of the CR device using the CR environment information; and generating transmit power control information including the transmit power value. The method and apparatus guarantee reliable communication of the CR device and minimize interference with the licensed user. | 04-26-2012 |
20130267266 | METHOD OF COMMUNICATING BETWEEN BASE STATION AND TERMINAL BASED ON INTERFERENCE ALIGNMENT IN MULTI-CELL MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) INTERFERENCE CHANNEL AND METHOD AND APPARATUS OF COMMUNICATION USING INTERFERENCE ALIGNMENT AND BLOCK SUCCESSIVE INTERFERENCE PRE-CANCELLATION IN MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT INTERFERENCE CHANNEL - A communication method of a base station and a terminal based on interference alignment in a multi-cell multi-user multiple-input multiple-output (MIMO) interference channel and a method and apparatus of communication using interference alignment and block successive interference pre-cancellation in a multi-user MIMO interference channel. The base station may determine a precoding matrix to maximize a signal to interference and noise ratio (SINR) and a signal to leakage and noise ratio (SLNR) in the interference channel, and a terminal communicating with the base station may determine a decoding matrix to align interference. The transmitter including a multicell interference channel may calculate a rotation matrix for interference alignment, identify effective symbol vectors using the rotation matrix, and generate a transmit signal of a target transmitter to pre-cancel interference corresponding to a transmit signal of a neighboring transmitter. | 10-10-2013 |
20140146736 | METHOD OF GROUPING STATIONS IN MULTI-TRANSMISSION - An apparatus for grouping a plurality of stations in a multi-transmission environment includes an SNR (Signal to Noise Ratio) measuring unit configured to measure SNR values of the stations existing in the multi-transmission environment. Further, the apparatus includes a grouping unit configured to group the stations into several subgroups depending on the SNR values, wherein a leader is defined in each subgroup. Furthermore, the apparatus includes a control unit configured to determine an MCS (Modulation and Coding Scheme) intended for each subgroup and form different A-MPDU (Aggregated MAC Protocol Data Unit) for each subgroup separately to send to each subgroup in a multicast transmission. | 05-29-2014 |
20140169350 | APPARATUS AND METHOD FOR DETERMINING IDENTITY OF WIRELESS LAN SYSTEM - Disclosed are an apparatus and a method for determining an identity of a WLAN system occupying a channel, using information within a signal field or time synchronization between target channels. For this, the present invention includes a preamble detecting unit configured to detect a preamble in each channel; a channel information obtaining unit configured to obtain reference time information when the preamble is detected in each channel, or to obtain signal field information in each channel using the detected preamble; and an identity determining unit configured to determine an identity of a WLAN system occupying each channel by comparing the reference time information obtained in each channel, or by comparing the signal field information obtained in each channel. | 06-19-2014 |
20140177546 | APPARATUS AND METHOD FOR AVOIDING INTERFERENCE BETWEEN ACCESS POINTS - The present invention relates to an apparatus and a method for avoiding signal interference between access points (APs) in a non-license band, and more particularly, an interference avoidance apparatus and method between access points (APs) that avoid interference based on whether an overlapping basic service set (OBSS) is present, whether an overlapping operation channel between adjacent APs is used, whether it is possible to select a non-overlapping operation channel between adjacent APs, and the like. | 06-26-2014 |
20140191914 | MULTI-CHANNEL ANTENNA DEVICE - A device includes a feeding circuitry, a basic mode radiator for forming a basic mode main beam pattern having one or two orthogonal polarizations based on first two orthogonal inputs received from the feeding circuitry, and a higher-order mode radiator for forming a higher-order mode conical beam pattern having one or two orthogonal polarizations based on second two orthogonal inputs received from the feeding circuitry. | 07-10-2014 |
20140205034 | METOHOD FOR INTERFERENCE ALIGNMENT USING MULTIPLE ANTENNAS IN OVERLAPPED MULTI-CELL OVERLAPPED ENVIRONMENT - An interference alignment method using multiple antennas in a multi-cell overlapped environment, includes: when at least one transmission and reception ends having at least one or more antennas communicate with each other, establishing at least one or more channels from the transmission end to the reception end. Further, the interference alignment method includes designing a processing filter for a transmission signal transmitted from the transmission end to the reception ends; and designing a processing filter for a reception signal that is received by the reception end. | 07-24-2014 |
20140286244 | METHOD AND APPARATUS FOR CONTROLLING NEAR FIELD WIRELESS NETWORK - An apparatus for controlling a near field wireless network, includes a wireless network controller included in a management plane of a wireless access point and configured to observe wireless physical layer/media access controller layer (PHY/MAC) protocols and perform a management procedure on wired MAC/PHY protocols within the wireless access point. Further, the apparatus includes a wireless network central management unit included in a management plane of a switch and configured to perform a management procedure on the wired MAC/PHY protocols within the switch. | 09-25-2014 |
20140306776 | PLANAR RF CROSSOVER STRUCTURE WITH BROADBAND CHARACTERISTIC - An RF crossover structure includes a first and second independent transmission lines formed to cross with each other on a same surface of a dielectric substrate; first via-holes connected to the second transmission line so that the second transmission line is connected to a back surface from a front surface of the dielectric substrate and is connected again to the front surface of the dielectric substrate out of a crossing region at which the first and the second transmission lines are crossed. Further, the RF crossover structure includes CPW (Coplanar Waveguide) transmission lines used for a ground plane to improve a signal transmission property at the crossing region. | 10-16-2014 |
20140349581 | APPARATUS AND METHOD FOR PARTIAL INTERFERENCE ALIGNMENT IN MULTI-ANTENNA COMMUNICATION SYSTEM - A method for a partial interference alignment in a multi-antenna communication system includes, checking the number of access points (APs) operating at the same channel or adjacent channel; and calculating LIPs (Leakage Interference Power) that the respective APs have an effect on each base-station (STA). Further, the method includes choosing the upper three AP-STA pairs having the highest LIP in order as a candidate group for interference alignment; and performing a partial interference alignment on the candidate group for interference alignment. | 11-27-2014 |
Patent application number | Description | Published |
20100330989 | TERMINAL AND METHOD FOR CONTROLLING CELL SEARCHING THEREOF - A cell search method for a terminal capable of cell search control includes: receiving a message including first cell search information from a macro cell base station that manages a macro cell; updating second cell search information stored in the terminal based on the first cell search information; and searching for an accessible cell based on the updated second cell search information. | 12-30-2010 |
20110038313 | ENHANCED COMMUNICATION APPARATUS FOR PROVIDING ENHANCED CONCATENATION, SEGMENTATION AND REASSEMBLY OF SERVICE DATA UNITS - Provided is an enhanced communication apparatus. The enhanced communication apparatus may enable a Packet Data Convergence Protocol (PDCP) layer unit to perform a part of a concatenation function, a segmentation function, and a reassembly function of a Radio Link Control (RLC) layer unit that is a sublayer of Layer 2, and may decrease a number of Packet Data Convergence Protocol Packet Data Units (PDCP PDUs) to be processed by the RLC layer unit. | 02-17-2011 |
20110069837 | METHOD OF TRANSMITTING USER MESSAGE, TERMINAL AND BASE STATION USING THE METHOD - When transmitting a user message, in a call setting period of a base station and a terminal and a radio connection state between a base station and a terminal, whenever a data transmittable channel resource is available, user messages of an amount corresponding to the available channel resource are transmitted. Therefore, user messages can be divided and transmitted according to an available channel in a call setting period. | 03-24-2011 |
20110070880 | METHOD FOR HANDOVER IN MULTI-CARRIER SYSTEM - When a terminal moves from a serving cell to a target cell, the carrier in use is switched to the primary carrier of the serving cell and then handed over to the target cell. Hereupon, handover is performed by switching the carrier used by the terminal operating with the primary carrier of the serving cell to the primary carrier of the target cell to perform handover. When the terminal has fully entered the target cell, the best carrier is selected from among the carriers available to the target cell, thus allowing the terminal to perform frequency conversion to the best carrier. | 03-24-2011 |
20110080885 | APPARATUS AND METHOD FOR MANAGEMENT OF EXTENSION CARRIER IN BASE STATION - Provided are an extension carrier managing apparatus of a base station and a method thereof. When an extension carrier is to be added in a terminal, the extension carrier managing apparatus may compare propagation characteristics of available extension carriers with a propagation characteristic of a stand-alone carrier being used by a terminal, and may set an extension carrier having a transmission range being less than or equal to the stand-alone carrier, and has a penetration loss being greater than or equal to the stand-alone carrier and thus, may set the extension carrier where a coverage-hole does not occur. | 04-07-2011 |
20110149913 | METHOD AND SERVING BASE STATION FOR DETERMINING HANDOVER TYPE, AND METHOD FOR HANDOVER BETWEEN BASE STATIONS IN WIRELESS MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - Provided are a method and a base station for determining a handover type, and a method for handover between base stations in a wireless communication system using carrier aggregation. A serving base station may collect measurement information required to determine an optimal frequency band set from a neighboring base station and a user equipment. The serving base station may determine an optimal frequency band set for downlink handover and uplink hand over, and determine a type of the downlink handover and the uplink handover by performing data processing of the collected measurement information. | 06-23-2011 |
20120039202 | DEVICE IN WIRELESS NETWORK, DEVICE RESOURCE MANAGEMENT APPARATUS, GATEWAY AND NETWORK SERVER, AND CONTROL METHOD OF THE NETWORK SERVER - Provided is a device resource management apparatus in a wireless network, the device resource management apparatus including an access mode selection module to select a predetermined access mode among a plurality of access modes for a device, each of the plurality of access modes determining a type of a medium included in an access route between the device and an opponent device, and a device agency module to obtain an agent profile corresponding to the device when an access route between the device and the opponent device is formed according to the predetermined access mode, and to perform, as a proxy for the device, at least one function defined by the agent profile. | 02-16-2012 |
20120120794 | METHOD AND APPARATUS FOR CONTROLLING TRAFFIC - A method for controlling traffic in a mobile communication network is provided. A traffic control apparatus checks locations of a calling terminal and a receiving terminal, and determines whether to perform terminal-to-terminal direct communication based on the locations of the calling terminal and the receiving terminal. A base station of the calling terminal and a base station of the receiving terminal instruct the calling terminal and the receiving terminal to perform the terminal-to-terminal direct communication when the terminal-to-terminal direct communication is determined to be performed. | 05-17-2012 |
20120155306 | BASE STATION AND OPERATING METHOD THEREOF - A base station measures an amount of traffic within a downlink buffer. If the measured amount of traffic is larger than a threshold value, the base station adjusts a ratio of an available interval and an unavailable interval according to a ratio of the amount of traffic against the threshold value and length of a superframe. If the measured amount of traffic is smaller than the threshold value, the base station adjusts a ratio of the available interval and the unavailable interval according to a ratio of the threshold value against the amount of traffic and length of the superframe. | 06-21-2012 |
20120157153 | WIRELESS COMMUNICATION SYSTEM AND METHOD OF OPERATING THE SAME FOR LOW POWER CONSUMPTION OF TERMINAL DEVICE - The wireless communication system is configured to adaptively change a status report (SR) cycle and a discontinuous reception (DRX) cycle on the basis of a quality of a radio link between a terminal device and a network device. When the quality of the radio link is good, the DRX cycle or the SR cycle is lengthened accordingly, and when the quality of the radio link is poor, the DRX cycle or the SR cycle is shortened accordingly. Furthermore, when the quality of the radio link is good for a long time, the power consumption can be significantly reduced by turning off the terminal device, and after a certain time, turning on the device. | 06-21-2012 |
20120165032 | METHOD OF CONTROLLING INTEFERENCE FROM FEMTO CELLS IN CONSIDERATION OF MACROCELL - A method of controlling femtocell interference considering a macrocell is provided. The method of controlling the interference includes a method of setting transmission power of the femtocell and methods of avoiding the interference of the femtocell. The methods of avoiding the interference include a PRB rotation method, a PRB transmission power restriction method, a hybrid method and a UB rotation method. The method of setting the transmission power and the methods of avoiding the interference may be implemented independently or implemented in combination with each other. Hence, according to the present invention, the femtocell itself can control the interference without affecting an interface of an existing macrocell base station and without signaling through the interface with the macrocell. | 06-28-2012 |
20130084868 | SYSTEM AND METHOD FOR MULTI-HIERARCHICAL CELL CONFIGURATION - Provided is a system and method for configuring a multi-hierarchical cell in which a large-scale mobile backhaul technology and a small cell technology are combined. A mobile backhaul may increase a transmission capacity of a wireless backhaul using a super high frequency (SHF)/extremely high frequency (EHF) band, rather than a cellular band having a limitation in extending frequency resources, and a small group cell to be formed at a final end of the mobile backhaul may be configured by fixed group cells or mobile group cells depending on a radio environment, using a moving relay, wireless fidelity (WiFi), femto-cells, and the like, whereby cells may be miniaturized effectively, and a relatively great capacity of a wireless system may be provided to a subscriber. | 04-04-2013 |
20130196652 | METHOD AND APPARATUS FOR SETTING COMMUNICATION TARGET IN WIRELESS COMMUNICATION SYSTEM - Provided is a method and apparatus for setting a communication target in a wireless communication system. A method of setting, by a setting device, a communication target in a wireless communication system may include: obtaining a synchronization and a characteristic of a target device by receiving a signal transmitted from the target device during a predetermined period of time; transmitting setting information to the target device based on the synchronization and the characteristic of the target device; and completing setting of the communication target by receiving setting response signal from the target device. | 08-01-2013 |
20130202309 | METHOD OF PERFORMING HANDOVER IN WIRELESS OPTICAL COMMUNICATION AND MOBILE STATION USING THE SAME - In a wireless optical communication system, while a mobile station including a wireless optical transmitting/receiving apparatus, i.e., an optical mobile station (OMS), is mounted in a moving object and moves, the mobile station performs handover from a previous optical base station (OBS) to a new OBS. Here, the mobile station may include at least one OMS, and when the mobile station includes two OMSs, soft handover is performed, and when the mobile station includes one OMS, hard handover is performed. | 08-08-2013 |
20130231150 | APPARATUS AND METHOD FOR SHF/EHF BAND WIRELESS TRANSMISSION ON MULTI-LEVEL CELL CONFIGURATION - Provided is an apparatus for super high frequency (SHF)/extremely high frequency (EHF) band wireless transmission on a multi-level configuration. The apparatus may include a list managing unit to receive and manage a first list associated with an SHF/EHF band signal from a terminal connected to a wireless network, a path finding unit to select a path having a communication quality value greater than or equal to a first threshold value by referring to the first list, and a scheduling unit to schedule available SHF/EHF band radio resources for the selected path. | 09-05-2013 |
20140106768 | METHOD OF TRANSMITTING USER MESSAGE, TERMINAL AND BASE STATION USING THE METHOD - When transmitting a user message, in a call setting period of a base station and a terminal and a radio connection state between a base station and a terminal, whenever a data transmittable channel resource is available, user messages of an amount corresponding to the available channel resource are transmitted. Therefore, user messages can be divided and transmitted according to an available channel in a call setting period. | 04-17-2014 |
20140153423 | METHOD FOR HANDOVER OF TERMINAL USING MULTI-CONNECTION IN CELLULAR COMMUNICATION SYSTEM - A method for handover of a terminal using a multi-connection in a cellular communication system is disclosed. The method for handover according to the present invention includes a multi-connection setting procedure of setting a connection to a second base station in addition to a connection to a first base station according to movement of a terminal in a direction from the first base station to the second base station, and a connection release procedure of releasing the connection to the first base station. Specifically, the present invention may be applied in a multi-beam management environment of super high frequency (SHF) and extremely high frequency (EHF) bandwidths, and may obtain an effect of decreasing signaling overhead and process latency of a conventional handover method. | 06-05-2014 |
Patent application number | Description | Published |
20100137702 | APPARATUS FOR MEASURING PHYSIOLOGICAL SIGNAL OF VEHICLE DRIVER - An apparatus for measuring a physiological signal of a vehicle driver includes: a conductive fabric electrode coated on a target object within a vehicle and detecting a physiological current of a driver when it comes in contact with the driver; and a signal generating unit generating an electrical signal corresponding to the physiological current. | 06-03-2010 |
20100145209 | APPARATUS FOR MEASURING AMOUNT OF EXERCISE, SYSTEM FOR MEASURING AMOUNT OF EXERCISE, AND METHOD FOR MEASURING AMOUNT OF EXERCISE - An apparatus for measuring the amount of exercise, a system for measuring the amount of exercise, and a method for measuring the amount of exercise are disclosed. The apparatus for measuring the amount of exercise includes: an exercise amount measuring unit that measures the amount of exercise of a user; a controller that generates information about exercise of each period from the amounts of exercise of the user measured at every predefined period; a memory unit that sequentially stores the information about the exercise of each period; and a communication unit that transmits the stored information about the exercise of each period to the exterior. | 06-10-2010 |
20110009729 | APPARATUS FOR MEASURING PHYSIOLOGICAL SIGNALS - Provided is an apparatus for measuring physiological signals by distributing modules according to functions. The physiological signal measuring apparatus includes first and second detection electrodes, a physiological signal detection module, a power supply module, and a connection line. The first and second detection electrodes are adhered to a target skin to detect physiological signals. The physiological signal detection module is installed at the first detection electrode to generate physiological signal data from the physiological signals detected by the first and second detection electrodes. The power supply module is installed at the second detection electrode to supply power to the physiological signal detection module. The connection line connects the physiological signal detection module and the power supply module. | 01-13-2011 |
20120135383 | MEAL PLATE FOR GUIDING CORRECT EATING HABITS AND ADJUSTING AMOUNT OF MEAL - A meal plate includes: a plurality of container receiving parts for receiving a container to serve food; an input part for inputting the kind of the food served in the container which is received in the container receiving parts; a measuring part disposed under the container receiving part for measuring information of the food served in the container; a storage part for storing the information of the food measured in the measuring part; and a communication part for transmitting the information of the food stored in the storage part to a user terminal. | 05-31-2012 |
20130150741 | BIO-SIGNAL TRANSFER DEVICE, VEHICLE CONTROL DEVICE, VEHICLE AUTOMATIC CONTROL SYSTEM AND METHOD USING THEREOF - Disclosed is a bio-signal transfer device which includes a bio-signal measuring unit which includes at least one sensor and measures a bio-signal of a driver through the sensor; a signal processing unit which removes noise from the bio-signal and converts the noise-removed bio-signal into a digital signal; and a transmission unit which transfers the digital signal by wireless. | 06-13-2013 |
20130165799 | BIO-SIGNAL TRANSFER DEVICE, BIO-SIGNAL MONITORING SYSTEM, AND METHOD USING THE SAME - Disclosed is a bio-signal monitoring system which includes a bio-signal transfer device which measures and analyzes a bio-signal and sends the analyzed bio-signal and first identification information; a reception device which includes at least one or more receivers, each receiver transferring information received from the bio-signal transfer device and second identification information; and a monitoring server which analyzes information received from each receiver and judges location and physical condition of a user, wherein the first identification information includes ID of the user and ID of the bio-signal and the second identification information includes ID of the receiver. | 06-27-2013 |