Nguyen, KR
Duc-Dung Nguyen, Suwon-Si KR
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20090245586 | IMAGE PROCESSING APPARATUS AND METHOD FOR REAL-TIME MOTION DETECTION - An image processing apparatus and method for real time motion detection is provided. In the apparatus, a sub-sampling module receives and sub-samples a current image and a plurality of previous images and a census transform module performs census transform on each of the sub-sampled images to obtain a census vector. A correlation calculation module calculates and compares correlation values between the current image and the plurality of previous images and detects a region having highest correlation. A motion detection module tracks positions of pixels corresponding to the region having the highest correlation to detect motion information in the images. The image processing apparatus and method can obtain, in real time, the direction and speed of an object that is in motion in each image. | 10-01-2009 |
20100329511 | Apparatus and method for detecting hands of subject in real time - An apparatus and method can effectively detect both hands and hand shape of a user from images input through cameras. A skin image detecting skin regions from one of the input images and a stereoscopic distance image are used. For hand detection, background and noise are eliminated from a combined image of the skin image and the distance image and regions corresponding to actual both hands are detected from effective images having a high probability of hands. For hand shape detection, a non-skin region is eliminated from the skin image based on the stereoscopic distance information, hand shape candidate regions are detected from the remaining region after elimination, and finally a hand shape is determined. | 12-30-2010 |
Duy Cuong Nguyen, Daejeon KR
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20090002123 | Ti(N) thin-film resistor deposited on ALN substrate and attenuator using same - The present invention relates to a thin-film resistor for an attenuator that is utilized in the fourth generation mobile communication, and more specifically, to a thin-film resistor having a Ti(N) thin film formed on an aluminum nitride (ALN) substrate. | 01-01-2009 |
Duy-Linh Nguyen, Seoul KR
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20140372542 | METHOD AND APPARATUS FOR PROPAGATING A MESSAGE IN A SOCIAL NETWORK - A method and an apparatus for propagating a message in a social network are disclosed. A method for propagating a message in a social network according to an embodiment of the invention can include: calculating a degree of connectivity of each user; calculating a propagation capability of each user by using the calculated degree of connectivity and a probability of distribution; choosing target users for propagating a message by using the propagation capability of each user; and propagating the message to nodes of the chosen target users. | 12-18-2014 |
Hieu Si Nguyen, Seoul KR
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20130252068 | MANUFACTURING METHOD OF HIGH-PERFORMANCE SILICON BASED ELECTRODE USING POLYMER PATTERN ON CURRENT COLLECTOR AND MANUFACTURING METHOD OF NEGATIVE ELECTRODE OF RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a silicon nanostructured material with theoretical storage capacity of energy resulting from electrochemical reaction with lithium improved more than 10 times as compared to the existing graphite material and having superior output characteristics, an electrode including the same, and a secondary battery and an electrochemical capacitor including the electrode as a negative electrode. The physical stability of the electrode active material is improved and an electrode with high performance can be obtained. Since more energy can be stored as compared to the graphite material of the same thickness and high-output performance can be achieved through the nanostructure, energy density can be remarkably improved as compared to the existing lithium-ion battery by about 2 times. An asymmetric lithium-ion secondary battery including the electrode active material is applicable to storage of renewable energy, ubiquitous power source, power supply for machinery and vehicles, or the like. | 09-26-2013 |
Hoai Nam Nguyen, Daejeon KR
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20110150138 | HIGH LINEARITY MIXER AND DIRECT CONVERSION RECEIVER USING THE SAME - A direct conversion receiver includes: a high linearity mixer device including a sampler unit charge-sampling an input current according to a sampling frequency, and a buffer unit receiving an output signal from the sampler unit while having a low input impedance, amplifying the received signal, and outputting a current signal; and a filter device decimating an output signal from the mixer device and FIR-filtering the decimated signal. | 06-23-2011 |
20140169512 | DIRECT CONVERSION RECEIVER INCLUDING A CHARGE AREA DECIMATION FILTER - A direct conversion receiver includes: a high linearity mixer device including a sampler unit charge-sampling an input current according to a sampling frequency, and a buffer unit receiving an output signal from the sampler unit while having a low input impedance, amplifying the received signal, and outputting a current signal; and a filter device decimating an output signal from the mixer device and FIR-filtering the decimated signal. | 06-19-2014 |
Hoang Viet Phuc Nguyen, Seoul KR
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20150303507 | CATHODE FOR MOLTEN CARBONATE FUEL CELLS HAVING STRUCTURE PROVIDING NEW ELECTROCHEMICAL REACTION SITES, METHOD FOR PREPARING THE SAME, AND METHOD FOR IMPROVING CATHODE PERFORMANCE BY WETTABILITY CONTROL ON MOLTEN CARBONATE ELECTROLYTE FOR MOLTEN CARBONATE FUEL CELLS - By forming a structure wherein an oxygen ionic conductor or a mixed ionic-electronic conductor (MIEC) on a cathode surface is not covered by a molten carbonate electrolyte using an oxygen ionic conductor or a mixed ionic-electronic conductor having poor wettability on the molten carbonate electrolyte, a new electrochemical reaction site may be provided in addition to that provided by the molten carbonate electrolyte. As a result, cell performance, particularly cathode performance, can be improved even at low operation temperatures (e.g., 500-600° C.). | 10-22-2015 |
Huu Tung Nguyen, Daejeon KR
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20110098239 | NOVEL DIARYL HEPATONOID-BASED COMPOUNDS AND USE THEREOF - The present invention relates to a diaryl hepatonoid-based compound of formula (1) having viral inhibitory activity; its pharmaceutically acceptable salt; or a hydrate, a solvate or a prodrug of any of the foregoing, and a pharmaceutical composition comprising the same, and the use thereof therapeutic agents. The diaryl hepatonoid-based compounds according to present invention have an excellent effect of inhibiting viral activity, and thus will be useful as therapeutic agents against virus-related diseases. | 04-28-2011 |
20110098261 | TRITERPENOID-BASED COMPOUNDS USEFUL AS VIRUS INHIBITORS - The present invention relates to the use of triterpenoid-based compounds of formula (1) for inhibiting viral activity. The triterpenoid-based compounds have an excellent effect of inhibiting viral activity, and thus will be useful as therapeutic agents against virus-related diseases. | 04-28-2011 |
20110105738 | DIARYL HEPATONOID-BASED COMPOUNDS USEFUL AS VIRUS INHIBITORS - The present invention relates to the use of diaryl hepatonoid-based compounds of formula (1) for inhibiting viral activity. The diaryl hepatonoid-based compounds have an excellent effect of inhibiting viral activity, and thus will be useful as therapeutic agents against virus-related diseases. | 05-05-2011 |
20110124740 | NOVEL DIARYL HEPATONOID-BASED COMPOUNDS AND USE THEREOF - The present invention relates to a diaryl hepatonoid-based compound of formula (1) having viral inhibitory activity; its pharmaceutically acceptable salt; or a hydrate, a solvate or a prodrug of any of the foregoing, and a pharmaceutical composition containing the same, and the use thereof therapeutic agents. The diaryl hepatonoid-based compound has an excellent effect of inhibiting viral activity, and thus will be useful as therapeutic agents against virus-related diseases. | 05-26-2011 |
Khanh-Loc Nguyen, Anyang-Si KR
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20140088778 | CONTROL DEVICE FOR DISTRIBUTED GENERATORS - A control device for distributed generators connected to a power main grid includes: a load power measuring unit measuring power consumption of loads connected to the plurality of distributed generators; a distributed generator power measuring unit measuring powers outputted from the plurality of distributed generators; a power flow reference value determining unit determining a power flow reference value of a power line connected to the main grid based on the power consumption and the distributed generator output power; and a mode control unit changing the operation mode of at least one of the plurality of distributed generators such that the flow power of the power line connected to the main grid maintains the reference value. | 03-27-2014 |
20140139027 | CONTROL DEVICE FOR HYBRID ELECTRIC POWER SYSTEM - A electric power control device for a hybrid electric power system according to the present disclosure includes an electric power measuring unit that is configured to measure output electric power of the electric power system, and a controller that is configured to control operations of a first electric power generator and a second electric power generator of the electric power system based on a preset control mode and the measured output electric power, wherein the controller controls an output voltage of the first electric power generator to be a first offset voltage corresponding to an output of the second electric power generator for a first time when the output of the second electric power generator is controlled to be switched from an ON state into an OFF state. | 05-22-2014 |
20140188300 | METHOD OF CONTROLLING DISTRIBUTED POWER SUPPLIES - A method of controlling distributed power supplies is provided. In the method of controlling one or more distributed power supplies included in a microgrid, as a feeder flow control mode, an operation mode of a first distributed power supply is set, which is firstly connected to a common coupling point of the microgrid and a main grid. A second distributed power supply is selected, which is different from the first distributed power supply. A next operation mode of the second distributed power supply is determined on a basis of a current operation mode of the selected second distributed power supply and output power of the first distributed power supply. The next operation mode of the second distributed power supply is set as one of the feeder flow control mode or a unit power control mode according to the determined result. | 07-03-2014 |
Minh Khanh Nguyen, Suwon-Si KR
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20110217376 | POLY(AMIDOAMINE) OLIGOMER HYDROGEL FOR DRUG DELIVERY AND DRUG CARRIER USING THE SAME - Disclosed is a temperature- and pH-sensitive hydrogel composed of a poly(amidoamine) oligomer only. The hydrogel is prepared in a simple manner and is readily released from the body. Further disclosed are a method for preparing the hydrogel and a drug carrier using the hydrogel. | 09-08-2011 |
Minh Khanh Nguyen, Gyeonggi-Do KR
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20080293827 | Temperature and Ph Sensitive Block Copolymer and Polymeric Hydrogels Using the Same - Disclosed is a block copolymer formed by coupling the following components with each other: (a) a copolymer (A) of a polyethylene glycol (PEG) type compound with a biodegradable polymer; and (b) at least one oligomer (B) selected from the group consisting of poly(β-amino ester) and poly(amido amine). A method for preparing the same block copolymer, and a polymeric hydrogel type drug composition comprising the temperature and pH-sensitive block copolymer and a physiologically active substance that can be encapsulated with the block copolymer are also disclosed. The multiblock copolymer is obtained by copolymerization of a pH-sensitive poly(β-amino ester) and/or poly(amido amine) type oligomer, a hydrophilic and temperature-sensitive polyethylene glycol type compound and a hydrophobic and biodegradable polymer. Therefore, the block copolymer can form a polymeric hydrogel structure due to its amphiphilicity resulting from the combination of a hydrophilic group and a hydrophobic group in the copolymer and ionization characteristics depending on pH variations, and thus can be used as a drug carrier for target-directed drug delivery depending on pH variations in the body. | 11-27-2008 |
Nguyen Khanh Nguyen, Seoul KR
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20120100364 | METHOD FOR ARRANGING FINE PARTICLES ON SUBSTRATE BY PHYSICAL PRESSURE - Provided is a method of arranging particles on a substrate, the method including: (a) preparing a substrate, a surface of which has depressions or projections capable of fixing the positions and/or orientations of one or more particles; and (b) placing the particles on the substrate and applying a physical pressure to the particles so that a portion or the whole of each particle is inserted in each of pores defined by the depressions or the projections. Provided is also a method of arranging particles on a substrate, the method including: (a) preparing a substrate, at least a surface portion of which has adhesive property; and (b) placing particles, which do not have flat facets but curved surfaces, on the substrate and applying a physical pressure to the particles so that the particles are immobilized on adhesive surface portions of the substrate. | 04-26-2012 |
Quoc Viet Nguyen, Seoul KR
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20100308158 | FLAPPING APPARATUS WITH LARGE FLAPPING ANGLES - The present invention provides a flapping apparatus with a large flapping angle. The flapping apparatus includes a frame, a drive motor, a slider, connection links, actuating links and wings. The frame includes I-shaped plates which face each other in parallel, and coupling rods which couple the opposite corners of the upper ends of the I-shaped plates to each other. The drive motor is fastened to the frame such that a rotating shaft thereof is disposed inside the frame. The slider includes lateral bars which are reciprocated upwards and downwards. The connection links are rotatably coupled at first ends thereof to both ends of the lateral bar. The actuating links are rotatably coupled at first ends thereof to second ends of the connection links. The actuating links are rotatably coupled at second ends thereof to the coupling rods. The wings are respectively attached to the upper surfaces of the actuating links. | 12-09-2010 |
Thach Ba Nguyen, Suwon-Si KR
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20140157197 | DISPLAY APPARATUS AND METHOD FOR PROVIDING USER MENU THEREOF - A display apparatus and a method for providing a user menu are provided. The method for providing a user menu of a display apparatus includes displaying an electronic manual to explain a setting item of the display apparatus and, if a command to add one setting item from among a plurality of setting items included in the electronic manual is input, adding the setting item to a user menu. Accordingly, a user may recognize the functions provided by the display apparatus better and more accurately and add a setting item corresponding to a frequently-used function to the user menu. | 06-05-2014 |
Thanh Hai Nguyen, Gyeongsan-Si Gyeongsangbuk-Do KR
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20160049880 | HIGH-VOLTAGE DIRECT CURRENT CONVERTER - The present invention relates to a high-voltage direct current (HVDC) converter comprising: a 12-pulse diode rectifier having two three-phase bridge diode rectifiers connected in series to rectify, to 12 pulses, alternating current (AC) power inputted from a point of connection on the sea; and a voltage-source converter connected in series to a lower end of the 12-pulse diode rectifier, wherein the voltage-source converter controls a voltage of the AC power inputted from the point of connection on the sea and a DC link voltage of the voltage-source converter. | 02-18-2016 |
Thanh Luan Nguyen, Miryang-Si, Gyeongsangnam-Do KR
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20150361223 | NOVEL POLYMER MATERIAL FOR HIGHTLY EFFICIENT ORGANIC THIN-FILM SOLAR CELL, AND ORGANIC THIN-FILM SOLAR CELL USING SAME - The present invention relates to a novel polymeric material for a highly efficient organic thin-film solar cell with high hole mobility and power conversion efficiency. In the polymeric material, a compound containing an electron donating group represented by Formula 1 or 2 and a compound containing an electron accepting group represented by one of Formulae 3 to 8 are repeatedly introduced in an alternating manner. | 12-17-2015 |
Thanh Tien Nguyen, Seoul KR
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20150192481 | FLEXIBLE DISPLAY DEVICE AND CONTROL METHOD THEREOF - A flexible display device including a flexible display panel which displays an image, a strain gauge disposed in the flexible display panel, where the strain gauge senses a strain in the flexible display panel and generates a detection signal based on the sensed strain, a strain controller which receives the detection signal and outputs a strain compensation voltage based on the detection signal, and a strain compensation layer disposed on a surface of the flexible display panel and which receives the strain compensation voltage, where a thickness of the strain compensation layer may be controlled based on the strain compensation voltage such that a neutral plane of the flexible display device is maintained in a predetermined reference area in the flexible display panel. | 07-09-2015 |
Thanh Tien Nguyen, Suwon-Si KR
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20140060210 | PRESSURE SENSOR AND PRESSURE SENSING METHOD - A pressure sensor and a pressure sensing method are provided. The pressure sensor includes a substrate; a sensor thin film transistor (TFT) disposed on the substrate and including a gate insulating layer, wherein the gate insulating layer includes an organic matrix in which piezoelectric inorganic nano-particles are dispersed; a power unit configured to apply an alternating current (AC) signal to a gate of the sensor TFT; and a pressure sensing unit configured to obtain a remnant polarization value based on a drain current which is generated in response to the AC signal and detected by the sensor TFT, and to sense a pressure based on the remnant polarization value. | 03-06-2014 |
Thi Huong Giang Nguyen, Seoul KR
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20100131933 | System and Method for translating high programming level languages code into Hardware Description Language code - The present invention is directed to a method and system for translating a high programming level language code such as C, C++, Fortran, Java or the like into a HDL code such as Verilog or VHDL. The system includes: a C-to-C source translator which reads user API from a translation-targeted high level language code marked with the user API, separates the translation-targeted high level language code into a hardware code part and a software code part, and stores the hardware code part and the software code part in separate files; a main compiler which compiles the stored software code part; a translator which translates the stored hardware code part into a HDL code including one or more block modules and one top module; a main core which executes the compiled software code part; and a dedicated hardware which executes the HDL code. | 05-27-2010 |
20100131934 | SYSTEM AND METHOD FOR TRANSLATING HIGH-LEVEL PROGRAMMING LANGUAGE CODE INTO HARDWARE DESCRIPTION LANGUAGE CODE - The present invention is directed to a method and system for translating a high-level language (HLL) code such as C, C++, Fortran, Java or the like into a HDL code such as Verilog or VHDL which requires no modification in the original HLL source code, while supporting a cross call between software and hardware, and even recursive calls in hardware. The system includes: a HLL-to-HLL source translator which reads user programming directive from a translation-targeted high-level language code marked with the user directive, and separates the translation-targeted high-level language code into a hardware code part and a software code part; a main compiler which compiles the software code part; a HLL-to-HDL translator which includes the front-end and middle-end of the main compiler and a HDL backend; a main core which executes the compiled software code part; and a dedicated hardware which executes the HDL code. | 05-27-2010 |
Thi Thanh Tuyen Nguyen, Seoul KR
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20150294464 | METHOD AND APPARATUS FOR IDENTIFYING LIVING EYE - The present invention relates to a method and apparatus for identifying a living eye, in which IR LED lighting and lighting for varying the ambient illumination are installed on the front surface or one side of an iris recognition camera so as to determine whether an iris of an eye is an iris of a living eye when capturing an iris image by the iris recognition camera, using one or more criteria of whether the ratio of the sizes of the iris and pupil changes by the variation of the ambient illumination, whether the number or location of the IR LEDs focused on the iris and/or the pupil changes, whether the region of the iris image changes by eye blinking, and whether the direction of the gaze changes. | 10-15-2015 |
Thi Thuy Hang Nguyen, Suwon-Si KR
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20120165444 | Novel Phosphorus Compound, Method of Preparing the Same and Flame Retardant Thermoplastic Resin Composition Including the Same - Disclosed herein is a phosphorus compound represented by Formula 1: | 06-28-2012 |
Thi Xuyen Nguyen, Suwon-Si KR
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20090107842 | Method for manufacturing polyimide-based carbon nanofiber electrode and/or carbon nanotube composite electrode and CDI apparatus using the electrode - A method to manufacture a carbon fiber electrode comprises synthesizing polyamic acid (PAA) as a polyimide (PI) precursor from pryomellitic dian hydride (PMDA) and oxydianiline (ODA) as monomers and triethylamine (TEA) as a catalyst, adding dimethylformamide (DMF) to the polyamic acid (PAA) solution to prepare a spinning solution and subjecting the spinning solution to electrostatic spinning at a high voltage to obtain a PAA nanofiber paper, converting the PAA nanofiber paper into a polyimide (PI) nanofiber paper by heating, and converting the polyimide (PI) nanofiber paper into a carbon nanofiber (CNF) paper by heating under an Ar atmosphere. Also, the method to manufacture a polyimide carbon nanofiber electrode and/or a carbon nanotube composite electrode may utilize carbon nanofibers having diameters that are lessened by optimizing electrostatic spinning in order to improve spinnability. | 04-30-2009 |
Thuy Ngoc Thuy Nguyen, Suwon-Si KR
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20120138458 | CELL-BASED TRANSPARENT SENSOR CAPABLE OF REAL-TIME OPTICAL OBSERVATION OF CELL BEHAVIOR, METHOD FOR MANUFACTURING THE SAME AND MULTI-DETECTION SENSOR CHIP USING THE SAME - The present invention relates to a cell-based transparent sensor capable of the real-time optical observation of cell behavior, to a method for manufacturing same, and to a multi-detection sensor chip using same. More particularly, the present invention relates to a cell-based transparent sensor capable of the real-time optical observation of cell behavior, to a method for manufacturing same, and to a multi-detection sensor chip using same, wherein the sensor can sense the ionic concentration of an electrolyte in accordance with the variation in the metabolic activity of cells using an ion-selective field effect transistor (ISFET) sensor and an electrochemical sensor, and the sensor is made of a transparent material which enables real-time observations of optical phenomenon for measurement of cell behavior. | 06-07-2012 |
Tien-Dung Nguyen, Changwon-Si KR
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20130143572 | METHOD AND SYSTEM FOR HANDOVER OF TERMINAL - In a radio communication system of hierarchical cell structure in which macrocells provided by a macro base station and femto cells provided by a femto base station are overlapped on each other, a method and a system for handing over a terminal are provided. To be specific, if load of a serving base station increase or decreases more than a predetermined extent, a method and a system adaptively adjust the handover between macro base stations, between femto base station, or between femto base station and macro base station. | 06-06-2013 |
Trung-Kien Nguyen, Daejeon-City KR
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20090156158 | SUPER REGENERATIVE RECEIVER AND METHOD OF SAVING POWER OF THE SAME - A low power super regenerative receiver and a method of reducing the power consumption of the low power super regenerative receiver are provided. The super regenerative receiver includes: an oscillator having a start-up time period starting oscillation that varies according to an existence of an input signal; and a power controller supplying power within the start-up time period of the oscillator. | 06-18-2009 |
20110006824 | WAKE-UP RECEIVER AND WAKE-UP METHOD USING DUTY CYCLING AND POWER OFF TECHNIQUE - Provided is a low-power wake-up receiver that is sensitive to electric waves, by which power consumed by a radio frequency (RF) transceiver of a sensor node in a ubiquitous sensor network (USN) is minimized. A wake-up receiver waking up a main transceiver includes a duty cycle signal generation unit controlling a duty cycle of a duty cycle signal; a burst signal detection unit receiving an input signal including a burst signal and a data signal based on the duty cycle signal, amplifying the input signal, and, if the amplified input signal is the burst signal, outputting a control signal; and a data signal detection unit re-amplifying the amplified input signal based on the control signal, and, if the re-amplified input signal is the data signal, outputting a wake-up signal. Power supplied to the duty cycle signal generation unit is interrupted based on the control signal and power is re-supplied to the duty cycle signal generation unit based on the wake-up signal. | 01-13-2011 |
Trung Thanh Nguyen, Suwon-Si KR
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20150366191 | ANTIMICROBIAL METHOD BY BLOCKING MANNITOL METABOLISM AND ANTIMICROBIAL COMPOSITION CONTAINING MANNITOL METABOLIC INHIBITOR - The present invention relates to an antimicrobial method of killing bacteria having a mannitol metabolic pathway by inhibition of a mannitol metabolism, a method of screening a mannitol metabolic inhibitor, and an antimicrobial composition and cosmetic material containing a mannitol metabolic inhibitor. More particularly, the present invention relates to an antimicrobial method targeted at mannitol dehydrogenase such as mannitol-1-phosphate-5-dehydrogenase (M1PDH), a method of screening an inhibitor, and a composition. Therefore, the antimicrobial method, antimicrobial composition, and cosmetic material which solve a problem of antibiotic resistance and have an excellent antimicrobial effect may be provided. | 12-24-2015 |
Tuan-Anh Nguyen, Seoul KR
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20150235100 | IMAGE PROCESSING SYSTEM AND METHOD - An image processing system and method is provided. The image processing system includes extracting a first local statistical characteristics from an observed image, generating a low-pass filter according to the first local statistical characteristics to generate a predicted noise image, and extracting second local statistical characteristics from the predicted noise image, extracting a third local statistical characteristics from a predicted original image using the first local statistical characteristics of the observed image and the second local statistical characteristics of the predicted noise image, and setting a flag level indicating a noise level for each pixel of the observed image according to the third local statistical characteristics of the predicted original image to detect noise, and setting a filter coefficient according to the flag level of the detected noise to remove the noise, and restoring the observed image. | 08-20-2015 |
Tuan Quang Nguyen, Daejon KR
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20100070506 | Query Expansion Method Using Augmented Terms for Improving Precision Without Degrading Recall - A query expansion method that improves the precision without degrading the recall, uses augmented terms. The method steps expand an initial query by adding new terms that are related to each term of the initial query. The query is further expanded by adding augmented terms, which are conjunctions of the terms. A weight is assigned to each term so that the augmented terms have higher weights than the other terms. | 03-18-2010 |
Tuong Thuy Nguyen, Suwon-Si KR
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20090245687 | IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING LINES OF IMAGES AND START AND END POINTS OF LINES - Disclosed herein is an image processing method and apparatus for detecting the lines of images and the start and end points of the lines. The image processing apparatus includes an edge creation unit, a Hough transform unit, and an effective parameter detection unit. The edge creation unit creates an edge image using external image data input from the outside. The Hough transform unit performs a Hough transform on information about the pixel coordinates of the edge image created by the edge creation unit. The effective parameter detection unit detects the lines of the edge image by checking effective line parameters using the results of the Hough transform. The image processing apparatus may further include an edge list for storing coordinates of effective pixels constituting the edge image and a line parameter list for storing the effective line parameters. | 10-01-2009 |
20100202703 | REAL-TIME FACE DETECTION APPARATUS - Disclosed herein is a real-time face detection apparatus. The real-time face detection apparatus includes a down-scaling unit and a face region comparison unit. The down-scaling unit down-scales an input image at at least one ratio. The face region comparison unit creates a plurality of windows for the image down-scaled at the at least one ratio, acquires face region confidence of each of window images within the created windows by comparing the window image with a classifier, and determines whether the window image corresponds to a face region. | 08-12-2010 |
20130202159 | APPARATUS FOR REAL-TIME FACE RECOGNITION - Disclosed herein is a real-time face recognition apparatus and method. A real-time face recognition apparatus includes a face detection unit for detecting a face image by obtaining image coordinates of a face from an input image. An eye detection unit obtains image coordinates of both eyes in the face image. A facial feature extraction unit generates feature histogram data based on parallel processing from the face image. A DB unit stores predetermined comparative feature histograms. A histogram matching unit compares the histogram data generated by the facial feature extraction unit with the comparative feature histograms, and then outputting similarities of face images. The face recognition apparatus may be implemented as internal hardware in which a VGA camera and an exclusive chip interface with each other, thus remarkably reducing a system size and installation cost, and performing face recognition in real time without requiring additional equipment. | 08-08-2013 |
Tuyen Nguyen, Seoul KR
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20140250517 | AUTHENTICATION METHOD AND DEVICE USING A SINGLE-USE PASSWORD INCLUDING BIOMETRIC IMAGE INFORMATION - The present invention relates to an authentication method and device using a single-use password generated from iris image information. The device comprises: a terminal and a server storing, in respective memories thereof, the iris image information for authentication; a camera attached to and installed on the device to capture the iris image information for authentication; the terminal, which generates the single-use password from the iris image information acquired through the camera, and transmits the single-use password to the server; and the server, which has a built-in algorithm for comparing and determining whether or not the single-use password transmitted from the terminal matches single-use password stored in the server. | 09-04-2014 |
Van Canh Nguyen, Suwon-Si KR
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20150063092 | METHOD OF RECEIVING OR TRANSMITTING A PACKET, TERMINAL THEREOF, AND SYSTEM THEREOF - A method of receiving a packet by a receiving terminal is provided. The method includes receiving one or more packets including information about an event which belongs to a same kind of event from a transmitting terminal, and selecting at least one packet from among the received one or more packets based on time information of a certain point of time at the certain point of time. | 03-05-2015 |
Van Phuc Nguyen, Suwon-Si KR
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20140139323 | NFC TAG AND SMART DEVICE FEATURING NFC - An NFC tag includes a storage unit that stores instructions including two or more functions received from an NFC writer or an input device, and a data exchange unit that transfers the instructions to an NFC reader. A smart device includes an NFC writer configured to input instructions including two or more functions into an NFC tag and an NFC reader configured to receive the instructions from the NFC tag. A method for inputting instructions into an NFC tag using a smart device. | 05-22-2014 |
Van Quang Nguyen, Seoul KR
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20150358750 | DEVICE AND METHOD FOR TRACKING SOUND SOURCE LOCATION BY REMOVING WIND NOISE - Disclosed are a device and a method for tracking a sound source location by removing wind noise. The disclosed method for tracking a sound source by removing wind noise comprises the steps of: performing a Fourier transform for input signals of a time domain received by a plurality of microphones; detecting a first sound source section on the basis of an average power value of the Fourier-transformed input signals; detecting a second sound source section from which wind noise has been removed, on the basis of the first sound source section and a difference of power values of the input signals received by the microphones; and detecting a location of a sound source on the basis of the second sound source section and a phase difference of the input signals received by the plurality of microphones. | 12-10-2015 |
Viet Anh Nguyen, Yuseong-Gu KR
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20100045557 | ANTENNA APPARATUS - An antenna apparatus that may be adapted to various environments. The antenna apparatus includes a radiation unit to transmit and receive in a 360° radius including a plurality of radiators, each radiator configured to radiate a main emission pattern in different direction; and a switch unit configured to selectively operate each of the plurality of radiators. | 02-25-2010 |
Vietha Nguyen, Yongin-Si KR
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20160133512 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING A PLURALITY OF ETCH STOP LAYERS - A method of manufacturing the semiconductor device includes providing a first interlayer dielectric layer having a conductive pattern, sequentially forming a first etch stop layer, a second etch stop layer, a second interlayer dielectric layer and a mask pattern on the first interlayer dielectric layer, forming an opening in the second interlayer dielectric layer using the mask pattern as a mask, the opening exposing the second etch stop layer, and performing an etching process including simultaneously removing the mask pattern and the second etch stop layer exposed by the opening to expose the first etch stop layer. | 05-12-2016 |
Vu Dat Nguyen, Seoul KR
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20110074859 | Roll-to-Roll Printing System and Method - Disclosed are a roll-to-roll printing system and method in which a large number of micro-nozzles are formed directly in a printing roll, and thus ink supplied to the central portion of the roll can be formed into micro-inkjets by inducing an electrostatic field, and furthermore, as a result of the formation of the micro-inkjets, a micro-sized pattern significantly smaller than that achievable by a prior pattern formation method can be printed on a print medium, and in addition, the relative speed of the print medium relative to the roll can be maintained at a speed close to “0” so as to improve the resolution, integration density and precision of the printed pattern. | 03-31-2011 |
20110285792 | Liquid Droplet Spraying Apparatus and Method - The present invention relates to a liquid droplet spraying apparatus and method. The liquid droplet spraying apparatus of the present invention includes a chamber containing a fluid; a nozzle body having a nozzle for spraying the fluid in the chamber to one side of a material to be printed; an electrostatic spray module which is arranged in the vicinity of the chamber or the nozzle, and which forms an electrostatic field for the fluid contained in the chamber to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet; a physical spray module which is arranged in the chamber and opposite the nozzle, and which provides a second spray force for assisting the first spray force when the first spray force is generated; and a control unit for controlling the electrostatic spray module and the physical spray module such that the first spray force and the second spray force can be provided in a specific pattern. The liquid droplet spraying method of the present invention includes the steps of forming an electrostatic field for the fluid contained in the chamber using the electrostatic spray module arranged in the vicinity of the chamber or the nozzle to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet, and providing a second spray force for assisting the first spray force using the physical spray module arranged in the chamber and opposite the nozzle, thus spraying the fluid and forming a liquid droplet. | 11-24-2011 |
20110310148 | Liquid Droplet Spraying Apparatus and Method - The present invention relates to a liquid droplet spraying apparatus and method. The liquid droplet spraying apparatus of the present invention includes a chamber containing a fluid; a nozzle body having a nozzle for spraying the fluid in the chamber to one side of a material to be printed; an electrostatic spray module which is arranged in the vicinity of the chamber or the nozzle, and which forms an electrostatic field for the fluid contained in the chamber to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet; a physical spray module which is arranged in the chamber and opposite the nozzle, and which provides a second spray force for assisting the first spray force when the first spray force is generated; and a control unit for controlling the electrostatic spray module and the physical spray module such that the first spray force and the second spray force can be provided in a specific pattern. The liquid droplet spraying method of the present invention includes the steps of forming an electrostatic field for the fluid contained in the chamber using the electrostatic spray module arranged in the vicinity of the chamber or the nozzle to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet, and providing a second spray force for assisting the first spray force using the physical spray module arranged in the chamber and opposite the nozzle, thus spraying the fluid and forming a liquid droplet. | 12-22-2011 |
Vu Dat Nguyen, Gyeonggi-Do KR
Patent application number | Description | Published |
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20140160207 | Hybrid-Type Apparatus for Injecting Ink - Provided herein is an apparatus for jetting ink where the upper side of a nozzle is open and a physical actuator is provided, and a physical actuator is driven by an electrode provided on the upper and lower side to form an electric field, thereby becoming capable of easily jetting fine-diameter ink. | 06-12-2014 |
20140291424 | Spray Nozzle and Coating System Using the Same - Provided herein is a spray nozzle and a coating system using the same, the spray nozzle and the coating system comprising a liquid nozzle injecting liquid towards a substrate; a gas nozzle for injecting gas to collide with the liquid on an injection path of the liquid to perform a primary atomization of the liquid; and a voltage supply connected to the liquid nozzle, the voltage supply for applying voltage to the liquid nozzle to generate an electric field between the liquid nozzle and substrate to perform a secondary atomization of the liquid. | 10-02-2014 |
20150075425 | Coating System Using Spray Nozzle - Provided herein is a coating system using a spray nozzle, the coating system comprising: a support where a substrate is disposed; a spray nozzle configured to inject towards the substrate liquid that has gone through a primary atomization by collision with gas; a voltage applier configured to apply voltage to the spray nozzle so that the liquid injected from the spray nozzle includes electric charge, and to generate an electric field between the support and the spray nozzle by the voltage applied to the spray nozzle and perform a secondary atomization of the liquid injected from the spray nozzle; and a transferrer configured to transfer at least one of the support and the spray nozzle. | 03-19-2015 |
Vu Dat Nguyen, Suwon-Si KR
Patent application number | Description | Published |
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20130307892 | APPARATUS FOR PRINTING ON 3-DIMENSIONAL SURFACE USING ELECTROHYDRODYNAMIC FORCE - Provided herein is an apparatus for printing on a 3-dimensional surface using electrohydrodynamic force, the apparatus having a stage where a print object is placed; a shape obtainer storing surface information of the print object; a nozzle receiving ink and discharging the received ink to a surface side of the print object; a power supply supplying power to the nozzle; and a controller receiving the surface information of the print object from the shape obtainer and controlling a movement of the nozzle or the stage. | 11-21-2013 |
20150062250 | Apparatus for Spraying and Patterning Using Electrostatic Force - There is disclosed an apparatus for spraying and patterning, using an electrostatic force, includes a nozzle to which a voltage is applied to exhaust ink, a droplet circulation chamber provided in one end of the nozzle, with a hole provided in one end to spray the ink exhausted from the nozzle based on a particle size of the droplet and to temporarily collect the not-sprayed ink, and a substrate for impacting the ink sprayed from the hole thereon by forming an electric field between the nozzle and the substrate. | 03-05-2015 |
Vu Thuy Dan Nguyen, Yongin-Si KR
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20090180452 | COMMUNICATION TERMINAL AND METHOD FOR WIRELESS SENSOR NETWORK - A communication terminal and method is provided for improving channel utilization efficiency in a wireless sensor network using contention-based channel access mechanism is disclosed. The communication method according to the present invention comprises initializing, when a packet transmission is required, a contention window to a size; resetting, when a channel is assessed to be busy, the size of the contention window in a hybrid expansion mode; and attempting, when the channel is assessed to be idle, the packet transmission through the channel. | 07-16-2009 |