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Nguyen, KR
Duc-Dung Nguyen, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Hoai Nam Nguyen, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Huu Tung Nguyen, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Minh Khanh Nguyen, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Thi Huong Giang Nguyen, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 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 Xuyen Nguyen, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Trung-Kien Nguyen, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Tuan Quang Nguyen, Daejon KR
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Viet Anh Nguyen, Yuseong-Gu KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Vu Dat Nguyen, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 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 Thuy Dan Nguyen, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |