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Youngsu

Youngsu Cho, Seoul KR

Patent application numberDescriptionPublished
20100106745METHOD AND APPARATUS FOR GENERATING FINGERPRINT DATABASE FOR WIRELESS LOCATION - Provided is a fingerprint database generating method and device for wireless location. Signal strength is estimated by using access points on a numerical map, position coordinates of grid points, and a radio wave attenuation model so as to generate a fingerprint database. A simulation error is computed based on actual survey data measured in the real space, and the estimated signal strength is corrected by using the computed simulation error to thus generate a fingerprint database.04-29-2010
20100136999APPARATUS AND METHOD FOR DETERMINING POSITION OF TERMINAL - An apparatus for determining a position of a terminal calculates distances between a terminal and a plurality of base stations by using time information acquired by a reference station among the plurality of base stations through unidirectional communication between the terminal and the base stations and between the base stations, and determines a position of the terminal by using the calculated distances.06-03-2010
20100137001TERMINAL AND METHOD FOR PROVIDING TERMINAL POSITION - The present invention relates to a terminal and a terminal location providing method. The terminal for selectively accessing a plurality of base stations supporting different communication systems includes a first network interface card that is turned on when the terminal is turned on, a second network interface card that is turned on or activated when receiving the terminal's location information request, a power controller for controlling power of the first and second network interface cards, and a processor for receiving the terminal's location information request and controlling the power of the first and second network interface cards through the power controller.06-03-2010
20100150061Device and method for arranging access point in wireless location - Provided are an access point arrangement device and a method for wireless location determination. An access point is arranged on a numerical map, received signal strength of a signal received from the access point for each grid point is calculated, and DOP and position error per grid point are calculated by using the received signal strength per grid point. It is determined whether to rearrange the currently arranged access point based on a ratio of a grid point with DOP less than a threshold value for entire grid points on the numerical map and a ratio of a grid point with a position error that is less than a threshold value.06-17-2010
20100166047METHOD FOR DETECTING SATELLITE NAVIGATION RECEIVED SIGNAL AND APPARATUS THEREOF - Provided are a method for detecting a received signal and an apparatus for detecting a satellite navigation received signal using the same. The present invention provides cells where a correlation value obtained through parallel signal detection is a predetermined signal detection threshold value or more are selected and time domain correlation is performed on the cells so that the correlation value is verified. The cells having the predetermined verified threshold value or more are detected as a final received signal.07-01-2010
20110018732DEVICE AND METHOD FOR COLLECTING INFORMATION RELATED TO INFRASTRUCTURE, AND POSITIONING METHOD AND SYSTEM USING THE SAME - An infrastructure information collecting device collects measurement information including location information regarding a plurality of wireless access devices disposed in an indoor space based on an indoor map, and a positioning system generates information regarding a wireless communication infrastructure of the corresponding indoor space based on the thusly collected measurement information. The positioning system then provides the generated wireless communication infrastructure information to a terminal of which location is desired to be measured, and then the terminal measures its location based on the wireless communication infrastructure information and signals received from nearby wireless access devices.01-27-2011
20110064000DEVICE AND METHOD FOR MEASURING LOCATION OF TERMINAL - A terminal location measuring device includes a database for storing registration information of a plurality of access points (AP's) forming a first infrastructure system for wireless LAN-based indoor location determination. The terminal location measuring device sets a search range of a database by using location information of the terminal acquired through a second infrastructure system that is different from the first infrastructure system, an identifier of at least one of a plurality of AP's, and a signal measurement value. The terminal location measuring device extracts registration information of an AP having the same identifier as at least one AP within the search range of the database, and measures a location of the terminal by using registration information of the AP.03-17-2011

Youngsu Cho, Daejeon KR

Patent application numberDescriptionPublished
20140012529MOBILE TERMINAL CAPABLE OF MEASURING ALTITUDE AND ALTITUDE MEASUREMENT METHOD USING THE SAME - The present invention relates to a mobile terminal capable of measuring an altitude and an altitude measurement method using the mobile terminal. The mobile terminal capable of measuring an altitude includes a barometric pressure information reception unit for receiving barometric pressure information, a barometric pressure correction unit for calculating a bias barometric pressure using the barometric pressure information received by the barometric pressure information reception unit, and a barometric pressure sensor for outputting a corrected barometric pressure to which the bias barometric pressure is applied.01-09-2014
20140211044METHOD AND SYSTEM FOR GENERATING IMAGE KNOWLEDGE CONTENTS BASED ON CROWDSOURCING - A system for generating crowdsourcing-based image knowledge content, includes an image provision unit configured to provide image data; and an image crowdsourcing unit configured to generate, store, or manage image knowledge in order to provide an image-base knowledge service. Further, the system includes an image acquisition and processing unit configured to connect the image provision unit and the image crowdsourcing unit and actively or automatically provide a crowdsourcing technique.07-31-2014
20150133149APPARATUS AND METHOD FOR RECOGNIZING LOCATION OF TERMINAL BASED ON RADIO FINGERPRINT MAP - An apparatus for recognizing the location of a terminal based on a radio fingerprint map corrects a radio pattern received by a user terminal based on a difference in reception sensitivity between a reference terminal serving as a reference for the creation of a radio fingerprint map and the user terminal, and estimates the location of the user terminal by comparing the corrected radio pattern of the user terminal with the radio patterns in the radio fingerprint map.05-14-2015
20150282116METHOD FOR DETERMINING MOVING DIRECTION OF TERMINAL AND CORRECTING POSITION THEREOF, AND POSITIONING APPARATUS USING THE METHOD - Provided are a method for determining a moving direction of a terminal and correcting a position thereof, and a positioning apparatus using the same. Relative direction information is estimated based on N pieces of position information of the terminal, and distortion information is removed from the relative direction information to acquire relative direction information without direction integrity. Further, the relative direction information is transmitted into absolute direction information to acquire a moving path direction of the terminal. Next, the position information of the terminal is corrected based on the moving path direction of the terminal.10-01-2015

Youngsu Jeon, Gangwon-Do KR

Patent application numberDescriptionPublished
20130215254PORTABLE WATERPROOF PACK WITH AIR BLADDER - The present invention relates to a portable waterproof pack, and more particularly, to a portable waterproof pack with an air bladder pack, which includes an air bladder pack, into which an air is injected, formed in a rear surface of a pack main body, and thus, can float on the water to reduce a risk of losing a portable terminal, such as a smart phone, without a buoyancy means when the portable terminal falls into water.08-22-2013

Youngsu Jeong, Seoul KR

Patent application numberDescriptionPublished
20150121918REFRIGERATOR AND METHOD FOR CONTROLLING THE SAME - The refrigerator includes a compressor compressing a refrigerant, a condenser condensing the refrigerant compressed in the compressor, and a dryer in which the refrigerant condensed in the condenser is introduced. The dryer removes impurities or moisture of the refrigerant. A flow adjustment part is provided on an outlet-side of the dryer to switch or control a flow direction of the refrigerant. A plurality of evaporators is connected to the flow adjustment part, and the plurality of evaporators includes a first evaporator and a second evaporator. A first refrigerant passage extends from the flow adjustment part to the first evaporator, and a second refrigerant passage extends from the flow adjustment part to the second evaporator. A guide tube extends from the dryer to one side of at least one evaporator of the plurality of evaporators to guide the refrigerant to be cooled.05-07-2015

Youngsu Jeong, Daejeon KR

Patent application numberDescriptionPublished
20150024428METHOD OF IDENTIFICATION OF SPORE-FORMING Bacillus spp. BY DIRECT In-situ ANALYSIS OF MALDI-TOF MASS SPECTROMETRY, AND ANALYSIS SYSTEM - A method of the identification of 01-22-2015

Youngsu Jiong, Daejeon KR

Patent application numberDescriptionPublished
20090202885Process to prepare the self-stand electrode using porous supporter of electrode catalyst for fuel cell, a membrane electrode assembly comprising the same - The present invention relates to a porous electrode used in a polymer electrolyte membrane fuel cell, and more particularly to a method of preparing a membrane-electrode assembly by forming a self-stand electrode layer by coating catalyst ink on a non-conductive substrate having a macropore and then joining it to a polymer electrolyte membrane. The porous self-stand electrode according to the present invention allows moisture and gas to be smoothly discharged and inflowed in a high current density operation region to improve the performance of a fuel cell, and can be freely cutted to simplify the preparation process of the membrane-electrode assembly.08-13-2009
20100233578Process for the Electrochemical Catalysts of Fuel Cells Based on Polymer Electrolytes - The present invention relates to a process for the preparation of electrochemical catalysts of the polymer electrolytes-based fuel cells. With the process of the present invention, high catalyst activity while uniformly supporting a large amount of metal particles on a surface of a support can be achieved. Also, the present invention provides a process for the preparation of electrochemical catalysts of the polymer electrolytes-based fuel cells capable of using a small amount of toxic solvent without an additional high-temperature hydrogen annealing.09-16-2010
20100330463PROCESS FOR PREPARING OF A CATALYST SOLUTION FOR FUEL CELL AND A MEMBRANE ELECTRODE ASSEMBLY USING THE SAME - The present invention discloses a process for preparing catalyst solution for a membrane-electrode assembly in a fuel cell, which comprises the steps of a) mixing a catalyst solution (Solution A) wherein catalyst particles are dispersed in water and an ion conductive resin solution (Solution B) wherein an ion conductive resin is dissolved in water, low boiling point organic solvent or a mixture thereof, to form a dispersion; b) mixing the dispersion obtained from step a) with functional additive dissolved in high boiling point solvent or a mixture of low boiling point solvent arid water (Solution C) to prepare catalyst ink dispersion; and c) aging the catalyst ink dispersion obtained from step b).12-30-2010

Youngsu Kim, Yongin-Si KR

Patent application numberDescriptionPublished
20160049628SEPARATOR FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY USING THE SEPARATOR, AND METHOD OF MANUFACTURING THE LITHIUM SECONDARY BATTERY - A separator includes a porous base, and a first coating layer on a surface of the porous base, the first coating layer including a (meth)acrylic acid ester-based polymer having a glass transition temperature of about 10° C. to about 60° C. The first coating layer may be positioned opposite to a cathode of the lithium secondary battery. The separator may further include a second coating layer on a surface of the porous base opposite to the first coating layer and comprising a (meth)acrylic acid ester-based polymer.02-18-2016

Youngsu Kim, Hwaseong-Si KR

Patent application numberDescriptionPublished
20150140785METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - A method of manufacturing a semiconductor device include preparing an initial substrate including an edge region and a central region in which circuit patterns are formed, forming a reforming region in the edge region of the initial substrate, grinding the initial substrate to form a substrate, and cutting the substrate to form a semiconductor chip including each of the circuit patterns. A crystal structure of the reforming region is different from that of the initial substrate.05-21-2015

Youngsu Ko, Sung Nam-Si KR

Patent application numberDescriptionPublished
20150231496Non-transitory computer-readable medium storing a program and a server - A non-transitory computer-readable medium storing a program for causing a computer to execute a process, includes sending first data for setting at least one second user to be an opponent of a game and a match time of the game to a server based on an instruction input by a first user, displaying a screen of the game, and receiving second data according to a result of the game of the first user in a collection period determined based on the match time from the server and displaying game result information in a chat screen for chatting in a group including the first user and the second user based on the second data.08-20-2015

Youngsu Kwak, Suwon-City KR

Patent application numberDescriptionPublished
20090027481METHOD OF MONITORING 3G VIDEO TELEPHONY THROUGH DM PORT - Disclosed herein is a method of monitoring 3G video telephony through a DM port. The method is performed using monitoring equipment in a state in which the monitoring equipment, provided with a driver module capable of opening the DM port of a mobile communication terminal for measurement, is connected to the mobile communication terminal. The method includes the steps of (a) opening the DM port of the mobile communication terminal, (b) setting up connection between the mobile communication terminal and a counterpart terminal by sending a key press command through the DM port, (c) sending H.324M protocol-based log commands through the DM port in order to receive voice or video data from the counterpart terminal, and receiving the voice or video data from the mobile communication terminal, (d) decoding and decompressing payload data of the received voice or video data, and (e) analyzing the decompressed voice or video data.01-29-2009

Youngsu Lee, Sungnam KR

Patent application numberDescriptionPublished
20120311179METHOD FOR PROCESSING TCP RE-TRANSMISSION BASED ON FIXED ADDRESS - The present invention relates to a technology where, in the state that start pointers for n transmit buffers each having Ethernet frame size are fixedly declared and thus fixed addresses are assigned to the transmit buffers, packets can be stably retransmitted utilizing the fixed addresses of the transmit buffers, without executing dynamic pointer operations in re-transmission.12-06-2012

Youngsu Lee, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20110251533WEARABLE ROBOTIC SYSTEM FOR REHABILITATION TRAINING OF THE UPPER LIMBS - The present invention relates to a wearable robot system for rehabilitation training of the upper limbs that has an improved structure to reproduce in detail motion of a human body by selecting a wearing type structure such that robot links move correspondingly to the motion of the upper limbs while decreasing the volume of a rehabilitation and assistance device based on a robot for rehabilitation training of the upper limbs. According the present invention, it is possible to decrease the volume and increase the available space, in addition to creating smooth motion without interfering with the human body by creating a plurality of robot motion paths and selecting the best path from them, because an operation of four degrees of freedom can be achieved by an operation procedure using redundant.10-13-2011
20150242065METHOD AND APPARATUS FOR DISPLAYING SCREEN ON ELECTRONIC DEVICE - Disclosed is a screen display method, including recognizing a request for displaying a size-adjusted screen, displaying the size-adjusted screen on one region of a display unit in response to the request, and displaying an auxiliary screen on an outside region of the size-adjusted screen.08-27-2015
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