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Byung Kwon

Byung Kwon Choi, Bucheon KR

Patent application numberDescriptionPublished
20110095733POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOF - The present invention relates to a power factor correction circuit and a driving method thereof.04-28-2011

Byung Kwon Choi, Seoul KR

Patent application numberDescriptionPublished
20090122790VOICE COMMUNICATION METHOD AND SYSTEM IN UBIQUITOUS ROBOTIC COMPANION ENVIRONMENT - A voice communication method and system that enables establishing a voice communication in a URC environment is provided. The voice communication method and system of the present invention allow establishing a voice communication channel between terminals (private IP address to private IP address, public IP address to public IP address, and private IP address to public IP address) in a URC environment. Particularly, the voice communication system of the present invention is implemented with a call server acting as a STUN server for supporting voice communication between two terminals of which one is assigned private IP address and controlling the communication session in the URC environment.05-14-2009
20090319627SYSTEM AND METHOD TO PROVIDE SERVICES BASED ON NETWORK - A system to provide various content services based on a network to users includes a service provider to provide a service using the network, a user to receive the service, and a service framework to provide the service to the user through the network. The service framework includes a messenger device that manages the service transmitted between the service provider and the user. Content services, which are being provided based on a network, can be provided to various terminals including not only a PC and a mobile phone, but also a robot. Thus, extending services is easy and the user can conveniently receive desired information from a knowledge provider or website without performing repetitive operations.12-24-2009
20100180709Robot - A robot rotates frontward, rearward, clockwise, or counterclockwise such that a display device is matched with the eye position of a user. The robot includes a body, a display device, and at least one bending device. The display device includes a recognition unit to rotate about the body according to the position of the user. The recognition unit detects a position of a user. The bending device couples the body with the display device such that the body and the display device rotate frontward, rearward, clockwise, or counterclockwise according to a detection state of the recognition unit.07-22-2010
20100185326Robot - Disclosed is a robot setting a display unit corresponding to an eye level of the user. The robot includes a body unit, a display unit, and at least one sliding section. The display unit is provided with a detection unit, which detects a position of a user, to rotate together with the body unit according to an eye level of the user. The sliding section connects the body unit with the display unit such that the body unit and the display unit rotate longitudinally and transversely according to a detection result of the detection unit.07-22-2010
20100185990Movable display apparatus, robot having movable display apparatus and display method thereof - A movable display apparatus, a robot having the movable display apparatus, and a display method thereof, and, more particularly, a display method of a robot having an apparatus to display an image according to a visual point of a user are provided. It is possible to provide a convenient extended image service, by movably mounting the apparatus to display the image according to the visual point of the user and mounting the movable display apparatus in the robot so as to accurately display the image according to the visual point of the user using the mobility and motion of the robot. In addition, it is possible to provide an image, which is viewed like a three-dimensional image, via a two-dimensional display apparatus, by changing the displayed image according to a variation in the sightline of the user.07-22-2010
20110074923IMAGE TRANSMISSION SYSTEM OF NETWORK-BASED ROBOT AND METHOD THEREOF - Disclosed herein is a system which transmits an image using a lossless compression method in a robot to provide a service over a network and a method thereof. The network-based robot separates an image acquired by a stereo camera into various image formats and transmits the various image formats to a service server. The service server synthesizes the separated image formats to suit an image request such as face recognition, object recognition, navigation or monitoring to restore and provide an original image. When the network-based robot transmits the separated image formats to the server, the original image is transmitted using the lossless method to improve the performance of the server. Even when a service using a new image is added, separated images are transmitted with respect to the image format requested by this service to more flexibly cope with the service using the new image. Since channels are separated in order to receive lossless data, network gain is obtained.03-31-2011
20110176009CLIENT DEVICE AND CONTROL METHOD THEREOF, AND IMAGE SERVICE SYSTEM INCLUDING THE SAME - A client device, a control method thereof, and an image service system including the client service and the control method are disclosed. The client device includes an image capturing unit to capture an image, an encoding unit to encode the image captured by the image capturing unit into a JPEG format according to a group map that includes not only Frames Per Second (FPS) values required for types of a plurality of image services but also compression information for each frame image, and a client controller to determine not only the FPS satisfying the plurality of image services but also the compression information for each frame image, and control an operation of the encoding unit in such a manner that images captured by the image capturing unit are encoded according to the determined FPS and compression information. As a result, the client device differently encodes the quality of an image captured by a camera according to image service types, and reduces the file size of the encoded image, resulting in an increase in the transmission efficiency of image.07-21-2011

Patent applications by Byung Kwon Choi, Seoul KR

Byung Kwon Jung, Daejeon KR

Patent application numberDescriptionPublished
20100070673HIGH PCI EXPRESS SIGNAL TRANSMISSION APPARATUS AND CONTROL METHOD THEREOF - Provided are a high PCI express signal transmission apparatus and a control method thereof. A high PCIe signal transmission apparatus for transceiving data of a computer storage device with an external device, the high PCIe signal transmission apparatus includes a host adapter receiving the data of the storage device through the PCIe signal, and converting the received PCIe signal into an optical signal to transmit the converted optical signal, and a signal conversion processor receiving the optical signal from the host adapter, converting the received optical signal into an electrical signal, and transmitting the converted electrical signal to an corresponding external device connection unit.03-18-2010

Byung Kwon Kim, Shiheung City KR

Patent application numberDescriptionPublished
20090120467Commercial dish washer equipped with an auxiliary rinsing water pipe and rinsing step - A dish washer for commercial use is provided. The dishwasher according to current application is used for restaurants, hospital, school and military camp, etc. The dish washer of the current application has an auxiliary rinsing water pipe that is embedded inside of a washing water pipe. The rinsing water supplied to the washing water pipe drives the remaining soapy washing water out of an upper washing water impellor just after the washing step is finished. In rinsing step, rinsing water is supplied to an upper rinsing impellor via main rinsing water pipe. Rinsing water is sprayed to the bottom of the washing water impellor to remove the residual soapy washing water droplets. The dish washer of the current application removes a chance of contamination of dishes and cups by soapy washing water drops after washing is finished.05-14-2009

Byung Kwon Park, Honolulu, HI US

Patent application numberDescriptionPublished
20100130873NON-CONTACT PHYSIOLOGIC MOTION SENSORS AND METHODS FOR USE - A radar-based physiological motion sensor is disclosed. Doppler-shifted signals can be extracted from the signals received by the sensor. The Doppler-shifted signals can be digitized and processed subsequently to extract information related to the cardiopulmonary motion in one or more subjects. The information can include respiratory rates, heart rates, waveforms due to respiratory and cardiac activity, direction of arrival, abnormal or paradoxical breathing, etc. In various embodiments, the extracted information can be displayed on a display.05-27-2010
20100152600NON-CONTACT PHYSIOLOGIC MOTION SENSORS AND METHODS FOR USE - A radar-based physiological motion sensor is disclosed. Doppler-shifted signals can be extracted from the signals received by the sensor. The Doppler-shifted signals can be digitized and processed subsequently to extract information related to the cardiopulmonary motion in one or more subjects. The information can include respiratory rates, heart rates, waveforms due to respiratory and cardiac activity, direction of arrival, abnormal or paradoxical breathing, etc. In various embodiments, the extracted information can be displayed on a display.06-17-2010
20100240999SYSTEMS AND METHODS FOR POINT IN TIME MEASUREMENT OF PHYSIOLOGIC MOTION - A radar-based physiological motion sensor is disclosed. Doppler-shifted signals can be extracted from the signals received by the sensor. The Doppler-shifted signals can be digitized and processed subsequently to extract information related to the cardiopulmonary motion in one or more subjects. The information can include respiratory rates, heart rates, waveforms due to respiratory and cardiac activity, direction of arrival, abnormal or paradoxical breathing, etc. In various embodiments, the extracted information can be displayed on a display.09-23-2010
20100292568SYSTEMS AND METHODS FOR MEASUREMENT OF DEPTH OF BREATH AND PARADOXICAL BREATHING - A radar-based physiological motion sensor is disclosed. Doppler-shifted signals can be extracted from the signals received by the sensor. The Doppler-shifted signals can be digitized and processed subsequently to extract information related to the cardiopulmonary motion in one or more subjects. The information can include respiratory rates, heart rates, waveforms due to respiratory and cardiac activity, direction of arrival, abnormal or paradoxical breathing, etc. In various embodiments, the extracted information can be displayed on a display.11-18-2010

Byung Kwon Song, Seoul KR

Patent application numberDescriptionPublished
20110146063METHOD OF MANUFACTURING GROUND-BURIAL TYPE SOLID INSULATED TRANSFORMER - A manufacturing method of ground-buried solid type insulation transformer is disclosed. According to the transformer manufactured by the method, electric shock to be given to human and animal that make contact with outer case due to electric field produced from winding wire within solid type insulation transformer, can be avoided, and even in case it is buried underground and it is used underwater for a long time, corrosion thereof can be avoided. The manufacturing method of ground-buried solid type insulation transformer comprises 9 processes in total.06-23-2011

Byung-Kwon Cho, Seoul KR

Patent application numberDescriptionPublished
20110188787STANDING POUCH - Disclosed are standing pouches for easy carriage and storage, the standing pouch including: an external pack; an internal pack which is disposed in the external pack to form a first temperature control space and a second temperature control space which are spaced from each other, to form a contents accommodating space between the first temperature control space and the second temperature control space to accommodate contents, and to enable the first temperature control space to communicate with the second temperature control space; and a first temperature control member and a second temperature control member which are respectively disposed in the first temperature control space and the second temperature control space, at least one of the first temperature control space and the second temperature control space having an open upper side to put a reactant liquid reacting with the first and second temperature control members to generate an exothermic or endothermic reaction.08-04-2011

Byung-Kwon Cho, Suwon-Si KR

Patent application numberDescriptionPublished
20120094459Semiconductor Devices Including Compressive Stress Patterns and Methods of Fabricating the Same - Provided is a method of fabricating a semiconductor device. Gate patterns are formed on a substrate including an NMOS transistor region and a PMOS transistor region. A spacer structure is formed on sidewalls of the gate patterns. The substrate in the PMOS transistor region is etched using the gate patterns and the spacer structure as etching masks, and thereby a recessed region is formed. A compressive stress pattern is formed in the recessed region, and a sidewall of the compressive stress pattern protrudes upwardly from an upper surface of the substrate. A mask oxide layer is formed on a sidewall of the spacer structure. The mask oxide layer is formed to cover a portion of the sidewall of the compressive stress pattern that protrudes upwardly from the upper surface of the substrate.04-19-2012

Byung-Kwon Jeon, Daejeon KR

Patent application numberDescriptionPublished
20120039682ONE-TOUCH CHAMFERING-AMOUNT ADJUSTMENT DEVICE FOR A CHAMFERING MACHINE - The present invention relates to a one-touch chamfering-amount adjustment device for a chamfering machine which specifically carries out a chamfering process on the welding bead surfaces of objects to be processed (such as metal sheet materials and pipes). In the present invention, the moment after a chamfering-amount-adjustment piece has been manipulated so as to rotate, a position-setting pin is inserted into a securing recess in the chamfering-amount-adjustment piece and as this happens the chamfering amount is precisely adjusted in units and at the same time locking to the predetermined chamfering amount is automatically maintained, yet nevertheless the adjustment of the chamfering amount is achieved in a straightforward fashion with one touch, and, when the chamfering-amount-adjustment piece is manipulated, a cutter shaft moves vertically and as it does so the chamfering amount is adjusted in such a way that the chamfering amount can be immediately and rapidly adjusted even during working regardless of any cutter rotating action.02-16-2012
20120057945CHAMFER DEVICE FOR MACHINING WELD BEAD SURFACE WHICH ALLOWS ONE-TOUCH CHAMFERING-AMOUNT ADJUSTMENT - The present invention relates to a chamfer device for machining a weld bead surface, which specifically carries out a chamfering process on the welding bead surfaces of objects to be processed (such as metal sheet materials and pipes). In the present invention, immediately after a chamfering-amount-adjustment unit has been rotated and released, a position-setting pin is inserted into a securing recess in the chamfering-amount-adjustment unit, while the chamfering amount is adjusted in precise units and simultaneously locked at a predetermined chamfering amount which is automatically maintained, and the adjustment of the chamfering amount is achieved in a straightforward fashion with just one touch. When the chamfering-amount-adjustment unit is operated, a mobile cutter shaft moves vertically and as it does so the chamfering amount is adjusted in such a way that the chamfering amount can be immediately and rapidly adjusted while continuously operating without regard to any cutter rotation action.03-08-2012

Byung-Kwon Kang, Suwon-Si KR

Patent application numberDescriptionPublished
20090015921METHOD AND APPARATUS FOR COMPENSATING HAND-TREMBLING OF CAMERA - A method and apparatus for compensating hand-trembling of a camera with reduced time required for capture compensated images. The method may include: calculating exposure time proper for preventing hand-trembling using an AE (Automatic Exposure) algorithm during an image-capturing standby mode; executing image-capturing multiple times depending on the exposure time at the time of inputting a photographing signal through a photographing button, and detecting the amount of hand-trembling at each time of image-capturing. The storing of images can be selected by a preset number of required images from the captured images as resultant images, the images being sequentially stored from an image having a lowest amount of hand-trembling as a resultant image, whereby an image with reduced hand-trembling can be obtained.01-15-2009
200901028373D GRAPHIC RENDERING APPARATUS AND METHOD - A three-dimensional (3D) graphic rendering apparatus is provided. The 3D graphic rendering apparatus includes an object-information extraction module which extracts a bound box of each of a plurality of objects, including an i-th object and a j-th object, wherein i and j are natural numbers; an object alignment module which aligns the i-th object and the j-th object according to distances of the i-th and j-th objects, based on the extracted bound boxes of the i-th and j-th objects, from a visual point; and a rendering module which sequentially renders the aligned i-th and j-th objects such that an object among the i-th and j-th objects distant from the visual point can be rendered earlier than an object among the i-th and j-th objects less distant from the visual point.04-23-2009
20090143099MOBILE COMMUNICATION TERMINAL HAVING CONVERSION LENS AND PHOTOGRAPHY METHOD USING THE SAME - Provided are a mobile communication terminal and a photography method for the same using a conversion lens. The mobile communication terminal includes a terminal body, a camera assembly installed at one side of the terminal body and a conversion lens detachably installed on a front surface of the camera assembly, wherein product data of the conversion lens mounted on the camera assembly are automatically identified and a microcomputer installed in the terminal body automatically adjusts a photography mode such that a special photography mode is entered without requiring any professional knowledge.06-04-2009
20090147141METHOD AND APPARATUS FOR VIDEO TELEPHONY IN MOBILE TERMINAL - A method and apparatus for video telephony in a mobile terminal includes: extracting, after establishment of a video call, a facial feature from a video image captured by a camera unit of the mobile terminal, comparing the extracted facial feature with that of a pre-stored reference image, and correcting the video image according to the facial feature of the reference image. The corrected video image is transmitted to a counterpart of the video call.06-11-2009
20100321770HYBRID IR CUT-OFF FILTER FOR DIGITAL CAMERA - Disclosed is a hybrid Infrared Ray (IR) cut-off filter for a digital camera, which includes an absorption filter plate for absorbing infrared rays, a reflection coating layer formed on a top or bottom side of the absorption filter plate so as to reflect infrared rays, and an anti-reflection coating layer formed on the top or bottom side of the absorption filter plate opposite the reflection coating layer, so as to allow visible rays to pass through the anti-reflection coating layer. The hybrid IR cut-off filter can provide an excellent IR cut-off function even in a slim digital camera module. Also, the hybrid IR cut-off filter can prevent the image quality from being degraded due to the IR transmittance difference according to the change in the incidence angle of an incident light, thereby overcoming the problem of color difference according to the color temperature.12-23-2010
20110170846METHOD AND APPARATUS FOR AUTO-FOCUS CONTROL OF DIGITAL CAMERA - Disclosed is a method for auto-focus control of a digital camera, the method including moving a focus lens of the digital camera to a position for a longest-distance photographing, and then extracting an edge value according to a corresponding position while moving the focus lens by a preset interval in a direction toward an image sensor; estimating a form of a preset function based on the extracted edge values, and calculating a maximum value of the estimated function; calculating a difference between a maximum value of the preset function calculated at a first current position of the focus lens and a maximum value of the preset function calculated at a previous position of the focus lens; and moving the focus lens to a position corresponding to a currently-calculated maximum value of the preset function when the difference between the maximum value of the preset function calculated at the first current position of the focus lens and the maximum value of the preset function calculated at the previous position of the focus lens is less than or equal to a preset threshold value.07-14-2011

Patent applications by Byung-Kwon Kang, Suwon-Si KR

Byung-Kwon Lim, Daejeon Metropolitan City KR

Patent application numberDescriptionPublished
20090326131Polypropylene-Based Resin Composition And Automobile Parts Using The Same - The present invention provides a polypropylene-based resin composition, which comprises of a) a polypropylene; b) an ethylene 1-octene copolymer in which r12-31-2009
20100087609ETHYLENE ALPHA-OLEFIN COPOYMER - The present invention relates to an ethylene α-olefin copolymer having a narrower molecular weight distribution, and a uniform distribution of comonomer. The ethylene α-olefin copolymer according to the present invention has a uniform comonomer distribution and exhibits a lower density in the same comonomer content, unlike conventional ethylene copolymers having a random or blocky comonomer distribution.04-08-2010
20100179291LONG CHAIN-BRANCHED ETHYLENE-ALPHA OLEFIN COPOLYMER - The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced.07-15-2010

Byung-Kwon Park, Daejeon KR

Patent application numberDescriptionPublished
20100104672GEL-TYPE BIRD AVERSION COMPOSITIONS - A gel-type bird aversion composition consists of, on the basis of weight, 30 to 90% of a thickening agent, 0.01 to 4% of an ultraviolet ray absorbent, 0.1 to 20% of methyl anthranilate, 0.1 to 10% of cinnamon essential oil, 0.1 to 20% of mint essential oil; 5 to 40% by weight of mineral oil or grease; and 1 to 10% by weight of emulsifier.04-29-2010