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Kwang Hee
Kwang Hee Ha, Gyeongsangbuk-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090097544 | CONVERTING IMAGE FORMAT - An apparatus for converting an image format of data and a method thereof is disclosed. An apparatus for converting an image format of data comprises an image converter ( | 04-16-2009 |
| 20110181782 | METHOD OF PROCESSING MULTI-MODE SERVICE BROADCAST SIGNAL AND DIGITAL TELEVISION RECEIVER USING THE SAME - A method of processing a multi-mode service (MMS) broadcast signal in a digital television receiver facilitates the selection of logical channels of a received MMS broadcast according to user preference. The method includes steps of receiving a transport stream corresponding to a selected channel; extracting side information from the received transport stream; determining, based on the extracted side information, whether the selected channel is an MMS broadcast channel broadcasting a primary broadcast program, the MMS broadcast channel including a single physical channel accompanied by a plurality of logical channels configured with the single physical channel, each logical channel transmitting a different programming attribute of the primary broadcast program; and displaying information on the plurality of logical channels, if it is determined that the selected channel is an MMS broadcast channel. | 07-28-2011 |
Kwang Hee Nam, Pohang KR
| Patent application number | Description | Published |
|---|---|---|
| 20110025241 | SENSORLESS CONTROL METHOD OF HIGH PERFORMANCE PERMANENT MAGNET SYNCHRONOUS MOTOR DURING EMERGENCY OPERATION - The present invention provides a position sensorless control method of a high performance permanent magnet synchronous motor during emergency operation, which can accurately detect a magnetic pole position of the synchronous motor based on a position sensorless vector control using an adaptive observer configured based on a permanent magnet synchronous motor model. | 02-03-2011 |
Kwang Hee Yun, Gyeongsangnam-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090090427 | Welding Wire Weaving Apparatus for Submerged Arc Welding Carriage - A welding wire weaving apparatus for a submerged arc welding carriage includes a truck running in a welding direction, a control panel controlling parameters required for welding and weaving operations, a welding wire reel mounting a welding wire thereon, a welding wire supplier supplying the welding wire to an upper part of a member to be welded, a weaver unit weaving the welding wire transversely, a supplier supporting shaft supporting the welding wire supplier at an upper part of the truck, and a weaver unit connection bar connecting the weaver unit to the supplier supporting shaft. The welding wire supplier includes a supply guiding roller, a compressive supplying roller, a welding wire guide bundle, a needle bearing, a welding wire guide bundle and an insulator formed between the needle bearing and the welding wire guide bundle. | 04-09-2009 |
| 20090173727 | Butt-joint Welding Method - A butt-joint welding method is disclosed, which is capable of improving welding productivity by reducing the number of welding passes by weaving a welding wire in submerged arc welding. The welding method includes arranging two parent metals having 10-35 mm thickness at an interval of 8-20 mm to face each other, attaching a backing material to rear sides of the two parent metals, the rear sides facing each other, so that the backing material seals a space between the parent metals through surface-contact with the rear sides, performing flux cored arc welding or compositely performing the flux cored arc welding and submerged arc welding 1-3 times on an upper layer of the backing material, and welding the two parent metals while weaving a submerged arc welding wire transversely. | 07-09-2009 |
Kwang-Hee Jung, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090003726 | ILLUMINATION NORMALIZING METHOD AND APPARATUS - An illumination normalizing apparatus and a method are disclosed. The illumination normalizing apparatus measures a discontinuity of each pixel of an input image, the discontinuity including a spatial gradient and a local inhomogeneity, produces a weight of each pixel from the discontinuity by using a transfer function, produces an estimated illumination by repeating a convolution operation on each weight, and subtracts the estimated illumination from the input image. | 01-01-2009 |
| 20100315486 | STEREOSCOPIC VIDEO SERVICE PROVIDING/RECEIVING METHOD AND APPARATUS IN DIGITAL BROADCASTING SYSTEM - Provided is a stereoscopic video service providing method using a stereoscopic video stream including first and second video streams in a digital broadcasting system. The stereoscopic video service providing method includes: generating information on the first video stream and information on the second video stream; inserting an identifier of the information on the second video stream into the information on the first video stream; and transmitting the first video stream and the information on the first video stream and the second video stream and the information on the second video stream through separate transmission channels, respectively. | 12-16-2010 |
| 20110010739 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING STEREOSCOPIC VIDEO IN DIGITAL BROADCASTING SYSTEM - Provided is a method for transmitting a stereoscopic video in a digital broadcasting system, the stereoscopic video being composed of a left view and a right view. The method includes: generating information indicating that the video is stereoscopic, information about a composition type of the stereoscopic video, and additional information based on the composition type; and transmitting the stereoscopic video and the generated information. The composition type is to compose the stereoscopic video of a single or two encoding streams by using the left view and the right view. In the case of a single stream mode in which the stereoscopic video is composed of the single encoding stream, the additional information includes information about positions of the left and right views. In the case of a dual stream mode in which the stereoscopic video is composed of the two encoding streams, the additional information includes information indicating whether the respective encoding streams are the left view or the right view and information indicating correlation between the respective encoding streams. | 01-13-2011 |
Kwang-Hee Lee, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110224546 | THREE-DIMENSIONAL (3D) ULTRASOUND SYSTEM FOR SCANNING OBJECT INSIDE HUMAN BODY AND METHOD FOR OPERATING 3D ULTRASOUND SYSTEM - Provided is a three-dimensional (3D) ultrasound system and a 3D ultrasound system operating method that may obtain 3D ultrasound data with respect to an object inside a human body to determine an accurate sagittal view. The 3D ultrasound system may include a scanner to generate ultrasound data including image data generated by scanning an object inside a human body, a processing unit to detect a center point of the object from the generated ultrasound data, and to generate, on the ultrasound data, a virtual plane on which the detected center point is placed, and a controller to rotate the ultrasound data based on the image data included in the virtual plane and to determine a sagittal view with respect to the object. | 09-15-2011 |
Kwang-Hee Lee, Anyang-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100097477 | Method of detecting defects in image sensor, tester for the method, and control signal generator for the method - A method of detecting defects in an image sensor that may occur from a floating diffusion area of the image sensor, a tester using the method, and a control signal generator using the method include a photo diode generating charges corresponding to an image signal; a transmission transistor having a first terminal connected to a the photodiode and a second terminal connected to a floating diffusion area, thereby transmitting the charges generated in the photo diode to the floating diffusion area in response to a charge transmission control signal; and a reset transistor having a first terminal applied by a reset voltage and a second transistor connected to the floating diffusion area, thereby transmitting the reset voltage to the floating diffusion area in response to a reset control signal. The reset transistor is turned on during at least one sampling zone selected between reset level sampling and signal level sampling that are performed with respect to the image sensor. | 04-22-2010 |
| 20100157140 | METHOD OF ECONOMIZING POWER IN IMAGE PICKUP SYSTEM AND IMAGE PICKUP SYSTEM USING THE METHOD - A method of operating an image pickup system includes generating a first control signal in response to a long duration exposure mode selectively input by a user, setting circuits to process image data associated with modes other than long duration exposure mode to a standby mode in response to the first control signal, generating a second control signal when the standby mode has been established, opening a shutter in response to the second control signal, and performing a long duration exposure to accumulate a charge corresponding to an optical signal incident on an image sensor of the image pickup system when the shutter is open. | 06-24-2010 |
Kwang-Hee Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090106486 | EFFICIENT PREFETCHING AND ASYNCHRONOUS WRITING FOR FLASH MEMORY - Disclosed herein are a flash file system and an address translation method. The flash file system includes a file system, a Flash Translation Layer (FTL), and flash memory. The FTL receives Local Block Addresses (LBAs) from the file system, and translates the LBAs into Physical Block Address (PBAs. The flash memory receives the resulting PBAs. The FTL includes a memory block in which a multi-stage clustered hash table for mapping the LBAs to the PBAs is stored, and performs the address translation using the clustered hash table. | 04-23-2009 |
| 20110188189 | FLEXIBLE ELECTRONIC PRODUCT HAVING A SHAPE CHANGE CHARACTERISTIC AND METHOD THEREOF - A flexible electronic product includes a flexible electronic assembled body and an actuator including a shape memory member. The actuator of the flexible electronic product deforms in response to an input. The flexible electronic assembled body includes a flexible display device, such as an organic light emitting diode (OLED), a plastic liquid crystal display (LCD), a plastic plasma display panel (PDP), an electronic ink panel, an organic thin film transistor (OTFT). | 08-04-2011 |
Kwang-Hee Shin, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090110519 | Semiconductor manufacturing apparatus and method for loading/unloading wafer via variable setting of slot - A loading/unloading method of a semiconductor manufacturing apparatus for randomly designating a slot of a wafer in loading/unloading the wafer is provided. The method of loading and unloading a wafer through a random designation of wafer slot instead of sequential designation in a semiconductor manufacturing apparatus includes pre-setting a wafer slot selection mode; loading wafers into a piece of process equipment in the pre-set slot selection sequence when the wafer slot selection mode is set as a random mode; performing a process on the wafers; and unloading the wafers having been processed in a pre-set slot selection sequence, thereby preventing defects in the wafer. | 04-30-2009 |