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Byung-Ki Kim
Byung-Ki Kim, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080198066 | Apparatus and method for calibrating signal in multi-antenna system - A calibration apparatus and method for use in a transmitting end of a multi-antenna system. The apparatus comprises at least two antennas, at least two transmitters for transmitting a signal through one of the antennas and transmitting a reference signal for channel estimation of transmission and reception paths, at least two receivers for receiving a signal through one of the antennas and coupling and receiving a reference signal transmitted through one of the antennas except the antenna for receiving the signal, and a calibration section for estimating channels for transmission and reception paths of the transmitters and the receivers using reference signals received by the receivers and calibrating signals to be transmitted through the transmission paths using the estimated channels. | 08-21-2008 |
| 20100098190 | TRANSCEIVER HAVING MULTISTAGE CHANNEL FILTER IN WIRELESS COMMUNICATION SYSTEM - A transceiver having a multistage channel filter for a wireless communication system is disclosed. The transceiver is composed of a transmitter unit including a multistage channel filter module to perform channel filtering on an input signal having a sampling rate corresponding to a channel bandwidth of the wireless communication system by means of sampling-rate conversion through multiple stages, and a receiver unit corresponding to the transmitter unit. | 04-22-2010 |
| 20100104055 | APPARATUS AND METHOD FOR DIGITAL UP CONVERTING IN A MOBILE COMMUNICATION SYSTEM - An apparatus and method for digital up converting in a mobile communication system are provided. The apparatus includes a Selectable Input Logic (SIL), a Scalable Clock Distribution Logic (SCDL), a filter logic, and a mixer logic. The SIL performs decimation at a decimation rate. The SCDL controls a clock frequency. The filter logic performs channel filtering for the decimated signal, and performs interpolation at an interpolation rate variable. The mixer logic up-converts the signal provided from the filter logic. | 04-29-2010 |
| 20110077059 | APPARATUS AND METHOD FOR REDUCING POWER COMSUMPTION IN MULTI ANTENNA SYSTEM - An apparatus and method for reducing the power consumption of a Base Station (BS) in a multi antenna system are provided. The method for reducing the power consumption of the BS includes identifying an amount of resources being in use for communication, determining whether to convert at least one Radio Frequency (RF) unit into a power saving mode considering the amount of resources, if converting at least one RF unit into the power saving mode, turning OFF a power supply of a power amplifier of at least one of at least two antenna paths constituting the at least one RF unit converted into the power saving mode, and increasing a gain of at least one antenna path turning ON a power supply such that a transmission Power Spectral Density (PSD) is not changed according to the power saving mode conversion. | 03-31-2011 |
Byung-Ki Kim, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20100317915 | FOCUSING BOARD ASSEMBLY FOR MEDICAL IMAGING EQUIPMENT - A focusing board assembly for a medical imaging equipment gives a comfortable feeling mentally or physically by visually getting rid of an oppressive feeling arisen when a patient is in a tunnel-like enclosed space such as MRI or CT for his/her medical examination. | 12-16-2010 |
Byung-Ki Kim, Gyeongsan-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100294067 | APPARATUS FOR ELECTRONICALLY CONTROLLABLE TRANSMISSION - Provided is an apparatus for electronically controllable transmission, and more particularly, an apparatus for electronically controllable transmission, the apparatus capable of shifting gears by moving a shift lever and sensing the magnetic flux density of a magnet, which moves in accordance with the rotation of the shift lever, by using a three-dimensional (3D) hall sensor. The apparatus includes: a shift lever including one end which is connected to a magnet and shifting gears by moving the shift lever; a shift lever body which is connected to the shift lever and is allowing the shift lever to move around shift axis or select axis; and a sensor unit including a 3D sensor which is mounted fixedly in the place intersecting the shift axis and select axis within the shift lever body and can sense the movement of the magnet around an X-axis, a Y-axis and a Z-axis as the magnet moves, wherein the 3D sensor is mounted at a tilted angle for providing at least two of three output signals with linearity. | 11-25-2010 |
Byung-Ki Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090039764 | Quantum Dot Light-Emitting Diode Comprising Inorganic Electron Transport Layer - Disclosed herein a quantum dot light-emitting device which has an inorganic electron transport layer. According to the device, an electron transport layer formed by an inorganic materials, thereby providing a high electron transport velocity or electron density and improving a light emitting efficiency. Further, interlayer resistance between electrode and organic-electron transporting layer or between quantum dot light-emitting layer and organic-electron transporting layer is prohibit, thus increasing a light emitting efficiency of diode. | 02-12-2009 |
| 20100019211 | NANOCOMPOSITE MATERIAL AND METHOD OF MANUFACTURING THE SAME - A nanocomposite material and a method of manufacturing the same are disclosed. The nanocomposite material includes a plurality of nanoparticles coated with a metal oxide, and a matrix of the metal oxide immobilizing the nanoparticles that are dispersed therein. The nanocomposite material is manufactured such that macro- or micro-scale cracks are prevented or effectively prevented, light stability is enhanced over a light-emitting period, and light brightness is improved. | 01-28-2010 |
Byung-Ki Kim, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110317097 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit for a liquid crystal display (“LCD”) device includes a light emitting diode (“LED”) light source and a light conversion layer disposed separate from and above from the LED light source. The light conversion layer includes a semiconductor nano crystal, converts light emitted from the LED light source to white light and provides the white light to a liquid crystal panel of the LCD. | 12-29-2011 |