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Hyung-Chul

Hyung Chul Cho, Inchon KR

Patent application numberDescriptionPublished
20090042495Rotary-Type Polishing Device Having Protrusion Members - Disclosed herein is a rotary-type polishing device having protrusion members. The rotary-type polishing device includes a rotary shaft, a disc-type body, an elastic rubber, and a plurality of protrusion members. The disc-type body is coupled with the rotary shaft and is configured to integrally rotate together with the rotary shaft. Furthermore, the disc-type body has a concavely curved outer surface, which is formed on the underside of the outer circumferential surface thereof. The elastic rubber, having a predetermined thickness, is attached to the outer surface and conforms to the shape of the outer surface. The protrusion members are attached to or partially embedded in the rubber.02-12-2009

Hyung Chul Cho, Suwon-Si KR

Patent application numberDescriptionPublished
20080289576Plasma based ion implantation system - A plasma based ion implantation system capable of generating a capacitively coupled plasma having beneficial characteristics for an ion implantation, including the generation of necessary ions and radicals only for an ion implantation process instead of generating an inductively coupled plasma, which generates unnecessary ions and excessively dissociates radicals. The plasma based ion implantation system easily controls plasma ions implanted by cleaning a vacuum chamber, minimizes problems of unnecessary deposition and occurrence of contaminants and increases the number of components used only for the plasma ion implantion by reducing the deposition of polymer layer on a workpiece. The plasma based ion implantation system easily control uniformity of the plasma by using a flat type electrode, thereby easily ensuring uniformity of plasma ions implanted into the workpiece.11-27-2008

Hyung Chul Jung, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100103134METHOD AND APPARATUS FOR PROCESSING MULTI-TOUCH INPUT OF TOUCH-SCREEN - The present invention relates to a multi-touch input processing method and apparatus of a touch screen. The present invention preferably provides a method including: storing a first coordinate inputted by a multi-touch which becomes a second touch input in a state where a first touch input is maintained; cancelling the first touch input in a state where the second touch input is maintained; storing a second coordinate set by the cancel of the first touch input; storing a third coordinate set by a third touch input in a state where the second touch input is maintained; and checking a sameness of a first vector from the first coordinate to the second coordinate and a second vector from the second coordinate to the third coordinate, and determining a touch of the second coordinate as being effective in case the first vector and the second vector are not identical.04-29-2010

Hyung Chul Kim, Seoul KR

Patent application numberDescriptionPublished
20090315450Organic light emitting display device and method for fabricating the same - An OLED device and a method for fabricating the same are disclosed, capable of improving yield and preventing decomposition of organic layers by moisture. An organic passivation layer having excellent morphology is applied to prevent a short circuit between an anode electrode and a cathode electrode. A Ca layer is applied to remove moisture from the inside of the device, thereby increasing the lifespan of the device. Accordingly, generation of dark sports by the short circuit caused by protrusions on a poor-morphology layer can be prevented. In addition, moisture absorbent layers are formed between the passivation layers and the partitions to remove outside moisture and the moisture outgassed from the inside, that is, partitions and organic layers, thereby elongating the lifespan of the OLED device.12-24-2009

Hyung Chul Lee, Seoul KR

Patent application numberDescriptionPublished
20110188483COMMUNICATION TERMINAL AND METHOD FOR DATA TRANSMISSION - A communication terminal captures an image of a device having a local area wireless communication function, displays the image on a screen, and performs local area wireless communications with the device while further displaying data stored in the device on the screen.08-04-2011

Hyung Chul Lee, Hwaseong-Si KR

Patent application numberDescriptionPublished
20080240377VOICE DIALING METHOD AND APPARATUS FOR MOBILE PHONE - A voice dialing method and apparatus for simplifying voice dial is provided. The voice dialing method includes receiving a speech in a voice recognition mode, extracting characters from the speech, translating the characters into corresponding numerals, and dialing a phone number on the basis of the numerals.10-02-2008
20100049989Digital content management method and apparatus for mobile terminal - A mobile terminal includes an apparatus configured to perform content management method. When a DRM content that is not playable owing to license expiration is found during the content playback mode, the non-playable DRM content can be removed, moved to a pre-specified folder, or license-renewed according to settings. The content management method includes: playing back a content selected from a given content list during a content playback mode; finding, during the content playback mode, an expired DRM content that is not playable owing to license expiration; determining, when an expired DRM content is found, a handling option for the expired DRM content; and performing one of deleting the expired DRM content, moving the expired DRM content, and renewing the license associated with the expired DRM content, according to the determined handling option.02-25-2010

Patent applications by Hyung Chul Lee, Hwaseong-Si KR

Hyung-Chul Jung, Suwon-Si KR

Patent application numberDescriptionPublished
20110296416METHOD AND APPARATUS FOR MANAGING AN APPLICATION BEING EXECUTED IN A PORTABLE TERMINAL - A method and an apparatus are provided for preventing battery power consumption and degradation of system performance due to the system resources being utilized by applications being executed, while providing a multi-tasking function through a plurality of applications. In the method, when a plurality of applications are executed, such execution of the plurality of applications is reported to the user, so as to enable the user to terminate one or more applications, thereby preventing unnecessary consumption of battery power.12-01-2011
20110296417METHOD AND APPARATUS FOR MANAGING AN APPLICATION BEING EXECUTED IN A PORTABLE TERMINAL - A method and an apparatus are provided for preventing battery power consumption and degradation of system performance due to the system resources being utilized by applications being executed, while providing a multi-tasking function through a plurality of applications. In the method, when a plurality of applications are executed, such execution of the plurality of applications is reported to the user, so as to enable the user to terminate one or more applications, thereby preventing unnecessary consumption of battery power.12-01-2011
20110296418METHOD AND APPARATUS FOR MANAGING AN APPLICATION BEING EXECUTED IN A PORTABLE TERMINAL - A method and an apparatus are provided for preventing battery power consumption and degradation of system performance due to the system resources being utilized by applications being executed, while providing a multi-tasking function through a plurality of applications. In the method, when a plurality of applications are executed, such execution of the plurality of applications is reported to the user, so as to enable the user to terminate one or more applications, thereby preventing unnecessary consumption of battery power.12-01-2011

Hyung-Chul Kim, Boeun-Gun KR

Patent application numberDescriptionPublished
20100096367APPARATUS FOR GENERATING REMOTE PLASMA - Provided is an apparatus for generating remote plasma, which can improve thin-film quality by preventing an arc at a bias electrode. The apparatus includes a radio frequency (RF) electrode installed inside an upper portion of a chamber, a bias electrode installed apart from the RF electrode, and including a plurality of through holes through which plasma passes, wherein a bias power is supplied to the bias electrode, a plasma generating unit formed between the RF electrode and the bias electrode, wherein a plasma gas is supplied to the plasma generating unit, and a ground electrode installed under and spaced apart from the bias electrode, and including plasma through holes corresponding to the through holes of the bias electrode, wherein a pulsed DC bias of a second voltage level, which has a first voltage level periodically, is applied to the bias electrode.04-22-2010

Hyung-Chul Kim, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20110283914VACUUM DIVISION MANAGEMENT SYSTEM OF TUBE RAILWAY SYSTEM AND VACUUM BARRIER FILM DEVICE - Provided is a tube railway system that minimizes noise and air resistance using a sealed evacuated tube as a passage for a tube railway., thereby allowing a train to run at a very high speed. More particularly, provided is a vacuum division management system and vacuum blocking screen device for a tube railway system required to maintain vacuum (1/3 to 1/1000 of atmospheric pressure), in which the vacuum blocking screen device serves to rapidly block a passage for a tube railway with an operation signal, is installed in every fixed section or in some designated sections of the tube railway, and is driven in a specific section where problems with maintenance of the vacuum occur, where the vacuum is intentionally released, for instance, due to maintenance, or where a train is urgently stopped, thereby allowing the specific section to be isolated from the other sections and to be managed with a degree of vacuum different from those of the other sections.11-24-2011

Hyung-Chul Park, Daejeon KR

Patent application numberDescriptionPublished
20100109731APPARATUS AND METHOD FOR DUTY CYCLE CORRECTION - There is provided an apparatus for duty cycle correction. The apparatus for duty cycle correction comprises a moving sum unit performing a moving sum calculation with respect to the square-wave signal and outputting the moving sum signal subjected to moving sum calculation, a comparison unit comparing the moving sum signal with a predetermined threshold voltage, outputting a high signal or low signal, a mean value calculation unit calculating the mean value of an output signal outputted from the comparison unit, the output signal being included in a section having a period integer times greater than that of the square-wave signal, and a threshold voltage control unit comparing the mean value with a middle value, increasing the threshold voltage when the mean value is greater than the middle value, and decreasing the threshold voltage when the mean value is less than the middle value.05-06-2010
20100142588PARALLEL SEQUENCE SPREAD SPECTRUM TYPE CHAOTIC SIGNAL TRANSMISSION DEVICE - A parallel sequence spread spectrum type chaotic signal transmission device is disclosed to convert a serial data signal into a parallel data signal and transmit a chaotic signal according to the converted data signal. The parallel sequence spread spectrum type chaotic signal transmission device includes: a signal converting unit that converts serial data desired to be transmitted into parallel data having a pre-set unit; a chaotic signal generating unit that generates a pre-set chaotic signal; and an amplifying unit that amplifies the chaotic signal from the chaotic signal generating unit according to the data which has been converted by the signal converting unit.06-10-2010
20100144298APPARATUS AND METHOD FOR GENERATING IN-PHASE SIGNAL AND QUADRATURE SIGNAL OF MULTI-PORT NETWORK - Provided is an apparatus and method for generating I/Q signals in a multi-port network, which can generate I/Q signals with accurate coordinates and sizes by repeatedly controlling the coordinates and size of an initial parameter in accordance with a predetermined reference condition. The I/Q signal generating apparatus of a multi-port network includes a multi-port network unit, a signal generation unit, and a control unit. The multi-port network unit converts a receive (RX) signal into a plurality of phase signals with different phases in accordance with a predetermined reference signal. The signal generation unit restores original data on the basis of the power of the phase signals received from the multi-port network unit. The control unit controls the restoration operation of the signal generation unit to be repeated so that the original data restored by the signal generation unit satisfies a predetermined reference range.06-10-2010
20100246724APPARATUS AND METHOD FOR RECEIVING A RADIO SIGNAL - [Problem] The present invention relates to a radio frequency signal receiver, and more particularly, to a radio frequency signal receiver of a communication system, in which local devices exchange a radio frequency signal with each other. The object of the present invention is to provide a radio frequency signal receiver that exactly restores data from a received signal without a complex circuit restoring a phase of a received signal. It is another object of the present invention to provide a radio frequency signal receiver that eliminates noise when the noise is included in the received signal, estimates an exact data rate of the received signal, and exactly restores received information based on the estimated data rate thereof.09-30-2010
20110182388APPARATUS FOR REJECTING IMAGE IN RECEIVER - The present invention relates to an apparatus for rejecting images in a receiver.07-28-2011

Patent applications by Hyung-Chul Park, Daejeon KR

Hyung-Chul Ryu, Ansan-Si KR

Patent application numberDescriptionPublished
20090286831VR1 Receptor Ligands and u-Opioid Receptor Ligands for the Treatment of Pain - A pharmaceutical composition comprising i) at least one composition that has affinity to the μ-opioid receptor, and at least one compound that has affinity to the VR1 receptor, or ii) at least one compound, in particular at least one compound corresponding to formula (I), (II), (III), (IV) or (V), that has affinity to the μ-opioid receptor and to the VR1 receptor, and also to the use of the pharmaceutical compositions i) and ii) for the production of a drug for the treatment of pain.11-19-2009