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Jong Chul

Jong Chul Ahn, Seoul KR

Patent application numberDescriptionPublished
20110084414Air cleaning humidifier and disc assembly thereof - An air cleaning humidifier having a disc assembly performing a purifying function and a humidifying function of indoor air, and a disc assembly thereof. The air cleaning humidifier includes a main body, a tub provided in the main body, an air blower fan to generate an air current in the tub, and a disc assembly rotated under the condition that a part of the disc assembly is disposed in the tub. The disc assembly includes a disc member provided with assembly parts formed by cutting parts of the disc member, at least one plate member disposed at one side of the disc member, and at least one fixing member formed on at least one plate member to fix the assembly parts, and each of the at least one fixing member includes a protrusion part respectively inserted into the assembly parts, and a water storage part.04-14-2011

Jong Chul Kim, Daejeon KR

Patent application numberDescriptionPublished
20100322280Measurement Method of Distinguishing Dew and Frost Point Using Quartz Crystal Microbalance Dew-Point Sensor in Low Temperature - The present invention relates to a measurement method of dew-point in low temperature, and more specifically to a measurement method of accurately distinguishing dew-point and frost-point using a quartz crystal microbalance dew-point sensor in a low temperature of 0° C. or less. To this end, the present invention provides a measurement method of distinguishing dew and frost point using a quartz crystal microbalance dew-point sensor in low temperature, comprising the steps of: measuring a resonant frequency of a quartz crystal microbalance dew-point sensor while slowly dropping temperature; observing shock waves of the resonant frequency; and determining dew point or frost point through the observation of the resonant frequency and shock waves of the quartz crystal microbalance dew-point sensor.12-23-2010

Jong Chul Kim, Hwaseong-Si KR

Patent application numberDescriptionPublished
20120076266PORTABLE X-RAY DETECTOR AND X-RAY RADIOGRAPHY METHOD USING THE SAME - A portable X-ray detector includes: a detection panel having an incident surface defined on a front surface thereof facing a generator and configured to generate an electrical signal for each position which is proportional to an incident amount of X-rays generated from the generator; a backing housing detachably fixed to a rear surface of the detection panel and having a sealed mounting space defined therein; and a communication module mounted in the mounting space and configured to wirelessly transmit the electrical signal generated from the detection panel.03-29-2012

Jong Chul Kim, Seoul KR

Patent application numberDescriptionPublished
20090006651Document Delivery System and Method There Of - A mobile document transfer system using a document format with a font data and a method thereof are disclosed. More concretely, when the document made by a computer user terminal is transmitted to a receiver mobile communication terminal through an internet, a document format file having the font data capable of inquiring in the shape of the font equally with the original document is converted, a SMS message or an URL of the corresponding web page having the URL address of a document storage server storing the corresponding document is transmitted to the receiver mobile communication terminal, and the document format file stored in the corresponding URL is transmitted to the receiver mobile communication terminal according to the request of the receiver mobile communication terminal, whereby the corresponding document format file can be viewed equally with the original document.01-01-2009
20090144480MULTI-PROCESSOR SYSTEM ON CHIP PLATFORM AND DVB-T BASEBAND RECEIVER USING THE SAME - A multi-processor system on chip (SoC) platform and a DVB-T baseband receiver using the same are disclosed. The multi-processor SoC platform includes a first processor, at least one second processor, at least one slave device communicating with the first processor and the second processor and a communication interface (CI) unit connecting the slave device to the first processor and the second processor according to a cross-bar switching method to allow the slave device to be communicated with the first processor and the second processor. Therefore, the multi-processor SoC platform having flexibility with being adapted for high speed calculation by using a cross-bar switch is provided.06-04-2009
20100136959DOCUMENT DELIVERY SYSTEM OF GSM MOBILE SUPPORTING MIDP ENVIRONMENTS AND THEREOF - The present invention relates to a GSM mobile document transfer system for supporting MIDP environments and a transferring method thereof, in that a MS office document or another office document are transferred to a mobile communication terminal through a web to phone manner, whereby it can receive and view the office and image documents in general GSM mobile communication terminal at any time without installing a separating document viewer beforehand. Accordingly, the documents can be received through the GSM mobile communication terminals for supporting MIDP environments at any time, so that it can view the document in the unspecific GSM mobile communication terminals for supporting MIDP environments without installing separating view programs. Also, the documents can be received through all of the GSM mobile communication terminals, so that various office, image and fax documents, which are transferred by only an E-mail in the prior art, can be directly transmitted to the receiver mobile communication terminal, whereby the user can send and receive the desired document without restrictions on time and place.06-03-2010

Jong-Chul Choi, Suwon-Si KR

Patent application numberDescriptionPublished
20080316894HOLOGRAPHIC RECORDING/REPRODUCING APPARATUS HAVING APERTURE OF VARIABLE SIZE - Provided is a holographic recording/reproducing apparatus including an aperture device having aperture of variable size. The holographic recording/reproducing apparatus includes a light source, an optical system to divide light emitted from the light source into a recording reference beam and a recording signal beam, and direct the recording reference beam and the recording signal beam to a same location of a holographic recording medium, a spatial light modulator (SLM) to modulate the recording signal beam into a two-dimensional signal pattern, a two-dimensional photodetector to detect a reproducing signal beam that is refracted via the holographic recording medium, and the aperture to limit a size of a spot of the reproducing signal beam, wherein the size of the aperture is variable.12-25-2008
20090251754LIGHT SCANNING UNIT, IMAGE FORMING APPARATUS EMPLOYING THE SAME AND LIGHT SCANNING METHOD - A light scanning unit including a light source unit emitting a collimated light beam, and a beam deflector deflecting and scanning the collimated light beam and having a mirror surface that oscillates, a light scanning method and an image forming apparatus employing the light scanning unit are disclosed. The light source unit may be made to oscillate synchronously with the oscillation of the beam deflector so that the incident angle of the collimated light beam on the beam deflector changes in synchronization with the oscillation of the beam deflector, thereby allowing an increase of the maximum deflection angle of the light beam deflected and scanned by the beam deflector.10-08-2009
20100046054MEMS MIRROR, MIRROR SCANNER, OPTICAL SCANNING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE OPTICAL SCANNING UNIT - Disclosed are several embodiments of a micro-electro-mechanical systems (MEMS) mirror and a mirror scanner employing the same. An optical scanning unit employing such mirror scanner and an image forming apparatus including the optical scanning unit are also disclosed. The MEMS mirror may include a movable unit, which may in turn include a mirror portion and a magnet frame portion. The mirror portion may have mirror surfaces on the face surface(s) thereof. The magnet frame portion may include an opening into which a magnet is received. The MEMS mirror may also include a first fixing end and a second fixing end, to which the moving unit may be elastically supported by one or more elastic members that allows oscillating or pivoting movement of the moving unit.02-25-2010
20100060709LINE LIGHT SOURCE, LINE PRINTER HEAD, AND IMAGE FORMING APPARATUS INCLUDING THE LINE PRINTER HEAD - Disclosed are a line light source, a line printer head, and an image forming apparatus. The line light source includes a light waveguide unit which guides light emitted from a light emitting layer which is disposed between a bottom electrode and top electrodes, wherein the light waveguide unit is disposed on the top electrodes. Light is emitted through the surface area of light emitting areas defined by overlapping areas of the bottom electrode and the top electrodes. The light waveguide includes a plurality of openings, the sizes of which may be different than the surface area of the light emitting areas. The light emitting amount can be adjusted by adjusting the light emitting surface areas without reducing printing resolution of the image forming apparatus by employing the disclosed line light source as the line printer head.03-11-2010
20100104330IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR REGISTRATION - Disclosed are an image forming apparatus capable of, and method of, improving color registration. The image forming apparatus can employ a beam deflector having a double-sided mirror portion that pivots to bi-directionally scan multiple light beams on multiple photosensitive media at different phases by using both mirror sides of the double-sided mirror portion. The individual monochromic images developed on the photosensitive media are transferred onto a transfer medium to overlap one another in phase to form a full color image.04-29-2010
20100118682APPARATUS AND METHOD FOR RECORDING DATA ON HOLOGRAPHIC STORAGE MEDIUM - Provided is an apparatus and method for recording data on a holographic storage medium. The apparatus includes: a light a light processing unit comprising the holographic storage medium and a light modulator, and recording data on the holographic storage medium using a reference beam and a signal beam modulated by the light modulator; and a control unit controlling the light processing unit to record the data on the holographic storage medium, wherein the light modulator is arranged so that an image formed on a surface of the light modulator is shorter in a radial direction that is a scanning direction of the reference beam than in a tangential direction that is perpendicular to the radial direction.05-13-2010
20100142980IMAGE FORMING APPARATUS FOR AND METHOD OF CORRECTING COLOR REGISTRATION ERROR - Disclosed is an image forming apparatus capable of, and a method of, correcting a color registration error. The image forming apparatus corrects a color registration error by adjusting a scan start time of, and/or the distance in a sub-scanning direction between, multiple light beams that are scanned by a light scanning unit onto several photosensitive media.06-10-2010

Patent applications by Jong-Chul Choi, Suwon-Si KR

Jong-Chul Kim, Anan-Si KR

Patent application numberDescriptionPublished
20110042242Apparatus for Locking a Magazine - A locking apparatus for locking a magazine configured to receive a printed circuit board (PCB) may include an actuator, a rotating block, and a locking member. The actuator may be installed on the magazine. The rotating block may be connected to the actuator. The rotating block may be rotated about a vertical axis. The locking member may be rotatably connected to the magazine about the vertical axis. The locking member may be selectively combined with the rotating block to block a front face of the magazine, thereby preventing breakaway of the PCB from the magazine.02-24-2011

Jong-Chul Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20100248718APPARATUS AND METHOD FOR IMPROVING QUALITY OF SERVICE IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for scanning neighbor networks in a mobile terminal are provided. In the method, the strength of a signal received from a serving station is measured. Whether to scan at least one neighbor network is determined with consideration of the strength of the signal. When it is determined to scan at least one neighbor network, the terminal switches to a power save mode, an at least one channel of the at least one neighbor network is scanned during an operation of the power save mode.09-30-2010

Jong-Chul Kwon, Seoul KR

Patent application numberDescriptionPublished
20090209048Luminescence Biotin-Transition Metal Complex Conjugate, and Method of Amplifying Signal Using the Same - Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.08-20-2009

Jong-Chul Shin, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100200386KEYPAD ASSEMBLY FOR MOBILE PHONE - A keypad assembly mounted in a portable terminal is disclosed. The keypad assembly has a window keypad including a display window disposed on a front face of the portable terminal. A keypad top is integrally molded with the display window and simultaneously assembled on the front face of the portable terminal, thereby providing an easier assembly than known heretofore, as two parts can be assembled at the same time and additionally provide an elegant exterior front face.08-12-2010

Jong-Chul Shin, Suwon-Si KR

Patent application numberDescriptionPublished
20080313515SYSTEM-ON-CHIP (SOC) HAVING BUILT-IN-SELF-TEST CIRCUITS AND A SELF-TEST METHOD OF THE SOC - A system-on-chip (SOC) having built-in-self-test (BIST) circuits and a self-test method of the SOC are provided. The SOC having the BIST circuits includes intellectual property (IP) blocks having BIST logic circuits and a BIST control unit. The BIST logic circuit operates in a normal or a test mode in response to control data received through a system bus, and outputs test result data in the test mode. The BIST control unit tests the IP blocks by transferring the control data, a command signal, test pattern data, and test address signals to the BIST logic circuit through the system bus, and compresses and stores the test result data received through the system bus in the test mode.12-18-2008
20100182064DATA DELAY CONTROL CIRCUIT AND METHOD - A data delay control circuit and method that can adaptively reflect changes in an operating environment, such as an operating temperature, an operating voltage and a manufacturing process of a semiconductor chip. The data delay control circuit is designed to be able to adaptibly delay data when an expected delay of a predetermined period should be required when the semiconductor chip is designed. The data delay circuit includes a clock oscillation unit that can reflect changes in a delay period of a delay cell and automatically adjust the delay period of the delay cell. Since the data delay circuit includes a monitoring circuit and a plurality of delay paths, the data delay circuit can provide a delay path having a desired delay value. Therefore, even when the operating environment of a semiconductor device changes, the data delay circuit can control the delay period of a data signal. Consequently, the data delay circuit can automatically generate a data delay signal according to the changes in the operating environment.07-22-2010

Patent applications by Jong-Chul Shin, Suwon-Si KR