Hyeon Cheol
Hyeon Cheol Cho, Gyeonggi KR
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20090042538 | METHOD FOR OBTAINING PACKET BILLING INFORMATION BASED ON SESSION INITIATION PROTOCOL - Disclosed is a method for controlling billing in a Session Initiation Protocol (SIP) call server The method includes the steps of: receiving an invite message from a calling SIP terminal; transmitting a ( | 02-12-2009 |
Hyeon Cheol Cho, Gyeonggi-So KR
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20090044073 | BROADCAST RECEIVER AND METHOD OF PROCESSING DATA - A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a RS frame decoder, a decoding unit, a text-to-speech (TTS) module, a voice output unit, and a control unit. The signal receiving unit receives broadcast signal multiplexed mobile broadcast service data including text information and main broadcast service data. The RS frame decoder performs decoding on the RS frame, thereby correcting errors occurred in the corresponding mobile broadcast service data. The decoding unit decodes the text information included in the error-corrected mobile broadcast service data. The text-to-speech (TTS) module converts the text information to a voice signal. The voice output unit outputs the converted voice signal. The control unit controls the voice output unit. | 02-12-2009 |
Hyeon Cheol Choi, Haenam-Gum KR
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20100176379 | SELF-ALIGNED ORGANIC THIN FILM TRANSISTOR AND FABRICATION METHOD THEREOF - The present invention relates to a self-aligned organic thin film transistor (TFT) and a fabrication method thereof. According to the present invention, a gate electrode is formed from a first conductive layer patterned on a substrate, a gate dielectric layer is formed on top of the substrate to cover the gate electrode, and a second conductive layer is then formed on the gate dielectric layer. Subsequently, ultraviolet (UV) backside exposure for irradiating the second conductive layer with UV from a bottom side of the substrate using the gate electrode as a mask, and source/drain electrodes self-aligned with the gate electrode is then formed not to overlap with the gate electrode by developing the second conductive electrode. Thereafter, an organic semiconductor layer is formed between and on the source/drain electrodes. In the present invention, an organic TFT can be fabricated using a reel-to-reel process, and therefore, the fabrication process can be simplified. | 07-15-2010 |
Hyeon Cheol Kim, Gwangju KR
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20140096340 | VACUUM CLEANER - A vacuum cleaner includes a suction head including a cover and a bottom plate provided with a suction hole through which air is sucked from a surface to be cleaned and rotatably combined with the cover. The bottom plate is rotated in one direction relative to the cover when the suction head moves forward, and is rotated in the other direction relative to the cover when the suction head moves backward. Further, the vacuum cleaner includes a brush base including brushes and movable upward and backward between the cover and the bottom plate. The brush base includes indicating parts exposed to the outside of the cover and forming at least a portion of the external appearance of the suction head. | 04-10-2014 |
20140338146 | CLEANER AND CLEANER ACCESSORY - A cleaner including a body configured to generate a suction force, a suction head configured to suction air and dirt while making contact with a cleaning surface, a handle pipe configured for manipulation by a user, a flexible hose connecting the handle pipe to the body, an extension pipe connecting the suction head to the handle pipe, and an accessory assembly coupled to the handle pipe to perform a cleaning in place of the suction head, the accessory assembly comprising an accessory body, a Dusting on which a brush is mounted, a Crevice to clean a gap, and an Upholstery to clean fabrics, the Upholstery being rotatably coupled to the accessory body, thereby enhancing the convenience of use and cleaning efficiency. | 11-20-2014 |
Hyeon Cheol Kim, Seoul KR
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20140338148 | VACUUM CLEANER - Disclosed herein is a vacuum cleaner including a main body generating suction force, a suction head contacting a surface to be cleaned and sucking air and dust from the surface, a handle pipe for user operation, a flexible hose connecting the handle pipe and the main body, and an extension pipe connecting the suction head and the handle pipe. The handle pipe includes a handle pipe body communicating the extension pipe and the flexible hose with each other, and a sub-accessory assembly combined integrally with the handle pipe body so as to suck air and dust from the surface as a substitute for the suction head. In the vacuum cleaner, sub-accessories may be easily replaced, a separate space for storage of the sub-accessories is not required, and there is no danger of loss of the sub-accessories. | 11-20-2014 |
20150069889 | WASHING MACHINE AND MANUFACTURING METHOD OF DOOR - A washing machine including a door to open and close an opening for laundry. The door includes a first upper door, a second upper door disposed to allow at least one portion of the first upper door to be seen therethrough, and a lower door. The lower door includes a contraction preventing part to prevent the lower door from contracting when molded. | 03-12-2015 |
20150252508 | WASHING MACHINE HAVING A MANUAL WASHING UNIT - Disclosed is a washing machine capable of improving the efficiency of washing and product quality by improving a pivoting structure of a door assembly having a door and an auxiliary washing unit forming an auxiliary washing space. Also, the door and the auxiliary washing unit may be coupled by a locking part so that a user can open and close the door assembly conveniently when manual washing is not needed. When manual washing is needed, the user may release a locked state of the locking part to move the door and the auxiliary washing unit separately. | 09-10-2015 |
20150267337 | WASHING MACHINE HAVING A MANUAL WASHING UNIT - Disclosed is a washing machine capable of improving the efficiency of washing and product quality by improving a pivoting structure of a door assembly having a door and an auxiliary washing unit forming an auxiliary washing space. Also, the door and the auxiliary washing unit may be coupled by a locking part so that a user can open and close the door assembly conveniently when manual washing is not needed. When manual washing is needed, the user may release a locked state of the locking part to move the door and the auxiliary washing unit separately. | 09-24-2015 |
20150275412 | WASHING MACHINE - Provided is a washing machine including an auxiliary washing unit configured with an auxiliary washing space formed separately from a main washing space formed in a rotating tub, and a discharging assembly by which the auxiliary washing space and the main washing space are selectively in communication with each other. Through such a structure, auxiliary washing may be independently performed, and washing efficiency may be enhanced. | 10-01-2015 |
20150275413 | WASHING MACHINE - Provided is a washing machine including an auxiliary washing unit configured with an auxiliary washing space formed separately from a main washing space formed in a rotating tub, and a discharging assembly by which the auxiliary washing space and the main washing space are selectively in communication with each other. Through such a structure, auxiliary washing may be independently performed, and washing efficiency may be enhanced. | 10-01-2015 |
Hyeon Cheol Moon, Muan KR
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20150191329 | ELECTRICITY GENERATING ELEVATOR - Provided is an electricity generating elevator, which includes a cage installed in a shaft formed in a building in order to carry passengers or loads, a drive unit vertically moving the cage along the shaft, and an electricity generation unit including a coil section installed on the cage and a magnetic force generator that is installed in the shaft so as to face the coil section and provides a magnetic force to the coil section so as to generate an induced electromotive force according to a change in a position of the coil section while the cage moves up and down. Thereby, the electricity generating elevator includes the coil section attached to the cage and the magnetic force generator arranged in the shaft at a position facing the coil section, so that electric energy can be produced by the coil section according to a change in a position of the cage while the cage vertically reciprocates in the shaft, and the produced electric energy can be used as a power source for vertically moving the cage. Thus, maintenance expenses of the elevator can be reduced. | 07-09-2015 |
Hyeon Cheol Moon, Muan-Gun KR
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20160056689 | ELECTRIC POWER GENERATOR USING VEHICLE - The present invention relates to a power generation system using a vehicle. The power generation system includes: a vehicle, such as an automobile, a train, an airplane, and an escalator, for carrying people or freight; a movement route, such as a road, a railroad, and a runway, formed so that the vehicle can move thereon; and a power generation unit including a magnetic force generation portion and a magnetic force receiving portion alternatively installed in the vehicle and the movement route, and configured to generate electric energy using electromagnetic induction occurring due to relative movement between the magnetic force generation portion and the magnetic force receiving portion according to movement of the vehicle. | 02-25-2016 |
Hyeon Cheol Park, Hwaseong-Si KR
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20130136666 | SEPARATION MEMBRANE, METHOD OF MANUFACTURE THEREOF, AND APPARATUS INCLUDING THE SEPARATION MEMBRANE - A separation membrane including an alloy including a Group 5 element and Ir, wherein the alloy includes a body centered cubic crystal structure. | 05-30-2013 |
20130206002 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING THE SEPARATION MEMBRANE, AND HYDROGEN PURIFIER INCLUDING THE HYDROGEN SEPARATION MEMBRANE - A separation membrane including an alloy wherein the alloy includes at least one Group 5 element and at least one Group 14 element, wherein the at least one Group 5 element and the at least one Group 14 element of the alloy define a body centered cubic structure. | 08-15-2013 |
20130243660 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING THE SEPARATION MEMBRANE, AND DEVICE INCLUDING THE HYDROGEN SEPARATION MEMBRANE - A separation membrane including an alloy, the alloy including at least one Group 5 element, and at least one selected from Pt and Ir. | 09-19-2013 |
20140112836 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING SEPARATION MEMBRANE, AND DEVICE INCLUDING HYDROGEN SEPARATION MEMBRANE - A separation membrane including: an alloy including a Group 5 element, Fe, and Al, wherein the alloy includes a body-centered cubic lattice structure. | 04-24-2014 |
20140308177 | HYDROGEN SEPARATION MEMBRANE AND DEVICE INCLUDING HYDROGEN SEPARATION MEMBRANE - A hydrogen separation membrane including: a metal layer including the at least one Group 5 element; and a transition metal catalyst layer on the metal layer, the transition metal catalyst layer including at least one transition metal and at least one of phosphorus (P) or boron (B). | 10-16-2014 |
20150155065 | TRANSPARENT CONDUCTIVE THIN FILM - A transparent conductive thin film and an electronic device including the same are disclosed, the transparent conductive thin film including a titanium nitride or a zirconium nitride having a heterometal element selected from zinc (Zn), gallium (Ga), indium (In), and a combination thereof. | 06-04-2015 |
20150187451 | COMPOSITE TRANSPARENT ELECTRODES - Disclosed are a composite transparent electrode, a production method thereof, and an electronic device including the same, wherein the composite transparent electrode includes a metal nitride thin film including at least one of indium (In), titanium (Ti), zinc (Zn), zirconium (Zr), and gallium (Ga), and a metal oxide thin film including at least one of indium (In), zinc (Zn), tin (Sn), and titanium (Ti), the metal oxide thin film being formed on one surface or opposite surfaces of the metal nitride thin film. | 07-02-2015 |
20150225239 | HAFNIUM TELLURIDE LAYERED COMPOUNDS, TRANSPARENT AND ELECTRICALLY CONDUCTIVE FILM, AND ELECTRONIC DEVICES INCLUDING THE SAME - A hafnium telluride compound includes a layered crystal structure and represented by the following Chemical Formula 1. | 08-13-2015 |
20150279498 | TRANSPARENT CONDUCTIVE THIN FILM ELECTRODES, ELECTRONIC DEVICES AND METHODS OF PRODUCING THE SAME - A transparent electrodes having a conductive thin film, an electronic devices including the same, and methods of producing the same, include a first metal layer and a second metal layer on the first metal layer, wherein a surface energy of the first metal layer is higher than a surface energy of the second metal layer. | 10-01-2015 |
20160060468 | AQUEOUS COMPOSITIONS, METHODS OF PRODUCING CONDUCTIVE THIN FILMS USING THE SAME, CONDUCTIVE THIN FILMS PRODUCED THEREBY, AND ELECTRONIC DEVICES INCLUDING THE SAME - An aqueous composition including: a conductive metal nanoparticle having an organic compound disposed on a surface of the conductive metal nanoparticle; a conductive metal nanowire; and a solvent including water and optionally an alcohol. | 03-03-2016 |
Hyeon Cheol Park, Gyeonggi-Do KR
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20140241564 | SECURING STRUCTURE OF SOUND OUTPUT MECHANISM AND SOUND PROCESSING MEANS OF MOBILE DEVICE CAPABLE OF OUTPUTTING VISUAL AND SOUND SIGNALS - A sound output mechanism of a mobile device capable of outputting visual and sound signals, for example, a smart phone, tablet PC, MP4 (including MP3) has an image output unit and a sound processing unit. The image output unit of the mobile device is arranged on the entire surface of a main body and the sound processing unit for outputting vibration power and sound is firmly secured at the inside thereof without increasing the volume or the area thereof. | 08-28-2014 |
Hyeon Cheol Park, Daejeon KR
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20160051131 | SCANNER FOR TWO-DIMENSIONAL OPTICAL SCANNING, MANUFACTURING METHOD THEREOF, AND MEDICAL IMAGING APPARATUS USING THE SAME - Provided are a scanner for two-dimensional optical scanning capable of implementing two-dimensional driving by one input signal without an additional structure for modulating a resonance frequency using modulation of the resonance frequency through asymmetry of the scanner itself, and a manufacturing method thereof. In addition, there is provided a manufacturing method of a scanner for two-dimensional optical scanning capable of implementing compact packaging through a micro electro mechanical systems (MEMS) process to miniaturize the scanner, such that it may be used in a micro-miniature system such as an endoscope and capable of increasing precision of the scanner and manufacturing the scanner in various shapes and at a low cost. Further, there is provided a medical imaging apparatus using a scanner for two-dimensional optical scanning capable of providing a medical image having improved quality without crosstalk between axes through separation of resonance frequencies. | 02-25-2016 |
Hyeon Cheol Shin, Daejeon KR
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20110091532 | COMPOSITION FOR THE TREATMENT OF ARTHRITIS CONTAINING A DIBENZO-P-DIOXIN DERIVATIVE AS THE ACTIVE INGREDIENT - Disclosed is a composition for treating arthritis containing a dibenzo-p-dioxin derivative as an active ingredient. This dibenzo-p-dioxin derivative is very effective in inhibiting NF-kB and AP-1 activity, alleviates the symptoms of degenerative arthritis and rheumatoid arthritis without irritating the skin or causing side effects, and can continue to exhibit improvement effects for a considerable period of time after discontinuation of treatment. Additionally, when the dibenzo-p-dioxin derivative is contained in liposomes, the composition of the invention exhibits much greater effects on treating arthritis by absorption through skin, and thus is useful for the treatment of degenerative arthritis and rheumatoid arthritis. | 04-21-2011 |
20130217760 | METHOD FOR ENHANCING THERAPEUTIC EFFECT OF ANTICANCER THERAPIES - Disclosed is a method for enhancing therapeutic effect of anticancer therapies for an animal, comprising administering one or more dibenzo-p-dioxin derivative in an effective amount to the animal in anticancer therapies. The method augments therapeutic effects of an anticancer therapies, with the suppression of side effects of the anticancer therapies. | 08-22-2013 |
Hyeon-Cheol Choi, Chanwon-Si KR
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20120103449 | FLOW PATH SWITCHING VALVE - A flow path switching valve includes a tube body including one or more inlets opened to communicate with a fluid supplying source and supplying fluid into an inside of the tube body, outlets opened at opposite sides to the respective inlets and selectively alternately discharging fluid from the inside of the tube body, drains opened at opposite ends and discharging operating fluid introduced through the outlet, and seat units respectively protrude on an inner circumference of the tube body between the inlet(s), outlets and drains. An operating rod, coaxially mounted in the tube body, includes spaced apart projection units and is connected to an operating unit at one end so as to reciprocate axially within the tube body responsive to the operating unit. Valve bodies are movably disposed on an outer circumference of the operating rod and are arranged between the respective projection units to face respective seat units. | 05-03-2012 |
Hyeon-Cheol Jeong, Yongin-Si KR
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20150283919 | SYSTEM FOR CONTROLLING DRIVING OF ELECTRIC VEHICLE AND METHOD OF THE SAME - A system for controlling driving of an electric vehicle including a motor and a method of the same are disclosed. In one aspect, the system includes a battery configured to output a driving current to the motor and a battery capacity calculator configured to determine the remaining battery capacity of the battery. The system also includes a controller configured to limit the driving current to a predetermined current limit value or less when the remaining battery capacity reaches a first predetermined value. | 10-08-2015 |
20160059704 | ELECTRIC TRANSPORTATION SYSTEM - An electric transportation system is disclosed. In one aspect, the system includes a wheel, a rechargeable battery having positive and negative poles, and a motor mechanically connected to the wheel and configured to generate a regeneration charge current, the motor including a coil. The system also includes a motor driver connected to the motor and the battery. The motor driver is configured to discharge the battery during a supply period so as to drive the motor and charge the battery with the regeneration charge current, wherein the motor driver includes a plurality of transistors electrically connected to the negative pole during a break period. The system further includes a controller connected to the motor driver and configured to control the motor driver so as to drive the motor during the supply period and control the motor driver so as to charge the battery during the break period. | 03-03-2016 |
Hyeon-Cheol Kim, Yongin-Si KR
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20110260798 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit device includes: a substrate which has a first conductivity type and in which a first amplifier area and a second amplifier area are defined; a first well which has a second conductivity type, a first pocket well which has the first conductivity type and is separated from the first well, and a first deep well which has the second conductivity type, surrounds the first pocket well, and is separated from the first well; and a second well which has the second conductivity type, a second pocket well which has the first conductivity type and is separated from the second well, and a second deep well which has the second conductivity type, surrounds the second pocket well, and is separated from the second well The first well, the first pocket well, and the first deep well are formed in the first amplifier area of the substrate, and the second well, the second pocket well, and the second deep well are formed in the second amplifier area of the substrate. | 10-27-2011 |
Hyeon-Cheol Lee, Dajeon KR
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20110166722 | ALTITUDE MEASUREMENT APPARATUS AND METHOD - Provided is an altitude measurement apparatus and method that may measure an altitude of an aircraft without using a separate altimeter. The altitude measurement apparatus may include a camera unit being provided to a vertical takeoff and landing (VTOL) aircraft to collect an image of a circular mark formed on the ground, and a calculation unit to calculate an altitude of the VTOL aircraft based on the collected image. Accordingly, the altitude measurement apparatus may measure the altitude using a simple structure such as the circular mark formed on the ground, and be configured at inexpensive costs. | 07-07-2011 |
Hyeon-Cheol Lee, Seoul KR
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20080261282 | Fermentation Process for Preparing Coenzyme Q10 by the Recombinant Agrobacterium tumefaciens - The present invention relates to a transformed | 10-23-2008 |
Hyeon-Cheol Lee, Daejeon KR
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20100057278 | SYSTEM FOR AUTOMATICALLY LANDING AIRCRAFT USING IMAGE SIGNALS AND METHOD OF CONTROLLING THE SAME - Disclosed herein are a system for automatically landing an aircraft using image signals and a method of controlling the system. The system includes an altimeter installed on the aircraft; a landing mark placed at a landing location on a landing runway; a camera installed on the aircraft, oriented toward the front of the aircraft, and configured to detect the shape of the landing mark in image information form; and a FCC configured to calculate the angle between the aircraft and the ground, the ground range and the slant range between the aircraft and the landing location using the altitude information measured by the altimeter, the image information of the landing mark captured by the camera, angle information composed of the pitch, roll and yaw angles of the aircraft, and the angle of entry into the landing runway, and configured to control the automatic landing of the aircraft. | 03-04-2010 |
20110015810 | System for automatically landing aircraft using image signals and method of controlling the same - Disclosed herein are a system for automatically landing an aircraft using image signals and a method of controlling the system. The system includes an altimeter installed on the aircraft; a landing mark placed at a landing location on a landing runway; a camera installed on the aircraft, oriented toward the front of the aircraft, and configured to detect the shape of the landing mark in image information form; and a FCC configured to calculate the angle between the aircraft and the ground, the ground range and the slant range between the aircraft and the landing location using the altitude information measured by the altimeter, the image information of the landing mark captured by the camera, angle information composed of the pitch, roll and yaw angles of the aircraft, and the angle of entry into the landing runway, and configured to control the automatic landing of the aircraft. | 01-20-2011 |
20140355672 | METHOD FOR FOUR-PATH TREE STRUCTURED VECTOR QUANTIZATION - Disclosed is a method for four-path tree structured vector quantization, comprising: (a) placing codebook vectors where magnitudes of vectors are arranged in order at lowermost nodes; (b) configuring upper nodes by averaging vector values of the lowermost adjacent four nodes; (c) calculating mean square errors to paths of the upper nodes (A, B, C, and D) corresponding to four paths from an input vector ‘X’; (d) presetting a threshold between 0 and 1 after the ‘(c)’; (e) calculating thresholds between the input vector ‘X’ and four paths ‘A’, ‘B’, ‘C’, and ‘D’, based on the mean square errors; and (f) comparing the thresholds calculated in the ‘(d)’ with the preset threshold to select a path having a threshold greater than the preset threshold, in which dynamic four-path tree structured vector quantization is used instead of conventional dynamic two-path tree structured vector quantization, thereby more efficiently and quickly searching a codebook. | 12-04-2014 |
Hyeon-Cheol Park, Daejeon-Si KR
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20150126858 | FIBER SCANNING OPTICAL PROBE AND MEDICAL IMAGING APPARATUS INCLUDING THE SAME - Fiber scanning optical probes and medical imaging apparatuses including the same are provided. The fiber scanning optical probe includes an optical fiber; an actuator attached onto the optical fiber and configured to drive the optical fiber at a driving resonance frequency; a mass provided at a side of the optical fiber and configured to control the driving resonance frequency; and a frequency separator provided on a portion of the optical fiber between the actuator and the mass, the frequency separator being configured to separate the driving resonance frequency into separate resonance frequencies. | 05-07-2015 |
Hyeon-Cheol Shin, Bonney Lake, WA US
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20150335614 | COMPOSITIONS FOR REDUCING BETA-AMYLOID-INDUCED NEUROTOXICITY COMPRISING BETA-SECRETASE INHIBITOR - Disclosed are a composition for reducing beta amyloid-induced neurotoxicity by inhibiting β-secretase activity, comprising a dibenzofuran derivative, and a method for preparing the same. Further disclosed is that the combination of the dibenzofuran derivative with a γ-secretase inhibitor or an anti-inflammatory agent shows higher activity with respect to reducing beta amyloid-induced neurotoxicity. | 11-26-2015 |
Hyeon-Cheol Shin, Daejeon Metropolitan City KR
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20100184847 | COMPOSITIONS FOR SKIN PROTECTION AND IMPROVEMENT OF SKIN DISEASES CONTAINING THE DIBENZO-P-DIOXINE DERIVATIVES - The present invention relates to compositions for skin protection and improvement that contain dibenzo-p-dioxine derivatives as effective components. Since the compositions for skin protection and improvement that contain the dibenzo-p-dioxine derivative according to the present invention have excellent functions such as moisturizing and/or wrinkle prevention which are useful in prevention and improvement of various skin diseases, they can be extensively used as cosmetic ingredients or pharmaceutical agents for prevention and improvement of skin diseases. | 07-22-2010 |
20120122965 | COMPOSITIONS FOR SKIN PROTECTION AND IMPROVEMENT OF SKIN DISEASES CONTAINING THE DIBENZO-P-DIOXINE DERIVATIVES - The present invention relates to compositions for skin protection and improvement that contain dibenzo-p-dioxine derivatives as effective components. | 05-17-2012 |