Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Hyuk

Hyuk Choi, Seoul KR

Patent application numberDescriptionPublished
20090304182System and method for providing information using audio watermarking - A system for providing information using a watermarking technique includes a signal generating means for inserting an information data into a sound source to generate an audio signal having the information data; a signal transmitting means for transmitting the audio signal to a user terminal; and an information extracting means for extracting the inserted information data from the audio signal, and the information extracting means is configured separately from the user terminal, and receives the audio signal from the user terminal, extracts the information data from the audio signal, transmits the extracted information data to the user terminal to provide the information data to the user. Therefore, the user can be provided with related information and corresponding contents through the sound source regardless of time, space, and online or offline. Further, the system provides information using audio watermarking with high robustness and reduced detection time.12-10-2009

Hyuk Jeong, Daejeon KR

Patent application numberDescriptionPublished
20090154294METHOD AND SYSTEM FOR RECOGNIZING LOCATION BY USING SOUND SOURCES WITH DIFFERENT FREQUENCIES - Provided are a method and a system for recognizing a location to control the location of a moving object by installing an ultrasonic satellite transmitting an ultrasonic signal. The method includes generating a synchronizing signal at a plurality of the ultrasonic satellites. The ultrasonic satellites simultaneously transmit the ultrasonic signals respectively having different frequency from each other. A receiver of the moving object receiving the ultrasonic signal measures a distance between the receiver of the moving object and each ultrasonic satellite by classifying a frequency of the ultrasonic signal, and calculates a current location of the moving object by using the measured distance. The system includes ultrasonic satellites for transmitting ultrasonic signals, a moving object for recognizing a current location by receiving the ultrasonic signals from the ultrasonic satellites, a reference time broadcasting device for providing a synchronizing signal to the ultrasonic satellites and the moving object in operation, and a server for providing coordinates of the ultrasonic satellites to the moving object.06-18-2009
20110150423DIGITAL VIDEO MANAGING AND SEARCHING SYSTEM - A system for managing and searching for a digital video includes: a video feature point extraction unit decoding an input video and extracting a feature point; a video feature point database (DB) storing and managing a feature point of a video to be compared (i.e., a comparison target video), and a video feature point comparison unit coarsely comparing the feature point of the input video and that of the comparison target video to acquire a candidate group, and minutely comparing the candidate group to detect a content repeated section, and informing a user of the content repeated section.06-23-2011

Patent applications by Hyuk Jeong, Daejeon KR

Hyuk Kang, Gyeongsangnam- Do KR

Patent application numberDescriptionPublished
20110283616APPARATUS AND METHOD FOR CULTIVATING STRAWBERRIES AND SMALL LEAFY VEGETABLES USING MULTILAYERED DEVICE - The present invention relates to an apparatus and a method for cultivating strawberries and small leafy vegetables using a multi-layered device. The apparatus comprises a support plate in which a plurality of holes, which are paths for water and/or a nutrition solution, are formed in order to enable massive harvesting and cultivation of bulbous crops and decorative plants as well as strawberries and small leafy vegetables. A main body comprising a plurality of constant-sized holes for planting and cultivating strawberries and small leafy vegetables at a constant interval is located in the upper part of the support plate. The main body is filled with soil mixed with one or two or more selected from peat moss, coarse sand, charcoal, chaff mixture, carbonized chaff, perlite, organic mixture bed soil, and yellow soil in order to supply the crops planted in the side of the main body with water and nutrition solutions through the roots thereof. A pipe or a hose in installed in the center of the main body to supply the injected water and nutrition solutions to the crops through the bed soil in the main body in order to cultivate the crops well. The multi-layered device is designed and manufactured to transplant seedlings planted in a port nursery to the holes formed in the main body.11-24-2011

Hyuk Kwon, Seoul KR

Patent application numberDescriptionPublished
20100285652METHOD FOR MANUFACTURING A SEMICONDUCTOR DEVICE THAT IS LESS PRONE TO DC FAILURES BROUGHT ABOUT BY UNWANTED DEFECTS ON CAPACITORS THEREIN - A method for manufacturing a semiconductor device that is less prone to DC failures brought about by unwanted defects on capacitors in the device is presented. Manufacturing defects such as scratches are known to occur when making capacitors and that these defects are thought to be a primary cause of subsequent performance DC failures in the completed semiconductor devices. The method includes the steps of depositing, removing, forming, polishing, etching and forming. A sacrificial layer is exploited to allow a subsequent polishing down step to mechanically remove defects from the capacitors.11-11-2010

Hyuk Lee, Seoul KR

Patent application numberDescriptionPublished
20080280901Pharmaceutical Composition for Preventing and Treating Metabolic Bone Diseases Containing Alpha-Arylmethoxyacrylate Derivatives - The present invention relates to a use of a specific alpha-arylmethoxyacrylate derivative, or its pharmacologically acceptable salt or solvate for preventing and treating metabolic bone diseases.11-13-2008
20090116983Reciprocating compressor - In a compressor, a motor includes a stator and a moving member that reciprocates. A frame supports the stator and a conductivity member flows at least a portion of magnetic flux flowing away from the stator back to the stator. Accordingly, the reciprocating compressor has enhanced energy efficiency.05-07-2009
20090148307Apparatus and method for controlling linear compressor with inverter unit - An apparatus and method for controlling a linear compressor with an inverter unit. In the apparatus and method, a capacitor is connected between a driving motor and an inverter unit that applies a voltage to the driving motor according to an output frequency thereof, thereby preventing a jump phenomenon due to an inductance of the motor coil. Furthermore, the linear compressor is precisely controlled through the inverter unit, thereby enhancing stability of the apparatus.06-11-2009
20100144712TRIAZOLE DERIVATIVES HAVING ANTIFUNGAL ACTIVITY, METHOD FOR THE PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME - A triazole derivative of formula 1 or a pharmaceutically acceptable salt, hydrate, solvate or isomer thereof is superior to the conventional antifungal drugs in antifungal activity against a wide spectrum of pathogenic fungi, and has advantageously low toxicity.06-10-2010
20110158314Video Encoding Apparatus, Video Decoding Apparatus, and Video Decoding Method for Performing Intra-Prediction Based on Directionality of Neighboring Block - Provided are methods and apparatuses for improving compression efficiency in directional intra-prediction. A video encoding apparatus, which does not need to record intra mode information, includes a mode selector that selects one from among a plurality of intra modes on the basis of a directionality of at least one neighboring block that has already been reconstructed before a current block is reconstructed, an intra predictor that obtains a prediction block of the current block from the at least one neighboring block according to the directionality of the selected mode, and obtains a residual block by subtracting the prediction block from the current block, and a unit for encoding the obtained residual block.06-30-2011
20110293010Method of Predicting Motion Vectors in Video Codec in Which Multiple References are Allowed, and Motion Vector Encoding/Decoding Apparatus Using the Same - Initial value is selected when motion estimation is performed using predicted motion vector in video codec in which multiple references are allowed, and coding amount of motion vectors is reduced using predicted motion vector. Motion vector encoding apparatus includes predicted motion vector generator that generates adjacent motion vectors of current block with respect to each of reference pictures and generates each predicted motion vector of the current block from the generated adjacent motion vectors, motion estimator that determines final motion vector of the current block and final reference picture corresponding to the final motion vector with regard to search regions of the reference pictures, differential unit that obtains difference between the final motion vector of the current block and final predicted motion vector corresponding to the determined final reference picture among the predicted motion vectors, and unit for encoding information about the final reference picture and the difference.12-01-2011

Patent applications by Hyuk Lee, Seoul KR

Hyuk Nam, Masan-Si KR

Patent application numberDescriptionPublished
20100011806Motor, compressor and air conditioning system having the same - The present invention provides a motor, comprising: a stator including a coil wiring portion to which power is supplied; a rotor, which includes conductive bars, flux barriers, and permanent magnets, and rotates through an interactive electromagnetic force between the conductive bars, flux barriers, and permanent magnets and the coil wiring portion of the stator; an integrated capacitor, which is electrically connected to the coil wiring portion and includes two capacitors connected to each other in parallel, an electrical switch serially connected to one of the two capacitors, and a casing on which the two capacitors and the electrical switch are securely mounted.01-21-2010
20100011807Capacity modulation compressor and air conditioning system having the same - Provided is a capacity modulation compressor, comprising: a shell forming a sealed interior space; a compression mechanism, which is positioned inside the shell and modulates a capacity for compressing a working fluid; and an electromotive driving unit, which is positioned inside the shell, includes a stator and a rotor, and drives the compression mechanism; and a shaft for transferring a torque of the electromotive unit to the compression mechanism, the rotor including a rotor core, conductive bars, flux barriers, and permanent magnets, starting running by an induction torque produced due to the presence of the conductive bars, and operating at a synchronous speed by a reluctance torque produced due to the presence of the flux barriers and a magnetic torque produced to the permanent magnets, and the compressing capacity for the compression mechanism to compress the working fluid being set lower than a maximum compression capacity.01-21-2010
20100017037Capacity modulation compressor and air conditioning system having the same - Provided is an air conditioning system comprised of a plurality of indoor units connected to each other in parallel, each having an expansion valve, and an outdoor unit including a plurality of compressors, in which at least one of the compressors provided to the outdoor unit is a capacity modulation compressor including an electromotive driving unit for driving a plurality of compression units capable of selectively compressing a working fluid, and the electromotive driving unit for the capacity modulation compressor has a stator with a coil wound around thereon and a rotor rotating inside the stator, the rotor being an LSPRM including a rotor core, flux barriers, permanent magnets and conductive bars.01-21-2010

Hyuk Oh, Suwon-Si KR

Patent application numberDescriptionPublished
20120011497METHOD AND APPARATUS FOR INSTALLING SOFTWARE IN MOBILE COMMUNICATION TERMINAL - Disclosed is a method and an apparatus for installing software in a mobile communication terminal. The apparatus for installing software in a mobile communication terminal, includes an external memory having software to be installed, a detector of the mobile communication terminal for, if an external memory is plugged in the mobile communication terminal, detecting a plugging state of the external memory, a memory being embedded in the mobile communication terminal, and a controller of the mobile communication terminal for reading the software to be installed from the external memory and storing the software in the memory if connection with the external memory is detected.01-12-2012

Hyuk Park, Ansan KR

Patent application numberDescriptionPublished
20080258145Semiconductor Devices Including an Amorphous Region in an Interface Between a Device Isolation Layer and a Source/Drain Diffusion Layer - Semiconductor devices and methods for fabricating the same are disclosed in which an amorphous layer is formed in an interface between a device isolation layer and a source or drain region to stably thin a silicide layer formed in the interface. A leakage current of the silicide layer formed in the interface between the device isolation layer and the source/drain region is reduced.10-23-2008

Hyuk Park, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090236748SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - A semiconductor device may include the following. A diffusion barrier formed over a semiconductor substrate having a conductive layer. An etching stop layer formed over a diffusion barrier. Inter-metal dielectric (IMD) layers (e.g. having via holes formed over an etching stop layer and trenches wider than the via holes). Metal interconnections that fill via holes and trenches. Via holes in IMD layers may pass through a diffusion barrier and an etching stop layer to connect to a conductive layer in a semiconductor substrate.09-24-2009

Hyuk Yoo, Chungcheongnbuk-Do KR

Patent application numberDescriptionPublished
20120028746TRANSMISSION FOR USE IN A MOTOR AND A PEDAL-POWERED VEHICLE AND TRANSMISSION METHOD THEREOF - A transmission for use in an electrically-driven bicycle and/or a scooter is disclosed, in which the transmission coupled with a motor is embedded together with the motor in a hub of a rear or front wheel. According to the transmission and a transmission method, the power generated from the motor or a pedal is outputted through a transmission device to a hub shell of the wheel. The output of the motor or other output of the motor which is subject to a reduction unit is used as the input of the transmission device. A one-way clutch to which the power of a driver is received in a one-way rotation manner is prepared to the other side of the input of the transmission device, while the input of the transmission device is commonly used as a carrier for a series of planetary gears in the transmission device. The carrier includes a multistage planetary gear coupled with the carrier by means of a pin; sun gears, engaged with their respective planetary gears of the multistage planetary gear and selectively confined to the shaft by an external speed change lever; a ring gear, engaged with the multistage planetary gear, for transferring a gear shifted power of the transmission device to the hub shell; a first speed pawl, coupled with the carrier by means of the pin, for directly transferring the power of the carrier to the ring gear by being coupled with gear teeth of the ring gear when every sun gear is not confined to the shaft by the external speed change lever; a transmission control unit, manipulated by the external speed change lever, for selectively confining the sun gears to the shaft. The ring gear and the hub shell are connected to each other with an output pawl, so that the power cannot be reversely inputted when the hub shell is rotated with a higher speed than the ring gear.02-02-2012

Hyuk Yoo, Chungcheongbuk-Do KR

Patent application numberDescriptionPublished
20100016121TRANSMISSION FOR MOTOR AND CONTROLLING DEVICE THEREOF - Disclosed therein is a transmission, which is adapted to have a deceleration structure while generating an output in the same direction as when a motive power is rotated forwardly when the motive power is rotated reversely. The transmission includes: a motor having a driving shaft; an output cover adapted to surround the outside of the motor and rotated by receiving a rotational force of the motor; fixed shafts adapted to extend toward both sides of the output cover; and a transmission formed between the driving shaft and the output cover. The transmission is selectively connected according to the rotational direction of the driving shaft to thereby provide an output at a constant speed or a reduced speed only in a predetermined direction. The transmission provides a constant speed output in the forward direction since the driving shaft and the output cover are directly connected to each other when the driving shaft is rotated forwardly, but provides a decelerated output in the forward direction since a reduction planetary gear is geared between the driving shaft and the output cover when the driving shaft is rotated reversely. In addition, a controlling device for automatically controlling the transmission for the motor according to a load applied to the output side is also provided.01-21-2010
20110015027SPEED CONTROLLER FOR MOTOR PREVENTING INTERFERENCE FROM REVERSE INPUT - Disclosed is a speed controller for a motor, which gives a normal rotation and constant speed output to an output cover when a driving shaft of the motor rotates in a normal direction and a normal rotation and speed-changed output to the output cover when the driving shaft of the motor rotates in a reverse direction, wherein when the restriction means are restricted to the driving shaft at constant speed and changed speed, at least one of the two restriction means is not restricted at any position, so that interference caused by a reverse input can be prevented although rotation is reversely input from the output cover. In the speed controller for motor preventing interference from reverse input according to the present invention, a key is formed to protrude on an outer circumference of the driving shaft; a pawl-mounting ring having a key groove with a greater width than the key is coupled to the key; a constant speed pawl and a speed changing pawl having opposite directions are mounted to the pawl-mounting ring so that lower portions of them extend to the key groove; and the pawl-mounting ring is frictionally fixed by an additionally fixed friction pin, whereby at least one of the constant speed pawl and the speed changing pawl is made lie down by the key according to a rotation direction of the driving shaft. Also, according to the present invention, the driving shaft has a polygonal outer circumference; a ball-mounting ring is coupled to the outer circumference, the ball-mounting ring including therein a constant speed ball and a speed changing ball spaced apart from each other by a predetermined distance so that upper and lower sides of them protrude; and the ball-mounting ring is frictionally fixed by an additionally fixed friction pin, whereby at least one of the constant speed ball and the speed changing ball escapes from the outer circumference according to a rotation direction of the driving shaft.01-20-2011

Hyuk Yoo, Cheongju KR

Patent application numberDescriptionPublished
20110195813FORCED SPEED CHANGING APPARATUS OF BICYCLE - Provided is a forced speed changing apparatus of bicycle. The forced speed changing apparatus of bicycle is characterized in that a pressure member is disposed at the pawl controlling ring 08-11-2011

Hyuk Yoon, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100320494LUMINANCE-ENHANCING POLARISING PLATE FOR AN ORGANIC LIGHT-EMITTING ELEMENT - There is provided a polarizer for organic light emitting diodes (OLED) having improved brightness. The polarizer, which comprises a linear polarizer and a ¼ retardation plate, comprises a reflective polarizer film disposed between the linear polarizer and the ¼ retardation plate and transmitting a polarized light horizontal to the transmission axis of the linear polarizer while reflecting a polarized light vertical to the transmission axis of the linear polarizer. The polarizer may be useful to highly improve the brightness of the OLED device when the polarizer is used in the OLED device.12-23-2010
20110043731COMPOSITION FOR LIQUID CRYSTAL ALIGNMENT LAYER, PREPARATION METHOD OF LIQUID CRYSTAL ALIGNMENT LAYER USING THE SAME, AND OPTICAL FILM COMPRISING THE LIQUID CRYSTAL ALIGNMENT LAYER - The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved.02-24-2011
20110051050OPTICAL FILM, PREPARATION METHOD OF THE SAME, AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved.03-03-2011
20120013834LIQUID CRYSTAL FILM - Provided are a liquid crystal film, a method of manufacturing a liquid crystal film, a method of controlling an average tilt angle of the liquid crystal film, a polarizing plate, and a liquid crystal display device. A liquid crystal film that has excellent properties including durability and an optical property and is capable of being effectively used for various uses may be provided. In addition, the physical properties of the liquid crystal film may be easily controlled according to a desired use.01-19-2012

Patent applications by Hyuk Yoon, Gyeonggi-Do KR

Hyuk Yoon, Gyunggi-Do KR

Patent application numberDescriptionPublished
20090103030Very Thin Achromatic Quarter Wave Film Laminate for Transflective LCD and Method for Producing the Same - Disclosed herein is an very thin achromatic quarter wave film laminate for transflective LCD included in an LCD polarizer. More specifically, the very thin achromatic quarter wave film laminate for transflective LCD has a considerably reduced thickness, as compared to conventional quarter wave films in which anisotropic polymeric films are laminated.04-23-2009
20090312453Composition for Alignment Film Having Excellent Adhesiveness - There is provided a novel composition for an alignment film having excellent adhesiveness to a liquid crystal layer as well as to a substrate when a cycloolefin-based aligned film (COP) is used as the substrate instead of triacetyl cellulose (TAC) that is used as a conventional substrate for an optical film whose optical properties are significantly deteriorated when it is used under hot and humid environments. The composition for an alignment film that is used for splay alignment includes polyvinyl alcohol (PVA); 13 to 25% by weight of an aery late monomer based on the weight of the polyvinyl alcohol; 20 to 30 % by weight of a compatibilizing agent based on the weight of the acrylate monomer; and 10 to 50% by weight of an aqueous photo initiator based on the weight of the acrylate monomer.12-17-2009
20100053520Very Thin Achromatic Quarter Wave Film Laminate for Transflective LCD and Method for Producing the Same - Disclosed herein is an very thin achromatic quarter wave film laminate for transflective LCD included in an LCD polarizer. More specifically, the very thin achromatic quarter wave film laminate for transflective LCD has a considerably reduced thickness, as compared to conventional quarter wave films in which anisotropic polymeric films are laminated.03-04-2010
20110217638METHOD FOR MANUFACTURING AN OPTICAL FILTER FOR A STEREOSCOPIC IMAGE DISPLAY DEVICE - The present invention relates to a method for manufacturing an optical filter for a three-dimensional image display device, which forms an alignment layer having different orientating directions along a fine region via a one-time continuous optical orientation process. The method comprising: forming a polymer layer on a substrate; a photo-orienting step comprising positioning a pattern mask above the polymer layer, the pattern mask having alternating light transmission regions and light shield regions arranged in both horizontal and a vertical directions to selectively transmit different polarized light, positioning a polarizer above the pattern mask where the polarizer has two distinguishable regions that transmit different polarized light, and downwardly irradiating UV light onto the polymer layer from above the polarizer, thereby forming an alignment layer having different orientating directions in fine regions of the polymer layer; and forming a retardation layer on the orientation layer. The alignment layer in which the fine regions with different orientating directions are formed alternately and continuously is obtained via a one-time continuous photo-orientation process. Therefore, the photo-orientation process and the method for manufacturing the optical filter are simplified in comparison with the conventional art. As a result, the process yield and productivity in the manufacturing of an optical filter for a 3D image display device are improved.09-08-2011

Patent applications by Hyuk Yoon, Gyunggi-Do KR

Hyuk Yoon, Gwangmyeong-Si KR

Patent application numberDescriptionPublished
20100182547Optical film, preparation method of the same, and liquid crystal display comprising the same - The present invention relates to an optical film, a method for manufacturing the same, and a liquid crystal display device including the same. In detail, the optical film according to the present invention includes an acryl-based substrate, a liquid crystal alignment film, and a liquid crystal film, the liquid crystal alignment film can maintain strong adhesion strength between the acryl-based substrate and the liquid crystal alignment film and between the liquid crystal alignment film and the liquid crystal film by further introducing a monomer having a functional group capable of performing crosslinking reaction to the photoreactive polymer.07-22-2010
20110236681PRESSURE SENSITIVE ADHESIVE FILM FOR AN ORIENTATING TREATMENT IN A PHOTO-ORIENTABLE LAYER - The present invention relates to a pressure sensitive adhesive film for an orientating treatment of a photo-orientable layer, a laminated film, a method for preparing an optical filter or a stereoscopic image display device. In the present invention, the pressure sensitive adhesive film for an orientating treatment in a photo-orientable layer which can minimize the generation of the un-orientated regions, and can form the orientated pattern having high degrees of accuracy, and the preparation method for an optical filter using the pressure sensitive adhesive film are provided. Further, the present invention can provide the optical filter and the stereoscopic image display device having excellent performance.09-29-2011
20120013978PRESSURE SENSITIVE ADHESIVE FILM FOR AN ORIENTATING TREATMENT IN A PHOTO-ORIENTABLE LAYER - The present invention relates to a pressure sensitive adhesive film for an orientating treatment of a photo-orientable layer, a laminated film, a method for preparing an optical filter or a stereoscopic image display device. In the present invention, the pressure sensitive adhesive film for an orientating treatment in a photo-orientable layer which can minimize the generation of the un-orientated regions, and can form the orientated pattern having high degrees of accuracy, and the preparation method for an optical filter using the pressure sensitive adhesive film are provided. Further, the present invention can provide the optical filter and the stereoscopic image display device having excellent performance.01-19-2012

Patent applications by Hyuk Yoon, Gwangmyeong-Si KR

Hyuk Yoon, Gwangmyung KR

Patent application numberDescriptionPublished
20110129598VERY THIN ACHROMATIC QUARTER WAVE FILM LAMINATE FOR TRANSFLECTIVE LCD AND METHOD FOR PRODUCING THE SAME - Disclosed herein is an very thin achromatic quarter wave film laminate for transflective LCD included in an LCD polarizer. More specifically, the very thin achromatic quarter wave film laminate for transflective LCD has a considerably reduced thickness, as compared to conventional quarter wave films in which anisotropic polymeric films are laminated.06-02-2011
20120026305OPTICAL FILTER - An optical filter for stereoscopic image display device and a stereoscopic image display device may be provided. In one embodiment, the optical filter for stereoscopic image display device may include a plastic substrate; an alignment layer; and a retardation layer, and the stereoscopic image display device may include the optical filter.02-02-2012