Seung Young
Seung Young Bae, Gunpo-Si KR
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20130171054 | Supported Catalyst for Synthesizing Multi-Wall Carbon Nanotubes and Method for Preparing the Same - A supported catalyst for synthesizing multi-walled carbon nanotubes includes a supporting body and a metal catalyst including Fe, Co, and Mn in a mole ratio according to Equation (1): | 07-04-2013 |
Seung Young Choi, Yongin-Si KR
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20150187286 | DISPLAY DEVICE, MULTI-DISPLAY DEVICE INCLUDING THE SAME, AND METHOD FOR DRIVING THE SAME - A display device is provided. The display device includes a display panel, a backlight unit, and a luminance comparison unit. The backlight unit is configured to supply light to the display panel. The luminance comparison unit is configured to compare a measured luminance of the display panel with a reference luminance range. The backlight unit includes a light source unit, a DC-DC converter, and a driving current controller. The DC-DC converter is configured to supply a driving voltage to the light source unit, and the driving current controller is configured to control a driving current flowing to the light source unit based on the comparison result of the luminance comparison unit. | 07-02-2015 |
20160063942 | VOLTAGE CONVERTER AND DISPLAY DEVICE INCLUDING THE SAME - A voltage converter includes a conversion unit, a self driver and an output unit. The conversion unit includes at least one inductor and provides a boosting power based on an input voltage and a first driving signal. The self driver includes at least one inductor that forms a magnetic coupling with the at least one inductor of the conversion unit. The self driver generates a second driving signal that is synchronized with the first driving signal through the magnetic coupling. The output unit generates an output voltage based on the boosting power and the second driving signal. Switching loss and conduction loss may be reduced by replacing an output diode with an output transistor and voltage spike and electromagnetic interference may be reduced through zero voltage switching. The driving signal of the output transistor may be controlled efficiently by adjusting the inductance of the driving inductor. | 03-03-2016 |
20160078821 | DISPLAY DEVICE - A display device includes at least one light source array configured to provide a display panel with light, a dimming signal generating unit configured to receive an image data signal and generate a dimming signal, a first comparator configured to receive the dimming signal output from the dimming signal generating unit and a preset critical value and generate a comparison signal, a dimming modulating unit configured to receive the comparison signal output from the first comparator and the dimming signal output from the dimming signal generating unit and modulate the dimming signal, a constant current controller configured to receive the dimming signal output from the dimming modulating unit and a voltage from a sensor node, and to control a light driving current driving the light source array, and a resistor controller configured to change resistors connected to the sensor node by the comparison signal output from the first comparator. | 03-17-2016 |
Seung Young Jeon, Gyeonggi-Do KR
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20150120205 | SYSTEM AND METHOD FOR MANAGING STRESS - A device for managing user stress is provided. The device includes a collection unit that collects stress related information, an analysis unit that determines a stress state, and an expression unit provides a stress related expression to a user. The collection unit may receive feedback from the user, and the feedback may be used for determining the stress state. | 04-30-2015 |
20150271396 | ELECTRONIC DEVICE AND METHOD FOR IMAGE DATA PROCESSING - An electronic device for processing image data including a camera module configured to obtain the image data. The electronic device also including a control module configured to set at least one pointing object in the image data and configured to control the image data on an object corresponding to a position of the set pointing object according to at least one of a position and movement of the at least one pointing object. | 09-24-2015 |
20150281856 | METHOD FOR ADAPTING SOUND OF HEARING AID AND HEARING AID AND ELECTRONIC DEVICE PERFORMING THE SAME - Provided are a method for modulating sound at a hearing aid and a hearing aid performing the method. The method includes acquiring a sound signal at the hearing aid, modulating the at least a portion of the sound signal when the at least a portion of the sound signal is similar to the designated attention word data, and outputting the modulated sound signal. | 10-01-2015 |
20160066127 | METHOD FOR CONTROLLING AND AN ELECTRONIC DEVICE THEREOF - A control method and an electronic device thereof are provided. A first electronic device can include a communication unit and a control unit configured to perform providing device identification information to a second electronic device based on a beacon received from the second electronic device through the communication unit, and conducting at least one function corresponding to the signal received from the second electronic device. | 03-03-2016 |
Seung Young Jeong, Osan-Si KR
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20080293182 | Method for Manufacturing Image Sensor - Disclosed are methods of manufacturing an image sensor. The method can include forming a microlens by depositing photoresist bubbles on a substrate. The photoresist bubbles can be formed and deposited using an inkjet scheme. A curing process of the photoresist can be performed during formation of the photoresist bubbles before the photoresist bubbles are deposited on the substrate. In one embodiment, the photoresist bubbles can be color photoresist bubbles to form a color microlens that can function as a color filter and a microlens. | 11-27-2008 |
Seung Young Kim, Seoul KR
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20110302242 | FILE SYSTEM AND METHOD FOR DELIVERING CONTENTS IN FILE SYSTEM - The present invention relates to a file system, an apparatus in the file system thereof, and a method of providing and managing content in the file system thereof. According to the present invention, it may be possible to minimize data loss caused by server failure and to provide the convenience of data (content) management by (1) grouping overall data nodes (servers) to manage with a network server group including several data nodes (servers), (2) defining content management information, (3) storing and duplicating contents in each network server group using the defined content management information to maintain and manage the contents, (4) and maintaining and managing the contents in a file unit without using file chunks. | 12-08-2011 |
Seung Young Kim, Daejeon KR
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20140367568 | ANION GENERATING AND ELECTRON CAPTURE DISSOCIATION APPARATUS USING COLD ELECTRONS - The present invention relates to an anion generating and electron capture dissociation apparatus using cold electrons, which uses an MCP electron multiplier plate for generating an electron beam for ionization within an ion trap of a Fourier transform ion cyclotron resonance mass spectroscope, injects ultraviolet photons emitted from an ultraviolet diode across the entire surface of the MCP electron multiplier plate, uses an electron focusing lens to focus and inject an electron beam into the trap, and generates an ECD reaction by coupling electrons to molecules having multiple positive charges using a low energy electron beam emitting apparatus for the negative ionization of neutral molecules in the ion trap. The anion generating and electron capturing and analyzing apparatus of the present invention, which uses cold electrons and is configured of a cold electron generating module which generates a large number of cold electrons from ultraviolet photons emitted into a mass spectroscope in a high vacuum state, comprises a plurality of ultraviolet diodes emitting ultraviolet photons in the mass spectroscope, an MCP electron multiplier plate inducing and amplifying an initial electron emission of ultraviolet photons from the ultraviolet diodes, and generating a high capacity electron beam from a back plate, an electron focusing lens for focusing the electron beam amplified through the MCP electron multiplier plate, and a grid for adjusting the energy and current of electrons. | 12-18-2014 |
Seung Young Lee, Seongnam-Si KR
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20130198210 | AVATAR SERVICE SYSTEM AND METHOD PROVIDED THROUGH A NETWORK - Provided is an avatar service system and method that are provided through a network. The avatar service system may include a request receiving unit to receive a request for an avatar to perform an action, a data extracting unit to extract metadata and image data corresponding to the request from the database storing the metadata with respect to the action of the avatar and the image data for a plurality of layers forming the avatar, and an avatar action processing unit to generate and provide action data for applying, to the avatar, the action of the avatar corresponding to the request using the extracted metadata and the extracted image data. | 08-01-2013 |
Seung Young Lee, Changwon-Si KR
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20130108986 | ABUTMENT FOR IMPLANT | 05-02-2013 |
Seung Young Lee, Gyeonggi-Do KR
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20110274930 | METHOD FOR POLYMERIZING A SMALL OLIGONUCLEOTIDE, AND USE OF A HIGH-MOLECULAR OLIGONUCLEOTIDE PREPARED BY THE POLYMERIZATION METHOD - The present invention relates to a high-molecular weight oligonucleotides polymerization method which increases in vivo stability, and to the use of a high-molecular weight oligonucleotides prepared by the polymerization method. | 11-10-2011 |
20120065242 | POLYMERIC NANO-PARTICLES FOR siRNA DELIVERY USING CHARGE INTERACTION AND COVALENT BONDING - Disclosed is a polymer-siRNA delivery carrier in which a siRNA is combined with a polymer and the use thereof. More specifically, there is disclosed a stable in vivo polymer-siRNA delivery carrier in which a polymer and a siRNA are combined by using charge interaction and biodegradable covalent bonding at the same time and the use thereof. | 03-15-2012 |
Seung Young Lee, Hwaseong-Si KR
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20150239374 | APPARATUS OF SIDE BOLSTER FOR GUIDING DEVELOPING DIRECTION OF SIDE AIRBAG - A side bolster adjusting apparatus of a seat of a vehicle for guiding a developing direction of a side airbag may include a side airbag developing direction guide plates integrally fixed to a seatback frame to guide a developing direction of the side airbag, side bolster adjusting plates hinged to rear ends of the side airbag developing direction guide plates, an airbag disposed between the side airbag developing direction guide plates and the side bolster adjusting plates to expand and shrink and to adjust positions of the side bolster adjusting plates, and a pneumatic control unit controlling expansion and shrinkage of the airbag. | 08-27-2015 |
Seung Young Park, Jeonju-Si KR
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20160059679 | ELECTRIC SWING DOOR AND OPERATING METHOD THEREOF - An electrical swing door may include a main arm configured to be pivotably disposed on a vehicle body and have a door opening or closing a boarding gate attached thereto, a door opening/closing motor configured to apply rotational force to the main arm and to be provided to the vehicle body to adjust the opening/closing of the door, and a lock releasing motor configured to release a latch fixing the door to the boarding gate. | 03-03-2016 |
Seung Young Park, Gyeonggi-Do KR
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20120025598 | HYDRAULIC BRAKE SYSTEM - Disclosed is a hydraulic brake system capable of reducing periodic pressure pulsation caused by operation of a piston. The hydraulic brake system includes a master cylinder generating braking hydraulic pressure by operation of a brake pedal, a wheel brake provided to each of front right and left wheels and rear right and left wheels of a vehicle to receive the braking hydraulic pressure from the master cylinder to generate braking force, a solenoid valve provided to each of an inlet and an outlet of each of the wheel brakes to control flow of the braking hydraulic pressure, a low pressure accumulator Jo temporarily storing oil, which is ejected from the wheel brakes during operation of the solenoid valves, a pump compressing the oil stored in the low pressure accumulator such that the oil is ejected towards the wheel brakes or the master cylinder as needed, and an orifice disposed near an outlet port of the pump. Further, a damper unit is disposed between the outlet port of the pump and the orifice to reduce pressure pulsation caused by operation of the piston, thereby improving product reliability through noise reduction during brake control. | 02-02-2012 |
20120025599 | HYDRAULIC BRAKE SYSTEM - Disclosed is a hydraulic brake system capable of reducing pressure pulsation caused by operation of a piston pump driven by a hydraulic motor in operation of the hydraulic brake system. The hydraulic brake system includes a master cylinder generating braking hydraulic pressure by operation of a brake pedal, a wheel brake provided to each of front right and left wheels and rear right and left wheels of a vehicle and receiving the braking hydraulic pressure from the master cylinder to generate braking force, an electronic valve provided to each of an inlet and an outlet of each of the wheel brakes to to control flow of the braking hydraulic pressure, a low pressure accumulator temporarily storing oil, which is ejected from the wheel brake during a pressure reduction braking operation in which the electronic valves are operated, a pump compressing the oil stored in the low pressure accumulator such that the oil is ejected towards the wheel brake or the master cylinder as needed, an orifice disposed near an outlet port of the pump, a first hydraulic circuit connecting a first port of the master cylinder to two wheel brakes to control transmission of hydraulic pressure, and a second hydraulic circuit connecting a second port of the master cylinder to the remaining two wheel brakes to control transmission of hydraulic pressure, wherein a damper unit is disposed between the outlet port of the pump and the orifice to relieve a pulsation phenomenon. Here, the damper unit allows main flow passages of the first and second hydraulic circuits to communicate with each other therethrough. | 02-02-2012 |
20120043805 | HYDRAULIC BRAKE SYSTEM - A hydraulic brake system includes: a master cylinder forming a braking hydraulic pressure according to an operation of a brake pedal; wheel brakes provided in front and rear wheels of a vehicle to receive the braking hydraulic pressure of the master cylinder and exert a braking force; a first hydraulic circuit controlling an oil pressure transmission by connecting a first port of the master cylinder and two wheel brakes; a second hydraulic circuit controlling an oil pressure transmission by connecting a second port of the master cylinder and remaining two wheel brakes; a hydraulic block communicating main passages of the first and second hydraulic circuits with each other, the hydraulic block being provided with a communication passage having one side opened, such that the first and second hydraulic circuits pass through the communication passage; a pump mounted on one side of each of the main passages, with reference to the hydraulic block, to discharge oil through the hydraulic block to the wheel brake side or the master cylinder side; an orifice mounted on each of the other side of the main passages, with reference to the hydraulic block; and a damper member including: a piston embedded into the hydraulic block and reciprocating the communication passage, the piston having stepped portions on both ends thereof; a cap sealing the opened side of the communication passage and mounted on the hydraulic block; and a spring mounted on each of the stepped portions to elastically support the piston between the cap and the closed side of the communication passage. Since the pressure pulsation generated by the driving of the pump is attenuated by the damper member, the overall operating noise during the brake control is reduced and the reliability of products is increased. | 02-23-2012 |
Seung Young Park, Yongin-Si KR
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20130062148 | ELECTROMECHANICAL BRAKE MODULE AND ELECTROMECHANICAL BRAKE SYSTEM INCLUDING THE SAME - Disclosed is an electromechanical brake system. The electromechanical brake system includes an electric motor, a reduction gear to transfer power of the electric motor, a screw spindle connected to the reduction gear, the screw spindle being rotatably provided, a spindle nut coupled to the screw spindle, the spindle nut being linear-movably provided, a brake pad to move toward the disc, as the spindle nut applies pressure thereto, and a self-locking structure to limit movement of the spindle nut and thereby prevent the spindle nut from being moved in a reverse direction, when the brake pad contacts the disc. | 03-14-2013 |
20150027820 | ELECTROMECHANICAL BRAKE DEVICE - The present invention is directed to an electromechanical brake device for securing the structural reliability and improving the stability even when overloading. The electromechanical brake device configured to brake by pressing a disk-shaped disc, which is rotated with motor vehicle wheels, with a pair of friction pads, and including a piston unit configured to move the friction pads in a direction of the disc, including: an internal shaft connected to an external motor so as to rotate when the motor is driven; an external shaft, in which an end of the internal shaft is inserted, configured to rotate together when the internal shaft is rotated, and to which the piston unit is connected so as to move in the disc direction; and a load control unit provided between the internal shaft and the external shaft, so that the external shaft is rotated together when the internal shaft is rotated, and the internal shaft and the external shaft are rotated at different speeds when a load of a predetermined value or more is applied between the internal shaft and the external shaft. | 01-29-2015 |
20150101894 | BRAKE APPARATUS FOR ELECTRIC CORNER MODULE - Provided is a brake apparatus for an electric corner module (ECM) including: a housing; a shaft, of which both ends are accommodated in accommodation portions of the housing; a planet gear connected to the shafts; and a driving unit that transmits power to the shaft, moves the planet gear in an axial direction and induces friction between the housing and the planet gear. That is, in a brake apparatus for an ECM, a planet gear is moved in an axial direction using a driving unit so as to induce friction between a housing and the planet gear and thus confinement forces of the planet gear are generated so that a brake function can be implemented by blocking power transmission using a decelerator and the weight of a wheel can be reduced and the size of a power transmission system can be reduced and optimization of packaging can be implemented. | 04-16-2015 |
Seung Young Park, Daejeon KR
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20100004412 | METHOD FOR PREPARING POLYMER BY PRECIPITATION POLYMERIZATION - The present invention provides a method for preparing a polymer by precipitation polymerization, comprising the steps of mixing an antisolvent a), a monomer b), and a catalyst c), and while polymerizing the monomers, simultaneously precipitating a polymer formed by the monomers b) in a solid phase. | 01-07-2010 |
20100301957 | RELAXATION OSCILLATOR USING SPINTRONIC DEVICE - Disclosed herein is a relaxation oscillator using a spintronic device. The relaxation oscillator includes a power source unit, a spintronic device, and a capacitor. The power source unit applies power. The spintronic device is driven by the power applied by the power source unit, and has a variable voltage value depending on the intensity of a magnetic field. The capacitor is connected in parallel with the spintronic device, and is discharged when it assumes a minimum-voltage value in the threshold voltage range of the spintronic device and charged when it assumes a maximum voltage value in the threshold voltage range. | 12-02-2010 |
20110281048 | RESIN COMPOSITION FOR DISPOSAL RESIN MOLDED PRODUCT, AND DISPOSAL RESIN MOLDED PRODUCT - Disclosed is a resin composition for disposable resin molded product, and a disposable resin molded product that enables preparation of a disposable resin molded product not only maintaining excellent mechanical properties but also having biodegradability entailing an environment-friendly feature. The resin composition for disposable resin molded product comprises a polyalkylene carbonate resin. | 11-17-2011 |
20120016101 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefor, and polylactide resin compositions including the same. | 01-19-2012 |
20130066024 | POLYSILOXANE-POLYLACTIDE BLOCK COPOLYMER AND PREPARATION METHOD THEREOF - The present invention relates to a polysiloxane-polylactide block copolymer and a preparation method thereof, in which the polysiloxane-polylactide block copolymer has improved impact resistance and flexibility, compared to the conventional polylactide resins and can be prepared by ring-opening polymerization of lactide monomers in the presence of a polymerization initiator of polysiloxane. | 03-14-2013 |
20130079547 | METHOD FOR PREPARING ALKYL LACTATE AND A METHOD FOR PREPARING LACTAMIDE USING THE SAME - This disclosure relates to a method for preparing alkyl lactate with high yield and high selectivity, comprising the step of reacting glycerol with water or alcohol in the presence of a catalyst. | 03-28-2013 |
20130090451 | POLYLACTIDE RESIN HAVING EXCELLENT HEAT RESISTANCE AND PREPARATION METHOD THEREOF - The present invention relates to a polylactide resin having excellent heat resistance, a preparation method thereof, and a polylactide resin composition including the same. | 04-11-2013 |
20130317181 | POLYSILOXANE-POLYLACTIDE BLOCK COPOLYMER AND PREPARATION METHOD THEREOF - The present invention relates to a polysiloxane-polylactide block copolymer and a preparation method thereof, in which the polysiloxane-polylactide block copolymer has improved impact resistance and flexibility, compared to the conventional polylactide resins and can be prepared by ring-opening polymerization of lactide monomers in the presence of a polymerization initiator of polysiloxane. | 11-28-2013 |
20140018515 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefore, and polylactide resin compositions including the same. | 01-16-2014 |
20140018516 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefor, and polylactide resin compositions including the same. | 01-16-2014 |
20140066645 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefor, and polylactide resin compositions including the same. | 03-06-2014 |
20140139214 | MAGNETIC SENSOR USING SPIN TRANSFER TORQUE DEVICES - The present invention is directed to a magnetic sensor using a spin transfer torque device, including a spin transfer torque device configured such that the magnetization direction thereof is varied by current, a bipolar pulse source configured to apply bipolar pulses to the spin transfer torque device in order to control the coercive field and sensitivity of the spin transfer torque device, and a signal processing unit configured to calculate magnetic susceptibility or magnetic resistance by counting the parallel (P) or anti-parallel (AP) states of the spin transfer torque device in response to the applied bipolar pulses. | 05-22-2014 |
20140154489 | PACKAGING FILM INCLUDING A LACTIDE COPOLYMER - The present invention relates to a packaging film including a lactide copolymer having no problem of pollution or toxicity while having good flexibility in addition to excellent properties such as mechanical properties, transparency, and processability, and preferably being applicable to food packaging. The packaging film includes a lactide copolymer including two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, wherein the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3. | 06-05-2014 |
20140163178 | LACTIDE COPOLYMER, A PREPARATION METHOD THEREOF, AND A RESIN COMPOSITION INCLUDING THE SAME - The present invention relates to a lactide copolymer having good flexibility in addition to excellent properties such as mechanical properties and processability and preferably being applicable as a packaging material, a preparation method thereof, and a resin composition including the same. The lactide copolymer includes two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, and the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3. | 06-12-2014 |
20140206834 | POLYLACTIDE RESIN HAVING EXCELLENT HEAT RESISTANCE AND PREPARATION METHOD THEREOF - The present invention relates to a polylactide resin having excellent heat resistance, a preparation method thereof, and a polylactide resin composition including the same. | 07-24-2014 |
20140213752 | PREPARATION METHOD OF POLYLACTIDE RESIN - The present invention relates to a preparation method of a polylactide resin, in which the preparation method includes the step of performing ring opening polymerization of lactide monomers in the presence of an organometallic catalyst and an aromatic monomer scavenger, and the aromatic monomer scavenger is used in an amount of 0.1 to 20 parts by weight, based on 100 parts by weight of the lactide monomers. | 07-31-2014 |
20150051314 | EMULSION COMPOSITION FOR MANUFACTURING POLYALKYLENE CARBONATE PRODUCT AND RESIN PRODUCT USING THE SAME - The present invention relates to an emulsion composition for manufacturing a polyalkylene carbonate molded product and a molded product manufactured by using the same. The emulsion composition according to the present invention provides a resin molded product that has biodegradability and complete combustion decomposability to show environment-friendly feature and rubber-like properties. | 02-19-2015 |
20150105501 | RESIN FILM BASED POLYALKYLENE CARBONATE AND METHOD FOR PREPARING THE SAME - The present invention relates to a polyalkylene carbonate-based resin film and a manufacturing method thereof. The polyalkylene carbonate-based resin film according to the present invention has biodegradability and complete combustion decomposability to show environment-friendly feature and rubber-like properties. Therefore, the resin film can be applied to various resin molded products requiring elasticity, and in particular, preferably applied to resin molded products such as disposable groves, disposable containers, and disposable rubber molded products. | 04-16-2015 |
20150111751 | CRYOPROBE USING CLOSED GAS LOOP FOR NUCLEAR MAGNETIC RESONANCE APPARATUS - Provided is a cryoprobe using a closed gas loop for a nuclear magnetic resonance apparatus, including: superconducting magnets providing a magnetic field; a rotor rotatably disposed between the superconducting magnets in the state of a sample being put therein, the rotor being rotated by a driving gas; a coil configured to generate a nuclear magnetic resonance spectrum according to a resonance phenomenon of the sample by applying a radio frequency to the rotor; and a gas loop configured to cool the driving gas in a cryogenic condition while circulating it in a closed-loop condition and to supply the driving gas to the rotor, wherein the gas loop supplies the driving gas to the rotor while cooling it in a cryogenic condition, thereby rotating the rotor. | 04-23-2015 |
20150218310 | METHOD OF MANUFACTURING POLYALKYLENE CARBONATE - The present invention relates to a method of manufacturing polyalkylene carbonate. More specifically, the method of manufacturing polyalkylene carbonate includes solution-polymerizing an epoxide compound and carbon dioxide in the presence of a cobalt complex having a neutral singe-site as a catalyst and a solvent, thereby providing stability and adjusting degree of polymerization and being advantageous for performing a post-treatment process after polymerization. | 08-06-2015 |
20150259474 | POLYALKYLENECARBONATE RESIN AND METHOD FOR PREPARING THE SAME - This disclosure relates to polyalkylene carbonate resin that inhibits decomposition of resin resulting from back-biting and the like when heat treated, and thus exhibits improved thermal stability, and a method for preparing the same. The polyalkylene carbonate resin may comprise a basic polyalkylene carbonate based repeat unit, a polyalkyleneglycol based repeat unit, and the polyalkylene carbonate repeat unit crosslinked by a specific compound. | 09-17-2015 |
20150259486 | ORIENTED FILM - The present invention relates to a oriented film having excellent mechanical physical properties and more improved flexibility and elongation to be preferably usable as a packaging film, and the like, wherein the oriented film includes: a lactide copolymer including two or more block copolymer repeating units in which hard segments of polylactide repeating units are bound to both ends of soft segments of polyether polyol repeating units, the block copolymer repeating units being linked with each other, and a slope of a stress-strain curve at a section having a strain of 0 to 16% is 0.5 to 1.1. | 09-17-2015 |
20150274882 | METHOD FOR PREPARING POLYALKYLENECARBONATE - This disclosure relates to a method for preparing polyalkylenecarbonate. More specifically, in the method for preparing polyalkylenecarbonate, by using a solution polymerization with a specific heterogeneous catalyst and a solvent in the polymerization process of an epoxide compound and carbon dioxide, the products of side-reaction are reduced, removal of metal residues and by-products from the products is facilitated, danger due to overheating of the reactants is minimized, and heat removal and process stability are improved, and thus, high molecular weight copolymer may be easily provided, and mass production and scale-up are easy. | 10-01-2015 |
20150274898 | LACTIDE COPOLYMER, AND RESIN COMPOSITION AND FILM COMPRISING SAME - The present invention relates to a lactide copolymer exhibiting excellent flexibility and having more improved processability and productivity at the time of performing an extrusion and molding process, and a resin composition and film including the same, wherein the lactide copolymer includes a predetermined number of block copolymer repeating units in which hard segments of polylactide repeating units are bound to both ends of soft segments of polyether polyol repeating units, and has a weight-average molecular weight of 150,000 to 300,000, and a melt index y (MI; g/10 min) satisfying a specific relationship, the MI being measured under a load of 2.16 kg and at a temperature of x□ between 170□ and 210□. | 10-01-2015 |
20150284516 | LACTIDE COPOLYMER, METHOD FOR PREPARING SAME, AND RESIN COMPOSITION COMPRISING SAME - The present invention relates to a lactide copolymer having excellent general physical properties such as mechanical physical properties, processability, and the like, and having excellent flexibility to be effectively usable as a packaging material, and the like, a preparing method thereof, and a resin composition including the same, wherein the lactide copolymer includes: two or more block copolymer repeating units in which hard segments of polylactide repeating units are bound to both ends of soft segments of polyether polyol repeating units, the block copolymer repeating units are linked with each other via a urethane linking group induced from a polyvalent isocyanate compound having more than 2 to less than 3 equivalents of an isocyanate group per a molecule, and the polyether polyol repeating unit has a number average molecular weight of 1000 to 10000. | 10-08-2015 |
20150318823 | DEMODULATION DEVICE, AND DEMODULATION INTEGRATED DEVICE AND MODULATION AND DEMODULATION INTEGRATED DEVICE USING THE SAME - A demodulation device according to the present invention includes a spin device configured to output an oscillation signal; a phase control unit configured to assign a predetermined phase locking characteristic to the spin device, thereby causing the oscillation signal to be tuned to a modulation signal that is input to the spin device; and a detector configured to demodulate the oscillation signal that is output by the spin device and tuned to the modulation signal, thereby restoring information carried on the oscillation signal. | 11-05-2015 |
20150361023 | PREPARATION METHOD OF ORGANIC ZINC CATALYST AND POLY(ALKYLENE CARBONATE) RESIN - The present invention relates to a preparation method of an organic zinc catalyst capable of preparing an organic zinc catalyst having a finer and more uniform particle size and more improved activity during a polymerization process for preparing a poly(alkylene carbonate) resin, and a preparation method of a poly(alkylene carbonate) resin using the organic zinc catalyst. The preparation method of an organic zinc catalyst includes reacting a zinc precursor and a dicarboxylic acid in the presence of a dispersant to form a zinc dicarboxylate-based catalyst, wherein a reaction step is performed under a condition at which the number of moles of the dicarboxylic acid present in a reaction system is larger than that of the zinc precursor throughout the entire reaction step. | 12-17-2015 |
Seung Young Yoo, Gyeongsangnam-Do KR
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20090230120 | Welding head carrier for use in welding inner surface of tube - A welding head carrier for use in welding the inner surface of a tube includes inter alia a welding head provided with a welding torch and a camera, a wireless camera mounted at the inner side of the tube to monitor whether cables are entangled, a wireless receiver for receiving wirelessly an image from the wireless camera, including a camera controller for controlling the camera and the wireless receiver, display for displaying the welding operation and the inside of the tube. Fixing units can be adjusted in length depending on the size of the tube, thus eliminating the need for the rebuilding or replacement of the welding head carrier, leading to cost savings. The welding head can be easily mounted, regardless of size and configuration of the welding head, and the range of use of the welding head carrier can be extended. | 09-17-2009 |
Seung-Young Ahn, Daejeon KR
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20130304443 | METHOD AND DEVICE FOR DESIGNING A CURRENT SUPPLY AND COLLECTION DEVICE FOR A TRANSPORTATION SYSTEM USING AN ELECTRIC VEHICLE - Provided is a method for designing a current supply device for wirelessly supplying power to a vehicle having a current collection device. In the design method, the gap between the two adjacent magnetic poles of the current supply device is received as input and then the gap between the current supply device and the current collection device is determined based on the gap between the two magnetic poles. Next, the magnitude of the power to be supplied to the current supply device is determined based on the value required with respect to the magnitude of the magnetic field and the gap between the current supply device and the current collection device. According to the design method, current supply device can easily be designed since various functional requirements are decoupled from each other. | 11-14-2013 |
20140319927 | POWER SUPPLY AND PICKUP SYSTEM CAPABLE OF MAINTAINING STABILITY OF TRANSMISSION EFFICIENCY DESPITE CHANGES IN RESONANT FREQUENCY - The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency. | 10-30-2014 |
Seung-Young Choi, Seoul KR
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20120183312 | APPARATUS AND METHOD OF PROTECTING FUSER UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME - An apparatus and method of protecting a fuser unit and an image forming apparatus having the same include a fuser drive motor portion to drive the fuser unit, a power detecting portion to detect power that is supplied to the fuser unit, and a power cutoff portion to cut off the power supplied to the fuser unit when a motor rotation signal is not output from the fuse drive motor portion and the power detecting portion detects the power that is supplied to the fuser unit. The fuser unit protecting apparatus and method and the image forming apparatus including the fuser unit protecting apparatus are configured to detect rotation of a fuser drive motor and supply of an alternating current required for a temperature rise and cut off the power supply when abnormal conditions occur, to prevent a continuous rise in a temperature of the fuser unit as well as deformation thereof. | 07-19-2012 |
20130038232 | LIGHT UNIT AND DRIVING METHOD THEREOF - A light unit includes: an integrated power (“IP”) board which receives power supply and converts the power supply into a high voltage and a supply voltage; a lamp; and a terminal board (“T board”) which receives the high voltage from the IP board to turn on the lamp, receives the supply voltage from the IP board to transfer the supply voltage to the IP board, in which the IP board transfers the high voltage to the T board after the IP board receives the supply voltage from the T board. | 02-14-2013 |
20130321484 | METHOD OF DRIVING LIGHT-SOURCE AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of driving a light-source module includes adjusting a frequency of a boosting switching signal based on a dimming signal which controls luminance of a light-emitting diode (“LED”) string of the light-source module, where the LED string comprises a plurality of LEDs connected to each other in series, and controlling a main transistor in response to the boosting switching signal to transfer a driving voltage to the LED string. | 12-05-2013 |
Seung-Young Lee, Incheon KR
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20160027769 | INTEGRATED CIRCUIT, SEMICONDUCTOR DEVICE BASED ON INTEGRATED CIRCUIT, AND STANDARD CELL LIBRARY - An integrated circuit (IC) may include at least one cell including a plurality of conductive lines that extend in a first direction and are in parallel to each other in a second direction that is perpendicular to the first direction, first contacts respectively disposed at two sides of at least one conductive line from among the plurality of conductive lines, and a second contact disposed on the at least one conductive line and the first contacts and forming a single node by being electrically connected to the at least one conductive line and the first contacts. | 01-28-2016 |
20160055283 | STANDARD CELL LIBRARY, METHOD OF USING THE SAME, AND METHOD OF DESIGNING SEMICONDUCTOR INTEGRATED CIRCUIT - A method of designing a semiconductor integrated circuit (IC) is provided as follows. A standard cell library is generated. The standard cell library includes characteristic information for a plurality of standard cells. The characteristic information includes a characteristic of each standard cell. A characteristic change region is detected. The characteristic change region includes at least one of the plurality of standard cells by comparing characteristics of standard cells to be placed adjacent to the characteristic change region, based on the standard cell library. A characteristic of the at least one standard cell included in the detected characteristic change region is changed to one of the characteristics of the standard cells to be placed adjacent to the characteristic change region to update the standard cell library. A plurality of standard cells of the updated standard cell library is placed. | 02-25-2016 |
20160055286 | METHOD OF DESIGNING LAYOUT OF INTEGRATED CIRCUIT AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT - A method of designing a layout of an integrated chip (IC) includes designing a first layout by place and route a plurality of standard cells that define the IC, and generating a second layout by modifying the first layout during a mask data preparation process related to the first layout, wherein the second layout is generated by connecting first and second patterns from among first layer patterns that correspond to a first layer of the first layout, such that the number of masks necessary for forming the first layer patterns is reduced. | 02-25-2016 |
20160099211 | SYSTEM ON CHIP - Systems on chips are provided. A system on chip (SoC) includes a first gate line, a second gate line and a third gate line extending in a first direction, a gate isolation region cutting the first gate line, the second gate line and the third gate line and extending in a second direction across the first direction, a first gate contact formed on the second gate line arranged between the first gate line and the third gate line, and electrically connecting the cut second gate line, a second gate contact formed on the first gate line, a third gate contact formed on the third gate line, a first metal line electrically connecting the second gate contact and the third gate contact, and a second metal line electrically connected to the first gate contact. | 04-07-2016 |
Seung-Young Shin, Seoul KR
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20140316636 | MOVING ROBOT, USER TERMINAL APPARATUS AND CONTROL METHOD THEREOF - A moving robot configured to generate a map of an environment of a territory and allow a user to set a structure of the territory and information on the map used for a location-based service and to use a more intuitively intelligent service is provided. The moving robot includes an operation performer configured to move around a territory and perform a certain operation, a detector configured to collect map building information of the territory, and a controller configured to control the moving robot to move to a set particular area within the territory by referring to the map information of the territory generated based on the collected map building information and control the operation performer to perform the operation with respect to the particular area. | 10-23-2014 |
20150112759 | METHOD AND APPARATUS FOR PROVIDING CUSTOMIZED FOOD LIFE SERVICE - A method and apparatus for providing a customized food life service is provided. The method includes: sensing a wireless frequency identification tag attached to food to receive data; processing and storing the received data; analyzing and modeling the stored data; and providing food management information based on the analyzing and modeling result. | 04-23-2015 |