Patent application number | Description | Published |
20100302325 | Integrated Apparatus for Supplying Ink and Regulating Pressure - Disclosed is an integrated apparatus for supplying ink and regulating pressure, which comprises a chamber accommodating ink, a main chamber preliminarily storing ink to be supplied to the chamber, a nozzle communicating with the chamber and jetting ink transferred from the chamber to an outside, a first valve blocking or letting flow of ink between the main chamber and the chamber, a second valve blocking and letting flow of ink between the chamber and the nozzle, a piston placed above ink accommodated in the chamber and reciprocating rectilinearly while sealing ink inside the chamber, a piston driver providing a driving force to the piston, a sensor installed in the chamber and sensing pressure due to weight of ink, and a controller receiving a sensed signal from the sensor and outputting a signal for controlling the piston to the piston, wherein the piston moves down as a level of ink accommodated in the chamber is lowered when ink is discharged to the outside through the nozzle, and the piston moves up and the first valve and the second valve are respectively opened and closed when ink is filled in the chamber. | 12-02-2010 |
20110028305 | FABRICATION METHOD FOR FUNCTIONAL SURFACE - Provided is a fabrication method for a functional surface that has self-cleaning ability and superhydrophilic anti-reflective property, which includes a) arranging a plurality of beads having a sphere shape on a surface of a transparent substrate; b) forming a predetermined inter-bead gap by etching the plurality of beads; c) forming a surface unevenness on the surface of the substrate by etching the substrate using the plurality of the beads having the predetermined gap as an etching mask; d) removing the plurality of the beads from the surface of the substrate; and e) forming a photocatalytic layer or a compound layer having a surface tension of 18 to 28 N/m on the surface of the substrate formed with the surface unevenness. | 02-03-2011 |
20110287122 | APPARATUS AND METHOD FOR FABRICATING 3D SCAFFOLD - An apparatus for fabricating a 3D scaffold includes: a plotter generating a microfiber structure; an electrospinning unit installed to be adjacent to the plotter along a first direction and spinning nanofiber in an internal space or on a surface of the microfiber structure to form a nanofiber web; a collection table reciprocating a lower portion of the plotter and that of the electrospinning unit along the first direction to allow the microfiber structure to be stacked thereon by the plotter and allow the nanofiber web to be formed thereon by the electrospinning unit; and a first guide rail allowing the collection table to be mounted thereon and guiding the collection table mounted thereon to reciprocate along the first direction. | 11-24-2011 |
20130070900 | COMBINE APPARATUS OF SCANNING ELECTRON MICROSCOPE AND ENERGY DISPERSIVE X-RAY SPECTROSCOPY - Disclosed is a combine apparatus of a scanning electron microscope and an energy dispersive x-ray spectroscopy in that the scanning electron microscope and the energy dispersive x-ray are combined, whereby unifying as one apparatus. The combine apparatus of the scanning electron microscope and the energy dispersive x-ray spectroscopy includes: an image generation means for detecting electrons emitted from a sample for measuring a shape of the sample and simultaneously generating a scanning electron microscope image for analyzing an x-ray; a controller for generating a display control signal and a specific position storing control signal of the image generated from the image generation means; and an x-ray measuring circuit for accumulating an energy level on a specific position of the image generated from the image generation means according to the specific position storing control signal generated by the controller to provide an element information thereof. | 03-21-2013 |
20130221218 | ELECTRON MICROSCOPE SYSTEM USING AUGMENTED REALITY - Provided is an electron microscope system using an augmented reality in that it recognizes a sample identification information by using an observation image generated through an electron microscope and the observation image is linked with the pre-set sample information according to the recognized sample identification information, so that an augmented reality image thereof is provided, thereby even the unskilled man can easily utilize the electron microscope and it can generate excitement about an education thereof. | 08-29-2013 |
20150044683 | COMPOSITION FOR HOT-START REVERSE TRANSCRIPTION REACTION OR HOT-START REVERSE TRANSCRIPTION POLYMERASE CHAIN REACTION - A composition for hot-start reverse transcription reaction and a composition for reverse transcription PCR are disclosed. The composition is obtained by adding pyrophosphate and pyrophosphatase to an aqueous solution containing reaction buffer solution, MgCl | 02-12-2015 |
20150072351 | HIGH-SENSITIVITY NUCLEIC ACID PREPARATION METHODS FOR THE DETECTION OF NUCLEIC ACID BY NUCLEIC ACID POLYMERASE - The present invention relates to a method for preparing a nucleic acid with high sensitivity, wherein a nucleic acid polymerase is used to add a terminator to the nucleic acid to be used for analysis prior to a nucleic acid polymerization reaction such as a PCR reaction, a real time quantitative PCR reaction, or the like, for detecting a trace of nucleic acid, such that a non-specific priming occurring competitively with an amplification reaction of a target nucleic acid may be basically eliminated, thereby precisely detecting only the trace of target nucleic acid and precisely measuring a concentration of the target nucleic acid. | 03-12-2015 |
Patent application number | Description | Published |
20080226340 | DEVELOPING CARTRIDGE, IMAGE FORMING APPARATUS HAVING THE SAME, AND MAINTENANCE METHOD OF DEVELOPING CARTRIDGE - A developing cartridge includes a main frame including a photosensitive medium, and a charging member frame including a charging member to charge the photosensitive medium and detachably disposed at the main frame. The main frame includes a plurality of frame reference grooves, and the charging member frame includes a plurality of frame reference projections to be inserted into the plurality of frame reference grooves of the main frame. | 09-18-2008 |
20100008682 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - An image forming apparatus and a control method thereof are provided. The image forming apparatus includes: an image carrying body which includes a surface on which a developer which corresponds to printing data is applied; a transferring unit which receives transferring electric power to form a transferring area which transfers the developer to a transferring target body; a power supply unit which applies transferring electric power to the transferring unit; and a control unit which controls the power supply unit to apply first transferring electric power or second transferring electric power based on the amount of the developer in a unit section on a surface of the image carrying body. Thus, the present general inventive concept provides an image forming apparatus and a control method thereof for improving a printing image quality. | 01-14-2010 |
20100316409 | IMAGE FORMING APPARATUS, METHOD OF HANDLING THE IMAGE FORMING APPARATUS, AND METHOD OF PACKAGING THE IMAGE FORMING APPARATUS - Disclosed are an electrophotographic image forming apparatus including a detachable development cartridge having arranged therein a photoconductive drum and a developing roller for forming a toner image through a development nip formed between the photoconductive drum and the developing roller. The development cartridge may include a development nip control member that can switch between a first position, in which the development nip control member causes the photoconductive drum to be separated from the developing roller, and a second position, in which the development nip control member causes the photoconductive drum to be in a pressing contact with the developing roller so as to form therebetween the development nip. The development cartridge may be mounted in the main body of the electrophotographic image forming apparatus with its development nip control member being in the first position, separating the photoconductive member from the developing roller. The electrophotographic image forming apparatus may be packaged for distribution with the development cartridge received in the main body thereof where the photoconductive drum and the developing roller are no in contact with each other in the development cartridge as packaged. | 12-16-2010 |
20140119758 | IMAGE FORMING APPARATUS AND CONTROL METHOD FOR THE SAME - An image forming apparatus and a control method for the same, which ensure acquisition of a high-quality image by controlling physical-states of toner on a developer roller based on sensed variation in states of internal components of a developer cartridge, and which enable sensing and determination of the lifespan of the developer cartridge, is provided. The control method for the image forming apparatus includes applying a current detection bias to a developer roller blade of a developer cartridge, detecting the magnitude of current of the developer roller blade when the current detection bias is applied to the developer roller blade, and variably controlling a developer cartridge bias to be applied to the developer cartridge for image formation based on the detected magnitude of current of the developer roller blade, so as to allow a target magnitude of constant current to flow through the developer roller blade during image formation. | 05-01-2014 |
20150037074 | DEVELOPING UNIT AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS EMPLOYING THE SAME - A developing unit employing a two-component developing agent is shown. The developing unit includes a first regulating member, a second regulating member, and a third regulating member forming first, second, and third regulating gaps respectively with a developing roller. The third regulating member forms a recovery path for recovering excessive developing agent that may not pass through the first and second regulating gaps to an agitating region between the third and second regulating members. A distance between a vertical line passing through an upstream side end portion of the second regulating member based on a rotating direction of the developing roller and a center of the developing roller is greater than a radius of the developing roller, and a downstream end of the third regulating member is located between a regulating pole and a catch pole. | 02-05-2015 |
20150042801 | APPARATUS FOR CONTROLLING LAMP FOR VEHICLE AND METHOD FOR CONTROLLING LAMP FOR VEHICLE USING THE SAME - Disclosed herein are an apparatus for controlling a lamp for vehicles and a method of controlling a lamp for vehicles using the same. The apparatus includes a first sensing unit to sense information regarding approaching to a current object when one's own vehicle is running, a second sensing unit to sense current brightness information of the lamp installed at the vehicle when the vehicle is running, a control unit receiving the information regarding approaching to a current object sensed by the first sensing unit and the current brightness information sensed by the second sensing unit and including a range of information regarding approaching to a preset reference object and a range of reference brightness information. | 02-12-2015 |
Patent application number | Description | Published |
20100055599 | METHOD OF PREPARING TONER HAVING CORE-SHELL STRUCTURE AND TONER PREPARED USING THE SAME - A method of preparing a toner having a core-shell structure. The method includes: preparing a mixture by mixing a resin with acid groups, a coloring agent and at least one additive with an organic solvent, and neutralizing the acid groups of the resin with a base; forming a micro-suspension solution by adding the mixture to a dispersion medium; forming a toner core by removing the organic solvent from the micro-suspension; and forming a toner complex having a core-shell structure by seed-polymerizing at least one monomer on the surface of the toner core. Thus, the toner that can prevent hot offsets, improve storage stability at a high temperature and improve charge stability against environment changes can be prepared with reduced costs according to the method. | 03-04-2010 |
20100098462 | METHOD OF PREPARING TONER USING MICRO-SUSPENSION PARTICLES AND TONER PREPARED USING THE METHOD DIGITAL IMAGE DATA - A method of preparing a toner using a micro-suspension particle, includes preparing a mixture by mixing a resin having acidic groups, a master batch of coloring pigment, and at least one additive with an organic solvent, and then neutralizing the acid groups of the resin with a base; forming a micro-suspension by adding the prepared mixture to a dispersion medium; and forming a toner composition by removing the organic solvent from the prepared micro-suspension. Therefore, the method of preparing a toner using the disclosed micro-suspension particle and a toner prepared using the same can save manufacturing costs, and can improve charging ability and cleaning properties of the toner. | 04-22-2010 |
20100272471 | ELECTROPHOTOGRAPHIC TONER AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING THE SAME - Provided are an electrophotographic toner and an electrophotographic image forming apparatus using the same. The electrophotographic toner includes: parent toner particles including a binder resin, a colorant, a releasing agent, and a charge control agent; and barium titanate external additives having an average primary particle diameter in the range of about 50 to about 150 nm, an average shape factor (SF1) in the range of about 100 to about 120, a shape factor in the range of about 0.96 to about 1, and an aspect ratio in the range of about 0.89 to about 1, and added to the surface of the parent toner particles. | 10-28-2010 |
Patent application number | Description | Published |
20080243305 | Central information processing system and method for service robot having layered information structure according to recognition and reasoning level - Provided are a central information processing system and a method for a service robot. The system includes a broker unit including at least one of interfaces for analyzing an information request from a corresponding service robot, transforming a format of the requested information to a robot-readable format, and transmitting the transformed information to the service robot, a spatial information manager for hierarchically composing and storing spatial information according to a recognition/reasoning level, searching spatial information requested by the broker unit, and returning the searched spatial information, an object information manager for hierarchically composing and storing object information about objects according to a recognition/reasoning level, searching object information requested by the broker unit, and returning the searched object information, and a space and object reasoning unit for searching and reasoning upper layer information about the object or space using lower layer information obtained from real environment or object, or searching and reasoning lower layer information to be used for comprehension of the object or space from upper layer information. | 10-02-2008 |
20100157207 | IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An in-plane switching mode liquid crystal display device includes: first and second substrates facing and spaced apart from each other; a first polarizing plate including a supporting layer, a first polarizing layer and a first protecting layer sequentially on an outer surface of the first substrate; a second polarizing plate including a first compensating layer, a second compensating layer, a second polarizing layer and a second protecting layer sequentially on an outer surface of the second substrate, the first and second compensating layers including positive and negative biaxial retardation films, respectively; and a liquid crystal layer between the first and second substrates. | 06-24-2010 |
20140218665 | IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE INCLUDING POLARIZING PLATE AND METHOD OF FABRICATING THE SAME - An in-plane switching mode liquid crystal display device includes: first and second substrates facing and spaced apart from each other; a first polarizing plate including a supporting layer, a first polarizing layer and a first protecting layer sequentially on an outer surface of the first substrate; a second polarizing plate including a first compensating layer, a second compensating layer, a second polarizing layer and a second protecting layer sequentially on an outer surface of the second substrate, the first and second compensating layers including positive and negative biaxial retardation films, respectively; and a liquid crystal layer between the first and second substrates. | 08-07-2014 |