Patent application number | Description | Published |
20090011308 | Preparation of Gas Diffusion Layer for Fuel Cell - A common method of preparing a gas diffusion layer for a fuel cell has problems in that a microporous layer is impregnated into a substrate, thereby lowering the porosity of the substrate, and cracks are created on a surface of a gas diffusion layer prepared using the method. Provided is a method of reproducibly preparing a gas diffusion layer with a uniform thickness and no cracks based on the principle of a primer coating method, wherein a first microporous layer is hardly impregnated into a substrate and uniformly covers a surface of the substrate, and at least one microporous layer is further coated on the first microporous layer. Provided is also a fuel cell showing improved performance by enhancing utilization of a catalyst layer and guaranteeing a uniform diffusion of fuel and an efficient discharge of a product. | 01-08-2009 |
20090048925 | METHOD OF RANKING KEYWORD ADVERTISEMENTS USING CLICK THROUGH RATE - Disclosed is a method of running a keyword advertisement service, which comprises providing a CTR-at-rank of a first keyword advertisement using a keyword, providing an average CTR-at-rank of a plurality of keyword advertisements, and computing an adjusted CTR of the first keyword advertisement using the CTR-at-rank and the average CTR-at-rank. The CTR-at-rank of the first keyword advertisement represents a click-through rate for the first keyword advertisement during a predetermined period. The average CTR-at-rank represents an average value of collective click-through rates of the plurality of keyword advertisements during a preselected period. | 02-19-2009 |
20090063278 | METHOD AND SYSTEM FOR ADJUSTING QUALITY INDEX AND PROVIDING ADVERTISEMENT USING ADJUSTED QUALITY INDEX - Disclosed is a method and system for adjusting a quality index and providing an advertisement using the adjusted quality index. The method includes adjusting a quality index based on a maximum quality index and minimum quality index among quality indexes of advertisements included in an advertisement region, and providing an advertisement according to the advertisement region based on the adjusted quality index. | 03-05-2009 |
20090096005 | SEMICONDUCTOR MEMORY DEVICE INCLUDING DOUBLE SPACERS ON SIDEWALL OF FLATING GATE, ELECTRONIC DEVICE INCLUDING THE SAME - A semiconductor memory device includes a device isolation layer formed in a semiconductor substrate to define a plurality of active regions. Floating gates are disposed on the active regions. A control gate line overlaps top surfaces of the floating gates and crosses over the active regions. The control gate line has an extending portion disposed in a gap between adjacent floating gates and overlapping sidewalls of the adjacent floating gates. First spacers are disposed on the sidewalls of the adjacent floating gates. Each of the first spacers extends along a sidewall of the active region and along a sidewall of the device isolation layer. Second spacers are disposed between outer sidewalls of the first spacers and the extending portion and are disposed above the device isolation layer. An electronic device including a semiconductor memory device and a method of fabricating a semiconductor memory device are also disclosed. | 04-16-2009 |
20100047771 | MARKERS FOR THE DIAGNOSIS OF LUNG CANCER - Disclosed is a diagnostic marker specific for lung cancer. Also, the present invention relates to a composition and a kit, comprising an agent measuring the presence of the marker, and a method of diagnosing lung cancer using the composition or kit. | 02-25-2010 |
20110069294 | APPARATUS AND METHOD FOR EXPOSING EDGE OF SUBSTRATE - An apparatus and method for exposing an edge of a substrate are disclosed, in which an exposure time period for exposing the edge of the substrate is reduced. The apparatus for exposing an edge of a substrate includes a loading unit loading the substrate, and an edge exposure unit exposing the edge of the substrate loaded by the loading unit using each of a long side exposure unit and a short side exposure unit. Therefore, since the edge of the substrate is exposed using each of the long side exposure unit and the short side exposure unit, it is possible to reduce the edge exposure time period, thereby improving productivity. In addition, since no rotation of the substrate is required, it is possible to reduce the size of the apparatus. Moreover, since the apparatus is provided in an in-line type, it is possible to easily draw the substrate using a conveyer. | 03-24-2011 |
20110101439 | INTERCONNECTION STRUCTURES FOR SEMICONDCUTOR DEVICES - An interconnection structure for a semiconductor device includes an inter-level insulation layer disposed on a semiconductor substrate. First contact constructions penetrate the inter-level insulation layer. Second contact constructions penetrate the inter-level insulation layer. Metal interconnections connect the first contact constructions to the second contact constructions on the inter-level insulation layer. The first contact constructions include first and second plugs stacked in sequence and the second contact constructions include the second plug. | 05-05-2011 |
20110303962 | NON-VOLATILE MEMORY DEVICES WITH NON-UNIFORM FLOATING GATE COUPLING - A memory device includes a substrate having an active region defined therein that extends linearly along a first direction. The device also includes a select line on the substrate and extending along a second direction to perpendicularly cross the active region, first and second floating gate patterns on the active region and spaced apart along the first direction, and first and second dielectric patterns on respective ones of the first and second floating gate patterns. The device further includes first and second word lines on respective ones of the first and second dielectric patterns and extending in parallel with the select line along the first direction. A first area of overlap of the first word line with the first floating gate pattern and the first dielectric pattern is less than a second area of overlap of the second word line with the second floating gate pattern and the second dielectric pattern. The first word line may be disposed between the select line and the second word line. | 12-15-2011 |
20110318361 | Anticancer Drug Comprising Inhibitor of Tmprss4 - The present invention relates to an anticancer agent containing a TMPRSS4 (transmembrane protease, serine 4) inhibitor as an effective ingredient, more precisely an anticancer agent containing an inhibitor of TMPRSS4 activity as an effective ingredient. The anticancer agent of the present invention can be used effectively for the treatment of cancer by inhibiting TMPRSS4 expression in cancer cells and thereby inhibiting cancer cell invasion and cancer cell growth. | 12-29-2011 |
20130181278 | NON-VOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE DEVICE - Provided is a non-volatile memory device that includes a substrate including a plurality of active regions extending in a first direction and a plurality of element isolation trenches disposed between the active regions, a plurality of tunnel insulating layer patterns and a plurality of storage layer patterns sequentially disposed on the substrate, a plurality of blocking insulating layers and a plurality of gate electrodes disposed on the storage layer patterns and extending in a second direction perpendicular to the first direction, and first insulating layers including air gaps disposed between the active regions on the element isolation trenches and extending in the first direction, wherein the active regions include first active regions and second active regions adjacent to the first active regions, wherein a width of first air gaps is different from a width of second air gaps. | 07-18-2013 |
20140147166 | IMAGE FORMING APPARATUS - An image forming apparatus includes: an image carrier unit that includes an image carrier and is configured to be capable of being housed in and removed from an image-forming-apparatus main body; an exposure device that is arranged close to the image carrier to form an electrostatic latent image; a retracting mechanism that holds the exposure device close to the image carrier when the image carrier unit is housed in the image-forming-apparatus main body, and holds the exposure device away from the image carrier when the image carrier unit is being removed from the image-forming-apparatus main body; a covering member that covers the retracting mechanism in a state where backlash of the exposure device at least in a main-scanning direction is allowed; and a guide mechanism that positions the exposure device in the main-scanning direction when the exposure device comes closer to the image carrier through the retracting mechanism. | 05-29-2014 |
20150287509 | ELECTROMAGNETIC ACTUATOR - An electromagnetic actuator includes a first body which includes a biased permanent magnet, a magnetic path control device which is disposed to adjust a magnetic path produced by the biased permanent magnet, at least one core which is disposed to face the biased permanent magnet and the magnetic path control device, and a coil which is wound on the at least one core so as to reinforce or cancel the magnetic path produced by the biased permanent magnet; and a second body which is separated from the biased permanent magnet and the magnetic path control device when the at least one core is between the second body and at least one of the biased permanent magnet and the magnetic path control device. | 10-08-2015 |
20150348987 | SEMICONDUCTOR DEVICE INCLUDING DIFFERENT ORIENTATIONS OF MEMORY CELL ARRAY AND PERIPHERAL CIRCUIT TRANSISTORS - A memory device includes a memory cell on a first region of a substrate. An active region is in a second region neighboring the first region of the substrate, and an extension direction of the active region has an acute angle with the <110> direction of the substrate. A transistor serving as a peripheral circuit is on the second region of the substrate. In the memory device, defects or failures due to a crystal defects or a dislocation of the substrate may decrease. | 12-03-2015 |
Patent application number | Description | Published |
20090230481 | SEMICONDUCTOR DEVICE FORMED USING SINGLE POLYSILICON PROCESS AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device including a source/drain and a gate formed using a doped polysilicon process, and a method of fabricating the semiconductor device. The method comprises: forming a gate insulating layer on a part of an active region on a first conductivity type epitaxial layer; forming a conductive layer on the epitaxial layer; implanting high concentration impurities of a second conductivity type a first portion of the conductive layer on the gate insulating layer and second portions of the conductive layer on both sides of the first insulating layer; patterning the conductive layer; forming a second insulating layer on the epitaxial layer and high concentration impurity regions of the second conductivity type below the second conductive pattern; and implanting low-concentration impurities of the second conductivity type into the epitaxial layer between a gate structure and the high concentration impurity regions. | 09-17-2009 |
20090250753 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device and a method of fabricating the semiconductor device. The semiconductor device using a DMOS device includes: a semiconductor substrate, in which a first conductive type well is formed; a first conductive type gate electrode formed on the semiconductor substrate with a gate insulating layer intervening between the gate electrode and the semiconductor substrate; a second conductive type body electrode formed on the semiconductor substrate and separated from the gate electrode; a first conductive type drain electrode formed on the semiconductor substrate and separated from the gate electrode and the body electrode; a second conductive type first body region formed in the well under the body electrode; a second conductive type second body region extending from the first body region to the gate insulating layer and formed in the well; a first conductive type source region formed in the second body region and extending from the first body region to the gate insulating layer; and a first conductive type source electrode extending from the source region to surround the gate electrode on the semiconductor substrate with an insulating layer intervening between the source electrode and gate electrode. | 10-08-2009 |
20100320537 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device and a method of fabricating the semiconductor device. The semiconductor device using a DMOS device includes: a semiconductor substrate, in which a first conductive type well is formed; a first conductive type gate electrode formed on the semiconductor substrate with a gate insulating layer intervening between the gate electrode and the semiconductor substrate; a second conductive type body electrode formed on the semiconductor substrate and separated from the gate electrode; a first conductive type drain electrode formed on the semiconductor substrate and separated from the gate electrode and the body electrode; a second conductive type first body region formed in the well under the body electrode; a second conductive type second body region extending from the first body region to the gate insulating layer and formed in the well; a first conductive type source region formed in the second body region and extending from the first body region to the gate insulating layer; and a first conductive type source electrode extending from the source region to surround the gate electrode on the semiconductor substrate with an insulating layer intervening between the source electrode and gate electrode. | 12-23-2010 |
20120213035 | BOARD FOR SYNTHETIC APERTURE BEAMFORMING APPARTUS - The present invention relates to a board for a synthetic aperture ultrasound imaging apparatus which includes an analog to digital converter converting M analog channel data into M digital channel data; a partial beamformer unit including N partial beamformers generating N partial beams from the M digital channel data; and an adder adding a partial beam stored in a k-th synthetic aperture memory among a plurality of synthetic aperture memories and a partial beam outputted from a k+1-th partial beamformer to input the added partial beam to a k+1-th synthetic aperture memory. The present invention can facilitate an increase in the number of channels by adding a board without transmitting a lot of channel data between boards by exchanging and synthesizing a part of the scanline data between the boards at rear ends of the boards. | 08-23-2012 |
20130335423 | SYNTHETIC APERTURE BEAM FOCUSING METHOD AND APPARATUS FOR DETERMINING THE NUMBER OF COMPOSITE BEAMS ACCORDING TO A MOVEMENT LEVEL - Provided is an apparatus of determining the number of synthetic beams, comprising: a motion measurement unit which measures the degree of motion in an output beam-forming image; a synthetic beam number determination unit which determines the optimum number of synthetic beams based on the measured degree of motion in case of applying the synthetic aperture beam forming; and a display unit which displays the number of synthetic beams determined by the synthetic beam number determination unit. A system using synthetic aperture beam forming detects motion in an image and displays a degree of the motion in various manners, and thus, a user is allowed to actively cope with the motion by adjusting the number of synthetic beams, or the system is allowed to immediately change the number of synthetic beams with reference to data stored in advance. | 12-19-2013 |
20140071792 | METHOD FOR GENERATING SYNTHETIC IMAGE AND ULTRASONIC IMAGING APPARATUS USING SAME - The present disclosure relates to a method for generating a synthetic image. In the method, image data is generated using a receiving dynamic beamforming method, image data is generated using a synthetic aperture beamforming method, and the image data generated using the receiving dynamic beamforming method and the image data generated using the synthetic aperture beamforming method are synthesized with being applied with weighting factors according to advancing distances of ultrasonic waves. By using a zone blending method, in which image data according to a receiving dynamic beamforming method is mainly used for an ultrasonic image having a predetermined depth or less, and image data according to a synthetic aperture beamforming method is mainly used for an ultrasonic image having any other depth, a grating lobe and distortion of image brightness are eliminated. In addition, the non-uniformity of the image is compensated, and a uniform energy density is acquired even in an area near a virtual transmission sound source. | 03-13-2014 |
Patent application number | Description | Published |
20090157228 | USER INTERFACE DEVICE OF REMOTE CONTROL SYSTEM FOR ROBOT DEVICE AND METHOD USING THE SAME - A user interface device of a remote control system for a robot and a method using the same are provided. The user interface device includes: a radio frequency (RF) unit for receiving, from a remote control robot, camera data and at least one sensor data detecting a distance; a display unit having a main screen and at least one auxiliary screen; and a controller having an environment evaluation module for determining whether the received camera data are in a normal condition, and having a screen display mode change module for displaying, if the received camera data are in a normal condition, the camera data on the main screen and displaying, if the received camera data are in an abnormal condition, the sensor data on the main screen. | 06-18-2009 |
20090171504 | METHOD AND APPARATUS FOR DETECTING MOVEMENT ERROR IN MOBILE ROBOT - An apparatus and method for detecting movement errors due to the wheel slip or transient current generated while a mobile robot is traveling. The movement error detecting method includes: detecting movement of the wheels in a sensor part according to a movement command input to a drive motor, and outputting an actual output value from the sensor part; calculating an ideal output value for output from the sensor part as the wheels are moved according to the movement command; and comparing the actual output value with the ideal output value to determine and residual fault and detect movement errors. | 07-02-2009 |
20100165184 | Camera lens assembly - Disclosed is a camera lens assembly, including a fixed frame; a rotation frame disposed in the fixed frame and configured to rotate about a first axis; an image sensor frame provided in the rotation frame and configured to rotate about a second axis; a first driving part installed in the fixed frame and configured to rotate the rotation frame; and a second driving part installed in the rotation frame and configured to rotate the image sensor frame, wherein the second axis extends in a direction perpendicular to the first axis. | 07-01-2010 |
20100171874 | Apparatus and method for photographing image in portable terminal - A portable terminal includes an apparatus for photographing an image. The portable terminal can receive an image via a camera and recognize the received image through an image recognition process. The portable terminal can determine a photographing composition corresponding to the recognition result, and adjust an angle of the camera depending on the determined photographing composition. | 07-08-2010 |
20110133558 | GRID-CONNECTED POWER STORAGE SYSTEM AND METHOD FOR CONTROLLING GRID-CONNECTED POWER STORAGE SYSTEM - A grid-connected power storage system for coupling a power generation system to a grid, including: a main battery for discharging stored power to the load system; at least one additional battery coupled to the main battery for discharging stored power to the load system; a bidirectional converter coupled to the main and additional batteries, and including a plurality of switches for performing a conversion between a DC link voltage, between the power generation system and the grid, and a battery voltage, a first switch of the plurality of switches corresponding to the main battery and a second switch of the plurality of switches corresponding to the additional battery, wherein the first and second switches are connected to each other in parallel; and an integrated controller for selectively controlling operations of the first switch and the second switch based on an amount of power used by the load system. | 06-09-2011 |
20130088900 | ENERGY STORAGE SYSTEM AND CONTROLLING METHOD OF THE SAME - An energy storage system and a controlling method of the energy storage system are provided. The energy storage system reduces power consumption and increases inverter efficiency by providing a plurality of inverters in parallel and selectively driving ones of the inverters according to a power requirement of the load. The energy storage system supplies an alternating current (AC) power to a load. The energy storage system includes: a battery for supplying a direct current (DC) power; a plurality of inverters for connecting in parallel between the battery and the load to convert the DC power to the AC power; and a controller for selectively driving the inverters in accordance with a power requirement of the load. | 04-11-2013 |
20130169064 | ENERGY STORAGE SYSTEM AND CONTROLLING METHOD OF THE SAME - An energy storage system constructed with a power conversion system that transmits and receives electric power respectively to and from, an external power grid and to apply the electric power received from the external power grid to an electric load via a first path, and a bypass switch shunt coupled with the power conversion system to provide a second and different path to apply power received from the external power grid to the electric load. | 07-04-2013 |
20130175867 | GRID-CONNECTED POWER STORAGE SYSTEM AND METHOD FOR CONTROLLING GRID-CONNECTED POWER STORAGE SYSTEM - A grid-connected power storage system for coupling a power generation system to a grid, including: a main battery for discharging stored power to the load system; at least one additional battery coupled to the main battery for discharging stored power to the load system; a bidirectional converter coupled to the main and additional batteries, and including a plurality of switches for performing a conversion between a DC link voltage, between the power generation system and the grid, and a battery voltage, a first switch of the plurality of switches corresponding to the main battery and a second switch of the plurality of switches corresponding to the additional battery, wherein the first and second switches are connected to each other in parallel; and an integrated controller for selectively controlling operations of the first switch and the second switch based on an amount of power used by the load system. | 07-11-2013 |
20130201149 | ELECTRONIC DEVICE WITH FEEDBACK FUNCTION - An electronic device having a feedback function includes: a body; a button unit disposed in the body and includes a first sensing unit that senses an externally-applied touch operation to generate a first signal and a second sensing unit coupled to the first sensing unit and senses a variation in a physical quantity of the touch operation to generate a second signal that varies according to the variation in the physical quantity; a feedback generating unit disposed in the body and is operated by a feedback signal applied from the touch operation to generate feedback; and a controller that is electrically connected to the button unit to receive the first signal and the second signal and is electrically connected to the feedback generating unit to generate the feedback signal according to a variation in the feedback signal and changes a strength of the feedback generated by the feedback generating unit. | 08-08-2013 |
Patent application number | Description | Published |
20080218979 | Printed circuit (PC) board module with improved heat radiation efficiency - A Printed Circuit (PC) board module is structured such that heat generated by an Integrated Circuit (IC) device can be sufficiently radiated to the outside. The PC board module includes: a first PC board having a first conductive ground pad arranged therein; a plurality of via holes contained within the first PC board and positioned below the first ground pad; a plurality of conductive via lines contained within the plurality of via holes; a second PC board arranged below the first PC board; and a second conductive ground pad arranged on the second PC board and contacting the plurality of via lines. | 09-11-2008 |
20080224821 | METHOD AND APPARATUS FOR PERFORMING CROSS CERTIFICATION FOR USING WIRELESS DEVICE - A method and apparatus for performing cross certification for using a wireless device. By recognizing a connection request of a wireless device, obtaining specific identification (ID) of the wireless device, receiving information on the wireless device through a wireless interface, registering the information on the wireless device in a host using the received information, and transmitting certification information combined with the obtained specific ID and connection information to the wireless device, cross certification between the host and the wireless device which performs wireless communication can be automatically performed without additional manipulation, such as connecting a physical device or inputting a value by a user. | 09-18-2008 |
20090167957 | Video signal processing device and method of processing gradation - Disclosed is a video signal processing device and a method of processing gradation capable of improving the contrast ratio and the user satisfaction of a plasma display device. The video signal processing device includes a position detecting unit for detecting positions of pixels to be displayed in a frame, a sub region detecting unit for detecting a central region including a reference point formed of at least one pixel in the frame and sub regions surrounding the central region, and a compensating unit for differently compensating brightness of pixels positioned in the sub regions and brightness of pixels positioned in the central unit. | 07-02-2009 |
20090180415 | METHOD, APPARATUS AND COMPUTER READABLE MEDIUM FOR REDUCING POWER-CONSUMPTION OF WIRELESS NETWORK DEVICE - A method, an apparatus, and a computer-readable medium to reduce power consumption of a wireless network device, the method including: receiving a packet; and determining whether to transmit the received packet to a host based on a state of the host and a packet transmission standard set for the host. Accordingly, it is possible to extend a period of use of a wireless portable terminal using an Internet protocol (IP)-based wireless network. | 07-16-2009 |
20090181713 | METHOD AND APPARATUS FOR CONTROLLING POWER SOURCE OF TERMINAL DEVICE FOR COMMUNICATING WITH WIRELESS WIDE AREA NETWORK - A method of controlling a power source of a terminal device for communicating with a wireless wide area network, the method including: receiving a data packet; determines whether only some components of the terminal device are to be used to process the received data packet or whether an entirety of the terminal device is to be used to process the received data packet; and based on the determination result, waking up the some components of the terminal device or the entirety of the terminal device from a sleep mode to an awake mode so as to process the received data packet. | 07-16-2009 |
20120210364 | METHOD AND SYSTEM FOR PROVIDING PERSONALIZED SERVICE IN IPTV - A method for providing a personalized service in an Internet Protocol Television (IPTV) includes pairing a mobile terminal with the IPTV. The method also includes receiving personalized data from the paired mobile terminal, and searching the Internet for contents satisfying the received personalized data and providing the searched contents. | 08-16-2012 |
20140340576 | DIGITAL CAMERA - A digital camera is capable of performing wireless communication with an external device. The digital camera includes a camera body and a lens barrel assembly mounted to the camera body and comprising a plurality of barrels for accommodating a plurality of photographing lenses, wherein at least one of the plurality of barrels is used as an antenna barrel configured as an antenna for the wireless communication, wherein the antenna barrel is formed from a metal material and comprises at least one slit filled with a dielectric material, so that the antenna barrel emits radio waves to perform the antenna function, and wherein an outer casing of the camera body, which surrounds an outer surface of the antenna barrel, is formed from a metal material so as to operate as a ground of the antenna barrel. | 11-20-2014 |
20150038087 | METHOD AND APPARATUS FOR ESTABLISHING COMMUNICATION BETWEEN AN IMAGE PHOTOGRAPHING APPARATUS AND A USER DEVICE - A method and apparatus for establishing communication between an image photographing apparatus and a user device is provided. In one implementation, the image photographing apparatus includes a communication module; a short-distance wireless communication module; and a controller. When tagging between the image photographing apparatus and a user device occurs, the short-distance wireless communication module provides connection information to the user device via short-distance wireless communication, the controller activates the communication module, and the communication module establishes communication with the user device using the connection information. | 02-05-2015 |
20150382041 | METHOD AND SYSTEM FOR PROVIDING PERSONALIZED SERVICE IN IPTV - A method for providing a personalized service in an Internet Protocol Television (IPTV) includes pairing a mobile terminal with the IPTV. The method also includes receiving personalized data from the paired mobile terminal, and searching the Internet for contents satisfying the received personalized data and providing the searched contents. | 12-31-2015 |