Patent application number | Description | Published |
20100171407 | FIELD ELECTRON EMITTER, FIELD ELECTRON EMISSION DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE FIELD ELECTRON EMITTER - A field electron emitter including a metal electrode; and a plurality of carbon nanotubes, wherein a portion of the plurality of carbon nanotubes protrude from a surface of the metal electrode and a portion of the plurality of carbon nanotubes are in the metal electrode. Also disclosed is a field electron emission device including the field electron emitter and a method of manufacturing the field electron emitter. | 07-08-2010 |
20100205548 | METHOD AND SYSTEM FOR PROVIDING HTML-BASED APPLICATION CAPABLE OF CONTROLLING WEB ACTION AND CLIENT - The present disclosure relates to a method and system for providing an HTML-based application capable of controlling web actions and clients. The system includes an HTML skin-generating module to generate an HTML skin that includes instructions corresponding to business logic, and a script to control a skin according to the business logic. The system also includes an application drive file-generating module to generate an application drive file to interoperate with the HTML skin to execute the business logic. | 08-12-2010 |
20120099392 | STORAGE DEVICE INCLUDING RESET CIRCUIT AND METHOD OF RESETTING THEREOF - A data storage device including a reset circuit and a method of resetting thereof includes a memory device to receive a driving voltage through a power terminal thereof, a voltage regulator to adjust an external voltage to provide the adjusted voltage to the power terminal of the memory device, and a reset circuit to discharge an enable terminal of the voltage regulator or the power terminal of the memory device according to a change of the external voltage. | 04-26-2012 |
20120102310 | MEMORY SYSTEM AND RESET METHOD THEREOF - Provided is a memory system that includes at least one nonvolatile memory device, a plurality of power lines and a plurality of power domains. The power lines receive a power source voltage. The power domains are respectively connected to the power lines. A reset signal is generated by using voltages which are detected from the power lines. The memory system and a reset method thereof detect the voltages of all power lines to generate a reset signal, and thus enhance reliability of data when a power is shut off. | 04-26-2012 |
Patent application number | Description | Published |
20090046136 | PRINTER CARTRIDGE UNIFYING THERMAL RIBBON AND TRANSFER MEDIUM AND THERMAL TRANSFER PRINTER EMPLOYING THE SAME - A thermal transfer printer having simpler structure, occupying less installation space, and enhancing the user convenience. The thermal transfer printer includes a cartridge having print paper wound in a roll, a capstan roller for conveying the print paper by applying frictional force on the print paper, a printing head for printing images on the print paper, and a platen roller for selectively pressing the print paper against the printing head. The housing of the cartridge has a first opening penetrating the housing and extending laterally. A paper roll case is rotatably installed in the housing and has a second opening penetrating the paper roll case and extending laterally. Inside the paper roll case, a paper roll is stuck on the inner surface of the paper roll case, and print paper is wound from the inner surface of the paper roll case to inward direction, while a first end of the print paper is exposed through the second opening. | 02-19-2009 |
20160086386 | METHOD AND APPARATUS FOR SCREEN CAPTURE - An electronic device includes: a display; and at least one processor configured to: generate a virtual reality image to be applied to a virtual reality environment, generate a right eye image and a left eye image based on the virtual reality image, pre-distort the right eye image and the left eye image based on lens distortion, control the display to display a stereo image on the display by using the right eye image and the left eye image, and in response to detecting a capture event while the stereo image is displayed, generate a captured image by using the virtual reality image. | 03-24-2016 |
Patent application number | Description | Published |
20080197773 | FILTER AND PLASMA DISPLAY DEVICE THEREOF - The present invention relates to a plasma display device, and a filter formed in a plasma display panel includes an external light shielding sheet which includes a base unit, and a plurality of pattern units that are formed on the base unit, wherein an angle between an electrode that is formed on the substrate adjacent to the filter and the pattern unit is 5° or less. | 08-21-2008 |
20080204371 | FILTER AND FLAT PANEL DISPLAY DEVICE USING THE FILTER - A filter and a plasma display device using the filter are provided. The plasma display device includes a plasma display panel (PDP) which includes an upper substrate and a lower substrate that are coupled to each other; and a filter which is disposed on the upper substrate. The filter includes an external light shield sheet which includes a base unit and a plurality of pattern units that are formed in the base unit, and a distance between bottoms of a pair of adjacent electrodes that are formed on the upper substrate is 2.5-12 times greater than a distance between a pair of adjacent pattern units. Since the plasma display device includes the external light shielding sheet which can absorb and shield as much external light incident upon the PDP as possible, the plasma display device can effectively realize black images and enhance bright room contrast. Since the distance between the pair of adjacent pattern units of the external light shielding sheet is within a predetermined percentage range of the distance between a pair of adjacent black matrices formed on the PDP or the width of the pattern units of the external light shielding sheet is a predetermined percentage range of the width of black matrices formed on the PDP, the plasma display device can reduce the probability of occurrence of the moire phenomenon and enhance the luminance of images displayed by the PDP. | 08-28-2008 |
20090295686 | FILTER AND PLASMA DISPLAY DEVICE THEREOF - A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) which includes an upper substrate on which a plurality of black matrices are formed; and an external light shielding sheet which is disposed at a front of the PDP and includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. A distance between a pair of adjacent black matrices is 4-12 times greater than a distance between a pair of adjacent pattern units. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible. Also, it is possible to reduce the probability of occurrence of the moire phenomenon and enhance the luminance of images displayed by a PDP by forming a plurality of pattern units on an external light shielding sheet so that the distance between the pair of adjacent pattern units can fall within a predetermined percentage range of the distance between the pair of adjacent black matrices formed on a PDP, or that the width of the pattern units can fall within a predetermined percentage range of the width of black matrices formed on the PDP. | 12-03-2009 |
20100019994 | FILTER AND PLASMA DISPLAY DEVICE THEREOF - A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) and a filter which is disposed at a front of the PDP. The filter includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. A distance between tops of a pair of adjacent pattern units is 1 3.25 times greater than a distance between bottoms of the pair of adjacent pattern units. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible. Also, it is possible to secure an optimum opening ratio for a PDP and enhance the luminance of images displayed by a PDP by forming a plurality of pattern units on an external light shielding sheet so that the distance between the bottoms of the pair of adjacent pattern units can fall within a predetermined percentage range of the distance between the tops of the pair of adjacent pattern units. | 01-28-2010 |
20100264818 | FILTER AND PLASMA DISPLAY DEVICE THEREOF - A plasma display device is provided. The plasma display device includes a plasma display panel (PDP) and a filter which is formed at a front of the PDP. The filter includes an external light shielding sheet which includes a base unit and a plurality of pattern units that are formed on the base unit and that have a lower refractive index than the base unit. Each of the pattern units includes at least one curved edge. Therefore, it is possible for a plasma display device to effectively realize black images and enhance bright room contrast with the aid of an external light shielding sheet which is disposed at a front of a PDP and which absorbs and shields as much external light incident upon the PDP as possible. Also, it is possible to secure an optimum opening ratio for a PDP and enhance the luminance of images displayed by a PDP by forming a plurality of pattern units on an external light shielding sheet so that the distance between the bottoms of the pair of adjacent pattern units can fall within a predetermined percentage range of the distance between the tops of the pair of adjacent pattern units. | 10-21-2010 |
20110080084 | FILTER, PLASMA DISPLAY DEVICE THEREOF, AND RELATED TECHNOLOGIES - A display apparatus includes a plasma display panel (PDP) and a filter. The PDP has a display surface, and the filter has a panel side facing the display surface of the PDP and an opposing viewer side facing away from the display surface. The filter includes a base unit. The filter also includes pattern units that absorb external light from the viewer side. The pattern units have boundaries that define widths of pattern tops and widths of pattern bottoms. A distance between a pattern top and a pattern bottom defines a pattern height. A distance between adjacent boundaries, of a pair of adjacent pattern units, at adjacent pattern bottoms can be less than a distance between the adjacent boundaries at adjacent pattern tops, less than the pattern height, and greater than a width of at least one of the pattern bottoms. | 04-07-2011 |
Patent application number | Description | Published |
20120143435 | METHOD FOR ESTIMATING REMAINING TRAVEL DISTANCE OF ELECTRIC VEHICLE - The present invention provides a method for estimating a distance to empty (DTE) from the present amount of remaining fuel (the amount of remaining electricity) in an electric vehicle. In particular, the present invention provides a method for estimating a remaining travel distance of an electric vehicle, which can efficiently and accurately estimate a remaining travel distance by setting the relationship of a DTE with a state of charge (SOC) of a battery which changes in real time under various load conditions, in consideration of the present travel pattern, in addition to the SOC of a battery and accumulated fuel efficiency for the amount of remaining fuel of the electric vehicle. | 06-07-2012 |
20140053581 | COOLING APPARATUS AND CONTROL METHOD THEREOF - A cooling apparatus includes a storage compartment, an evaporator to cool air in the storage compartment by evaporating a refrigerant, a compressor to compress the refrigerant evaporated by the evaporator, an air blower to supply the air cooled by the evaporator to the storage compartment and to remove frost formed on the evaporator, a storage temperature sensor to sense a temperature of the storage compartment, a driving unit to drive the compressor and the air blower, and a controller to perform a defrosting operation of operating the air blower to remove frost formed on the evaporator when a cooling operation of cooling the storage compartment is terminated and to perform the cooling operation, wherein the controller defers, when the defrosting operation is being performed, operation of the compressor, even if the temperature of the storage compartment is greater than or equal to the storage upper limit temperature. | 02-27-2014 |
20140354289 | METHOD FOR PREDICTING CHARGING TIME OF BATTERY FOR ELECTRIC VEHICLE - A method for predicting charging time of a battery for an electric vehicle is provided. The method includes differentiating a rapid charging and a slow charging. A necessary charging amount of the battery is calculated, and a reference current value that is stored in advance is detected for slow charging. A time required for slowly charging a battery is calculated using the necessary charging amount and the reference current value. | 12-04-2014 |
Patent application number | Description | Published |
20090268342 | DISK CLAMP AND HARD DISK DRIVE HAVING THE SAME - A disk clamp to fix a disk to a hub of a spindle motor in a hard disk drive, and a hard disk drive having the disk clamp. The disk clamp can include a coupling hole formed at a center of the disk clamp, in which a clamping screw is inserted, at least one through hole formed outside the coupling hole, and a pressing portion provided at an outer circumferential side of the disk clamp to contact and press the disk. A particular area around the at least one through hole that is away from the at least one through hole can have a sectional thickness thinner than a predetermined area that is adjacent to the at least one through hole, to prevent stress distribution generated at a contact surface between the pressing portion and the disk from being irregular due to the at least one through hole. | 10-29-2009 |
20100118437 | HARD DISK DRIVE - A hard disk drive includes a base on which at least one disk recording and storing data is provided, a filter provided in an area around a corner of the base with a predetermined air flow space interposed between the corner and the filter to collect contaminant particles in air flowing due to rotation of the disk, and an air exhaust prevention unit provided in an area of the air flow space to prevent the air input to the air flow space through an inlet portion between the filter and a first corner side wall connected to the corner from being exhausted through an outlet portion between the filter and a second corner side wall connected to the corner without passing through the filter. The hard disk drive is manufactured in a simple method without changing the media of the filter and a contaminant particle collection effect is improved. | 05-13-2010 |
20100271729 | HEAD STACK ASSEMBLY, HARD DISK DRIVE COMPRISING THE HEAD STACK ASSEMBLY, AND METHOD TO REDUCE OFF-TRACK IN THE HARD DISK DRIVE - Provided are a head stack assembly (HSA) with reduced off-track, a hard disk drive including the HSA, and a method of reducing the off-track of the hard disk drive. The HSA includes a swing arm rotatably mounted on a base member of a hard disk drive (HDD); a connecting plate coupled to a front edge of the swing arm; a suspension coupled to the connecting plate to vibrate finely; a pair of hinges disposed on both sides of a center line of the suspension to connect the connecting plate to the suspension; a piezoelectric material layer including a piezoelectric material which is disposed on only one hinge of the pair of hinges, wherein the hinge is closer to a center of a disk in the HDD than the other is; and a head slider that is a recording or reproducing medium of data mounted on the front edge of the suspension. | 10-28-2010 |
20100271734 | HEAD STACK ASSEMBLY, A HARD DISK DRIVE INCLUDING THE SAME, AND A METHOD OF MANUFACTURING THE SAME - Provided are an HSA with reduced off-track and an HDD including the HSA. The HSA includes a swing arm rotatably mounted on a base member of an HDD; a connecting plate coupled to a front edge of the swing arm; a suspension coupled to the connecting plate to vibrate finely; a pair of hinges disposed on both sides of a center line of the suspension to connect the connecting plate to the suspension; and a head slider that is a recording or reproducing medium of data mounted on the front edge of the suspension. When a hinge between the pair of hinges, which is closer to a center of the disk of the HDD than the other is, is referred to as a first hinge and the other hinge is referred to as a second hinge, the first hinge has a thickness greater than a thickness of the second hinge. | 10-28-2010 |
20100285642 | Method of Doping Impurity Ions in Dual Gate and Method of Fabricating the Dual Gate using the same - A method of doping impurity ions in a dual gate includes doping first conductivity type impurity ions in a gate conductive layer over a semiconductor substrate having a first region and a second region, wherein the doping is performed with a concentration gradient so that a doping concentration in an upper portion of the gate conductive layer is higher than that in a lower portion; doping second conductivity type impurity ions in a portion of the gate conductive layer in the second region using a mask for opening the portion of the gate conductive layer in the second region; and diffusing the first conductivity type impurity ions and the second conductivity type impurity ions by performing heat treatment. | 11-11-2010 |
20120268841 | SUSPENSION FOR COMPENSATING SLIDER ATTITUDE - Disclosed is an assembly located in a memory device. The assembly includes: a suspension including a flexure to which a slider is coupled and a load beam disposed at an upper part of the flexure The assembly also includes at least one piezoelectric film coupled to the suspension and configured to control at least one of an angle between the load beam and the flexure in a pitching direction and an angle between the load beam and the flexure in a rolling direction by being extended or contracted when electrical current is applied thereto. | 10-25-2012 |
Patent application number | Description | Published |
20080290507 | CHIP EMBEDDED PRINTED CIRCUIT BOARD AND FABRICATING METHOD THEREOF - The chip embedded printed circuit board and a fabricating method thereof are disclosed, wherein a circuit pattern is formed by depositing a metal layer on a support layer, a semiconductor chip is packaged on a support layer to wrap the semiconductor chip and the circuit pattern on the support layer and to form an isolation layer, a via hole filled with conductive material is formed through the isolation layer for interlayer electrical connection, part of the support layer is selectively removed to form a plated heat sink, such that a packaging process can be performed in a very planar state and the plated heat sink can be integrated with a printed circuit board. | 11-27-2008 |
20090011262 | THERMALLY CURABLE COMPOSITE RESIN COMPOSITION, PREPREG, COMPOSITE FILM AND LAMINATED MATERIAL FOR CIRCUIT HAVING THE SAME - The present invention relates to a prepreg, a composite film, and a laminated material for circuit used for thermosetting composite resin compositions and printed circuit boards, and particularly to a thermosetting composite resin composition mixed with COP (Cyclo Olefin Polymer) and thermally cross-linkable resin, wherein the COP having excellent electrical characteristics at a high frequency and thermally cross-linkable resin are blended to allow having a less dielectric constant and a less dielectric loss than those of the conventional composite resin composition, and inorganic fillers such as ceramic material, metal material, carbon black are added to allow having dielectric characteristics covering from a low dielectric constant to a high dielectric constant. | 01-08-2009 |
20120161583 | PIEZOELECTRIC POWER GENERATOR FOR FEEDING EMERGENCY POWER - A piezoelectric power generator for feeding emergency power, includes a frame; a fixing unit comprising a left fixing body coupled to an upper left side of the frame and a right fixing body coupled to an upper right part of the frame; a first piezoelectric body bonded to a right side of the left fixing body; a second piezoelectric body bonded to a left side of the right fixing body; and a vibration unit bonded between the first piezoelectric body and the second piezoelectric body and vibrating vertically. | 06-28-2012 |
Patent application number | Description | Published |
20080313164 | System and Method for Selecting Search Listing in an Internet Search Engine and Ordering the Search Listings - Provided is a keyword advertising system extracting search listings in response to a search request, the system comprising: an interface receiving bid price information corresponding to a keyword from an advertiser; a search information database storing search listings associated with the advertisers in association with each of the received bid price information; a ranking module generating a search result list by referring to the search information database, in response to a search request from a searcher; and a search results providing module providing the searcher with the generated search result list; wherein the ranking module generates the search result list by performing the steps of: identifying a keyword received from the searcher in association with the search request; selecting N of search listings from the at least one search result listing corresponding to the identified keyword, based on the bid price information; and ordering the selected search listings in order of click through rate. | 12-18-2008 |
20090171746 | METHOD FOR PROVIDING SEARCH SERVICE AND SYSTEM FOR EXECUTING THE METHOD - The search service providing method according to the present invention includes: maintaining a search listing database including a keyword, a search listing associated with the keyword, a bid amount, an exposure index, and/or an advertiser identifier associated with the search listing, computing an average click rate for each of the search listings, computing the exposure index based on the average click rate and the bid amount for each search listing and recording the exposure index in the search listing database in association with the search listing to be updated, receiving a search request including a keyword from a user, selecting a predetermined number of the search listings whose exposure index ranks high from the search listings associated with the keyword with reference to the search listing database, and generating a search result list including the predetermined number of the selected search results and providing the search result list to the user. | 07-02-2009 |
20100235925 | METHOD FOR EXECUTING DIGITAL RIGHT MANAGEMENT AND TRACKING USING CHARACTERISTIC OF VIRUS AND SYSTEM FOR EXECUTING THE METHOD - A method of performing Digital Rights Management (DRM) and tracking using a virus characteristic and a system for executing the method are provided. The method of performing DRM and tracking with respect to a digital content, includes the steps of: providing a DRM code to the digital content in a DRM system, wherein the DRM code includes a virus characteristic; and performing the DRM and tracking with respect to the digital content, based on DRM information, wherein the DRM information is generated based on the DRM code. | 09-16-2010 |
20100268610 | ONLINE ADVERTISING METHOD AND ONLINE ADVERTISING SYSTEM - The present invention relates to an online advertising method and an online advertising system, and more particularly, relates to an online advertising method and an online advertising system using a knowledge providing service system which enables knowledge to be provided through questions and answers between users. | 10-21-2010 |
20100306051 | SYSTEM AND METHOD FOR SELECTING SEARCH LISTING IN AN INTERNET SEARCH ENGINE AND ORDERING THE SEARCH LISTINGS - Provided is a keyword advertising system for extracting search listings in response to a search request. The system comprises a memory for storing a search information database; a bid control module selecting a predetermined number of search listings primarily according to the bid amount and an estimated advertising period; a ranking module generating an ordered search result list; and a computation control module computing the advertising period for the received bids. The ranking module orders the selected search listings in the search result list according to the selected search listings' respective bid amounts and the estimated advertising period and the computation control module estimating advertising costs uses the bid amount of the advertiser and average number of clicks information during a predetermined previous period. The computation control module further calculates the estimated advertising period using deposit from the advertiser and the estimated advertising costs. The search information database stores at least one bid received from advertisers, the at least one bid being associated with a cost per click advertising, the each bid being associated with a keyword, a bid amount and a search listing. | 12-02-2010 |
20140173311 | Methods and Systems for Operating Multi-Core Processors - A method of operating a system on chip (SoC) includes determining to switch from a selected low-power core among a plurality of low-power cores to a high-performance core among a plurality of high-performance cores, counting the number of high-performance cores that are operating among a plurality of high-performance cores, determining a maximum operating frequency of the plurality of high-performance cores based on the counted number, and switching from the selected low-power core to the selected high-performance core based on the determined maximum operating frequency. | 06-19-2014 |
20150156169 | METHOD FOR DETERMINING VALIDITY OF COMMAND AND SYSTEM THEREOF - Disclosed are method and system for determining the validity of a command line, comprising the steps of: maintaining a first IP address database including first IP address information or at least one terminal specification information associated with the first IP address information, in which the first IP address information includes IP address information of a proxy server or that of a terminal using a dynamic IP address; receiving a command line from a terminal of a user; extracting a request content, second IP address information, or second terminal specification information included in the command line; generating log information including the request content, the second IP address information, the second terminal specification information or input time point information with respect to the input time point of the command line recording the log information associated with the command line in a log database; identifying the terminal by referring to the first IP address database and the log database; and determining the validity of the command line in association with the identified terminal. | 06-04-2015 |
20150199130 | METHOD FOR PROCESSING DATA IN STORAGE DEVICE AND STORAGE DEVICE - In an embodiment, a method is provided for processing data in a storage device, and a storage device. The method includes writing data according to a write command received from a processor. The method also includes determining whether a predetermined write restriction time has elapsed. The method also includes discontinuing the data writing upon expiration of the predetermined write restriction time. | 07-16-2015 |
Patent application number | Description | Published |
20140000058 | WIPER BLADE | 01-02-2014 |
20140150198 | WIPER BLADE - In one aspect, the invention can be a wiper blade including a wiper strip which wipes a wiping surface; at least one pair of yoke levers which supports the wiper strip; a pair of auxiliary lever which is relatively rotatably coupled to the at least one pair of the yoke levers respectively; and a main lever which is relatively rotatably coupled to a pair of the auxiliary levers and is connected to a wiper arm, wherein, for the purpose of preventing interference caused at the time of pivoting with a U-hook type wiper arm “Ha,” the main lever includes a first concave portion which is formed toward the wiper strip in a portion of the top surface of the main lever. | 06-05-2014 |
20140196241 | FLAT WIPER BLADE ASSEMBLY - A flat wiper blade assembly may be provided that includes: a flat wiper blade; and an adaptor part which includes an adaptor including a pair of guide plate members which is connected to the flat wiper blade and projects perpendicularly at an interval, and a connector which is coupled to the adaptor and couples a wiper arm to the flat wiper blade. A pair of the guide plate members includes an embossed member formed on an outer wall thereof. | 07-17-2014 |
20140338144 | WIPER CONNECTOR FOR VEHICLE - A wiper connector for a vehicle may be provided which connects a wiper arm to a wiper blade | 11-20-2014 |
20140373301 | WIPER BLADE - A wiper strip is supported by at least one pair of auxiliary levers coupled to a pair of main levers having a pair of through-holes; a central cover coupled to the main lever is connected to a wiper arm and includes a pair of inner ribs extending in a longitudinal direction and having one upwardly extending end closer to the center of the wiper blade; a spacer clip is inserted between the main lever and the central cover and includes a pair of inner protrusions. As a lower portion of the spacer clip is located on the inner rib, the spacer clip is coupled to the central cover. As the inner protrusions are inserted into the through-hole, the spacer clip is coupled to the main lever. Movement of the spacer clip toward the center of the wiper blade is limited by the extended end of the inner rib. | 12-25-2014 |
20150258964 | WIPER BLADE - Disclosed is a wiper blade that includes: a wiper strip which wipes a wiping surface; at least one pair of yoke levers which supports the wiper strip; a pair of auxiliary levers which is relatively rotatably coupled to the at least one pair of the yoke levers respectively; and a main lever which is relatively rotatably coupled to a pair of the auxiliary levers and is connected to a wiper arm. A pair of the auxiliary levers includes a hinge protrusion which protrudes outwardly therefrom in a width direction thereof and a hinge shaft which protrudes inwardly. The main lever includes a first hinge recess which is formed on an inner side wall of an end thereof and to which the hinge protrusion is coupled and includes a second hinge recess which is formed in the center in a width direction of the main lever and to which the hinge shaft is coupled. | 09-17-2015 |
Patent application number | Description | Published |
20110246302 | METHOD AND SYSTEM FOR PROVIDING ADVERTISEMENT USING OPENING BID PRICE - Disclosed herein are a method and a system for providing an advertisement using a bidding starting price. The method for providing an advertisement includes: determining a bidding starting price for each keyword based on a minimum cost per click for a keyword and the number of expected clicks for the keyword; determining an area in which an advertisement of an advertiser is to be exposed based on a bidding price per unit time input from the advertiser; and providing the advertisement of the advertiser through the area, wherein the bidding price per unit time has a value of the bidding starting price for each keyword or more. | 10-06-2011 |
20110264537 | METHOD FOR BILLING FOR SEARCH ADVERTISEMENT BASED ON PUBLICATION RATIO, SYSTEM AND COMPUTER-READABLE RECORDING MEDIUM - Disclosed herein are a method, a system, and a computer-readable recording medium for performing charging for a search advertisement based on a publication ratio thereof. The method for performing charging for a search advertisement based on a publication ratio thereof includes: calculating the publication ratio of the search advertisement to a plurality of users, the publication ratio substantially indicating a ratio between the number of search advertisement published to users recognized as belonging to a first group and the number of search advertisement published to users recognized as belonging to a second group; calculating each of the charging amounts for the search advertisement published to the users recognized as belonging to the first group and the search advertisement published to the users recognized as belonging to the second group; calculating a final charging amount based on the publication ratio and each of the calculated charging amounts; and performing charging for an advertiser of the search advertisement using the final charging amount. | 10-27-2011 |
20110291175 | Non-Volatile Memory Devices and Methods of Manufacturing the Same - A non-volatile memory device includes a field region that defines an active region in a semiconductor substrate, a floating gate pattern on the active region, a dielectric layer on the floating gate pattern and a control gate on the dielectric layer. The control gate includes a first conductive pattern that has a first composition that crystallizes in a first temperature range, and a second conductive pattern that has a second composition that is different from the first composition and that crystallizes in a second temperature range that is lower than the first temperature range, the first conductive pattern being between the dielectric layer and the second conductive pattern. | 12-01-2011 |
20120187470 | GATE STRUCTURES - A method of forming a gate structure includes forming a tunnel insulation layer pattern on a substrate, forming a floating gate on the tunnel insulation layer pattern, forming a dielectric layer pattern on the floating gate, the dielectric layer pattern including a first oxide layer pattern, a nitride layer pattern on the first oxide layer pattern, and a second oxide layer pattern on the nitride layer pattern, the second oxide layer pattern being formed by performing an anisotropic plasma oxidation process on the nitride layer, such that a first portion of the second oxide layer pattern on a top surface of the floating gate has a larger thickness than a second portion of the second oxide layer pattern on a sidewall of the floating gate, and forming a control gate on the second oxide layer. | 07-26-2012 |
20140080298 | NON-VOLATILE MEMORY DEVICES AND METHODS OF MANUFACTURING THE SAME - A non-volatile memory device includes a field region that defines an active region in a semiconductor substrate, a floating gate pattern on the active region, a dielectric layer on the floating gate pattern and a control gate on the dielectric layer. The control gate includes a first conductive pattern that has a first composition that crystallizes in a first temperature range, and a second conductive pattern that has a second composition that is different from the first composition and that crystallizes in a second temperature range that is lower than the first temperature range, the first conductive pattern being between the dielectric layer and the second conductive pattern. | 03-20-2014 |
20140084358 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A nonvolatile memory device includes an insulating pattern extending in a first direction, a conductive pattern on the insulating pattern, and an electrode structure extending in the first direction. The electrode structure is adjacent the insulating pattern and conductive pattern, and includes an alternating pattern of gate electrodes and interlayer insulating films. A protection film adjacent a side surface of the electrode structure has a shorter length in the first direction than a length of the electrode structure. | 03-27-2014 |
20150099353 | Non-Volatile Memory Devices and Methods of Manufacturing the Same - A non-volatile memory device includes a field region that defines an active region in a semiconductor substrate, a floating gate pattern on the active region, a dielectric layer on the floating gate pattern and a control gate on the dielectric layer. The control gate includes a first conductive pattern that has a first composition that crystallizes in a first temperature range, and a second conductive pattern that has a second composition that is different from the first composition and that crystallizes in a second temperature range that is lower than the first temperature range, the first conductive pattern being between the dielectric layer and the second conductive pattern. | 04-09-2015 |
20160056169 | SEMICONDUCTOR DEVICE, METHOD OF FABRICATING THE SEMICONDUCTOR DEVICE, AND METHOD OF FORMING EPITAXIAL LAYER - According to example embodiments, a method of fabricating a semiconductor device includes alternately stacking interlayer insulating layers and intermediate layers on a substrate, forming openings passing through the interlayer insulating layers and the intermediate layers to form recessed regions in the substrate, forming first epitaxial layers on recessed surfaces in the recessed regions, and forming second epitaxial layers using the first epitaxial layers as seed layers. The second epitaxial layers fill the recessed regions and extend above the substrate. | 02-25-2016 |
Patent application number | Description | Published |
20130144437 | MODULE AND METHOD FOR MEASURING REPULSIVE FORCE FOR WALKING ROBOT - Disclosed is a module for measuring repulsive force for a walking robot. More specifically the module includes a base frame and plurality of installation units provided on the base frame and surrounded by a plurality of side surfaces configured as inclined surfaces having a predetermined angle and a top surface formed in a horizontal plane. The module also includes a 1-axis force sensor provided on each side surface and the top surface of the installation unit. A control unit calculates a sum force of the respective installation units from measurement data of the force sensor and calculates the ground reaction force (GRF) by integrating the sum force of the respective installation units. | 06-06-2013 |
20130173054 | METHOD OF CONTROLLING BALANCE OF WALKING ROBOT - Disclosed herein a method of controlling the balance of a walking robot. In the method, a location and an acceleration of a center of gravity of the walking robot are detected in a three-dimensional (3D) x, y, z coordinate system. A location of a Zero Moment Point (ZMP) on an xy plane is detected using the location of the center of gravity and the acceleration of the center of gravity in x- and y-axis directions. Walking of the walking robot is controlled so that the ZMP is located inside a stable area including a bottom of a foot of the walking robot on the xy plane. | 07-04-2013 |
20130173058 | METHOD AND SYSTEM FOR CONTROLLING LIFTING OPERATION OF WEARABLE ROBOT - Disclosed herein is a method and system for controlling the lifting operation of a wearable robot. A final force that must be applied by the robot to an object upon conducting a lifting operation is derived based on a difference between a weight force applied by the object to the robot and an apply force applied by a wearing user to the robot. A target position to which the robot lifts the object is set. A spring-damper virtual force model is applied to an end of the robot and to joints of the robot, the final force is converted into final torques required by the joints of the robot by being incorporated into the virtual force model, and then the joints of the robot are operated based on the final torques. The final force is fixed once the robot has lifted the object to the target position. | 07-04-2013 |
20130173060 | METHOD OF OPERATING A WEARABLE ROBOT - Disclosed herein is a method of obtaining the intended manipulation torque of a user for a wearable robot. The method allows the wearable robot, the motion of each joint of which is operated by a motor and which is capable of measuring a variation in current in the motor of each joint and calculating a torque at each joint, to simply and rapidly extract the intended manipulation torque of the user using both an acceleration value (e.g., measured by an acceleration sensor installed on a gripper), and the current variation of the motor, in a state in which the wearable robot does not know the weight of a weight object to be lifted with the gripper. Accordingly, the wearable robot may be suitably controlled at a comparatively lower cost. | 07-04-2013 |
20130261893 | SYSTEMS, METHODS, AND COMPUTER-READABLE MEDIA FOR CONTROLLING SUSPENSION OF VEHICLE - The present invention provides systems, methods, and computer-readable media for controlling a suspension for a vehicle in which a platform model and a suspension model are provided and a first neural oscillator model and a second neural oscillator model that feed back an output to each model to acquire displacements of the platform model and the suspension model from displacements inputted into a tire, acquire feedbacks of the first neural oscillator model and the second neural oscillator model from the displacements of the platform model and the suspension model, and acquire pressing force required in the suspension for the vehicle from the feedback of the second neural oscillator model. | 10-03-2013 |
20130310981 | SYSTEM AND METHOD OF CONTROLLING ANKLES OF WALKING ROBOT - Disclosed herein is a system and method of controlling one or more ankles of a walking robot. In the above system and method, an input torque u to be applied to an ankle of a robot is obtained by compensating a target torque τ | 11-21-2013 |
Patent application number | Description | Published |
20090316409 | Sub-mount, light emitting device including sub-mount and methods of manufacturing such sub-mount and/or light emitting device - A sub-mount adapted for AC and DC operation of devices mountable thereon, the sub-mount including a base substrate including a first surface and a second surface different from the first surface, a conductive pattern on the first surface, a first pair and a second pair of first and second electrodes on the second surface, and vias extending through the base substrate between the first and second surfaces, wherein the conductive pattern includes a first set of mounting portions and two via portions along a first electrical path between the first pair of first and second electrodes, and a second set of mounting portions and two via portions along a second electrical path between the second pair of first and second electrodes, the via portions connecting respective portions of the conductive pattern to respective electrodes of the first and second pair of first and second electrodes through the vias. | 12-24-2009 |
20100297852 | METHOD OF FORMING LINE/SPACE PATTERNS - A method of forming a line/space pattern includes forming a plurality of first pattern structures on a layer of hard mask material disposed on a substrate, forming a plurality of second pattern structures along sidewalls of the first pattern structures, removing the first pattern structures such that the second pattern structures stand alone on the layer of hard mask material, forming a first mask that exposes a location where a space of the line/space pattern to be formed is to have a width greater than the distance between adjacent ones of the second pattern structures, removing those of the second pattern structures which are exposed by the first mask such that others of the second pattern structures remain on the layer of hard mask material, forming a second mask that covers a location where a line of the line/space pattern to be formed is to have a width that is greater than the widths of the second pattern structures, forming a hard mask by etching the hard mask material layer using the second mask and the remaining second pattern structures as an etch mask, and etching the substrate using the hard mask as an etch mask. | 11-25-2010 |
20130001606 | SUB-MOUNT, LIGHT EMITTING DEVICE INCLUDING SUB-MOUNT AND METHODS OF MANUFACTURING SUCH SUB-MOUNT AND/OR LIGHT EMITTING DEVICE - A sub-mount adapted for AC and DC operation of devices mountable thereon, light emitting devices including such a sub-mount, and methods of manufacturing such a sub-mount are provided. The sub-mount includes a base substrate having first and second surfaces, a conductive pattern on the first surface, first and second pairs of first and second electrodes on the second surface and vias extending through the base substrate between the first and second surfaces. The conductive pattern includes a first set of mounting portions and two via portions along a first electrical path between the first pair of first and second electrodes, and a second set of mounting portions and two via portions along a second electrical path between the second pair of first and second electrodes, the via portions connecting respective portions of the conductive pattern to respective electrodes. | 01-03-2013 |
Patent application number | Description | Published |
20150329972 | PHOSPHATE SOLUTION FOR ZINC OR ZINC-BASED ALLOY PLATED STEEL SHEET, AND ZINC OR ZINC-BASED ALLOY PLATED STEEL SHEET USING THE SAME - A phosphate solution for a zinc or zinc-based alloy plated steel sheet, and a zinc or zinc-based alloy plated steel sheet using the same are provided. The phosphate solution for a zinc or zinc-based alloy plated steel sheet contains a molybdenum (Mo) ion, a calcium (Ca) ion and a phosphate ion. A zinc or zinc-based alloy plated steel sheet includes a base steel sheet, a zinc-based or zinc alloy-based plating layer formed on the base steel sheet, and a phosphate film formed on the zinc-based or zinc alloy-based plating layer. The phosphate film contains a molybdenum compound, Ca and a phosphate. A pitting phenomenon occurring at the time of treating a steel sheet with a phosphate is prevented, and excellent corrosion resistance is exhibited on a phosphate film. | 11-19-2015 |
20150345008 | HEATING APPARATUS, AND COATING DEVICE COMPRISING SAME - Provided are a heating apparatus configured to generate a coating vapor for coating a base metal (steel sheet) which is continuously transferred in a vacuum state, and a coating device including the heating apparatus. A coating material to be converted into a coating vapor is initially supplied in a solid phase (solid state) and then phase changed into a liquid (liquid state). Thereafter, the liquid-state coating material is supplied to a heating unit, thereby preventing problems such as equipment erosion occurring when a liquid coating material is directly supplied and preventing the decrease of the temperature of a coating material when a solid wire is supplied as a coating material. As a result, the energy efficiency of the heating apparatus may be maximized. | 12-03-2015 |
20150352812 | ZN-MG ALLOY PLATED STEEL SHEET, AND METHOD FOR MANUFACTURING SAME - Provided are a Zn—Mg alloy plated steel sheet and a method for manufacturing same. The Zn—Mg alloy plated steel sheet comprises a base steel sheet and a Zn—Mg plating layer formed on the base steel sheet, wherein the content of Mg in the Zn—Mg plating layer is 8 weight % or less (provided that 0 weight % is excluded), and the Zn—Mg plating layer is a compound phase of Zn and Mg2Zn11. According to the present invention, provided are a Zn—Mg alloy plated steel sheet and a method for manufacturing the same, wherein the Zn—Mg alloy plated steel sheet has excellent corrosion resistance, high adhesion, and superior surface quality of metallic luster. | 12-10-2015 |
Patent application number | Description | Published |
20130186339 | Dry Coating Apparatus - Provided is a dry coating apparatus for coating a coating material, i.e., deposition vapor (metal vapor) on a substrate (a steel strip). The dry coating apparatus includes a coating part disposed in a vacuum to coat deposition vapor generated through heating and evaporation of a supplied coating material onto a proceeding object to be coated and a heating source disposed in an atmosphere to heat and levitate the coating material in the coating part. | 07-25-2013 |
20130186524 | Al PLATING LAYER/Al-Mg PLATING LAYER MULTI-LAYERED STRUCTURE ALLOY PLATED STEEL SHEET HAVING EXCELLENT PLATING ADHESIVENESS AND CORROSION RESISTANCE, AND METHOD OF MANUFACTURING THE SAME - Provided is an aluminum (Al) plating layer/aluminum (Al)-magnesium (Mg) plating layer multi-layered structure alloy plated steel sheet having excellent plating adhesiveness and corrosion resistance, which is characterized in that the Al—Mg plating layer is formed on the Al plating layer. According to the present invention, corrosion resistance of an Al plated steel sheet is further improved by forming an Al—Mg alloy plating layer, and plating adhesiveness between plating layer and underlying steel sheet may be improved as well as excellent stability and practicality being realized. | 07-25-2013 |
20130199447 | Continuous Coating Apparatus - Provided is a continuous coating apparatus which can supply a liquid coating material (a molten metal) to a levitation-heating space through various paths, and can easily control a supply flow rate of the liquid coating material, and has a simplified structure. The continuous coating apparatus includes: a vacuum chamber unit through which a coating target passes; a levitation-heating unit disposed in the vacuum chamber unit and generating an evaporation vapor by vaporizing a supplied coating material; and a liquid coating material supply unit connected so that a liquid coating material is supplied to at least one of an upper portion and a lower portion of the levitation-heating unit, and communicating with the outside of the vacuum chamber unit. | 08-08-2013 |
20140011048 | FILM FORMATION COMPOSITION FOR PREVENTING BLACKENING OF STEEL SHEET, AND STEEL SHEET HAVING FILM FORMED BY COMPOSITION - Provided is a film formation composition for improving the blackening of the surface of a steel sheet, particularly, the surface of a steel sheet containing Mg on the surface thereof, such as a Mg sheet, a plated steel sheet having a plated layer comprising Mg, and the like, a steel sheet comprising a film formed by the composition, and a method for forming the film. Provided are a film formation composition for preventing the blackening of the surface of the steel sheet, comprising: 2.5-7.5 parts by weight of a water-soluble phenoxy resin; 0.1-0.5 parts by weight of a fluorometal acid; 0.1-0.5 parts by weight of a metal compound; and 1-5 parts by weight of a cross-linking agent. | 01-09-2014 |
20150030875 | ZN-MG ALLOY-COATED STEEL SHEET WITH EXCELLENT BLACKENING RESISTANCE AND EXCELLENT ADHESION AND METHOD FOR MANUFACTURING SAME - The present invention relates to a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent coating adhesion and to a method for manufacturing same. Provided are a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion and a method for manufacturing same, the steel sheet comprising: a substrate steel sheet; a Zn—Fe intermetallic compound layer formed on the substrate steel sheet; a first Zn—Mg coating layer formed on the Zn—Fe intermetallic compound layer and comprising a Zn—Fe intermetallic compound in which the content of Zn is 95% by weight or higher; a second Zn—Mg coating layer formed on the first Zn—Mg coating layer and comprising a Zn—Mg intermetallic compound in which the content of Zn is 80 to 95% by weight; and an oxide film formed on the second Zn—Mg coating layer and comprising a metallic oxide. | 01-29-2015 |
Patent application number | Description | Published |
20130148899 | METHOD AND APPARATUS FOR RECOGNIZING A CHARACTER BASED ON A PHOTOGRAPHED IMAGE - An apparatus and method for recognizing a character based on a photographed image. The apparatus includes an image determining unit, an image effect unit, a binarizing unit and a character recognizing unit. The image determining unit is configured to select, from an input image, a Region Of Interest (ROI) to be used for image analysis when the input image is input, and to analyse the selected ROI to determine a type of the input image. The image effect unit is configured to apply to the input image, an image effect for distinguishing a character region and a background region in a display screen if the type of the input image indicates that the input image is obtained by photographing a display screen. The binarizing unit is configured to binarize the input image or the output of the image effect unit according to the determined type of the input image. The character recognizing unit is configured to recognize a character from the binarized input image. | 06-13-2013 |
20130208947 | OBJECT TRACKING APPARATUS AND CONTROL METHOD THEREOF - A control method of an object tracking apparatus for tracking a target tracking-object includes receiving a first frame including the target tracking-object distinguishing between a target tracking-object including the target tracking-object and a background in the first frame, generating histograms of color values for the target tracking-object and the background, comparing the histograms corresponding to the target tracking-object and the background to determine reliable data of the target tracking-object and reliable data of the background, and estimating a next position of the target tracking-object in a second frame based on the reliable data of the target tracking-object and the background. | 08-15-2013 |
20130212511 | APPARATUS AND METHOD FOR GUIDING HANDWRITING INPUT FOR HANDWRITING RECOGNITION - An apparatus and method for guiding handwriting input for handwriting recognition are provided. The method includes storing at least one character data item and at least one character feature information item corresponding to respective character data; detecting upon input of a first touch-and-drag, at least one first feature information item from a trajectory drawn according to the input first touch-and-drag; comparing the detected at least one first feature information item with the at least one character feature information item; detecting at least one first character data candidate having at least one same character feature information item as the detected at least one first feature information item; and displaying the detected at least one first character data candidate. | 08-15-2013 |
20150278630 | METHOD AND APPARATUS FOR RECOGNIZING A CHARACTER BASED ON A PHOTOGRAPHED IMAGE - An apparatus and a method for recognizing a character based on an input image is provided. The apparatus includes an input unit configured to receive the input image and a controller configured to select, from the input image, a region of image analysis to be used for image analysis, and to analyze the selected region of image analysis to determine a type of the input image, to apply, to the input image, an image effect for distinguishing a character region and a background region in the input image if the type of the input image indicates that the input image is obtained by photographing a display screen, to binarize output of the image effect according to the determined type of the input image, and to recognize a character from the binarized output of the image effect. | 10-01-2015 |
Patent application number | Description | Published |
20100049302 | STENT FOR EXPENDING INTRA LUMINAL - The present invention relates to a stent for intraluminal expansion. The stent for intraluminal expansion comprises an inner stent A, an outer stent B and fixing threads C for fixing these stents as one unit. The outer stent B is inserted over the inner stent A in such a way that the space portions of the inner stent A and the space portions of the outer stent B are alternated with each other, so the outer surface of the inner stent and the inner surface of the outer stent are in close contact with each other, and both ends of the outer stent and inner stent are fixed as one unit by fixing threads C. According to the stent for intraluminal expansion of the present invention, in which form recoverability of each of the inner stent A and the outer stent B is excellent, expansion is easy after it is inserted into the lumen body because the cylindrical film membrane is not fixed by fixing thread C, and the space portions Id of the inner and outer stents are overlapped alternately with each other so that it is possible to effectively prevent cancer cells, etc. from penetrating into the lumen. | 02-25-2010 |
20110125254 | DRUG RELEASING MEMBRANE FOR STENT AND DRUG RELEASING STENT FOR EXPANDING INTRALUMINAL COMPRISING THE SAME - The present invention relates to a drug releasing membrane for stent and a drug releasing stent for intraluminal expansion comprising the same. The drug releasing membrane according to the present invention has a two layer structure consisting of an inner layer M | 05-26-2011 |
20140172168 | METHOD OF CONTROLLING GAIT OF ROBOT - A method of controlling the gait of a wearable robot using foot sensors of the robot. Whether or not the robot is walking is determined. When the robot is walking, whether the robot is supported on both feet or one foot using the foot sensors is determined. When the robot is walking and is supported on both feet, posture-maintaining control is carried out. When the robot is walking and is supported on one foot, support control is carried out over a supporting leg based on gravity compensation and load compensation. When the robot is walking and is supported on one foot, an imaginary repulsive force by which a swinging leg swings is generated. | 06-19-2014 |
20140172169 | METHOD AND SYSTEM FOR EXTRACTING INTENDED TORQUE FOR WEARABLE ROBOT - A method for extracting intended torque for a wearable robot includes a motor torque calculating step, a link rotation calculating step and an intended torque calculating step. In the motor torque calculating step, motor torque is calculated from the angular velocity of rotation of the motor. In the link rotation calculating step, the angular velocity of rotation of the link is calculated. In the intended torque calculating step, the motor torque and the angular velocity of rotation of the link are substituted into a disturbance observer, and an estimated value of the intended torque applied by a wearer is calculated. | 06-19-2014 |
20140172170 | METHOD AND SYSTEM FOR EXTRACTING INTENDED TORQUE FOR WEARABLE ROBOT - Provided are a method and system for extracting intended torque for a wearable robot. The method makes use of an angle or angular velocity of rotation of a motor driving a joint and an angle or angular velocity of rotation of a link connected to the joint, and includes a friction outputting process of outputting an estimated value of friction torque from the angle of rotation of the motor, a motor torque calculating process of calculating motor torque from the angular velocity of rotation of the motor, a link rotation calculating process of calculating the angular velocity of rotation of the link, and an intended torque calculating process of substituting the motor torque and the angular velocity of rotation of the link into a disturbance observer, and calculating an estimated value of the intended torque applied by a wearer. | 06-19-2014 |
20140172171 | METHOD FOR CONTROLLING TWO ARMS OF A ROBOT - A method of controlling two arms of a robot including: a finding-out step of finding out position differences in axial directions of an end of one arm and an end of the other arm; a generating step of generating a virtual force at the end of the other arm based on the position differences that have been found out; and a converting step of converting the generated virtual force into a driving torque for joints of the other arm, using a Jacobian matrix. | 06-19-2014 |
20140172172 | METHOD FOR IMPROVING SENSITIVITY OF ROBOT - A method of improving sensitivity of a robot which includes: a calculation step, an induction step and a conversion step. The calculation step calculates angular velocities of joints of a robot. The induction step determines induced accelerations at the end of the robot by converting the angular velocities of the joints into a velocity at the end of the robot, using a Jacobian matrix, and by differentiating the velocity. The conversion step determines forces at a middle portion of the robot by multiplying the induced accelerations at the middle portion of the robot by a weight of the robot, multiplies the forces by an enhancement ratio, and then converts results of the multiplication into necessary torque at the joints, using a Jacobian matrix. | 06-19-2014 |
20140183320 | APPARATUS FOR VARIABLE SUPPORTING FOOT OF ROBOT - An apparatus for a variable supporting foot of a robot includes a guide groove formed in a foot module of the robot and having an open end. A support plate is disposed in the guide groove and can slide out of the open end of the guide groove. A power conversion unit has one end connected to the support plate. A power generation member is connected to the other end of the power conversion unit, and has a portion at a lower end thereof that extends lower than a lower surface of the foot module. The power generation member generates a driving force as the foot module approaches the ground. The driving force is converted into a rotational motion and is transmitted to the support plate by the power conversion unit to cause the support plate to slide out of the guide groove of the foot module. | 07-03-2014 |
20140184128 | Method and system for controlling gait of robot - A method includes determining whether a robot is walking and a direction in which the robot is walking; measuring an amount of time taken for a sole of a foot of the robot to step on the ground; calculating an imaginary reaction force applied to the sole using a trigonometric function having, as a period, the measured amount of time taken for the sole to step on the ground; and applying the calculated imaginary reaction force to a Jacobian transposed matrix and converting the imaginary reaction force into a drive torque for a lower extremity joint of the robot. | 07-03-2014 |
20140188277 | GRIPPER OF ROBOT AND METHOD FOR CONTROLLING THE SAME - A robot gripper is provided comprising two robot arms, upper contact parts, and lower contact parts disposed at the ends of each of the two robot arms. The upper and lower contact parts are in contact with a top and a bottom of an article when gripping the article, The upper and lower contact parts are semispherical shaped and have predetermined radii. Sensor units are mounted on the upper contact parts and the lower contact parts. The sensor units measure vertical or horizontal forces applied to the upper contact parts or the lower contact parts when gripping the article. A control unit configured to determine whether the center of gravity of the article is located at a center position between the ends of the arms using vertical and horizontal distances between the ends of the arms and vertical components of the forces measured by the sensor units when gripping the article is provided. | 07-03-2014 |
20140188279 | METHOD FOR CONTROLLING GAIT OF ROBOT - A method includes: forming an imaginary wall at a position spaced apart and outward from feet of the robot when the robot is in a double-leg-support state; kinetically calculating a variation in a distance between a body of the robot and the imaginary wall and a variation in a speed of the body of the robot relative to the imaginary wall using an angle of a joint and lengths of links of the robot; applying the variation in the distance and the variation in the speed to an imaginary spring-damper model formed between the body of the robot and the imaginary wall, and calculating an imaginary reaction force required by the body of the robot; and converting the calculated reaction force into a drive torque required by the body of the robot using a Jacobian transposed matrix. | 07-03-2014 |
20140188280 | METHOD AND SYSTEM FOR CONTROLLING GAIT OF ROBOT - A method includes determining whether a robot is walking and a direction in which the robot is walking; measuring an amount of time taken for a sole of a foot of the robot to step on the ground; calculating an imaginary reaction force applied to the sole using a trigonometric function having, as a period, the measured amount of time taken for the sole to step on the ground; and applying the calculated imaginary reaction force to a Jacobian transposed matrix and converting the imaginary reaction force into a drive torque for a lower extremity joint of the robot. | 07-03-2014 |