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| 20090059434 | ARM BLADE, HEAD STACK ASSEMBLY COMPRISING THE SAME, AND HARD DISK DRIVE COMPRISING THE HEAD STACK ASSEMBLY - An arm plate coupled to a pivot bearing to closely contact an overmold and having a leading end portion where a head gimbal assembly (HGA) is attached when assembling a head stack assembly (HSA) of a hard disk drive (HDD), wherein a bending alleviation through hole is formed in a portion that overlaps and closely contacts an edge of the overmold, the head stack assembly with the arm plate, and the hard disk drive with the head stack assembly. | 03-05-2009 |
| 20090251824 | RAMP TO PARK READ/WRITE HEAD AND HARD DISK DRIVE INCLUDING THE SAME - A ramp to park a read/write head includes a fixed portion fixed to a base member of the hard disk drive, and a supporting portion to contact and support the tip-tab of the suspension assembly and includes an inclined rail surface and a horizontal rail surface which extend in a moving direction of the tip-tab, wherein a rail boundary between the inclined rail surface and the horizontal rail surface is inclined with respect to a lengthwise axis of the tip-tab. The rail boundary can be a straight line inclined at an angle with respect to the lengthwise axis of the tip-tab, or can be curved toward the horizontal rail surface or the inclined rail surface. | 10-08-2009 |
| 20090268346 | SUSPENSION ASSEMBLY AND ACTUATOR HAVING THE SAME IN HARD DISK DRIVE - A suspension assembly and an actuator having the same, which are of a hard disk drive (HDD). The actuator includes a swing arm rotatably mounted on a base member; a suspension assembly elastically biasing a slider having a read/write head toward a surface of a disk; and a voice coil motor (VCM) rotating the swing arm so as to move the read/write head to a predetermined position on the disk. The suspension assembly includes a load beam coupled to an end of a swing arm of an actuator; a flexure attached to the load beam so as to support the slider; and a tip-tab which extends from a front end of the load beam so as to contact a ramp that is installed in the vicinity of the disk when the read/write head is parked, wherein a width of a contact part of the tip-tab that contacts the ramp is wider than other parts of the tip-tab. The actuator of the tip-tab is positioned in the middle part of the tip-tab in a longitudinal direction, and a width of a part engaged with the load beam and a width of a front part of the tip-tab are smaller than the width of the contact part. The width of the tip-tab increases gradually from the front end of the load beam up to the contact part, and decreases gradually after the contact part. | 10-29-2009 |
| 20090284910 | SUPPORTING AND DAMPING STRUCTURE OF HARD DISK DRIVE - A supporting and damping structure of a hard disk drive (HDD) that includes a housing and a printed circuit board (PCB) coupled to the housing. The supporting and damping structure includes extension parts extending from at least both edges of the PCB beyond the housing; and support members supporting the extension parts so that the HDD does not directly contact an electronic device in which the HDD is installed. The support members include dampers formed of a viscoelastic material and coupled to the extension parts and/or lower supporters and upper supporters respectively disposed on a base and a cover of the electronic device. | 11-19-2009 |
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| 20090319919 | Apparatus and method for dynamically creating a community space in a virtual space - An apparatus and method for dynamically creating a community space in a virtual space. A request for a connection to a personal web space of another user to be visited by a user possessing a personal web space is made. When the connection request is identified, a new community space is generated by connecting the personal web spaces of the users to each other. Immediate interaction between the users is performed in the generated new community space. | 12-24-2009 |
| 20100114483 | Method and apparatus for automatically optimizing and setting a GPS reception period and map contents - A method and apparatus for Global Positioning System (GPS) navigation is configured to automatically set an optimal GPS reception period and optimal map contents according to a moving speed of a user in a navigation system using a GPS terminal. When the moving speed of the user is considered, power efficiency is increased by optimizing a GPS reception period in terms of hardware and system load is decreased by reducing an unnecessary system operation in terms of software. User convenience is maximized by optimizing map contents requested by the user according to a moving speed in real time and displaying the optimized map contents. | 05-06-2010 |
| 20100180012 | APPARATUS AND METHOD FOR MULTIMEDIA FILE STREAMING IN PORTABLE TERMINAL - An apparatus and method for multimedia file streaming are provided. In a method for multimedia file streaming in a receiving portable terminal, the method includes determining meta data included in a received packet, generating new meta data having a circular-type media data offset on the basis of the meta data, storing media data included in the packet received in a circular manner according to the media data offset included in the new meta data, and loading the media data stored according to the media data offset included in the new meta data. | 07-15-2010 |
| 20110060520 | Method and apparatus for searching and storing contents in portable terminal - A method and apparatus uses various location information to store and search contents in a portable terminal. The method of storing and searching contents includes obtaining location-based information including at least one of region information and a Point Of Interest (POI) corresponding to current location information when storing the contents. The contents and the location-based information are stored by mapping the contents and the location-based information. At least one of the POI and the region information determined by a user is set when searching the contents. And the contents corresponding to the information determined by the user are searched. | 03-10-2011 |
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| 20080316251 | PRINT HEAD CLEANING DEVICE AND INK-JET IMAGE FORMING APPARATUS HAVING THE SAME - A print head cleaning device and an ink-jet image forming apparatus having the same are disclosed. The ink-jet image forming apparatus includes a print head having a nozzle part to eject an ink, and a print head cleaning device to clean the nozzle part. The print head cleaning device includes a cleaning liquid tank to store a cleaning liquid, a cleaning bath mounted below the nozzle part to be supplied with the cleaning liquid from the cleaning liquid tank, a connecting tube to connect the cleaning liquid tank to the cleaning bath, a pump connected to the connecting tube to circulate the cleaning liquid, a sensing tube mounted in a portion of the connecting tube and provided with a flow passage through which the cleaning liquid flows, a moving member mounted within the flow passage of the sensing tube so as to move by the flow of the cleaning liquid, and a sensor to sense the movement of the moving member. Accordingly, it can be easily ascertained whether the cleaning liquid is smoothly supplied, by sensing the movement of the moving member in the sensing tube mounted within the cleaning liquid supply passage. | 12-25-2008 |
| 20110057990 | PRINT HEAD MAINTENANCE APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME - An image-forming apparatus includes a print head unit including a plurality of head chips disposed in a widthwise direction of a supplied printing medium to eject ink to form an image, a wiping unit including a plurality of wiper members disposed in the widthwise direction of the printing medium, and a support member supporting the plurality of wiper members and located below the print head unit to move upwardly and downwardly. The image-forming apparatus also includes an ink discharging unit which accommodates and discharges ink spitted from the print head unit, an elevating driving unit which moves the wiping unit upwardly and downwardly between at least two positions of a first forward position which is a wiping standby position, a second forward position which is a scrapping position, and a retracted position, and a widthwise direction driving unit which reciprocates the wiping unit positioned in the first or second forward positions by the elevating driving unit. | 03-10-2011 |
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| 20090104487 | FUEL CELL SYSTEM INCLUDING FUEL PROCESSOR AND MANAGING METHOD THEREOF - A fuel cell system including a fuel processor, and a method of operating the fuel cell system, the fuel cell system includes: a reformer that reforms a hydrocarbon group fuel source into a reformed gas; a burner that heats the reformer; a CO remover unit that removes CO from a reformed gas generated by the reformer; a stack to generate electricity using the reformed gas; a first burner fuel supply line to supply the hydrocarbon group fuel source to the burner; and a second burner fuel supply line to supply the reformed gas from the CO remover unit to the burner. | 04-23-2009 |
| 20090186246 | Fuel cell and control method thereof - Disclosed herein are a fuel cell and a method for controlling the fuel cell. The fuel cell includes a reforming apparatus to perform reformation reactions and thereby to produce a fuel gas and a heat by-product, a stack to receive the fuel gas from the reforming apparatus and thereby to generate energy, a preheating unit to heat the stack and thereby to promote the operation of the stack, and an operation control unit to supply at least one of the fuel gas and heat by-product to the preheating unit during an initial operation of the reforming apparatus, and to supply the fuel gas to the stack upon the completion of the initial operation of the reforming apparatus. According to the fuel cell, it is possible to rapidly elevate an internal temperature of the fuel cell in an economical manner until the fuel cell initially operation and then enables normal operation. | 07-23-2009 |
| 20090269631 | Fuel cell system and control method thereof - Disclosed is a method of controlling a fuel cell system including a fuel processor to generate reforming gas and a stack to generate energy by receiving the reforming gas from the fuel processor. The method includes performing an initial operation, in which the fuel processor is operated to generate thermal energy heating, a heat medium is heated by the thermal energy generated from the fuel processor, and raising a temperature of the stack to a normal operation temperature by the heat medium having a high temperature, and performing a normal operation, in which the reforming gas is supplied to the stack after the temperature of the stack has reached the normal operation temperature. The stack temperature is raised until the stack is normally operated by heating the stack through the circulation of a heat medium heated by heat generated from a fuel processor. | 10-29-2009 |
| 20100062291 | Fuel cell system and fuel supply method thereof - A stable fuel supply system in a fuel cell system produces heat and electricity by combining hydrogen modified from a major raw material selected from various hydrogen compounds, with oxygen existing in air. A fuel supply device and a fuel supply method in a fuel cell system, which automate a steam to carbon ratio (S/C) control and a lamda control, and achieve a fuel cell system operation efficiently and stably coping with pressure loss and pulsation occurring within the system, while using a minimum number of balance-of-plant (BOP) units. A method more efficiently and precisely supplies fuel during the start-up and operation of the fuel cell system, while preventing flame failure of a burner and maintaining an appropriate carbon monoxide concentration even when an abrupt flow rate variation occurs. Also, an operating method improves functions associated with a decomposition ability based on selection of the specification of a fuel pump, and thus, is more economical and stable in terms of the costs and configuration of the fuel cell system. | 03-11-2010 |
| 20100062295 | Fuel cell system and air supply method thereof - A stable air supply system in a fuel cell system produces heat and electricity by combining hydrogen modified from a major raw material selected from various hydrogen compounds, with oxygen existing in air. An air supply device and an air supply method in a fuel cell system, automate a lamda control, and achieve a fuel cell system operation efficiently and stably coping with pressure loss and pulsation occurring within the system, while using a minimum number of balance-of-plant (BOP) units. A method efficiently and precisely supplies air during the start-up and operation of the fuel cell system, while preventing flame failure of a burner and maintaining an appropriate carbon monoxide concentration even when an abrupt flow rate variation occurs. In this regard, an operating method is economical and stable in terms of the costs and configuration of the fuel cell system. | 03-11-2010 |
| 20100143756 | CONNECTING APPARATUS IN FUEL CELL SYSTEM AND FUEL CELL SYSTEM INCLUDING THE CONNECTING APPARATUS - A connecting apparatus in a fuel cell system and a fuel cell system including the connecting apparatus include a pipe module and a controller controlling the operation of the pipe module. The pipe module includes a first valve connecting a fuel processor and an anode of a stack, a second valve connecting an automatic drain and a heat exchanger, and a check valve connecting the anode of the stack and the heat exchanger. | 06-10-2010 |
| 20100167097 | HEAT RECOVERY METHOD AND APPARATUS IN FUEL CELL SYSTEM, AND FUEL CELL SYSTEM INCLUDING THE APPARATUS - A fuel cell heat recovery system and method, the heat recovery method including: closing a proportionate valve to control water flow to a second heat exchanger that recovers heat from an electric heater that uses surplus power of the fuel cell system, if the fuel cell system is completely activated; opening an electronic valve to control water flow to a first heat exchanger that recovers heat from cooling water discharged from a stack of the fuel cell system; and supplying a predetermined amount of water to the first heat exchanger. | 07-01-2010 |
| 20110143231 | INTEGRATED PIPING MODULE IN FUEL CELL SYSTEM - An integrated piping module to connect a fuel cell and a fuel processor, the integrated piping module including: tanks to collect heat emitted from a reformate gas generated by the fuel processor, heat emitted from air discharged from the fuel cell, and water condensed from the reformate gas and/or the discharged air; pipes to heat and cool the reformate gas, and to remove the water from the tanks. | 06-16-2011 |
| 20110151344 | METHOD OF CONTROLLING FUEL CELL SYSTEM - A method of controlling a fuel cell system, the method involving: controlling the power output of the fuel cell system and an amount of a fuel that is supplied to the fuel cell system, so as to increase a fuel utilization rate of a fuel cell, according to variations of the power output of the fuel cell system. | 06-23-2011 |
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| 20110085258 | Magneto-resistive devices, information storage devices including the same and methods of operating information storage devices - An information storage device includes a magnetic track and a magnetic domain wall moving unit. The magnetic track has a plurality of magnetic domains and a magnetic domain wall between each pair of adjacent magnetic domains. The magnetic domain wall moving unit is configured to move at least the magnetic domain wall. The information storage device further includes a magneto-resistive device configured to read information recorded on the magnetic track. The magneto-resistive device includes a pinned layer, a free layer and a separation layer arranged there between. The pinned layer has a fixed magnetization direction. The free layer is disposed between the pinned layer and the magnetic track, and has a magnetization easy axis, which is non-parallel to the magnetization direction of the pinned layer. | 04-14-2011 |
| 20110089995 | Graphene device and method of manufacturing the same - Provided is a graphene device and a method of manufacturing the same. The graphene device may include an upper oxide layer on at least one embedded gate, and a graphene channel and a plurality of electrodes on the upper oxide layer. The at least one embedded gate may be formed on the substrate. The graphene channel may be formed on the plurality of electrodes, or the plurality of electrodes may be formed on the graphene channel. | 04-21-2011 |
| 20110092054 | Methods for fixing graphene defects using a laser beam and methods of manufacturing an electronic device - Methods of fixing graphene using a laser beam and methods of manufacturing an electronic device are provided, the method of fixing graphene includes fixing a defect of a graphene nanoribbon by irradiating the laser beam onto the graphene nanoribbon. | 04-21-2011 |
| 20110108521 | Methods of manufacturing and transferring larger-sized graphene - Example embodiments relate to methods of manufacturing and transferring a larger-sized graphene layer. A method of transferring a larger-sized graphene layer may include forming a graphene layer, a protection layer, and an adhesive layer on a substrate and removing the substrate. The graphene layer may be disposed on a transferring substrate by sliding the graphene layer onto the transferring substrate. | 05-12-2011 |
| 20110108609 | Methods of fabricating graphene using alloy catalyst - Methods of fabricating graphene using an alloy catalyst may include forming an alloy catalyst layer including nickel on a substrate and forming a graphene layer by supplying hydrocarbon gas onto the alloy catalyst layer. The alloy catalyst layer may include nickel and at least one selected from the group consisting of copper, platinum, iron and gold. When the graphene is fabricated, a catalyst metal that reduces solubility of carbon in Ni may be used together with Ni in the alloy catalyst layer. An amount of carbon that is dissolved may be adjusted and a uniform graphene monolayer may be fabricated. | 05-12-2011 |
| 20110149670 | Spin valve device including graphene, method of manufacturing the same, and magnetic device including the spin valve device - Provided are a spin valve device including graphene, a method of manufacturing the spin valve device, and a magnetic device including the spin valve device. The spin valve device may include at least one of a graphene sheet or a hexagonal boron nitride (h-BN) sheet between a lower magnetic layer and an upper magnetic layer. The graphene sheet may have a single layer structure or a multilayer structure. The spin valve device may further include a spacer between the lower magnetic layer and the graphene sheet. The spin valve device may further include a spacer between the graphene sheet and the upper magnetic layer. | 06-23-2011 |
| 20110210314 | Graphene electronic device and method of fabricating the same - A graphene electronic device may include a silicon substrate, connecting lines on the silicon substrate, a first electrode and a second electrode on the silicon substrate, and an interlayer dielectric on the silicon substrate. The interlayer dielectric may be configured to cover the connecting lines and the first and second electrodes and the interlayer dielectric may be further configured to expose at least a portion of the first and second electrodes. The graphene electronic device may further include an insulating layer on the interlayer dielectric and a graphene layer on the insulating layer, the graphene layer having a first end and a second end. The first end of the graphene layer may be connected to the first electrode and the second end of the graphene layer may be connected to the second electrode. | 09-01-2011 |
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| 20100026068 | APPARATUS FOR TILTING VEHICLE SEAT CUSHION - An apparatus for tilting a vehicle seat cushion raises the front end to be higher than the rear end of the seat cushion in order to enhance a supporting force for an occupant seated in a vehicle seat, thereby preventing the occupant from being pushed forwards in the event of sudden braking. The apparatus includes a cushion tilting unit installed in the seat cushion, wherein the cushion tilting unit raises a front end of a seat cushion to be higher than a rear end of the seat cushion without adjusting an angle of the seat back. | 02-04-2010 |
| 20100127540 | Active Headrest Apparatus for Vehicle and Actuator Thereof - An actuator of an active headrest apparatus for a vehicle, which is operably connected to a headrest assembly and selectively allows a headrest of the headrest assembly to pop out forwards when a vehicle collision occurs, may include a housing installed on a seatback frame and formed with a guide groove, an operating plate elastically supported over the housing, an operating bracket arranged between the housing and the operating plate and having a guide projection slidably inserted into the guide groove of the housing, and an operating wire unit connecting the operating bracket with the headrest assembly, wherein the operating wire unit includes an operating wire and an operating wire retainer to slidably receive the operating wire therein. | 05-27-2010 |
| 20100133082 | Switch Apparatus for Adjusting Power Seat in Vehicle - A switch apparatus for adjusting a power seat in a vehicle, may include a body, a plurality of switches installed on the body including a first switch manipulated in a horizontal direction, and a second switch spaced apart from the first switch and manipulated in a vertical direction, and a guide bracket, a first end portion of which is integrally coupled to the first switch and a second end portion of which is placed around the second switch and selectively coupled to the second switch according to a horizontal movement of the first switch, wherein the second switch is movable in the vertical direction while the first switch is in a neutral position, while the first switch is out of the neutral position, and wherein the second end portion of the guide bracket is interfered with the second switch while the second switch is out of a neutral position. | 06-03-2010 |
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| 20080215939 | Semiconductor memory device with fail-bit storage unit and method for parallel bit testing - There are provided a semiconductor memory device and a method for testing the same, in which when a plurality of semiconductor memory devices are under test, tester equipment can detect which one of the semiconductor memory devices fails without a separate fail memory. The semiconductor memory device with a memory cell array includes a comparing circuit configured to compare data read after having been written for parallel bit testing with each other and outputting comparison result data; and a storage and output unit configured to latch, as pass/fail data, the comparison result data output from the comparing circuit, simultaneously output the latched comparison result data via a plurality of outputs when an enable signal is activated, and simultaneously output independently applied parallel bit test comparison data via the plurality of outputs when the enable signal is not activated. | 09-04-2008 |
| 20090244986 | Semiconductor memory device and methods thereof - A semiconductor memory device and methods thereof are provided. The example semiconductor memory device may include a memory cell configured to store data, a storage unit configured to store at least one data pattern, a data output circuit configured to output the stored data during a first type of read operation and configured to output the at least one data pattern during a second type of read operation and an output control circuit for controlling the data output circuit such that the memory cell is not accessed during read operations of the second type. A first example method may include storing at least one data pattern in a storage unit, outputting the stored data within the memory cell in response to a first type of read operation and outputting the at least one data pattern in the storage unit in response to a second type of read operation and blocking access to the memory cell during read operations of the second type. A second example method may include storing at least one fixed data pattern within a storage unit, the at least one fixed data pattern only accessible during read operations of a first type, storing normal data within at least one memory cell, the normal data only accessible during read operations of a second type and blocking access to the at least one memory cell during an execution of read operations of the second type. | 10-01-2009 |
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| 20100200907 | Semiconductor Integrated Circuit Device and Method of Fabricating the Same - A semiconductor integrated circuit device is provided. The semiconductor integrated circuit device includes a plurality of isolation regions which are formed within a semiconductor substrate and define active regions. A tunnel layer and a trap seed layer are formed in each of the active regions and are sequentially stacked between the isolation regions. A trap layer is formed on the trap seed layer and protrudes further than a top surface of each of the isolation regions. A blocking layer is formed on the trap layer. A gate electrode is formed on the blocking layer. | 08-12-2010 |
| 20110001183 | Memory device and method of fabricating the same - A memory device and a method of fabricating the same are provided. The memory device includes a tunneling dielectric layer on a substrate, a charge storage layer on the tunneling dielectric layer, a blocking dielectric layer on the charge storage layer, the blocking dielectric layer including a first dielectric layer having silicon oxide, a second dielectric layer on the first dielectric layer and having aluminum silicate, and a third dielectric layer formed on the second dielectric layer and having aluminum oxide, and an upper electrode on the blocking dielectric layer. | 01-06-2011 |
| 20110240954 | SILICON NANOWIRE COMPRISING HIGH DENSITY METAL NANOCLUSTERS AND METHOD OF PREPARING THE SAME - A silicon nanowire includes metal nanoclusters formed on a surface thereof at a high density. The metal nanoclusters improve electrical and optical characteristics of the silicon nanowire, and thus can be usefully used in various electrical devices such as a lithium battery, a solar cell, a bio sensor, a memory device, or the like. | 10-06-2011 |
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| 20090323639 | FAST SERVING CELL CHANGE METHOD AND APPARATUS FOR MOBILE COMMUNICATION SYSTEM - A serving cell change method and apparatus is provided for efficiently performing the serving cell change in a mobile communication system. The UE receives a cell change control information including an activation time from a serving cell, when a downlink channel status of the serving cell is inferior to a downlink channel status of a target cell, reports a measurement result to the serving cell while performing data communication with the serving cell, monitors receipt of a cell change indicator transmitted by the target cell before the expiration of the activation time while performing the data communication with the serving cell, and when the cell change indicator is received, communicates data with the target cell by sending an acknowledgement in response to the cell change indicator and switching to the target cell. | 12-31-2009 |
| 20100034114 | CQI REPORTING METHOD AND APPARATUS FOR MOBILE TELECOMMUNICATION SYSTEM - A CQI reporting method for a Dual-Cell HSDPA service of a mobile communication system is provided for reducing CQI reporting overhead. A user terminal transmits channel quality indicators for downlink channels in a mobile communication system, measures channel qualities of a first downlink channel and a second downlink channel, compares the channel qualities of the first and second downlink channels with each other, selects at least one channel quality of the first and second downlink channels, and transmits at least one channel quality indicator indicating the at least one channel quality. | 02-11-2010 |
| 20100034176 | METHOD AND APPARATUS FOR DYNAMICALLY ACTIVATING AND DEACTIVATING A SUPPLEMENTARY CELL FOR A WCDMA SYSTEM - A method and apparatus for dynamically activating and deactivating a supplementary cell in Dual-Cell HSDPA service of a Universal Mobile Communication Service (UMTS) system. In a supplementary cell activation and deactivation method, a user equipment receives a supplementary cell activation command from a base station; compares an uplink transmission power with a predetermined threshold value; transmits a supplementary cell activation reply, when the uplink transmission power is equal to or greater than the threshold value; and transmits a supplementary cell deactivation reply, when the uplink transmission power is less than the threshold value. | 02-11-2010 |
| 20100158078 | METHOD AND APPARATUS FOR FREQUENCY ASSIGNMENT IN A FREQUENCY HOPPING MODE OF A WIRELESS COMMUNICATION SYSTEM - A frequency allocation method and apparatus using a mirroring-assisted frequency hopping pattern is provided for retransmission in a wireless communication system operating in frequency hopping mode. A frequency allocation method for a wireless communication system operating in frequency hopping mode includes generating a mirroring pattern having a mirroring-assisted frequency hopping interval identical with a data retransmission interval; and allocating different frequency bands for an initial transmission and retransmission by performing frequency hopping according to the mirroring pattern. Preferably, the mirroring-assisted frequency hopping interval is shorter than the data retransmission interval. | 06-24-2010 |
