Patent application number | Description | Published |
20090187702 | NONVOLATILE MEMORY - For a nonvolatile memory permitting electrical writing and erasing of information to be stored, such as a flash memory, the load on the system developer is to be reduced, and it is to be made possible to avoid, even if such important data for the system as management and address translation information are damaged, an abnormal state in which the system becomes unable to operate. The nonvolatile memory is provided with a replacing function to replace a group of memory cells including defective memory cells which are incapable of normal writing or erasion with a group of memory cells including no defective memory cell, a numbers of rewrites averaging function to grasp the number of data rewrites in each group of memory cells and to so perform replacement of memory cell groups that there may arise no substantial difference in the number of rewrites among a plurality of memory cell groups, and an error correcting function to detect and correct any error in data stored in the memory array, wherein first address translation information deriving from the replacing function and second address translation information deriving from the numbers of rewrites averaging function are stored in respectively prescribed areas in the memory array, and the first address translation information and second address translation information concerning the same memory cell group are stored in a plurality of sets in a time series. | 07-23-2009 |
20110022913 | NONVOLATILE MEMORY - For a nonvolatile memory permitting electrical writing and erasing of information to be stored, such as a flash memory, the load on the system developer is to be reduced, and it is to be made possible to avoid, even if such important data for the system as management and address translation information are damaged, an abnormal state in which the system becomes unable to operate. The nonvolatile memory is provided with a replacing function to replace a group of memory cells including defective memory cells which are incapable of normal writing or erasion with a group of memory cells including no defective memory cell, a numbers of rewrites averaging function to grasp the number of data rewrites in each group of memory cells and to so perform replacement of memory cell groups that there may arise no substantial difference in the number of rewrites among a plurality of memory cell groups, and an error correcting function to detect and correct any error in data stored in the memory array, wherein first address translation information deriving from the replacing function and second address translation information deriving from the numbers of rewrites averaging function are stored in respectively prescribed areas in the memory array, and the first address translation information and second address translation information concerning the same memory cell group are stored in a plurality of sets in a time series. | 01-27-2011 |
20110283054 | NONVOLATILE MEMORY - For a nonvolatile memory permitting electrical writing and erasing of information to be stored, such as a flash memory, the load on the system developer is to be reduced, and it is to be made possible to avoid, even if such important data for the system as management and address translation information are damaged, an abnormal state in which the system becomes unable to operate. The nonvolatile memory is provided with a replacing function to replace a group of memory cells including defective memory cells which are incapable of normal writing or erasion with a group of memory cells including no defective memory cell, a numbers of rewrites averaging function to grasp the number of data rewrites in each group of memory cells and to so perform replacement of memory cell groups that there may arise no substantial difference in the number of rewrites among a plurality of memory cell groups, and an error correcting function to detect and correct any error in data stored in the memory array, wherein first address translation information deriving from the replacing function and second address translation information deriving from the numbers of rewrites averaging function are stored in respectively prescribed areas in the memory array, and the first address translation information and second address translation information concerning the same memory cell group are stored in a plurality of sets in a time series. | 11-17-2011 |
Patent application number | Description | Published |
20100180279 | FIELD CONTROL DEVICE AND FIELD CONTROL METHOD - A field control device is provided. The field control device includes: a task executing unit configured to selectively and sequentially execute a control task relating to a field control and other tasks in a same control period; and a priority switching unit configured to switch a relative priority of the control task relative to the other tasks in the control period, wherein the priority is a priority of an execution sequence of tasks in the task executing unit. The priority switching unit is configured to: i) set the priority higher than a certain priority, before the control task is started; and ii) set the priority lower than the certain priority, after the control task is ended. | 07-15-2010 |
20100198363 | DISTRIBUTED CONTROL SYSTEM - There is provided a distributed control system including a plurality of field controllers which are connected through a control network. Each of the field controllers includes: a control clock that defines a control timing of the field controller; and an adjustment unit that adjusts a control time of the control clock depending on a network time obtained through the control network. | 08-05-2010 |
20100198991 | DUPLEXED FIELD CONTROLLER - There is provided a duplexed field controller. The duplexed field controller includes: first and second control units between which a control authority is switchable; a first application clock that is updated based on a reference clock so as to define a timing of an application operation of the first control unit; a second application clock that is updated based on the reference clock so as to define a timing of an application operation of the second control unit; and an update control unit that bypasses the first update of the second application clock after switching of the control authority, if the first application clock is ahead of the second application clock when the control authority is switched from the first control unit to the second control unit. | 08-05-2010 |
20100199003 | FIELD CONTROL SYSTEM - The field control system includes: a field device; a field controller which is connected to a control network and which executes a computation processing for controlling the field device according to a given control cycle while executing a data communication between the field controller and the field device, the field controller including a communication unit configured to execute the data communication with the field device, and a control computation unit configured to execute the computation processing independently from the communication unit; and an operation monitor which is connected to the control network and which operates and monitors the field device, the operation monitor including a network clock which provides a common network time to the control network. The control computation unit and the communication unit execute the computation processing and the data communication in synchronism with each other in accordance with a timer clock based on the network time. | 08-05-2010 |
Patent application number | Description | Published |
20110229787 | PROTON EXCHANGE MEMBRANE FUEL CELL STACK - A proton exchange membrane fuel cell stack comprises a plurality of stacked unit cells, the unit cells each including: a membrane electrode assembly; an anode side-conductive gas diffusion layer and an anode side-fuel gas flow field to feed a fuel gas to an anode of the membrane electrode assembly; and a cathode side-conductive gas diffusion layer and a cathode side-oxidant gas flow field to feed an oxidant gas to a cathode of the membrane electrode assembly; and a bipolar plate for separating between the anode side-fuel flow field and the cathode side-oxidant gas flow field. Then, the fuel gas flow field and the oxidant gas flow field are constituted by respective porous media flow fields each which is a conductive porous medium, and the porous media flow field for the oxidant gas flow field is configured so that liquid water is supplied mixedly together with the oxidant gas thereto. | 09-22-2011 |
20120082915 | Polymer Electrolyte Membrane Fuel Cell - A polymer electrolyte membrane fuel cell of the present invention has a simple structure in a cooling part and is small. The polymer electrolyte membrane fuel cell includes a membrane electrode assembly, a porous gas flow field for anode which is conductive and supplies fuel gas, a porous gas flow field for cathode which is conductive and supplies oxidant gas, and a bipolar plate which separates the fuel gas flow field and the oxidant gas flow field. Channels are formed in a surface of the porous gas flow field for cathode, the surface facing the bipolar plate. Preferably, plural concave portions are provided in at least one surface of flow field walls forming the channels. Preferably, the oxidant gas is mixed with cooling water and the mixture is supplied to the porous gas flow field for cathode. | 04-05-2012 |
20120107722 | SEPARATOR AND FUEL CELL USING THE SAME - A separator for a fuel cell includes a metal separator (metal substrate) having projections formed by ribs, and porous members provided in a plurality of flow passages partitioned by the projections, in which a hydrophilic portion is provided in a center part of a cross section orthogonal to a flow direction in the porous member, and a water repellent portion is provided in at least a part of portions in contact with wall surfaces of the flow passage within a range of the cross section. | 05-03-2012 |
Patent application number | Description | Published |
20110006612 | CONTACTLESS POWER RECEIVING APPARATUS, POWER RECEIVING METHOD FOR CONTACTLESS POWER RECEIVING APPARATUS AND CONTACTLESS POWER SUPPLYING SYSTEM - Disclosed herein is a contactless power receiving apparatus, including a resonance element adapted to receive supply of AC power in a contactless fashion by resonance from a resonance element of a power supplying source; an excitation element adapted to receive supply of the AC power by electromagnetic induction from the resonance element; a rectification circuit adapted to generate DC power from the AC power from the excitation element and output the DC power; and a changeover circuit adapted to change over the AC power between a supplied state and a non-supplied state to the rectification circuit. | 01-13-2011 |
20110018358 | CONTACTLESS POWER SUPPLYING COMMUNICATION APPARATUS, CONTACTLESS POWER RECEIVING COMMUNICATION APPARATUS, POWER SUPPLYING COMMUNICATION CONTROLLING METHOD AND POWER RECEIVING COMMUNICATION CONTROLLING METHOD - A contactless power supplying communication apparatus includes: a resonance element adapted to supply alternating current power to one or more electronic apparatus by resonance; an alternating current power supply section adapted to generate alternating current power of a frequency in accordance with a resonance frequency of the resonance element and supply the generated alternating current power to the resonance element; a communication section adapted to carry out a communication process through the resonance element; and a switching section provided between the resonance element and the communication section and adapted to cut off connection between the resonance element and the communication section upon power supply but establish connection between the resonance element and the communication section upon communication. | 01-27-2011 |
20110018496 | CONTACTLESS POWER SUPPLY APPARATUS, CONTACTLESS POWER RECEIVING APPARATUS, AND ASSOCIATED METHODOLOGY OF PRIORITY DISPLAY - A contactless power supply for charging at least one device using magnetic field resonance includes an AC power supply, at least one circuit, a charging surface and at least one indicator to indicate a charging priority relative to the charging surface according to magnetic field strength. Devices placed near a region of the charging surface indicated as having a high priority by the indicators will charge more rapidly than an external device placed near a region of the charging surface indicated by the indicators as having a lower charging priority. Indication of the charging priority regions on the charging surface may be indicated by differing materials, patterns, shapes or offsets. In addition, the contactless power supply may have more than one region of high charging priority. | 01-27-2011 |
20110169337 | POWER FEED DEVICE, POWER RECEIVING DEVICE, AND WIRELESS POWER FEED SYSTEM - A power feed device includes: a power generator configured to generate power that should be fed; a power feed element configured to be formed of a coil fed with power generated by the power generator; a resonance element configured to be coupled to the power feed element by electromagnetic induction; and a variable matching unit configured to include a function for impedance matching at a point of feed of the power to the power feed element, wherein a diameter of the power feed element is changeable, and the variable matching unit is capable of changing the diameter of the power feed element. | 07-14-2011 |
20110169338 | POWER FEEDING DEVICE, POWER RECEIVING DEVICE AND WIRELESS POWER FEEDING SYSTEM - Disclosed herein is a power feeding device including a power transmitter adapted to generate a plurality of transmission signals at different frequencies including at least power to be fed; a power feeding element that is fed with transmission signals including power generated by the power transmitter; and a plurality of resonance elements that have different resonance frequencies and are provided where they can be coupled with the power feeding element by electromagnetic induction. | 07-14-2011 |
20110175456 | WIRELESS POWER SUPPLYING RACK - Disclosed herein is a wireless power supplying rack, including: a power transmission device adapted to transmit power to be supplied; a repeater device adapted to repeat the transmission power of the power transmission device; a power reception device adapted to receive the power repeated by the repeater device; and a main body in which a load to which the power received at least by the power reception device from between the power reception device and the repeater device is supplied is disposed; at least the repeater device and the power reception device from among the power transmission device, repeater device and power reception device being incorporated in the main body; wherein the power transmission device, the repeater device and the reception device have a first resonance element, a second resonance element and a third resonance element, respectively. | 07-21-2011 |
20110248572 | POWER FEEDING APPARATUS, POWER RECEIVING APPARATUS, WIRELESS POWER FEEDING SYSTEM AND METHOD FOR WIRELESS TRANSFER OF POWER - A power feeding apparatus, power receiving apparatus, wireless power feeding system, and method for wireless transfer of power are provided. The power feeding apparatus includes an impedance detector, a controller, a power transmitter, a variable matching circuit, and a signal transmitter. The controller is configured to provide first control information and second control information based on an impedance detected by the impedance detector. The power feeding apparatus' variable matching circuit is configured to change a variable diameter of a power feeding coil according to the first control information. The power receiving apparatus includes a power receiver, a signal receiver, and a variable matching circuit. The power receiving apparatus' variable matching circuit is configured to change a variable diameter of a power feeding coil according to the second control information provided by the power feeding apparatus. | 10-13-2011 |
20120007439 | POWER FEEDING APPARATUS AND WIRELESS POWER FEEDING SYSTEM - Disclosed herein is a power feeding apparatus, including: a power feeding portion adapted to feed an electric power in a wireless manner; and a storage body storing therein the power feeding portion. The storage body includes a main body, a first storage portion formed within the main body and storing therein the power feeding portion, and at least one second storage portion formed so as to be adapted to store or retrieve a power receiving apparatus as a storage object in or from the main body, the electric power of the power feeding portion stored in the first storage portion being adapted to be fed from the at least one second storage portion. At least a magnetically shielding portion is formed in an outer peripheral portion, and the at least one second storage portion forms a magnetically closed space in a state of being stored in the main body. | 01-12-2012 |
20130063160 | SENSING DEVICE, POWER RECEPTION DEVICE, POWER TRANSMISSION DEVICE, NON-CONTACT POWER TRANSMISSION SYSTEM, AND SENSING METHOD - There is provided a sensing device including a circuit including at least a coil electromagnetically coupled to an outside; a temperature detection unit for detecting a temperature of the coil; a sensing unit for measuring a Q value of the circuit; and a correction unit for correcting the Q value measured by the sensing unit based on temperature information detected by the temperature detection unit. | 03-14-2013 |
20140035364 | FEED UNIT AND FEED SYSTEM - A feed unit includes: a power transmission coil provided to perform power transmission with use of a magnetic field; a parallel LC resonance circuit including the power transmission coil; a series LC resonance circuit; an alternating-current signal generating section supplying the parallel LC resonance circuit and the series LC resonance circuit with an alternating-current signal used to perform the power transmission; and a control section controlling the alternating-current signal generating section with use of a predetermined control signal, the control section performing frequency control of the control signal to allow a circuit current that flows upon the power transmission to become smaller. | 02-06-2014 |
20140077617 | ELECTROMAGNETICALLY-COUPLED STATE DETECTION CIRCUIT, POWER TRANSMISSION APPARATUS, CONTACTLESS POWER TRANSMISSION SYSTEM, AND ELECTROMAGNETICALLY-COUPLED STATE DETECTION METHOD - An electromagnetically-coupled state detection circuit including a detection unit that measures a primary side Q value of a circuit containing a primary side coil electromagnetically coupled with a secondary side coil and power transmission efficiency to the secondary side coil, corrects the power transmission efficiency based on the Q value of the primary side coil, and detects a state of electromagnetic coupling with the secondary side coil based on an obtained corrected value of the power transmission efficiency. | 03-20-2014 |
20140159503 | DETECTION DEVICE, ENERGY RECEIVER, ENERGY TRANSMITTER, POWER TRANSMISSION SYSTEM, AND DETECTION METHOD - A detection device includes a coil configured to be electromagnetically coupled with an outside, and a detection section connected to a circuit including the coil. The detection section is configured to measure a Q value of the circuit using an alternating-current signal at a frequency different from a frequency of an alternating-current signal of contactless power feed. | 06-12-2014 |
20140312709 | ELECTRONIC APPARATUS AND TRANSMISSION SYSTEM - An electronic apparatus includes a switch control section configured to: determine whether a received signal is any one of a power signal and a data signal based on the received signal, and select any one of a power-reception operation and a data-transmission operation based on the determination of the received signal. | 10-23-2014 |
20150236519 | SENSING DEVICE, POWER RECEPTION DEVICE, POWER TRANSMISSION DEVICE, NON-CONTACT POWER TRANSMISSION SYSTEM, AND SENSING METHOD - There is provided a sensing device including a circuit including at least a coil electromagnetically coupled to an outside; a temperature detection unit for detecting a temperature of the coil; a sensing unit for measuring a Q value of the circuit; and a correction unit for correcting the Q value measured by the sensing unit based on temperature information detected by the temperature detection unit. | 08-20-2015 |
20150263531 | NON-CONTACT ELECTRIC POWER FEEDING SYSTEM, TERMINAL DEVICE, NON-CONTACT ELECTRIC POWER FEEDING DEVICE, AND NON-CONTACT ELECTRIC POWER FEEDING METHOD - Provided is a non-contact electric power feeding system including an electric power feeding device, and an electric power receiving device configured to receive electric power fed from the electric power feeding device. The electric power feeding device includes a primary-side coil, a driver, a primary-side control unit, and a primary-side communication unit. The electric power receiving device includes a secondary-side coil, a rectifier unit, a regulator, a secondary-side communication unit, and
| 09-17-2015 |
Patent application number | Description | Published |
20130248483 | METHOD FOR FABRICATING EMITTER - A method for fabricating a sharpened needle-like emitter, the method including: electrolytically polishing an end portion of an electrically conductive emitter material so as to be tapered toward a tip portion thereof; performing a first etching in which the electrolytically polished part of the emitter material is irradiated with a charged-particle beam to form a pyramid-like sharpened part having a vertex including the tip portion; performing a second etching in which the tip portion is further sharpened through field-assisted gas etching, while observing a crystal structure at the tip portion by a field ion microscope and keeping the number of atoms at a leading edge of the tip portion at a predetermined number or less; and heating the emitter material to arrange the atoms at the leading edge of the tip portion of the sharpened part in a pyramid shape. | 09-26-2013 |
20140246397 | METHOD FOR FABRICATING EMITTER - A method for fabricating a sharpened needle-like emitter, the method including: electrolytically polishing an end portion of an electrically conductive emitter material so as to be tapered toward a tip portion thereof; performing a first etching in which the electrolytically polished part of the emitter material is irradiated with a charged-particle beam to form a pyramid-like sharpened part having a vertex including the tip portion; performing a second etching in which the tip portion is further sharpened through field-assisted gas etching, while observing a crystal structure at the tip portion by a field ion microscope and keeping the number of atoms at a leading edge of the tip portion at a predetermined number or less; and heating the emitter material to arrange the atoms at the leading edge of the tip portion of the sharpened part in a pyramid shape. | 09-04-2014 |
20140284474 | FOCUSED ION BEAM SYSTEM - A focused ion beam system includes a gas field ion source which generates gas ions, an ion gun unit which accelerates the gas ions and radiates the gas ions as an ion beam, a beam optical system which includes at least a focusing lens electrode and radiates the ion beam onto a sample, and an image acquiring mechanism which acquires an FIM image of a tip of an emitter based on the ion beam. The image acquiring mechanism includes an alignment electrode which is disposed between the ion gun unit and the focusing lens electrode and adjusts a radiation direction of the ion beam, an alignment control unit which applies an alignment voltage to the alignment electrode, and an image processing unit which combines a plurality of FIM images acquired when applying different alignment voltages to generate one composite FIM image. | 09-25-2014 |
20140291509 | CHARGED PARTICLE BEAM APPARATUS AND METHOD FOR FORMING OBSERVATION IMAGE - A focused ion beam apparatus includes a lens interferometer configured to detect a relative position of an ion beam column and a sample. An image forming section includes an irradiation position specifying section configured to specify an irradiation position of an ion beam based on the detected relative position of the ion beam column and the sample, and a luminance setting section configured to set luminance of a pixel of an observation image based on the specified irradiation position of the ion beam and a detected amount of secondary particles. | 10-02-2014 |
20150047079 | Iridium Tip, Gas Field Ion Source, Focused Ion Beam Apparatus, Electron Source, Electron Microscope, Electron Beam Applied Analysis Apparatus, Ion-Electron Multi-Beam Apparatus, Scanning Probe Microscope, and Mask Repair Apparatus - There is provided an iridium tip including a pyramid structure having one {100} crystal plane as one of a plurality of pyramid surfaces in a sharpened apex portion of a single crystal with <210> orientation. The iridium tip is applied to a gas field ion source or an electron source. The gas field ion source and/or the electron source is applied to a focused ion beam apparatus, an electron microscope, an electron beam applied analysis apparatus, an ion-electron multi-beam apparatus, a scanning probe microscope or a mask repair apparatus. | 02-12-2015 |
20150053866 | Repair Apparatus - There is provided a repair apparatus including a gas field ion source which includes an ion generation section including a sharpened tip, a cooling unit which cools the tip, an ion beam column which forms a focused ion beam by focusing ions of a gas generated in the gas field ion source, a sample stage which moves while a sample to be irradiated with the focused ion beam is placed thereon, a sample chamber which accommodates at least the sample stage therein, and a control unit which repairs a mask or a mold for nano-imprint lithography, which is the sample, with the focused ion beam formed by the ion beam column. The gas field ion source generates nitrogen ions as the ions, and the tip is constituted by an iridium single crystal capable of generating the ions. | 02-26-2015 |
20150162160 | FOCUSED ION BEAM APPARATUS - A focused ion beam apparatus has an ion source chamber in which is disposed an emitter for emitting ions. The surface of the emitter is formed of a precious metal, such as platinum, palladium, iridium, rhodium or gold. A gas supply unit supplies nitrogen gas to the ion source chamber so that the nitrogen gas adsorbs on the surface of the emitter. An extracting electrode is spaced from the emitter, and a voltage is applied to the extracting electrode to ionize the adsorbed nitrogen gas and extract nitrogen ions in the form of an ion beam. A temperature control unit controls the temperature of the emitter. | 06-11-2015 |
20150206708 | CHARGED PARTICLE BEAM APPARATUS AND PROCESSING METHOD - A charged particle beam apparatus is provided with: a charged particle beam column configured to irradiate a charged particle beam; and a controller configured to control the charged particle beam column to irradiate the charged particle beam at a first pixel interval for a first region and to irradiate the charged particle beam at a second pixel interval different from the first pixel interval for a second region included in the first region. | 07-23-2015 |
Patent application number | Description | Published |
20080310639 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A communication apparatus stores, in a memory, secret data shared with a first terminal, transmits a first connection request message to the first terminal, receives (a) a transfer instruction message which is transmitted from the first terminal in response to the first connection request message, includes address information of a second terminal, and instructs transfer of a connection request to the second terminal, and (b) an encrypted message which is encrypted by using a public key of the second terminal or a shared key shared between the first terminal and the second terminal, transmits the encrypted message together with a second connection request message whose destination is the address information, receives a response message to the second connection request message and a decryption result of the encrypted message, and starts, when the decryption result equals the secret data, a communication with the second terminal. | 12-18-2008 |
20100046473 | MOBILE TERMINAL - When handover is performed from a first network to a second network, a terminal transmits a reply request message to a home agent through the first network after new configuration of a tunnel for transmitting and receiving a packet through the second network. If the terminal receives a reply message corresponding to the reply request message through the first network, the terminal detects that the configuration of the tunnel for transmitting and receiving the packet through the first network can be deleted, and deletes the configuration of the tunnel. | 02-25-2010 |
20100046474 | HOME AGENT - When handover is performed from a first network to a second network, a home agent transmits a reply request message to a terminal through the first network after new configuration of a tunnel for transmitting and receiving a packet through the second network. If the home agent receives a reply message corresponding to the reply request message through the first network, the home agent detects that the configuration of the tunnel for transmitting and receiving the packet through the first network can be deleted, and deletes the configuration of the tunnel. | 02-25-2010 |
Patent application number | Description | Published |
20090016520 | APPARATUS, METHOD, COMPUTER PROGRAM PRODUCT, AND TERMINAL DEVICE FOR CONTROLLING COMMUNICATIONS - A receiving unit receives from a second terminal, a switching request message requesting switching of a counterpart of a communication that a third terminal is establishing with a first terminal, from the first terminal to the second terminal. When receiving the switching request message, a selecting unit selects one of the second and third terminals based on a predetermined rule, as a transmission source terminal that transmits an establishment request message requesting establishment of a communication between the second terminal and the third terminal. A transmitting unit transmits to the transmission source terminal, a transmission request message requesting transmission of the establishment request message. | 01-15-2009 |
20120065907 | MEASURING DEVICE, PROTECTION RELAY, AND PROGRAM PRODUCT - According to one embodiment, a measuring device includes a clock output unit, a receiving unit, an adjusting unit, a generating unit, and a transmitting unit. The clock output unit generates a clock, counts the clock, and outputs a count value. The receiving unit receives a first message including time information. The adjusting unit adjusts time at which acquires a physical amount on the basis of the time information included in the first message and the count value output from the clock output unit when the first message is received. The generating unit generates a second message including a value of the physical amount acquired at the adjusted time. The transmitting unit transmits the second message to a device, which is a transmission source of the first message. | 03-15-2012 |
20120254674 | COMMUNICATION DEVICE AND TIME SYNCHRONIZATION SYSTEM - In an embodiment, provided is a communication device connected to time servers via a network with transfer devices. In the communication device: a network controller receives a message containing time information counted by the time server and containing a network identifier, and obtains a receiving timing of the message; a network processing unit, when the network identifier in the message does not match with any network identifier, destroys the message; a protocol processing unit, when the network identifier has a match, calculates a time error by the time information in the message and the receiving timing, detects whether a first time server is malfunctioning, and when detected the first time server malfunctioning, outputs the time error calculated by a network identifier assigned to a second time server; a servo calculates an operation amount by the time error; and a clock varies a clock rate according to the operation amount. | 10-04-2012 |
20140053152 | APPARATUS, SYSTEM, METHOD AND COMPUTER-READABLE MEDIUM FOR CONTROLLING VIRTUAL OS - An apparatus for controlling a virtual OS according to an embodiment comprises a scheduler configured for calculating a resource for zero or more first virtual machines included in a first group constructed from one or more virtual machines, calculating a ratio of an executing period with respect to a cycle of the resource, based on a throughput and a first occupancy of a processor at a time when the processor processes a first traffic and on a volume of a second traffic which is transmitted or received by zero or more second virtual machines included in the first group, calculating a second occupancy of the processor for processing the second traffic of the zero or more second virtual machines by the processor, and calculating the ratio of the zero or more first virtual machines and a sum of the second occupancies with respect to the zero or more second virtual machines. | 02-20-2014 |
20140053153 | APPARATUS, SYSTEM, METHOD AND COMPUTER-READABLE MEDIUM FOR SCHEDULING - A scheduling apparatus according to an embodiment comprises a scheduler configured to determine, using one or more task requirements of each virtual machine in the first terminal device that executes one or more virtual machines, a performance value of a first processor in the first terminal device, one or more task requirements of each virtual machine in the second terminal device that executes one or more virtual machines, and a performance value of a second processor in the second terminal device, whether or not a resource of a second processor is sufficient for a group including the one or more virtual machines in the first terminal in addition to the one or more virtual machines in the second terminal device; and a controller configured to order the first and second terminal devices to displace at least one of the one or more virtual machines in the first terminal device to the second terminal device when the resource of the second processor is sufficient for the group including the one or more virtual machines in the first terminal in addition to the one or more virtual machines in the second terminal device. | 02-20-2014 |