Abstract: A virtualization controller identifies a node that manages a segment to be accessed, and instructs the node to access the segment. A mirror controller of the node instructed to access the segment writes data in the segment managed by the node and in a segment having a mirror relation with the segment managed by the node.
Abstract: A service chain construction method includes partitioning a service chain in which a virtual distribution-function-group is arranged upstream of a most upstream virtual communication-function-group among virtual communication-function-groups arranged at stages, into sections, based on arrangement positions of the virtual distribution-function-group and a virtual communication-function-group of a terminating type among the virtual communication-function-groups, determining, for each of the sections, a communication route between a most upstream virtual distribution-function-group or the most upstream virtual communication-function-group in a section of the sections and a most downstream virtual communication-function-group or a most downstream virtual distribution-function-group in the section, based on a traffic ratio in the most upstream virtual distribution-function-group, the most downstream virtual distribution-function-group, the most upstream virtual communication-function-group, or the most downstream
Abstract: A transformer connection phase determination device includes a processor that executes a process. The process includes: acquiring a power value consumed by at least one consumer connected to a transformer that is connected to a phase corresponding to a combination of two of plural distribution lines, and acquiring respective current values flowing in the plural distribution lines; computing a frequency component of the power value or of a current value caused by the power value, and a frequency component of the respective current values flowing in the plural distribution lines; and computing respective correlation values indicating a correlation between the power value or the current value caused by the power value and the respective current values flowing in the plural distribution lines, using each of the computed frequency components, and determining the phase to which the transformer is connected based on the respective correlation values.
Abstract: A power transmission apparatus includes a primary coil connected to an AC source; a primary resonance coil configured to receive power from the primary coil; a secondary resonance coil configured to receive power from the primary resonance coil by magnetic field resonance occurred between the primary resonance coil and the secondary resonance coil; a secondary coil configured to receive power from the secondary resonance coil; a phase difference detector detect a phase difference between a phase of voltage supplied to the primary resonance coil and a phase of current flowing through the primary resonance coil; a variable capacitor provided on the primary resonance coil; and a determination part determining a coupling degree between the primary resonance coil and the secondary resonance coil based on a change degree of the phase difference relative to a change amount of capacitance when the capacitance of the variable capacitor changes.
Abstract: An information processing apparatus, includes: a memory that stores a wavelength defragmentation program; and a processor that performs, based on the wavelength defragmentation program, operations of: selecting an optical line according to a specific sequence in design information to allocate optical lines for respective optical wavelengths within a network; moving a selected optical line to a move-to optical wavelength; stopping, when movement of the selected optical line to the move-to optical wavelength is difficult, a selection of the optical line according to the specific sequence; and selecting a new optical line from optical lines indicated in a priority list.
Abstract: A method for determining parallel-processing parameters including: randomly generating first sample points each having a coordinate value representing the number of nodes to be used for running a first program and the number of processes per node to be executed in the running of the first program, calculating evaluation values of the respective first sample points based on information collected in the running, calculating a first statistics from the evaluation values; repeating the generating of the first sample points until the first statistic becomes equal to or smaller than a first threshold; and determining, based on a result of interpolation of the evaluation values of the first and the second sample points, the number of nodes and the number of processes that are recommended for running the first program.
Abstract: An opening is formed in an insulating film being a formation site, vertical and parallel CNTs are formed, tip portions of the CNTs are inserted into the opening, and the CNTs are removed except for the tip portions inserted into the opening. With this configuration, a desired conductive structure with high reliability is realized by forming high-quality CNTs in an opening of a formation site without depending on a base material.
Abstract: A signal processing device includes digital signal processing circuits. Each of the digital signal processing circuits includes: a regeneration circuit that regenerates a bit stream front an electric field information signal of an optical signal; an error correction circuit that corrects an error in the bit stream; an encoder circuit that generates an encoded bit stream from received data; and a generation circuit that generates an electric field information signal from the encoded bit stream. An electric field information signal or a bit stream is given from a regeneration circuit, an encoder circuit or a generation circuit in a first digital signal processing circuit to a second digital signal processing circuit. A regeneration circuit, an error correction circuit or a generation circuit in the second digital signal processing circuit processes the electric field information signal or the bit stream given from the first digital signal processing circuit.
Abstract: A leader line arrangement position determining apparatus includes a receiving unit, a determining unit, and an arranging unit. The receiving unit receives designation of a position of a viewpoint to display an object in a three-dimensional CAD space in which the object is arranged. The determining unit, when the three-dimensional CAD space in which the object is arranged is displayed from the designated viewpoint, determines a shape of the object displayed when viewed from the viewpoint. The arranging unit arranges one end of a leader line at a position determined from the determined shape of the object.
Abstract: A method for deployment, the method includes acquiring a history of stay time of a terminal which stayed in a provision domain that each of plurality of information processing devices provides the service from the each of plurality of the information processing devices that provides the service to the terminal, deciding, depending on a movement of a first terminal, the information processing device, which provides the service to the first terminal, among a plurality of information processing devices that the first terminal is located in the provision domain, based on a communication time about the communication with the terminal and a ratio at a shift time, which needs for a shift of the information about the service between the information processing devices, for the stay time of the provision domain that the first terminal is located that is acquired based on the history of the stay time.
Abstract: A crystal unit includes: a capacitor in which a plurality of dielectrics and a plurality of internal electrodes are alternately stacked; a crystal piece arranged above the capacitor and having excitation electrodes on both surfaces thereof; an external electrode formed on a surface of the capacitor; and a first conductor portion formed within the capacitor, and including one end electrically coupled to a first internal electrode among the plurality of internal electrodes, the other end electrically coupled to the external electrode, and a first exposed portion exposed on the surface of the capacitor between the one end and the other end.
Type:
Grant
Filed:
September 30, 2016
Date of Patent:
October 2, 2018
Assignee:
FUJITSU LIMITED
Inventors:
Hajime Kubota, Masayuki Itoh, Masakazu Kishi
Abstract: A data transfer control apparatus controls transfer of data from a plurality of first nodes included in a first region in a network to a plurality of second nodes included in a second region in the network. A control unit of the data transfer control apparatus generates an n-dimensional Latin hypercube in which the number of symbols in each dimension is a value in keeping with a size of the first region. The control unit then associates, in accordance with respective positions of the first nodes in the first region, each first node with a symbol at a corresponding position in the Latin hypercube. The control unit then instructs the first nodes so that parallel data transfers by a plurality of first node sets, where first nodes associated with a same symbol in the Latin hypercube are grouped, are executed in order in first node set units.
Abstract: A device includes a processor configured to accumulate a plurality of logs in the memory, by repeating a capturing process and a logging process, the logging process including extracting a source identifier of a source computer, a destination identifier of a destination computer, and an attribute parameter which is set in an attribute item regarding an operation for the destination computer by the source computer, execute a detection process of detecting a target computer and another infected computer, the detection process including extracting a first destination identifier and a first attribute parameter, from a first log having an identifier of the infected computer in the source identifier, and extracting a second source identifier and a second destination identifier, from a second log having the first attribute parameter in the attribute parameter, and output the first destination identifier, the second source identifier, and the second destination identifier.
Abstract: A system has a group of nodes that perform multi-hop communication therebetween and a communications apparatus that communicates with a node included in the group of nodes. The node adds to data transmitted by the node, a hop count updated each time the data is transferred by the multi-hop communication and a reference hop count for the data to be transferred from the node to the communications apparatus, and transmits the data. The communications apparatus, when receiving the data, compares the reference hop count and the hop count added to the data, and based on a result of comparison, determines whether failure has occurred at a given node in the group of nodes.
Abstract: Among plural communications nodes that transfer data to a communications apparatus by multihop communication, a communications node includes a transmitting circuit configured to transmit a synchronization request signal requesting transmission of a synchronization signal for synchronizing the multihop communication at the communications node; a receiving circuit configured to receive the synchronization signal in response to the synchronization request signal transmitted by the transmitting circuit; and a power control circuit configured to control the receiving circuit such that a state of the receiving circuit is a first state where power consumption of the receiving circuit is a first power before the transmitting circuit transmits the synchronization request signal and is a second state where the power consumption of the receiving circuit is a second power that is higher than the first power after the transmitting circuit transmits the synchronization request signal.
Abstract: A bit allocation method and apparatus for a multicarrier modulation signal and a system where the method includes: determining a signal to noise ratio margin according to a predefined probability of a maximum clipping noise that can be allowed by the system; and allocating the number of modulating bits and power in each subcarrier for a multicarrier modulation signal according to the signal to noise ratio margin. By presetting a signal to noise ratio margin for a clipping noise, tolerance of the signal for the clipping noise is increased, and bit error rate is efficiently lowered.
Abstract: A heat dissipation device includes: a plurality of heat receiving members disposed on a plurality of electronic components mounted on a substrate; a plurality of heat pipes fixed to the respective heat receiving members; and a heat sink mounted on the substrate and includes a plurality of openings formed corresponding to the heat pipes, wherein the heat pipes are inserted in the respective openings, and an inner diameter of the openings in a perpendicular direction to a surface of the substrate is larger than a diameter of the heat pipes in the perpendicular direction to the surface of the substrate.
Abstract: There is provided a semiconductor device including a memory region and a logic region. The memory region includes a transistor (memory transistor) that stores information by accumulating charge in a sidewall insulating film. The width of the sidewall insulating film of the memory transistor included in the memory region is made larger than the width of a sidewall insulating film of a transistor (logic transistor) included in the logic region.
Type:
Application
Filed:
May 31, 2018
Publication date:
September 27, 2018
Applicant:
MIE FUJITSU SEMICONDUCTOR LIMITED
Inventors:
Taiji Ema, Makoto Yasuda, Kazuhiro Mizutani
Abstract: An optical transmission apparatus includes a wavelength selection switch configured to: receive signal light, and attenuate power of the received signal light; an optical amplifier coupled to the wavelength selection switch and configured to optically amplify the attenuated signal light; and a processor configured to control the wavelength selection switch to attenuate power of signal light which passes a channel which is newly set by an attenuation amount based on information on light levels of spontaneous emission light generated by the optical amplifier.
Abstract: A semiconductor device includes as a resistance element a first polycrystalline silicon and a second polycrystalline silicon containing impurities, such as boron, of the same kind and having different widths. The first polycrystalline silicon contains the impurities at a concentration CX. The second polycrystalline silicon has a width larger than a width of the first polycrystalline silicon and contains the impurities of the same kind at a concentration CY lower than the concentration CX. A sign of a temperature coefficient of resistance (TCR) of the first polycrystalline silicon changes at the concentration CX. A sign of a TCR of the second polycrystalline silicon changes at the concentration CY.
Type:
Application
Filed:
May 30, 2018
Publication date:
September 27, 2018
Applicant:
MIE FUJITSU SEMICONDUCTOR LIMITED
Inventors:
Taiji Ema, Nobuhiro Misawa, Kazuyuki Kumeno, Makoto Yasuda