Abstract: A biometric authentication device includes: a storage unit to store a first enrolled template and first information including a parameter representing an input environment of the first enrolled template; a receiving unit to receive biometric information from the terminal device, a second enrolled template stored in the terminal device, and second information including a parameter representing an input environment of the second enrolled template; an authentication unit to perform authentication by matching the received biometric information and the first enrolled template; a selecting unit to select the first enrolled template or the second enrolled template, based on the first and second information, when the biometric information is accepted; and an updating unit to update the first enrolled template stored in the storage unit to the second enrolled template when the second enrolled template is selected.

Abstract: A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction error generating unit with different encoding methods. A determining unit estimates the accuracy of the predictive vector generated by the prediction error generating unit based on the degrees of non-uniformity of the motion vectors of the plurality of adjacent blocks. A selecting unit selects one of the encoding results obtained by the plurality of variable-length coding units.

Abstract: A method for transmitting uplink response signals, base station, mobile station and communication system, includes judging whether to use a downlink secondary component carrier to transmit data to a mobile station; if the judging result is positive, allocating resources according to the number of transmission blocks for transmitting the downlink data in the secondary component carrier, accordingly the mobile station is able to use the resources corresponding to a preconfigured primary component carrier and the resources allocated to the secondary component carrier to select uplink resources for transmitting response signals.

Abstract: A processor of a gateway node device determines whether to divide a first tree included in a tree structure formed by sensor node devices intermittently operating and the gateway node device as a root of the tree structure. The first tree includes a first node device as a root. The processor divides, upon determining to divide the first tree, the first tree into a second tree and a third tree at a second node device different from the first node device. The second node device is a root of the second tree. The second node device is a child node of the third tree. The processor assigns active time periods within an intermittent operation cycle to the respective second and third trees. The assigned active time periods are mutually disjoint. The processor notifies sensor node devices included in the first tree of the assigned active time periods.

Abstract: A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction error generating unit with different encoding methods. A determining unit estimates the accuracy of the predictive vector generated by the prediction error generating unit based on the degrees of non-uniformity of the motion vectors of the plurality of adjacent blocks. A selecting unit selects one of the encoding results obtained by the plurality of variable-length coding units.

Abstract: A compound semiconductor device has a buffer layer formed on a conductive SiC substrate, an AlxGa1-xN layer formed on the buffer layer in which an impurity for reducing carrier concentration from an unintentionally doped donor impurity is added and in which the Al composition x is 0<x<1, a GaN-based carrier transit layer formed on the AlxGa1-xN layer, a carrier supply layer formed on the carrier transit layer, a source electrode and a drain electrode formed on the carrier supply layer, and a gate electrode formed on the carrier supply layer between the source electrode and the drain electrode. Therefore, a GaN-HEMT that is superior in device characteristics can be realized in the case of using a relatively less expensive conductive SiC substrate compared with a semi-insulating SiC substrate.

Abstract: An information processing apparatus provided with a plurality of nodes each including at least one processor, a system controller, and a main memory, includes a status storage unit that stores statuses of a plurality of cache lines and that is capable of reading statuses of a plurality of cache lines by one reading operation, a recording unit that is provided in a system controller in at least one node and that records all or part of the statuses stored in the status storage unit, wherein the system controller records obtained statuses in the recording unit on a condition that all of the statuses of the plurality of cache lines obtained by reading the status storage unit are invalid statuses or shared statuses in different nodes when the system controller has read the status storage unit in response to a request.

Abstract: A method of network communications includes determining an access identifier (AID) for an egress signal through a network interface of a network element, an Optical Transport Network (OTN) multiplexing structure identifier (MSI) associated with the egress signal through the network interface, another AID associated with a defined ingress signal through the network interface, another OTN MSI associated with the defined ingress signal through the network interface, and associating the egress signal and the defined ingress signal based on the AIDs and OTN MSIs. The first OTN MSI is not equal to the second OTN MSI.

Abstract: A relay device arranged between a plurality of terminal devices and a file device for relaying data communication, includes: a storage unit configured to store a change history of each piece of data acquired from the file device by a request from the terminal device; a communication unit; and a computation processing unit configured to, in a case where a change history of first data acquired from the file device by a request from a first terminal device is different from a change history of second data having the same file name as the first data acquired from the file device after acquisition of the first data by the first terminal device by a request from a second terminal device, control and cause the communication unit to notify the first terminal device that the first data is changed to the second data.

Abstract: A load threshold calculating apparatus includes a computer that acquires for a second storage device having a lower response performance to access requests than a first storage device, a required maximum response time for response to a read request; substitutes the maximum response time into a model expressing for the second storage device, a response time to the read request, the response time increasing exponentially with an increase in read requests and according to an exponent denoting the number of read requests to the second storage device per unit time, to calculate a value indicative of the number of read requests in a case of the maximum response time; calculates based on the calculated value and the number of the memory areas in the second storage device, an upper limit value of the number of read requests to a memory area per unit time; and outputs the upper limit value.

Abstract: A motion video encoding apparatus includes: a group determining unit which determines to which of a plurality of groups each block belongs; a group decode time information computing unit which computes a decode time for each of the groups; a group information appending unit which appends group information identifying the group to which each block belongs to data to be output; a code amount control unit which controls an amount of code for each block contained in the group so that data needed for decoding all the blocks contained in the group will arrive at a stream receive buffer provided in a motion video decoding apparatus by the decode time of the group when the data is transmitted to the motion video decoding apparatus at a prescribed transmission rate; and an encode processing unit which encodes each block, based on control information concerning the amount of code.

Abstract: An optical semiconductor device includes: a waveguide unit which is formed on a semiconductor substrate including a (100) plane and includes a core layer which propagates light; a spot size converting unit which is formed on the semiconductor substrate, is optically connected to the waveguide unit, and converts diameter of light propagated; and a pair of terraces which are formed on the semiconductor substrate and are opposed to each other while sandwiching the spot size converting unit. Interval between opposed units which are opposed to each other while sandwiching the spot size converting unit in the pair of terraces changes, and each of the opposed units includes a part whose orientation tilts to a [0-11] direction with respect to a [011] direction, and position of an upper end of the spot size converting unit is higher than that of an upper end of the waveguide unit.

Abstract: Each node transmits to a destination node a registration packet indicating that a local node is a node to request packet transmission. Each node transmits a packet to the destination node within a transmission time reported from the destination node. The destination node receives a registration packet from each node, and calculates a traffic amount to occur in each path for every path going through an adjacent node that enables direct communication with the destination node. The destination node assigns a transmission time to transmit the packet to the each path based on the calculated traffic amount of each path and reports the assigned transmission time to each node.

Abstract: A power distribution device includes power distribution ports that are connected to electric devices, respectively, and distribute a power supply signal to the electric devices, an inrush current suppressing circuit that collectively suppresses an inrush current on an upstream side ahead of the electric devices, a controller that detects an occurrence of the inrush current and outputs a switching instruction, and a switch that switches, based on the switching instruction, a path for the power supply signal to a first power supply path that causes the power supply signal to be input to the inrush current suppressing circuit when the inrush current has occurred, and that switches, on based on the switching instruction, the path for the power supply signal to a second power supply path that causes the power supply signal to bypass the inrush current suppressing circuit when the inrush current has not occurred.

Abstract: There is provided a radiator which includes a tank including first and second chambers that are separated from each other, the first and second chambers including first and second openings, respectively, a first tube including first and second ends, the first and second ends communicating with the first and second chambers, respectively, and a second tube being next to the first tube, the second tube including first and second ends communicating with the first and second chambers, respectively, wherein the first chamber includes first and second flow channels that communicate with the first opening, the first and second channels being split so as to sandwich at least part of the second chamber, and the first ends of the first and second tubes sandwich the second ends of the first and second tubes.

Abstract: Disclosed is a non-transitory computer-readable medium storing a program, which causes a computer to execute a sequence of processing. The sequence of processing includes receiving status information by a second server device from a client device, the status information being collected by the client device, and including a status of a first server device and statuses of one or more standby servers configured to operate when the first server device fails, and causing the second server device to operate, when the status information indicates a predetermined first status, as at least one of the first server device and the one or more standby servers in a failure status.

Abstract: A method comprises selecting from among a plurality of firmware updating procedures, a firmware updating procedure by which a service stopping period that arises, in at least one of communication schemes, from firmware updating in at least one of a common function section and a plurality of individual function sections, the service stopping period being equal to or lower than a predetermined threshold value, and carrying out the selected firmware updating procedure.

Abstract: A circuit device includes a clock generator outputting a clock signal having a first frequency; plural phase controllers inputting the clock signal having the first frequency, and outputting clock signals having the first frequency and having phases advanced or delayed with respect to a phase of the clock signal; a selector inputting the plural clock signals having the first frequency output from the plural phase controllers, sequentially selecting pulses of the plural clock signals, and outputting a clock signal having a second frequency; a pattern generator generating a test pattern based on the clock signal having the second frequency; and a circuit inputting the clock signal having the second frequency and the test pattern generated by the pattern generator, operate based on the clock signal having the second frequency, and outputting operation results.

Abstract: A storage device, which performs input/output processing on a memory device through a relay apparatus, includes a memory and a processor coupled to the memory. The processor executes a process including: determining whether or not a cumulative value accumulated according to occurrence of error in the memory device during the input/output processing reaches a predetermined threshold value; comparing when the determined cumulative value is greater than or equal to the threshold value, number of input/output processing on the memory device with number of input/output processing on another memory device mounted on the relay apparatus, and determining whether or not there is a bias; determining when the bias is determined, whether or not a connection status is normal with respect to the relay apparatus; and detaching when it is determined that the connection status of the relay apparatus is normal, the connection to the memory device.

Abstract: A virtual storage device including a releasable region decider that decides whether each of a plurality of management unit regions is a releasable region, being allocated a physical region and being a release candidate region, by referring to management data that associates allocation data representing a state of allocating a physical region to the management unit region and release candidate region data representing whether the management unit region is a release candidate region with each other; a determinator that determines whether the management unit region decided to be the releasable region by the releasable region decider is an all-zero region all data in which are zero; and a releaser that releases allocation of a physical region allocated to the management unit region determined to be the all-zero region by the determinator. This configuration makes it possible to efficiently use the storage region.