Abstract: According to an embodiment, a server apparatus includes a first reception unit, a second reception unit, a classification unit, a second criterion selection unit, a group determination unit, and an individual determination unit. The second criterion selection unit selects, for each group and as a second criterion, a first criterion that is most likely to satisfy from among first criteria that are associated with pieces of identification information of first client apparatuses included in the group. The group determination unit determines whether first acquired data satisfies a second criterion for the group including a first client apparatus that has transmitted the first acquired data.

Abstract: According to one embodiment, a communication device capable of communicating with each of a control device and a processing device through a network includes processing circuitry. The processing circuitry creates a job upon receiving a first request from the control device, the first request designating a content of a process that is executed by the processing device, the job containing information to instruct the processing device to execute the process and a first time limit relevant to the process. The processing circuitry controls transition among a plurality of states of the job. The processing circuitry controls, upon receiving a second request for the job from the processing device or the control device, execution of the second request, based on the first time limit and the state of the job.

Abstract: A communication device according to an embodiment performs communications with one or more devices via a relay server. To switch a connection destination from a first relay server serving as an origin to a second relay server serving as a destination, the communication device establishes a connection with the second relay server, switches a transmission destination of a message from the first relay server to the second relay server, and cuts a connection with the first relay server.

Abstract: A damper device includes a first member, a second member, an elastic member and a supporting member. The first member has two wall members separated from each other. The supporting member includes projections (preventing portion) that make contact with one of two wall portions (wall members) so as to prevent the supporting member and an elastic member from being inclined (falling, rotationally moving) in the axial direction.

Abstract: A damper includes a first, second, and third rotation member rotatable around a rotation axis, a first elastic portion interposed between the first rotation member and the second rotation member and elastically deformed by a relative rotation between the first rotation member and the second rotation member, a second elastic portion interposed between the second rotation member and the third rotation member and elastically deformed by a relative rotation between the second rotation member and the third rotation member, and a dynamic vibration absorber. The dynamic vibration absorber includes a rolling element that is positioned at an inner side relative to the first elastic portion and the second elastic portion in a radial direction of the rotation axis, and is rotatable relative to the second rotation member.

Abstract: According to an embodiment, a communication device includes a connection establishment unit, a forwarder, and a generator. The connection establishment unit is configured to receive, from a terminal device, a connection request containing identification information of the terminal device, establish a communication connection with the terminal device, and store the identification information and terminal connection information. The forwarder is configured to receive, from a first terminal device, a message to be transmitted from the first terminal device to a second terminal device, and forward the message to the second terminal device, based on forwarding information containing the terminal connection information corresponding to the identification information of the first terminal device, and the terminal connection information corresponding to the identification information of the second terminal device.

Abstract: A pressure reducing valve includes a valve seat, a valve element configured to contact with or separate from the valve seat to close or open a flow passage, a piston to move the valve element into or out of contact with the valve seat, and a spring urging the piston in a valve opening direction of the valve element. The pressure reducing valve further includes a rattling prevention part for preventing rattling which may occur between the piston and the spring due to unevenness of a polished surface of the spring.

Abstract: A damper apparatus includes a first rotation member, a second rotation member, a first elastic portion interposed between the first and the second rotation members and elastically deformed by a relative rotation between the first and the second rotation members, a third rotation member, a second elastic portion interposed between the second and third rotation members and elastically deformed by a relative rotation between the second and third rotation members, and a dynamic vibration absorber. The dynamic vibration absorber includes an anchor member and a third elastic portion that is interposed between the anchor member and the second rotation member and that is elastically deformed by a relative rotation between the anchor member and the second rotation member. At least the third elastic portion is positioned at an inner side of the first elastic portion and the second elastic portion in a radial direction of the rotation axis.

Abstract: According to one embodiment of the present invention, an access permission device includes a communicator, a state evaluator, an access proxy, and a determiner. The communicator communicates with a target device connected to a network, and a communication device that can use a resource provided by the target device. The state evaluator acquires the communication device information to determine a connection state with the network from at least one of the communication device and the target device, and evaluates the connection state based on the information. The access proxy transmits a use request for the resource provided by the target device to the target device. The determiner determines, based on the connection state, which of the communication device and the access proxy transmits the use request for the resource provided by the target device to the target device.

Abstract: In a fuel injector, a first surface 39 of a valve seat 38 and a second surface 31 of a valve 26 are facing each other. In the first surface or the second surface, a seal member 32 disposed between the valve seat and the valve is provided. One of the first surface and second surfaces includes a protruding portion 31a that protrudes toward the other surface, and the protruding portion contacts a contact portion 39a of the other surface. The surface hardness of the protruding portion 31a disposed on either of the first surface and second surface is lower than that of the contact portion 39a of the other surface.

Abstract: A communication device includes a computer including a processor. The computer controls the communication device to perform operations. The operations include establishing a first connection with a first external device and establishing a second connection with a second external device, via a communication network. The operations include transmitting a keep-alive packet to the first external device via the first connection at a first transmission cycle and receiving a response packet for the keep-alive packet.

Abstract: According to one embodiment, a connection control device includes a request acceptor to accept a connection destination determination request transmitted from a first communication device; and a determiner to determine a server being a connection destination of the first communication device from among a plurality of servers. At least one first server among the servers is scheduled to stop running at a first time point. The determiner determines the connection destination of the first communication device in accordance with a number of communication devices connected to each of the servers, based on history information on connection durations by the first communication device with the servers or history information on connection durations by communication devices with the first server, so that a number of the communication devices connected to the first server before the first time point arrives is suppressed.

Abstract: One embodiment relates to an information processing apparatus which sends data via plural sockets by connection-type communications in response to a data request from a request source apparatus. The information processing apparatus includes: a dividing unit which divides the data into plural divisional data, in terms of a division number of the plural divisional data or a data amount of each divisional data; an allocating unit which allocates the divisional data produced by the dividing unit to the plural sockets; and a providing unit which provides the request source apparatus with the divisional data allocated by the allocating unit and a script via the plural sockets. The script causes the request source apparatus to establish communications to be performed with the information processing apparatus via the plural sockets, collect the divisional data produced by the dividing unit, and combine the collected divisional data together.

Abstract: According to an embodiment, a management apparatus includes a receiver, a first calculator, and a second calculator. The receiver is configured to receive existence information from communication apparatuses, the information probabilistically indicating characteristics of identification information of other communication apparatuses detected by a corresponding communication apparatus. The first calculator is configured to calculate, for each communication apparatus, some of the identification information, as a first set indicating a set of other communication apparatuses detectable by the communication apparatuse. The second calculator is configured to calculate, for each communication apparatus, a second set with a smaller number of false positives than the corresponding first set, as existence probability information, based on the existence information and the first set.

Abstract: In an embodiment, a supporting member includes projections (preventing portion) that make contact with one of two wall portions (wall members) so as to prevent the supporting member and an elastic member from being inclined (falling, rotationally moving) in the axial direction.

Abstract: According to an embodiment, a communication device performs communication with a terminal device via a network and includes first and second connection maintaining units and a switch instructing unit. The first connection maintaining unit maintains a connection established with the terminal device and mediates communication between the terminal device and another terminal device. The second connection maintaining unit maintains a communicable state of the terminal device with the communication device according to a method different from a method implemented by the first connection maintaining unit. When a predetermined switching condition is satisfied, the switch instructing unit instructs the terminal device to switch a method for maintaining a communicable state either from a first method, which is a method implemented by the first connection maintaining unit, to a second method, which is a method implemented by the second connection maintaining unit, or from the second method to the first method.

Abstract: According to one embodiment, a server includes a transmitter, a storage, a determination unit and a controller. The transmitter is configured to transmit data using TCP streams. The storage is configured to store a number of TCP streams which the transmitter used in transmitting the data and a maximum value of a bandwidth which the transmitter used in transmitting the data using the number of TCP streams, in association with each other. The determination unit is configured to determine a number of TCP streams, which the transmitter uses in transmitting new data, based on the stored number, the stored maximum value, and a target value of the bandwidth. The controller is configured to update the stored maximum value when a bandwidth used for transmitting the new data using the determined number is larger than the maximum value associated with the stored number which is identical to the determined number.

Abstract: A damper includes a first rotation member being rotatable around a rotation axis, a second rotation member being rotatable around the rotation axis, a third rotation member being rotatable around the rotation axis, a first elastic portion interposed between the first rotation member and the second rotation member and being elastically deformed by a relative rotation between the first rotation member and the second rotation member, a second elastic portion interposed between the second rotation member and the third rotation member and being elastically deformed by a relative rotation between the second rotation member and the third rotation member, and a dynamic vibration absorber including a rolling element that is positioned at an inner side relative to the first elastic portion and the second elastic portion in a radial direction of the rotation axis, the rolling element being rotatable relative to the second rotation member.

Abstract: A damper apparatus includes a first rotation member, a second rotation member, a first elastic portion interposed between the first and the second rotation members and being elastically deformed by a relative rotation between the first and the second rotation members, a third rotation member, a second elastic portion interposed between the second and third rotation members and being elastically deformed by a relative rotation between the second and third rotation members, and a dynamic vibration absorber including an anchor member and a third elastic portion that is interposed between the anchor member and the second rotation member and that is elastically deformed by a relative rotation between the anchor member and the second rotation member, at least the third elastic portion being positioned at an inner side of the first elastic portion and the second elastic portion in a radial direction of the rotation axis.

Abstract: According to one embodiment, a communication apparatus communicates with a first device including a first data file via a network. The communication apparatus includes an indication unit and a request sending unit. The indication unit indicates a first data sending request to send first data from a first position as a start position of the first data file toward a second position as an end position of the first data file. Furthermore, the indication unit indicates a second data sending request to send second data from the second position toward the first position in the first data file. The request sending unit sends the first data sending request and the second data sending request to the first device.