Abstract: A management apparatus includes: an acquirer configured to acquire a start request and terminal information, the start request being a request for starting control of quality of a communication service, the communication service being provided for a terminal device connected to one or more networks among a plurality of networks managed by one or more carriers; a determiner configured to determine the one or more networks connected to the terminal device from among the plurality of networks based on the terminal information acquired by the acquirer; and a service manager configured to execute control processing to cause a target network to start QoS control, the target network being a target for the QoS control among the one or more networks connected to the terminal device.

Abstract: A switch device includes a plurality of communication ports; a switch unit configured to relay a frame, which has been transmitted from a function unit and to which information including an ID of a VLAN is added, to another function unit via a communication port; and a duplication unit configured to, when the diagnosis device is connected to another switch device, duplicate the frame to be relayed via a designated communication port among the plurality of communication ports, and generate a duplicate frame for diagnosis that is a frame obtained by adding, to a duplicate frame obtained through the duplication, specific information indicating that the duplicate frame for diagnosis should be transmitted to the diagnosis device. The switch unit outputs the duplicate frame for diagnosis generated by the duplication unit from a communication port corresponding to the other switch device.

Abstract: An in-vehicle network system deployed in a vehicle includes a plurality of first nodes configured to perform an operation relevant to a first function in the vehicle, a second node configured to perform an operation relevant to a second function different from the first function in the vehicle; and a relay device configured to relay communication between the first nodes and the second node. The relay device is configured to start relay of communication between the first nodes earlier than the relay of communication between the first node and the second node at a time of startup.

Abstract: The present invention is a bodyshell structure of a railcar, the bodyshell structure including: a side bodyshell including an outside plate portion, an inside plate portion, and a joint portion configured to join the outside plate portion and the inside plate portion; an inside window opening formed on the inside plate portion and provided inside the railcar; and an outside window opening formed on the outside plate portion and having a smaller opening area than the inside window opening, and at least one of the inside window opening and the outside window opening has an oval shape extending in the railcar longitudinal direction or a circular shape.

Abstract: The present invention is a bodyshell structure of a railcar, the bodyshell structure including: a side bodyshell including an outside plate portion, an inside plate portion, and a joint portion configured to join the outside plate portion and the inside plate portion; an inside window opening formed on the inside plate portion and provided inside the railcar; and an outside window opening formed on the outside plate portion and having a smaller opening area than the inside window opening, and at least one of the inside window opening and the outside window opening has an oval shape extending in the railcar longitudinal direction or a circular shape.

Abstract: A gangway construction for vehicles comprises divided hood structures each of which has a first end and second end, the first ends of the respective hood structures being fixed to the vehicles, and the second ends thereof being made free and to face each other, a plurality of hood pressers provided between upper sides of metal frames on a free side of the hood structure and the vehicles and between lower sides thereof and the vehicles for urging the hood structures in their extension direction upon coupling operation, the plurality of hood pressers being arranged in a horizontal plane in convergent relation, and positioning members for guiding and engaging each other upon mutual approach of the members to effect a centering action, the positioning members being provided in the release side metal frames.

Abstract: A vehicle body able to withstand fluctuating external pressure while providing ample space for the passengers, by having a multiplicity of substantially square, first frames each having reinforced portions on two upper corners thereof, provided by rounding inner surfaces of the two upper corners, and a multiplicity of substantially square, second frames having reinforced portions on two lower corners thereof provided by rounding inner surfaces of the two lower corners. They are arranged alternately over the length of the vehicle body, and are connected together by longitudinal structural members. A shell plate is attached to the substantially square frames at their outer surfaces, to provide a substantially square vehicle body.

Abstract: There is provided an emergency exit apparatus disposed on a wall surface of a train car. A hinged door assembly comprises a hinged door portal frame and a hinged door carrying a stair on its inner surface. In one embodiment, the lower edge of the hinged door portal frame is coupled to a wall surface by a horizontal hinge, while the hinged door is coupled to the hinged door portal frame by a vertical hinge. In a second embodiment, the side edge of the portal frame is coupled to a wall surface by a vertical hinge, while the hinged door is coupled to the portal frame by a horizontal hinge. When swung open on the horizontal hinge, the inner surface of the door provides a ramp for emergency exit; when swung open on the vertical hinge, the portal frame including the door provides an opening for normal entrance and exit.