Abstract: A memory system includes a non-volatile memory, a data buffer in which data read out from the nonvolatile memory are stored prior to transmission to an initiator that is requesting the data, a port through which the initiator sends a request for the data and through which the data in the data buffer are transmitted to the initiator. When the port is connected to a first initiator at a time both first data requested by the first initiator and second data requested by a second initiator are stored in the data buffer and the second data become ready for transmission prior to the first data, the second data are transmitted through the port prior to the first data.

Abstract: A storage device includes a shutter having a vertically divided dome shape formed by cutting a one-end-closed cylindrical shape at two planes, the one-end-closed cylindrical shape being formed by closing an upper end of a cylindrical portion whose axis line is along an up-down direction, an arc-shaped lower portion reinforcing member which has a higher rigidity than the cylindrical portion, a housing, which includes an opening portion, the opening portion being opened and closed by the shutter rotating around the axis line, a bearing portion provided in the housing, which suspends and supports the ceiling surface portion, a lower end support portion, which supports a lower surface of the lower portion reinforcing member at a plurality of locations; and an inner side support portion, which supports an inner peripheral surface of the lower portion reinforcing member at a plurality of locations.

Abstract: A storage device includes a storage body, which includes a bottom surface, wall surfaces surrounding a storage space, a front opening portion and an upper opening portion such that a package body is enabled to be inserted into the storage space from a plurality of directions, a front guide, which is provided on the bottom surface in proximity to the front opening portion, and includes an inclined surface descending toward a surface on a back side of the storage space among the wall surfaces, and a rear guide, which is provided on the surface on the back side in proximity to the upper opening portion, and restricts upward movement of the package body stored in the storage space along the surface on the back side.

Abstract: A loaded body housing device includes: an upper table which rotates about a rotation axis extending along the Z-axis and supports a plurality of batteries in a plurality of storage spaces around the rotation axis; a lower table which rotates about a rotation axis extending along the Z-axis and supports a plurality of batteries in a plurality of storage spaces around the rotation axis; and a casing having openings each of which exposes one storage space when viewed in the negative direction of the Z-axis. The upper table is positioned to have overlapping between a part of the plurality of storage spaces and the plurality of storage spaces and no overlapping between the plurality of storage spaces and a storage space when viewed in the negative direction of the Z-axis. A direction in which the rotation axes are arranged intersects with a direction in which the storage spaces are arranged.

Abstract: A power conversion system includes a first power converter and a second power converter which are capable of converting an alternating-current power into a direct-current power or converting a DC power into an AC power. The first power converter is interconnectable to a first AC system via a first AC circuit breaker. The second power converter is interconnectable to a second AC system via a second AC circuit breaker. A first DC terminal of the first power converter and a second DC terminal of the second power converter are connectable. The first power converter begins operation prior to the second power converter. A first control device controls a voltage of the first DC terminal, based on a status of the second power converter sent from a second control device.

Abstract: In order to achieve the object, a communication management system includes: a surveying instrument including a survey unit, a system timer, a control unit, and a communication unit; a management server capable of communicating with the surveying instrument; and a remote terminal capable of communicating with the management server, wherein the remote terminal sets a usable time of the surveying instrument, sets determination on an operating time of the surveying instrument and the usable time, and an operation responding to results of the determination, and makes the management server store these, the surveying instrument transmits an operation start time and an operation end time to the management server, and the management server acquires the operation start time and the operation end time, and compares the usable time and an operating time of the surveying instrument and executes the determination, and executes the operation based on results of the determination.

Abstract: A wall surface suction-type travel device is configured to travel on a wall surface while being suctioned on the wall surface. An intermediate chamber communicates with decompression chambers facing the wall surface. A suction device sucks in air from the intermediate chamber to decompress the intermediate chamber. Principal communicating parts allow the decompression chambers to communicate with the intermediate chamber. Secondary communicating parts allow the respective decompression chambers to communicate with the intermediate chamber. Valves face openings of the respective principal communicating parts. An area of an opening of each of the secondary communicating parts is smaller than an area of the opening of a corresponding one of the principal communicating parts.

Abstract: Provided is a communication management system for a surveying instrument. The system includes: a surveying instrument including a survey unit configured to survey a target, a control unit configured to control the survey unit, and a communication unit connected to a communication network; a management server capable of communicating with the surveying instrument; and a remote terminal capable of communicating with the management server, wherein the remote terminal makes maintenance settings for the surveying instrument and cancels the maintenance settings, and stores the maintenance settings and cancellation of the settings in the management server, the management server gives a notification to at least one of a user and an administrator that the surveying instrument is in a state requiring predetermined maintenance work according to the maintenance settings, and when the maintenance settings are canceled, stops the notification.

Abstract: A device includes a connector including first and second portions, each being configured to establish an independent data connection with a portion of first and second connectors in an external device, and a controller. When the first portion is connected with a third portion of the first external connector, and a request to connect with the second portion is received from the second external connector, the controller determines whether or not to accept the request, and transmit an acceptance signal or a rejection signal to the second external connector through the second portion, according to the determination result.

Abstract: In order to achieve the object described above, a communication management system includes: a surveying instrument including a survey unit , a GPS device, a control unit, and a communication unit ; a management server capable of communicating with the surveying instrument; and a remote terminal capable of communicating with the management server, wherein the remote terminal sets a usable range of the surveying instrument, and sets determination on entrance and exit of the surveying instrument into and from the usable range, and an operation responsive to results of the determination, and makes the management server store these, the surveying instrument transmits own GPS information to the management server, and the management server compares entrance and exit of the surveying instrument into and from the usable range with the GPS information and executes the determination, and executes the operation based on results of the determination.

Abstract: A remote operation system of a surveying instrument includes a surveying instrument including a survey unit, a control unit, a management server capable of communicating with the surveying instrument through the communication network, a remote terminal configured to command the management server to add a function of the surveying instrument through the communication network, and a billing system connected to the communication network, wherein the remote terminal commands the management server MS to consume a quantity of virtual currency corresponding to addition of the function, the management server adds the function of the surveying instrument when the quantity of virtual currency corresponding to addition of the function is consumed based on the command from the remote terminal, and the billing system executes a billing process based on billing data corresponding to the quantity of virtual currency.

Abstract: A wall surface suction travel device includes a first travel unit, a second travel unit, a joint mechanism, and an elastic mechanism. The travel units are aligned along a travel direction and are each configured to travel on a wall surface while being suctioned on the wall surface. The joint mechanism couples the travel units together such that the travel units can pivot relative to each other on a pivot axis extending in a direction that is perpendicular to both a wall surface facing direction and the travel direction. The elastic mechanism includes a first end fixed to the first travel unit, a second end fixed to the second travel unit, and an elastic member configured to be elastically deformed when one of the travel units pivots relative to the other travel unit and a distance between the first end and the second end is shortened.

Abstract: An object is to provide a surveying instrument and system to manage instrument setting and usage data for each personal user. The surveying instrument includes a personal authentication sensor, a control unit, and a storage unit. A personal information registration unit of the control unit acquires personal authentication information from the sensor and stores the personal authentication information in a personal identification information database of the storage unit in association with user information. A personal authentication execution unit of the control unit identifies a user based on whether authentication data acquired by the sensor matches personal authentication information stored in the personal identification information database. A personal setting application unit of the control unit refers to a personal setting information database in the storage unit, and when finding instrument setting saved by the authenticated user, applies the instrument setting and starts the surveying instrument.

Abstract: In order to achieve the object, a communication management system includes: a surveying instrument including a survey unit, a system timer, a control unit, and a communication unit; a management server capable of communicating with the surveying instrument; and a remote terminal capable of communicating with the management server, wherein the remote terminal sets a usable time of the surveying instrument, sets determination on an operating time of the surveying instrument and the usable time, and an operation responding to results of the determination, and makes the management server store these, the surveying instrument transmits an operation start time and an operation end time to the management server, and the management server acquires the operation start time and the operation end time, and compares the usable time and an operating time of the surveying instrument and executes the determination, and executes the operation based on results of the determination.

Abstract: A wall surface suction-type travel device includes a main body, a cushion, a plurality of support wheels, a crawler, and a drive source. The main body includes a wall-surface facing section and a draw-in port. The cushion is disposed on the wall-surface facing section of the main body and surrounding an edge of the draw-in port. The cushion is elastically deformable and has a slide surface sliding on the wall surface when the wall surface suction-type travel device travels on the wall surface. The plurality of support wheels are disposed on the main body. The crawler is an endless belt suspended on the plurality of the support wheels. The crawler has a grip surface put into contact with the wall surface when the wall surface suction-type travel device travels on the wall surface. The drive source is to rotate the crawler.

Abstract: A DC power transmission system interconnects a plurality of AC systems via a DC line. A plurality of power conversion devices are connected between the plurality of AC systems and the DC line. One of the plurality of power conversion devices controls the voltage on the DC line, while the remaining power conversion device controls a current input and output to and from the DC line. In a restart which resumes power conversion from a stopped state for controlling a DC current on the DC line, the power conversion device performing current control monitors the voltage on the DC line and starts a restart operation without transmitting or receiving information to or from the other power conversion device.

Abstract: A cable holding device for holding a cable, includes a first member, a second member and a fixing member. The first member has a first through hole through which the cable is to pass. The second member has a second through hole through which the cable is to pass. The fixing member fixes the second member to the first member in such a condition that the second through hole partially overlaps the first through hole to hold the cable by an inner periphery of the first through hole and an inner periphery of the second through hole.

Abstract: When short-circuit between DC lines is detected, a control device of a power conversion device performs protection control to turn off semiconductor switching elements in a power converter, and when elimination of the short-circuit between the DC lines is detected, the control device performs restart control of the power converter by giving a voltage command value for causing negative-polarity current in flowing through a diode in an upper arm of a second series body of a second converter cell to flow to a phase arm 4, to each converter cell in first and second arms.

Abstract: A wall surface suction-type travel device is configured to travel on a wall surface while being suctioned on the wall surface. An intermediate chamber communicates with decompression chambers facing the wall surface. A suction device sucks in air from the intermediate chamber to decompress the intermediate chamber. Principal communicating parts allow the decompression chambers to communicate with the intermediate chamber. Secondary communicating parts allow the respective decompression chambers to communicate with the intermediate chamber. Valves face openings of the respective principal communicating parts. An area of an opening of each of the secondary communicating parts is smaller than an area of the opening of a corresponding one of the principal communicating parts.

Abstract: A safety device for a wall surface suction-type travel device that is configured to travel on a wall surface while being suctioned on the wall surface includes an extending member, a support base, and a safety rope. The extending member is configured to be disposed on the wall surface and bendable by self weight. The support base supports the extending member so as to allow the extending member to move in a direction along which the extending member extends. The safety rope connects the extending member with the wall surface suction-type travel device.