Abstract: A system using blockchain technology includes a plurality of nodes forming a network having a hierarchical structure and each managing a ledger. Each of the plurality of nodes is located, based on a performance of a corresponding one of the plurality of nodes, in a layer corresponding to the performance among a plurality of layers in the hierarchical structure.

Abstract: A piezoelectric element includes a substrate, a lower electrode arranged on the substrate, a piezoelectric film arranged on the lower electrode, and an upper electrode arranged on the piezoelectric film. Membrane portions are configured by the lower electrode, the piezoelectric film, and the upper electrode, and supported in a cantilever manner on the substrate, due to a recess formed in the substrate and a through hole penetrating the lower electrode, the piezoelectric film, and the upper electrode. At least two of the membrane portions have resonance frequencies different from each other.

Abstract: A flexible printed circuit board including an electronic component includes a flexible printed circuit board, an electronic component, a cover, and a restricting portion. The printed circuit board including an electrically conductive line. The electronic component is mounted on the flexible printed circuit board and joined to the electrically conductive line. The cover covers a joint between the electronic component and the electrically conductive line. The restricting portion is along an outer edge of the cover. The flexible printed circuit board includes a groove along the outer edge of the cover. The groove is defined by opposed groove side surfaces. One of the opposed groove side surfaces farther from the electronic component is defined as the restricting portion.

Abstract: A connection module includes a FPC and bus bars connected to the FPC and connecting the electrode terminals of power storage elements that are adjacent to each other. The FPC includes a first wiring portion, a second bus bar mount portion, and a third bus bar mount portion to which the bus bars are connected. The FPC further includes a second expandable/contractable portion and a third expandable/contractable portion. The second expandable/contractable portion is continuous from the second bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the first wiring portion and the third bus bar mount portion. The third expandable/contractable portion is continuous from the third bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the second bus bar mount portion.

Abstract: Provided is a terminal-equipped flexible circuit board provided with a flexible circuit board that is flexible and a plurality of terminals. The flexible circuit board extends in a longitudinal direction, the flexible circuit board includes a plurality of conductive paths, the plurality of terminals each include a conductive path connection portion that is connected to a conductive path and a terminal connection portion that extends in an extending direction from the conductive path connection portion and is connected to a partner terminal, the plurality of terminals are arranged on the flexible circuit board in a state in which the longitudinal direction of the flexible circuit board intersects the extending direction of the plurality of terminals, and the plurality of terminals are arranged in a plurality of levels in a state in which the flexible circuit board is folded.

Abstract: A flexible printed circuit board including a terminal includes a flexible printed circuit board that includes an electrically conductive line and the terminal soldered to the flexible printed circuit board. The flexible printed circuit board includes a land and a soldering restricting section. The land is electrically connected to the electrically conductive line and has a metal surface and is soldered to the terminal. The soldering restricting section has a non-metal surface and is not soldered to the terminal. The terminal includes an overlapping section and a protrusion section. The overlapping section overlaps the land and is soldered to the land and includes a removed section that is formed in such a manner that a portion is partially removed in a predefined area. The protruding section is continuous from the overlapping section and protrudes to an area that does not overlap the flexible printed circuit board.

Abstract: A control device for a hybrid vehicle determines whether an EGR valve has an opening failure, and performs a pre-operation in which the engine is operated at a load smaller than a load in a series mode for a certain period of time while the vehicle is driven by a motor immediately before switching from an EV mode to the series mode. The pre-operation has a normal pre-mode in which the engine is operated at a first load when it is determined that the EGR valve does not have an opening failure, and a small failure pre-mode and a large failure pre-mode in which the engine is operated at a second load larger than the first load when it is determined that the EGR valve has the opening failure.

Abstract: A flexible printed circuit board includes an electrically conductive line and a land that is connected to the electrically conductive line and to be connected to a terminal. The land includes soldering portions that have metal surfaces and to which the terminal is to be soldered. A dividing section is between the soldering portions and the dividing section has a non-metal surface and defines each of the soldering portions that are adjacent to each other.

Abstract: A center device that manages data to be written in an electronic control device and performs, by an application program, functions to transmit update data to a vehicle by wireless communication is provided. An application program implementing at least one of the functions adopts a serverless architecture. The application program is activated upon occurrence of an event and is dynamically allocated with a resource in an on-demand manner for execution of a code of the application program. The resource is released when the execution of the code is terminated. The center device is configured to receive vehicle configuration information and determine whether there is campaign information; generate campaign notification information; manage a generation state of the campaign notification information; and distribute the campaign notification information.

Abstract: An insulated wire includes an assembled conductor obtained by assembling or twisting a plurality of strands; an insulating layer coating an outer periphery of the assembled conductor; and a filler region that fills a space between the strands and a space between the strands and the insulating layer and includes a thermoplastic resin.

Abstract: A flexible printed circuit includes a plurality of conductive paths to which connection protruding portions of connection protruding pieces protruding from conductive members to be connected to electrode terminals of power storage elements are to be connected. The flexible printed circuit includes a plurality of inlet openings that are larger in size than the external shapes of the connection protruding portions and into which the connection protruding portions can be inserted with a gap being formed around each protruding portion, and a plurality of entrance openings that are provided corresponding to the inlet openings, have a configuration in which the protruding portions can be moved thereinto from the inlet openings, and extend in the form narrower than the inlet openings. Each of the conductive paths includes a land that is located at an edge portion of the entrance opening and to which the connection protruding portion is to be connected.

Abstract: A connection module includes an FPC and a plurality of bus bars. The plurality of bus bars constitute a first bus bar row disposed along one long side of the FPC, and a second bus bar row disposed along the other long side of the FPC. The FPC includes tolerance absorbing portions each including a slit and a pair of deflection portions disposed with the slit interposed therebetween, and is divided into a plurality of wiring portion by the tolerance absorbing portions. The pair of deflection portions constituting the first tolerance absorbing portion can be deflected in a direction in which the two wiring portions that are adjacent to each other with the first tolerance absorbing portion interposed therebetween move toward and away from each other. The same description also applies to the second tolerance absorbing portion.

Abstract: A connection module includes multiple bus bars for connecting electrode terminals of adjacent power storage elements, and a holding member that holds the multiple bus bars. The holding member includes multiple holding units that respectively hold the multiple bus bars and are arranged side by side in one line, and the holding units include shielding walls. The shielding wall included on one first holding unit is provided in a standing manner along only the short side of the bus bar held in the first holding unit, the short side opposing another adjacent first holding unit or second holding unit.

Abstract: A protector to be attached to a group of power storage elements that include electrode terminals includes a body portion and cover portions. The body portion includes openings that open in different directions and have opening edges. The cover portions extend from the opening edges of the openings and cover at least portions of the openings. Each of the cover portions includes a base portion, strip portions, and slits. The base portion is connected to the body portion via a hinge portion to be rotatable with respect to the body portion. The strip portions extend from the base portion and are elastically deformable to open a portion of a corresponding one of the openings. The slits are between the strip portions.

Abstract: A sensor unit includes: a conductive path structure; a sensor element; a lower housing including a sensor element accommodation part; a coil spring; and an upper housing. The lower housing includes a support portion, and the upper housing includes a positioning protrusion that protrudes in the shape of a tapered tube toward the lower housing, and is inserted into another end of the coil spring in the axial direction. The lower housing is displaceable toward the positioning protrusion, the coil spring includes an engagement projection that projects to the inner circumferential side thereof so as to be deflectable and deformable. The positioning protrusion has a receiving recess, and the engagement projection is received and locked in the receiving recess, so that the coil spring is held by the upper housing.

Abstract: In a circuit provided with a phase comparator, a lock time is shortened. The phase comparator compares between a phase of a reference clock signal that has been input and a phase of a feedback clock signal, and outputs a comparison result. A charge pump generates a control voltage for control of a frequency of the feedback clock signal on the basis of the comparison result. A feedback unit generates the feedback clock signal in response to the control voltage. A stop detection unit detects whether or not the reference clock signal is stopped, and initializes the comparison result in a case where the reference clock signal is stopped.

Abstract: A coupling structure in a wiring board including a printed wiring board and a flexible printed wiring board overlaid on the printed wiring board. The printed wiring board includes a first conductive line on a surface adjacent to the flexible printed wiring board. The flexible printed wiring board includes a second conductive line on a surface on an opposite side from the printed wiring board. The flexible printed wiring board includes a conduction-purpose through hole adjacent to the second conductive line and in which a section of the first conductive line is disposed. The first conductive line of the printed wiring board and the second conductive line of the flexible wiring board are electrically connected to each other with a conductive member disposed in the conduction-purpose through hole. The conductive member is covered with a resin having an insulating property.

Abstract: A wiring module includes a flexible substrate, a sensor component (temperature sensor), a connecting member (bus bar), and a holding part-equipped relay member, wherein the holding part-equipped relay member includes: a relay member main body including a base part (first main plate) that is to be fixed to the flexible substrate and the bus bar, and a holding part (first holding piece) that is continuous with the first main plate; a pedestal part (housing) that is to be held by the first holding piece so as to be displaceable in a direction toward or away from the first main plate, and that is to be fixed to a position of the flexible substrate where the temperature sensor is mounted; and a biasing member that has elastic force, that has one end held by the first main plate, and that biases the housing in the direction away from the first main plate.

Abstract: An energy storage module includes a plurality of cells, a first end plate, a second end plate, and a busbar module. The busbar module includes a plurality of busbars and a busbar case that holds the busbars. The busbar case includes a first end case, a second end case, and a connection portion. The first end case engages with the first end plate. The second end case is located to be separate from the first end case in the first direction, and engages with the second end plate. The connection portion connects the first end case and the second end case to each other. The connection portion includes a first expandable portion that is expandable in the first direction.

Abstract: An acquisition condition is decided for a second image of improved quality. Values xi resulting from down sampling brightness values of an input first image are accepted by an input layer. A filter is scanned and a convolutional computation performed in a convolutional layer. Outputs z1 to z4 of the convolutional layer and a first image acquisition condition v=(v1, v2, v3, v4) of the first image are accepted by an output layer and a second acquisition condition y is computed by the output layer.