Abstract: An error cause estimation device comprising: a data pre-processing unit that uses data to be processed and generates training data that has an appropriate format for input to a machine learning model; and a model tree generation unit that generates error detection models that are training models for detecting errors and uses the training data as inputs therefor, and generates a model tree that expresses the relationship between error detection models by using a tree structure that has the error detection models as node therefor. Thus, it is possible to generate a training model that detects errors for each of a plurality of types of errors that occur, even when there has been no prior annotation of error causes.

Abstract: An inspection apparatus includes an image distortion estimation unit that estimates a distortion amount between a reference image and an inspection image, an image distortion correction unit that corrects the inspection image and/or the reference image using an estimated distortion amount, and an inspection unit that performs inspection using a corrected inspection image and the reference image or the inspection image and a corrected reference image. The image distortion estimation unit estimates a distortion amount in which only distortion occurring in an entire image can be corrected by adjustment of a correction condition.

Abstract: The disclosure aims to provide a polytetrafluoroethylene fine powder containing less water and less impurities. Provided is a polytetrafluoroethylene fine powder substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.

Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which is a sustainable product and can reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder being substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.

Abstract: A panel connected body includes a plurality of flat panels arranged in a matrix of m rows and n columns, where m?3 and n?3; and a plurality of row-direction connection portions and column-direction connection portions which connect together panels that are adjacent in a row direction and column direction, respectively. A first type row satisfying relationships D1?2L and Dy?Dy?1?2L and a second type row satisfying relationships Dn?2L and Dy?Dy+1+2L are alternately included, where Dy is a length along the column direction of the column-direction connection portions in a y-th column, and L is a thickness of the panels. The relationship E?WC?L is satisfied, where WC is a length along the column direction of the panels and E is a length along the column direction of the row-direction connection portions.

Abstract: Disclosed is an electronic device which comprises: a first housing; a second housing; a support configured to couple the first housing and the second housing such that the first housing is rotatable with respect to the second housing; a spring configured to apply an elastic force to the first housing and the second housing such that one end of the first housing abuts against one end of the second housing; and a connector disposed within the first housing, wherein the first housing, the second housing, the support and the spring function as a clip capable of clamping an object between the one end of the first housing and the one end of the second housing, and wherein the connector is mechanically and electrically attachable to or detachable from a connector of an external energy harvesting module through an opening provided in a side surface of the first housing.

Abstract: The present disclosure aims to provide a power wiring network apparatus capable of constructing a highly portable power wiring network, without the need to maintain infrastructure. A power wiring network apparatus of the present disclosure includes circuit elements each including a first connector, a second connector, and a conductive portion electrically connecting the first connector and the second connector. The circuit elements include energy harvesting elements as circuit elements capable of outputting power generated by energy harvesting and load elements as circuit elements capable of consuming inputted power. The circuit elements are mechanically and electrically attachable via the first connector and second connector. At least some energy harvesting elements and load elements are capable of power line data communication via a power line including the first connector, second connector, and conductive portion.

Abstract: A sealed battery including a battery case that includes a cylindrical exterior can having a bottom and an opening sealing body that closes an opening of the outer can; a gasket that is arranged between the exterior can and the opening sealing body; and an electrode body. The opening sealing body includes: a metal plate with an annular part to which an electrode lead is electrically connected, and a disconnecting part that is separated from the annular part when the inner pressure of the battery case exceeds a predetermined threshold; a valve body that is arranged further to the outside of the battery case than the metal plate; and an insulating plate that is arranged between the metal plate and the valve body. The insulating plate or the gasket is provided with an elastic deformation part that deforms in the direction of the valve body.

Abstract: The present disclosure aims to provide a power wiring network apparatus capable of constructing a highly portable power wiring network, without the need to maintain infrastructure. A power wiring network apparatus includes a wiring member, including first connectors and a conductive portion electrically connecting the first connectors to enable power supply, and circuit elements each including a second connector mechanically and electrically attachable to any first connector. The circuit elements include energy harvesting elements capable of outputting, from the second connector, power generated by energy harvesting and load elements capable of consuming power inputted from the second connector. At least some energy harvesting elements and load elements are capable of power line data communication via a power line including the first connectors and conductive portion.

Abstract: A connection unit includes: a body having peripheral edges; magnets, at least one of which being disposed on each side of the peripheral edges of the body; and electrode terminals, at least three of which being disposed on the each side of the peripheral edges of the body. An outer surface of the body has a curved surface. The electrode terminals are disposed along the curved surface or the surface having the polygonal cross section of the outer surface. The electrode terminals disposed on the peripheral edges of the body have either: one positive electrode terminal and two negative electrode terminals, or one negative electrode terminal and two positive electrode terminals.

Abstract: A solar cell module includes: a solar cell module body and a print layer formed further toward a light-receiving surface side than the solar cell module body by printing with specific transparency in a specific region. A rear surface side is visible from the light-receiving surface side in at least part of the specific region. The specific transparency is set to satisfy a condition that spectral sensitivity integral ratio A defined by formula (1) below is not less than a specific value A* that the spectral sensitivity integral ratio A takes when printing is performed with transparency resulting in a short circuit current ratio of 0.6. ? is wavelength (nm), f(?) is quantum efficiency IPCE (%) in a case in which the print layer is formed, and fSC(?) is quantum efficiency IPCE (%) in a case in which the print layer is not formed.

Abstract: A wound-type battery includes a wound electrode group having a first electrode and a second electrode with polarity opposite to the first electrode, an electrolyte, a battery case, a sealing plate that seals an opening of the battery case, an insulating plate that is disposed between the electrode group and the sealing plate and that has a hole, and a first tab that passes through the hole to electrically connect the first electrode and the sealing plate to each other. At least a part of a region of the first tab that extends through the hole to a sealing plate side is covered with a tab tape on a side facing the insulating plate. The tab tape includes at least a first adhesive layer and a second adhesive layer on a side opposite the first adhesive layer and is in contact with the first tab through the first adhesive layer.

Abstract: A panel connected body includes a plurality of flat panels arranged in a matrix of m rows and n columns, where m?3 and n?3; and a plurality of row-direction connection portions and column-direction connection portions which connect together panels that are adjacent in a row direction and column direction, respectively. A first type row satisfying relationships D1?2L and Dy?Dy?1?2L and a second type row satisfying relationships Dn?2L and Dy?Dy+1+2L are alternately included, where Dy is a length along the column direction of the column-direction connection portions in a y-th column, and L is a thickness of the panels. The relationship E?WC?L is satisfied, where WC is a length along the column direction of the panels and E is a length along the column direction of the row-direction connection portions.

Abstract: A sealed battery, which is an exemplary embodiment, comprises a battery case including a bottomed cylindrical outer can and a sealing body that closes an opening of the outer can, a gasket disposed between the outer can and the sealing body, and an electrode body including an electrode and housed in the battery case. The sealing body includes a metal plate, and the metal plate has a thin portion formed in an annular shape, a valve portion having a convex shape inside the battery case, and an annular portion to which the electrode lead is connected. The gasket is provided with an elastically deformable portion that abuts against the inner surface of the valve portion and urges the valve portion to the outside of the battery case.

Abstract: A battery according to an aspect of the present disclosure includes: a positive electrode, a negative electrode, a positive electrode tab electrically connected to the positive electrode; a negative electrode tab electrically connected to the negative electrode; a positive electrode tab tape covering the positive electrode tab: and a negative electrode tab tape covering the negative electrode tab. In the battery described above, at least one tab tape of the positive electrode tab tape and the negative electrode tab tape has a multilayer structure in which an adhesive layer and a substrate layer primarily formed from an organic material are laminated in this order from an electrode tab side, and the adhesive layer contains an adhesive material and a reactive material which generates an endothermic reaction at a temperature lower than a heat resistance temperature of the organic material.

Abstract: A metal case has a cylindrical body section, an opening section at one end of the body section, the opening section having an opening, and a bottom section closing the other end of the body section. At least one of the body section and the opening section has a protrusion sticking outward in the direction of the radius of the body section.

Abstract: Disclosed is a power wiring device which comprises: at least one elongated wiring member which includes a plurality of first connectors and allows the first connectors to be mutually electrically conducted; and a plurality of circuit modules each including a second connector which is mechanically and electrically attachable to and detachable from any of the first connectors, wherein the plurality of circuit modules include: at least one energy harvesting module as a circuit module capable of outputting power generated by energy harvesting from the second connector; and at least one load module as a circuit module capable of consuming power input from the second connector.

Abstract: The power generation module group 1 includes a sheet 10 and power generation panels 21 to 24. First lines L1 and L1? are present between the panels 21 and 22 adjacent to each other in the lateral direction, the first lines crossing neither the panels 21 nor 22 and coming in contact with both the panels 21 and 22. The second line L2 is present on the bottom side of the panel 21 and on the bottom side of the panel 22, crosses neither the panels 21 nor 22 and is parallel in the lateral direction. An angle ?1 that is the largest angle on the panel 22 side of angles formed by the second line L2 and the first lines L1 and L1? is an acute angle. The panels 23 and 24 are disposed in line symmetry with the panels 21 and 22, respectively, with respect to the lateral direction.

Abstract: An energy harvester, wherein it comprises: a flat plate-like energy harvesting part having a power generation region which generates electric power by utilizing an energy in the external environment and an internal wiring to which the electric power thus generated is supplied; a connector part connectable to an external device; a diode of which anode is electrically connected with the internal wiring; and a flexible wiring sub state on which the diode and a connection part for electrically connecting a cathode of the diode to the connector part are provided, wherein the internal wiring extends from the power generation region to a side edge portion of the energy harvesting part, and at least a portion of the flexible wiring substrate is provided in the side edge portion so as to overlap a portion of the internal wiring.

Abstract: A battery can has a cylindrical body section, an opening section at one end of the body section, and a bottom section closing the other end of the body section. An annularly grooved portion is formed by constriction near the open end of the opening section. The annularly grooved portion has an upper-groove section as the section closer to the open end than the narrowest section, which is positioned farthest inside, of the grooved portion, and also has a lower-groove section as the section closer to the bottom section than the narrowest section. The wall thickness T1 of the lower-groove section is larger than the wall thickness T2 of the body section.