Abstract: A power supply device includes: a plurality of secondary battery cells; a pair of end plates disposed on end surfaces of a battery stack obtained by connecting the plurality of secondary battery cells to sandwich the battery stack; and a fastening member for fixing the end plates to each other. The end plate includes a first band body protruding from a main surface of the end plate on an upper end side of the end plate and second a band body protruding from the main surface of the end plate in a middle of the end plate. A space is formed in the second band body between the second band body and the main surface of the end plate.

Abstract: A battery pack includes an outer case and one or more battery cells housed inside the outer case. Each battery cell includes a safety valve. A drain hole is provided in a part of the outer case. The drain hole communicates with the inside of the outer case. A tubular body extends from the drain hole to the inside of the outer case. The tubular body has one opening end as the drain hole and another opening end as an internal communication port opening to the inside of the outer case. A wall portion is provided apart from the internal communication port in an extending direction with respect to the internal communication port. The extending direction is directed toward the internal communication port from the drain hole.

Abstract: An optical device includes: a case; a wiring substrate that passes through the case and that includes an insulating member and a conductor; at least one of components including a first component configured to perform at least one of: outputting a light; receiving a light; and varying optical properties, and a second component configured to electrically control the first component, the at least one of components being housed in the case and flip-chip mounted on the wiring substrate.

Abstract: A method for manufacturing Group-III nitride semiconductor nanoparticles includes synthesizing Group-III nitride semiconductor nanoparticles having a particle size of 16 nm or less by reacting materials containing one or more Group-III elements M in a liquid phase, wherein a coordination solvent is used, and trimethyl M is used as at least one Group-III element material among the materials containing one or more Group-III elements M.

Abstract: A positive electrode terminal is inserted into a current-collector through hole formed in a positive electrode current collector and riveted in a spot-faced hole formed in the positive electrode current collector. A protrusion is formed on a bottom surface of the spot-faced hole so as to extend around the current-collector through hole, and a riveted portion of the positive electrode terminal covers the protrusion. The riveted portion of the positive electrode terminal is weld-connected to an edge of the spot-faced hole.

Abstract: The present disclosure discloses a composite crossarm and a power transmission tower. The composite crossarm includes a post insulator and three suspension insulators. The post insulator and the suspension insulators each has an end configured to be connected to a tower body of the power transmission tower, and another end connected together to form an end of the composite crossarm that is configured to attach a transmission line. The three suspension insulators are arranged at intervals around the post insulator. Axes of two suspension insulators and an axis of the post insulator are in the same plane. The two suspension insulators whose axes are in the same plane as the axis of the post insulator are defined as first suspension insulators, the remaining suspension insulator is defined as a second suspension insulator. The two first suspension insulators form an angle ranged from 45° to 90°.

Abstract: An optical fiber includes: a core portion made of glass; a side core layer made of glass and enclosing the core portion; a cladding portion made of glass and enclosing the side core layer; and a coating layer including a primary layer made of resin and enclosing the cladding portion, and a secondary layer made of resin and enclosing the primary layer. The relationships ?1>?Clad>?2 and 0>?2 are satisfied where ?1 represents relative refractive-index difference of average maximum refractive index of the core portion with respect to average refractive index of the cladding portion, ?2 represents relative refractive-index difference of average refractive index of the side core layer with respect to average refractive index of the cladding portion, and ?Clad represents relative refractive-index difference of average refractive index of the cladding portion with respect to refractive index of pure silica glass.

Abstract: The present disclosure provides a frequency deviation estimation device for estimating a frequency deviation upon receiving a digitally modulated non-repetitive signal. The frequency deviation estimation device is equipped with an instantaneous frequency measurement module, a minimum frequency detection module, and a frequency deviation calculation module. The instantaneous frequency measurement module measures the instantaneous frequency of the received communication signal. The minimum frequency detection module detects the minimum frequency of the instantaneous frequency. The frequency deviation calculation module calculates the frequency deviation between the received communication signal and the reference signal for coarse adjustment using the reference minimum frequency and the minimum frequency when the frequency deviation is zero Hertz.

Abstract: Provided is a secondary battery in which corrosion of an exterior body is stably suppressed. A non-aqueous electrolyte secondary battery according to an embodiment of the present disclosure comprises: an exterior body having a bottomed cylindrical shape and having a grooving portion in an opening portion; an electrode body and a non-aqueous electrolyte housed in the exterior body; and a sealing body caulked and fixed between the grooving portion and an opening end in the opening, wherein in a portion from the grooving portion of the inner surface of the exterior body to the open end portion, a powder of at least one among compounds selected from the group consisting of hydroxides, oxides, and carbonates is present.

Abstract: The circuit breaker control module of the present disclosure comprises: a plurality of semiconductor switching units for blocking current flows of transmission distribution lines or performing switching operations so as to switch the current flow directions; a control unit for controlling the turn-on/turn-off operation of each semiconductor switching unit by transmitting a trip signal to each of the plurality of semiconductor switching units; and a plurality of insulation type signal transmission element units which are provided between the plurality of semiconductor switching units and the control unit such that the semiconductor switching units and the control unit are insulated, and which transmit the trip signal from the control unit to each of the plurality of semiconductor switching units, and thus the presently disclosed circuit breaker control module can reduce the risk of accidents due to an electrical arc and increase the stability and reliability of the control unit.

Abstract: Provided is a semiconductor device having transistor and diode sections. The semiconductor device comprises: a gate metal layer provided above the upper surface of a semiconductor substrate; an emitter electrode provided above the upper surface of the semiconductor substrate; a first conductivity-type emitter region provided on the semiconductor substrate upper surface side in the transistor section; a gate trench section, which is provided on the semiconductor substrate upper surface side in the transistor section, is electrically connected to the gate metal layer, and is in contact with the emitter region; an emitter trench section, which is provided on the semiconductor substrate upper surface side in the diode section, and is electrically connected to the emitter electrode; and a dummy trench section, which is provided on the semiconductor substrate upper surface side, is electrically connected to the gate metal layer, and is not in contact with the emitter region.

Abstract: A semiconductor device is provided, including: a semiconductor substrate; a first-conductivity-type drift region provided in the semiconductor substrate; a trench portion provided from an upper surface of the semiconductor substrate to an inside of the semiconductor substrate, and extending in a predetermined extending direction in a plane of the upper surface of the semiconductor substrate; a mesa portion provided in contact with the trench portion in an array direction orthogonal to the extending direction; a second-conductivity-type base region provided in the mesa portion above the drift region and in contact with the trench portion; and a second-conductivity-type floating region provided in the mesa portion below the base region, in contact with the trench portion, and provided in at least a part of the mesa portion in the array direction.

Abstract: A current transformer according to the present invention may comprise a magnetic core, a secondary coil, and a magnetic flux compensation member. A main circuit of an air circuit breaker penetrates the magnetic core. In addition, the secondary coil is arranged to be adjacent to the magnetic core, and a secondary current is induced through a current flowing in the main circuit. In addition, the secondary coil supplies the induced secondary current to a relay. The magnetic flux compensation member may be coupled to the magnetic core so as to correct magnetic flux of the secondary coil.

Abstract: A composite cable includes a sheath surrounding an outer surface of a core at least including a plurality of thick electric wires each having a resin layer on an outer circumference of a conductor, and a plurality of thin electric wires each having a resin layer on an outer circumference of a conductor, in which the sheath includes a resin composition including base resin containing at least one type of ethylene rubber and styrene elastomer at 10 to 50 mass %.

Abstract: A decorative lighting assembly comprises a first power wire electrically connected to a first power contact and a second power wire electrically connected to a second power contact. The first power wire and the second power wire cooperate to surround a display area of the decorative lighting assembly. Lamp assemblies are distributed across the display area. The lamp assemblies include a first row of lamp assemblies aligned along a first line, a second row aligned along a second line, a third row aligned along a third line, and a fourth row of lamp aligned along a fourth line. A first cord is disposed along a first zig-zag path connecting the lamp assemblies in the first row with the lamp assemblies in the second row. Intermediate wires are disposed along a second zig-zag path connecting the lamp assemblies in the second row with the lamp assemblies in the third row.

Abstract: A lighting structure, including: a first conductor having a first insulated portion, a second insulation portion and a first conductor portion therebetween, the first conductor portion being bent so as to form a first horizontal portion and two first vertical portions; a second conductor having a first insulated portion, a second insulation portion and a second conductor portion therebetween, the second conductor portion being bent so as to form a first horizontal portion and two first vertical portions; an LED assembly connected to the first horizontal portions of the first and second conductors; a transparent adhesive covering the LED assembly and the first conductor portions of the first and second conductors; and a light-transmitting cap covering the LED assembly and the first horizontal portions of the first and second conductors.

Abstract: An augmented reality based tidal current display device for superimposing tidal current information on an image displayed on a display screen includes an image information terminal configured to receive the image captured by an image sensor, and output image data for displaying on the display screen; an image sensor information terminal configured to receive and store image sensor information of the image sensor; a tidal current information terminal configured to receive and store tidal current information of the water surface; and processing circuitry configured to: select tidal currents, calculate a corresponding display position and direction of each selected tidal current on the display screen based on the tidal current information and the image sensor information, generate a symbol to indicate the corresponding display position and direction on the display screen, and superimpose the symbol at a respective display position to the corresponding display position on the image.

Abstract: Provided is a semiconductor device, comprising: a semiconductor substrate; a transistor portion including an emitter region on the top of the semiconductor substrate; a diode portion including a cathode region on the bottom of the semiconductor substrate and a second conductivity type overlap region in a region other than the cathode region and arranged alongside to the transistor portion a preset arrangement direction on the top of the semiconductor substrate; and an interlayer dielectric film provided between the semiconductor substrate and an emitter electrode and including a contact hole for connecting the emitter electrode and the diode portion. The overlap region is provided to have a first length between the end of the emitter region and the end of the cathode region and a second length, which is shorter than the first length, between the end of the contact hole and the end of the cathode region.

Abstract: An electronic device comprises a housing, an electronic unit attached to the housing, a fixing section provided to the housing and including a first hook that holds the electronic unit relative to the housing, and movement restricting section arranged relative to the first hook to restrict movement of the first hook.

Abstract: A waterproof air pump, an inflatable product, and a production method and a utilizing method for the inflatable product are provided. The waterproof air pump includes a waterproof shell and an air pump body removably connected in the waterproof shell. The waterproof shell includes a lower shell and a waterproof upper cover. The lower shell and the waterproof upper cover are removably connected in a relative sealing. The air pump body and the lower shell are removably connected. An air outlet of the air pump body communicates with an air outlet of the lower shell. The outer wall of the lower shell is sealingly connected to the inflatable product. The air outlet of the lower shell is located in the inner cavity of the inflatable product, and the waterproof upper cover is exposed outside the inflatable product.