Abstract: A power supply device 10 configured to supply power to a seat S that is movable relative to a floor F of a vehicle includes a power receiving unit 20 that includes a power receiving coil 24 and configured to move along with the seat S, a power transmitting unit 30 that includes a power transmitting coil 34 disposed opposing the power receiving coil 24 and configured to supply power to the power receiving coil 24 in a contactless manner and a power transmitting extension portion 35 extending from the power transmitting coil 34, the power transmitting unit 30 being configured to move along with the seat S and the power receiving unit 20, and a slack absorption portion 40 that includes a winding portion 45 configured to wind and feed the power transmitting extension portion 35 by rotating in coordination with the movement of the seat S.

Abstract: A gate drive circuit includes: an input terminal; a first circuit path inserted into a line connecting the input terminal and a gate of a power transistor; a second circuit path connected in parallel to the first circuit path; and a third circuit path connected in parallel to the second circuit path. The first circuit path includes a gate resistor (Rgon). The second circuit path includes a first capacitor and a first resistor connected in series. The third circuit path includes a second capacitor and a second resistor connected in series. The second capacitor has a capacitance value greater than a capacitance value of the first capacitor. The second resistor has a resistance value greater than a resistance value of the first resistor. The gate resistor (Rgon) has a resistance value greater than the resistance value of the second resistor.

Abstract: A wiring member includes at least one wire-like transmission member having a zigzag section extending in a zigzag form, and a flexible base material having an arrangement surface. The zigzag section is disposed on the arrangement surface. The base material keeps the zigzag section in a zigzag form.

Abstract: A gate drive circuit includes: an input terminal; a first circuit path inserted into a line connecting the input terminal and a gate of a power transistor; a second circuit path connected in parallel to the first circuit path; and a third circuit path connected in parallel to the second circuit path. The first circuit path includes a gate resistor (Rgon). The second circuit path includes a first capacitor and a first resistor connected in series. The third circuit path includes a second capacitor and a second resistor connected in series. The second capacitor has a capacitance value greater than a capacitance value of the first capacitor. The second resistor has a resistance value greater than a resistance value of the first resistor. The gate resistor (Rgon) has a resistance value greater than the resistance value of the second resistor.

Abstract: A wiring member includes: a flat wiring member including a plurality of terminal parts; and a plurality of identification parts provided to correspond to some of the plurality of terminal parts, wherein the plurality of identification parts are made to each provide a piece of identification information different from each other, the flat wiring member can change a form between a folding form of being folded and a developed form of extending larger than the folding form, and the plurality of identification parts are provided in the flat wiring member so that a distribution region of the plurality of identification parts in the folding form is smaller than a distribution region of the plurality of identification parts in the developed form.

Abstract: A power supply device 10 configured to supply power to a seat S that is movable relative to a floor F of a vehicle includes a power receiving unit 20 that includes a power receiving coil 24 and configured to move along with the seat S, a power transmitting unit 30 that includes a power transmitting coil 34 disposed opposing the power receiving coil 24 and configured to supply power to the power receiving coil 24 in a contactless manner and a power transmitting extension portion 35 extending from the power transmitting coil 34, the power transmitting unit 30 being configured to move along with the seat S and the power receiving unit 20, and a slack absorption portion 40 that includes a winding portion 45 configured to wind and feed the power transmitting extension portion 35 by rotating in coordination with the movement of the seat S.

Abstract: A power supply structure 11 for a headrest 10 for supplying power to the headrest 10 attached to a seat body 13 includes: a power supply coil 16 that is located in the seat body 13; a power reception coil 30 that is located in the headrest 10 and receives power from the power supply coil 16; and an elastic member 21 that is located in at least one of the seat body 13 and the headrest 10 and urges the power supply coil 16 and the power reception coil 30 in a direction that approaches each other.

Abstract: A wiring member includes a sheet-shaped member and multiple linear transmission members that are fixed on the sheet-shaped member. The multiple linear transmission members are fixed on the sheet-shaped member such that a portion of the multiple linear transmission members intersects with respect to another said linear transmission member. An intersection location of the multiple linear transmission members is located away from a folding position.

Abstract: Provided are a determination device and a switch system capable of suppressing a power loss of a semiconductor switch. Determination device is used for semiconductor switch. Semiconductor switch includes junction field-effect transistor having gate and source corresponding to gate. Determination device includes resistor and determination circuit. Resistor has a first end and a second end. The first end of resistor is connected to gate. Determination circuit determines that overcurrent is flowing through semiconductor switch when there is a predetermined change in gate-source voltage of junction field-effect transistor in a range smaller than gate drive voltage provided between the second end of resistor and source.

Abstract: A control circuit controls a switching element including a gate and a source corresponding to the gate. The control circuit includes an inductor, a circuit element, and a resistor. The inductor is connected between the gate and the source of the switching element. The circuit element is connected in series to the inductor between the gate and the source. The circuit element allows an electric current to flow therethrough in response to generation of electromotive force in the inductor. The resistor is connected in parallel to the inductor and the circuit element between the gate and the source.

Abstract: A wiring member includes: a plurality of wire-like transmission members wired in a form including a main wire part and a branch wire part; and a sheet material including a main wire fixing part to which the main wire part is fixed and a branch wire fixing part to which the branch wire part is fixed, wherein the branch wire fixing part is branched from the main wire fixing part, a branch wire support part is provided in the branch wire fixing part, and the branch wire support part extends along a longitudinal direction of the branch wire part, and is formed to have higher rigidity than each of the wire-like transmission members constituting the branch wire part.

Abstract: A wiring member includes a first wiring member including a first sheet, and a plurality of first wire-like transmission members fixed onto the first sheet. The plurality of first wire-like transmission members include a second wire-like transmission member, and a third wire-like transmission member extending over the second wire-like transmission member and crossing the second wire-like transmission member. The wiring member further includes a holding member configured to hold a positional relationship between the second and third wire-like transmission members at a crossing part of the second and third wire-like transmission members. The holding member includes a second sheet fixed to the first sheet so as to cover the crossing part. The second sheet includes a fixed region fixed to the first sheet located around the crossing part, and the second sheet includes a non-fixed region that is not fixed to the first sheet.

Abstract: A photoelectric composite connector mounted on a circuit board is provided, in which assembly of the photoelectric composite connector can be performed easily. A photoelectric composite connector 1 attached to a circuit board, comprising at least one optical ferrule 40, at least one electrical connection terminal 50, a housing 10 to which the optical ferrule 40 and the electrical connection terminal 50 can be attached, and a retainer member 20 that can be fitted in the housing 10, the electrical connection terminal 50 being directly secured to the housing 10, and the optical ferrule 40 being sandwiched between the housing 10 and the retainer member 20 and held in the housing 10.

Abstract: It is aimed to provide an easily assemblable photoelectric composite connector. A photoelectric composite connector 1 includes at least one optical ferrule 5 to be coupled to an optical fiber 81 of an optical cable 8, at least one electrical connection terminal 7 to be coupled to a wire 9, a sub-housing 3 for accommodating the at least one optical ferrule 5, a spring member 6 for biasing the optical ferrule 5 toward a tip side by being accommodated into the sub-housing 3, and a main housing 2 capable of collectively accommodating the sub-housing 3 and the electrical connection terminal 7. The sub-housing 3 constitutes an optical sub-connector S by accommodating the optical ferrule 5 and the spring member 6. The main housing 2 accommodates and fixes the optical sub-connector S and the electrical connection terminal 7.

Abstract: A photoelectric composite connector includes an optical ferrule, an electrical connection terminal, a sub-housing and a main housing for accommodating and fixing the sub-housing accommodating the optical ferrule together with the electrical connection terminal. The sub-housing integrally includes an accommodating portion for accommodating the optical ferrule, and a small tube portion provided to project forward from a front end surface of the accommodating portion, a cross-section of the small tube portion orthogonal to a front-rear direction being smaller than the front end surface of the accommodating portion. The main housing includes a housing end surface formed with a through hole at a position in front of the small tube portion of the accommodated sub-housing in a front end part, and an inner contact surface for coming into contact with the front end surface of the accommodating portion.

Abstract: A wiring member includes: a plurality of wire-like transmission members; and a sheet to which the plurality of wire-like transmission members are fixed, wherein an intersection region portion where the plurality of wire-like transmission members are disposed on the sheet to intersect with each other is provided, and the intersection region portion includes a bending position.

Abstract: A wiring member includes: at least one wire-like transmission member; and a sheet to which the wire-like transmission member is fixed, wherein a route bending portion in which the wire-like transmission member is bended and disposed is provided on the sheet, and the route bending portion includes a bending position.

Abstract: A bidirectional switch module includes a plurality of bidirectional switches and a mount board. Each of the plurality of bidirectional switches includes a first source electrode, a first gate electrode, a second gate electrode, and a second source electrode. On the mount board, the plurality of bidirectional switches are mounted. In the bidirectional switch module, the plurality of bidirectional switches are connected in parallel.

Abstract: A GaN layer is formed over the substrate. An AlGaN layer is formed on the GaN layer. A first source electrode, a first gate electrode, a second gate electrode, and a second source electrode are formed on or over the AlGaN layer. A first p-type Alx1Ga1-x1N layer where 0?x1<1 is interposed between the first gate electrode and the AlGaN layer. A second p-type Alx2Ga1-x2N layer where 0?x2<1 is interposed between the second gate electrode and the AlGaN layer. The substrate is electrically insulated from all of the first source electrode, the second source electrode, the first gate electrode, and the second gate electrode. The bidirectional switch further includes a terminal used to connect the substrate to a fixed potential node. The terminal is connected to the substrate.

Abstract: A wiring member includes a first wiring member including a first sheet, and a plurality of first wire-like transmission members fixed onto the first sheet. The plurality of first wire-like transmission members include a second wire-like transmission member, and a third wire-like transmission member extending over the second wire-like transmission member and crossing the second wire-like transmission member. The wiring member further includes a holding member configured to hold a positional relationship between the second and third wire-like transmission members at a crossing part of the second and third wire-like transmission members.