Abstract: An aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer void measurement region in a shape of a rectangle having a short side length of 30 ?m and a long side length of 50 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 30 ?m in a depth direction, and a total cross-sectional area of voids in the surface-layer void measurement region is equal to or less than 2 ?m2.

Abstract: A wiring member includes: a base member; a transmission wire body; and a wire-like transmission member having a covering provided around the transmission wire body, wherein the wire-like transmission member includes a fixing region fixed to the base member and a separating region separated from the base member, and a thermal conductive layer having more favorable thermal conductivity than the covering is formed on an outer periphery of the covering in the separating region.

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: Provided is a reactor including a coil provided with two winding portions that are obtained by winding a winding wire such that axes of the winding portions are parallel to each other, and a magnetic core including a rectangular parallelepiped inner core portion disposed in each of the winding portions, and outer core portions that are disposed outside the winding portions and are for linking the inner core portions, in which at least one of two outer corner portions out of four corner portions of each of the inner core portions includes a corner chamfering portion that has been chamfered more than an inner corner portion that is opposite the outer corner portion, the four corner portions facing an inner circumferential surface of the winding portion and the two outer corner portions being disposed on the side of each winding portion that is distant from the other winding portion.

Abstract: Provided are an in-vehicle communication apparatus, a communication program, and a message transmission method. The in-vehicle communication apparatus according is connected to another apparatus via a plurality of communication lines, and includes a plurality of communication units that are provided respectively for the communication lines, and transmit/receive a message via the communication lines, a classification processing unit that performs processing for classifying messages that are to be transmitted to the other apparatus, into a plurality of groups in accordance with priorities of the messages and a message transmission processing unit that distributes messages classified into each of the plurality of groups, to one or more communication units allocated to the group, and the number of communication units allocated to a group into which a higher-priority message is classified is larger than the number of communication units allocated to a group into which a lower-priority message is classified.

Abstract: Provided is a reactor that includes: a coil provided with a wound portion that is obtained by winding a winding wire, and has an exposed region with which a liquid coolant comes into direct contact; a magnetic core that is arranged inside and outside the wound portion, and forms a closed magnetic circuit; a sensor member configured to measure the temperature of the coil, the sensor member including a rod-shaped sensor body portion attached to the exposed region of the wound portion, and a wire coupled to the sensor body portion; and a sensor cover portion that covers surfaces of the outer periphery of the sensor body portion, except for a mounting surface for mounting to the wound portion and at least part of a coupling surface to which the wire is coupled.

Abstract: A tire pressure detection system that includes a plurality of transmission apparatuses that transmit a request signal for requesting air pressure information of a tire of a vehicle, a detection apparatus that detects air pressure in a tire in accordance with the request signal, and transmits a response signal that includes air pressure information, and an acquisition apparatus that receives the response signal, and acquires the air pressure information, and, in a case of an abnormality where a response signal in response to the request signal of one transmission apparatus is not received by the acquisition apparatus after the one transmission apparatus has transmitted the request signal to the detection apparatus, another transmission apparatus transmits a high-power request signal of a higher output level than the request signal of the one transmission apparatus.

Abstract: A relay device system is a relay device system to be installed in a vehicle, the relay device system including a wireless relay device configured to wirelessly communicate with a communication device provided outside the vehicle, and a plurality of wired relay devices that are communicably connected to the wireless relay device, the plurality of wired relay devices each including a communication unit configured to communicably connect to an ECU for controlling an on-board device installed in the vehicle, the ECUs including an HMI-related ECU, a travel control-related ECU, and a self-driving-related ECU, the wired relay device that is connected to the HMI-related ECU and the wired relay device that is connected to the travel control-related ECU being arranged in a front portion of the vehicle, and the wired relay device that is connected to the self-driving-related ECU being arranged in a rear portion of the vehicle.

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 to be arranged side by side, wherein the sheet includes a first sheet covering the plurality of wire-like transmission members from one side and a second sheet covering the plurality of wire-like transmission members from another side, a window region is provided in a part of the sheet along a longitudinal direction of the plurality of wire-like transmission members, the window region is provided on a side directed to an outer surface in a state where the wiring member is folded, and a part of the plurality of wire-like transmission members wired in the window region can be identified.

Abstract: Provided is an in-vehicle backup power supply control device or an in-vehicle backup power supply configured to generate a notification indicating the state of a power storage unit to an external device. When a main power supply fails, a control device applies a voltage to a backup target load from a power storage unit. The control device is provided with a charging/discharging unit for charging the power storage unit and discharging the power storage unit, a voltage detection unit for detecting a voltage of the power storage unit, a control unit for controlling the operation of the charging/discharging unit, and a signal interruption unit for interrupting the output of the predetermined signal to a device external to the control device in a case where the voltage value (Vout) of the power storage unit detected by the voltage detection unit is smaller than a predetermined first threshold.

Abstract: A reactor includes a coil including wound portions; and a magnetic core that includes a set of core pieces that engage with each other and is arranged inside and outside of the wound portions. One core piece includes, at an end portion thereof, a recessed portion having a ring-shaped opening edge that is open toward the other core piece. The other core piece includes, at an end portion thereof, a protruding portion that is configured to be fit into the recessed portion. Both of the core pieces include, in the wound portions, ring-shaped contact portions that are provided along the opening edges and at which the core pieces come into surface contact with each other, and gap portions formed by non-contact regions in which the inner peripheral surfaces forming the recessed portions and the outer peripheral surfaces of the protruding portions are not in contact with each other.

Abstract: A wiring member includes: a sheet; and a plurality of wire-like transmission members disposed on the sheet, wherein the plurality of wire-like transmission members include at least one first wire-like transmission member fixed to the sheet at a plurality of first positions and at least one second wire-like transmission member fixed to the sheet at a plurality of second positions, and the first positions and the second positions are alternately provided along an extension direction of the wire-like transmission members in a region where the first wire-like transmission member and the second wire-like transmission member are parallelly arranged.

Abstract: A voltage regulator is provided wherein electricity flows through a second transistor in an operating state in which a control unit) applies an operating voltage to a base of the second transistor. A Zener diode sets, in the operating state, a voltage of a second conductive path to a voltage corresponding to a voltage across the Zener diode. A current corresponding to an addition value obtained by adding a value of a current flowing through a second resistor portion in the operating state, a value of a current flowing through a third resistor portion in the operating state, and a value of a current flowing through the Zener diode in the operating state flows through a ground-side resistor portion. A control unit stops the output of the operating voltage when a voltage of the second conductive path is lower than or equal to a threshold value.

Abstract: An arrangement structure of a wiring member includes: a first member; a second member connected to the first member to be rotatable around a rotational axis; and a plurality of electrical wires having a part disposed at least between the first member and the second member, wherein the plurality of electrical wires are disposed in parallel to each other in a direction in which the rotational axis extends in the part of the plurality of electrical wires disposed between the first member and the second member.

Abstract: An object of the present invention is to provide a technique with which at least part of an assembling process of a wire harness can be automated with a simple device. A method for manufacturing a wire is a method for manufacturing a wire harness by bundling a wiring body of the wire harness, the wiring body being in a state before a branch is formed. The method includes a process of moving the terminal portion in a predetermined draw-out direction by a holding portion moving portion of the size-measurement mechanism in a state where one of terminal portions is held by a terminal holding portion of a size measurement mechanism, and measuring a length from the one terminal portion to the position of one branch point.

Abstract: A wiring member includes: a plurality of wire-like transmission members; and a sheet to which the plurality of wire-like transmission members arranged side by side are fixed, wherein the sheet includes a first sheet covering the plurality of wire-like transmission members from one side and a second sheet covering the plurality of wire-like transmission members from another side, and a planar surface region part is provided on an outer side of the second sheet.

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 covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a plurality of copper alloy wires composed of a copper alloy and twisted together, and has a wire diameter of 0.5 mm or less, the copper alloy containing Ni, or Ni and Fe in an amount of 0.1% by mass or more and 1.6% by mass or less in total, and P in an amount of 0.05% by mass or more and 0.7% by mass or less, with a balance being Cu and impurities, in the copper alloy, a ratio of precipitation of P to solid solution of P being 1.1 or more.

Abstract: A substitution apparatus for installation in a vehicle in which a plurality of in-vehicle control apparatuses are implemented, the substitution apparatus including a control unit and a substitute unit. The control unit is configured to control the substitute unit based on transmission data transmitted from the in-vehicle control apparatuses, specify an abnormal in-vehicle control apparatus based on the transmission data, disable the specified abnormal in-vehicle control apparatus, and apply, to the substitute unit, a program for exhibiting functions otherwise normally executed by the specified abnormal in-vehicle control apparatus. The substitute unit is configured to substitute for the disabled in-vehicle control apparatus by executing the applied program.

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.