Abstract: An alternator control device includes a battery state determination unit determining whether the state of a battery is a predetermined normal state, a vehicle speed determination unit determining whether the speed of a vehicle is within a predetermined low speed range, a position determination unit determining whether the position of the vehicle meets a predetermined positional condition, and an output voltage instruction unit gives an instruction relating to the output voltage of the alternator. The output voltage instruction unit gives an instruction to increase the output voltage of the alternator to a voltage that is greater than a reference voltage, if it is determined that the state of the battery is not the predetermined normal state, if it is determined that the speed of the vehicle is within the predetermined low speed range, and if it is determined that the position of the vehicle meets the positional condition.

Abstract: This switch device is mounted on a vehicle, and comprises: a switch unit for relaying communication data communicated between a plurality of communication devices; a buffer for holding the communication data to be relayed; and a control unit for transmitting stop request to at least one communication device of the plurality of communication devices if communication data to be transmitted to a communication device in which abnormality has been detected is held in the buffer, the stop request which requests for stopping transmission of communication data to the switch device and for holding of communication data to be transmitted to the switch device.

Abstract: A wiring member includes a sheet material and a wire-like transmission member extending in a plane direction of the sheet material and fixed to the sheet material by a contact area direct fixation at intervals in three or more positions in a longitudinal direction of the wire-like transmission member. When an interval between two contact area direct fixation positions continuous in a longitudinal direction of the wire-like transmission member in contact area direct fixation positions of the sheet material and the wire-like transmission member is a fixation interval, the wiring member includes portions that differ in the fixation interval.

Abstract: An in-vehicle power supply apparatus includes a converter that outputs DC power. A first power storage device and a second power storage device are charged via the converter. A first switch selects on/off between the converter and the first power storage device. A second switch selects on/off between the converter and the second power storage device. A voltage monitoring circuit detects a DC voltage on the output side of the converter, at a point closer to the converter than are the first switch and the second switch.

Abstract: The value range for which an error in a digital signal can be corrected is expanded. A control unit generates characteristic information indicating the relationship between an input and an output of an A/D converter and sets a value range. The control unit, in a case in which a value indicated by a first digital signal obtained by the A/D converter converting a first analog voltage signal is within the value range, A/D converts the first analog voltage signal and generates corrected digital information on the basis of the first digital signal and characteristic information, and in a case in which a value indicated by the first digital signal is not within the value range, A/D converts the first analog voltage signal and generates corrected digital information on the basis of a second digital signal obtained by the A/D converter converting the second analog voltage signal and characteristic information.

Abstract: A power supply box includes: a first terminal that is configured to be connected to a first power storage device that supplies power to a first load; a second terminal that is configured to be connected to an alternator and a second load; a normally-off switch that is configured to be connected between the first terminal and the second terminal; and a bypass that is configured to be connected in parallel with the switch between the first and second terminals. The bypass includes a diode that has a forward direction that is from the first terminal toward the second terminal, and a resistor that is connected in series with the diode between the first and second terminals.

Abstract: A system configured to avoid a power shortage while a vehicle is traveling is provided. A voltage measurement device includes a relay, a first voltage measurement unit measures a first voltage applied to the power supply circuit, a second voltage measurement unit, a power supply circuit, and a control circuit. The power supply circuit is indirectly connected to a direct current bus. A first end of the relay is connected to the direct current bus, whereas a second end is connected to the power storage device. The control circuit, controls opening and closing of the relay, and closes a path between the first end and the second end when the first voltage is lower than or equal to a first threshold value. The second voltage measurement unit measures a second voltage applied to the second end at least when the relay is in an open state.

Abstract: Provided are a communication system and method that can block transmission of an abnormal message while allowing transmission and reception of an authorized message. The communication device includes a communication processing unit that sequentially outputs a binary transmission message, a first switch connects a first wire of a bus to a first potential and a second wire to a second potential, an abnormality detection unit detects an abnormality in a message transmitted on the bus, a switching control unit switches, if an abnormality has been detected, the first switch so that the first wire is connected to the first potential and the second wire is connected to the second potential, and a second switch connects the first wire and the second wire via a second resistor. The communication device transmits a message if no abnormality has been detected, and transmits a message if an abnormality has been detected.

Abstract: Provided is an object detection device for a vehicle or an object detection system for a vehicle. The object detection device for a vehicle includes a vehicle position recognition unit that is provided in the first vehicle and recognizes the position of a second vehicle, an information acquisition unit that is provided in the first vehicle and acquires object position information regarding an external object that is generated based on a result of detection of the external object by an object position detection unit of the second vehicle, and a position identification unit that identifies a position of the external object based on the position of the second vehicle recognized by the vehicle position recognition unit and the object position information acquired by the information acquisition unit.

Abstract: A wiring member includes a sheet material and a plurality of insulating wires disposed to have a crossing part on a main surface of the sheet material. For example, an insulating covering of a lower wiring part in the crossing part is fixed to the sheet material in a position of the crossing part, and a thickness of at least one of the insulating covering of the lower wiring part and the sheet material in the position is reduced.

Abstract: A wiring member includes a plurality of wire-like transmission members each including a transmission wire body and a coat covering the transmission wire body and a flattening member keeping the plurality of wire-like transmission members in a flat state. For example, the flattening member is considered to include a first flattening member which is a member formed separately from the plurality of wire-like transmission members.

Abstract: Provided is a vehicle-mounted power supply device detecting connection with an external power source and charging a power storage unit by stepping up a supply voltage based on the external power source. A vehicle-mounted power supply device includes an external terminal to which a power supply path from an external power source is connectable, a detection unit detects that the power supply path is connected to the external terminal, and a power supply circuit unit allows for flow of a current from the external terminal side toward the second conduction path side at least when the power supply path is connected to the external terminal. The control unit controls a step-down operation and a step-up operation of the voltage conversion unit, and causes the voltage conversion unit to perform the step-up operation when connection between the external terminal and the power supply path is detected by the detection unit.

Abstract: Realized is a vehicular battery monitoring device or a vehicular battery monitoring system for which the number of wires can be reduced, and that can transmit information using a characteristic transmission path. A battery monitoring device includes: a detection unit configured to detect at least one of a voltage at a predetermined position of a battery or a temperature of the battery; and a wireless communication unit configured to transmit, using a wireless communication method, detection information that indicates at least one of the voltage and the temperature of the battery based on a detection result of the detection unit, at least to another battery monitoring device provided in a vehicle.

Abstract: A supporting member is a supporting member for attaching a plurality of electrical wires to an attaching target member. The supporting member includes a plurality of electrical wire holding members each including an electrical wire holding part which can hold at least a part of an electrical wire and a connection part integrally formed with the electrical wire holding part. The plurality of electrical wire holding members are parallelly connected by the connection parts so that the plurality of electrical wires to be held by the electrical wire holding parts are parallel to each other.

Abstract: A wiring member includes: a wire-like transmission member (for example, an electric wire); a first sheet member including one main surface to which the wire-like transmission member is fixed; and a second sheet member fixed to the first sheet member on a side of another main surface of the first sheet member. The first sheet member is suitable for fixing of the wire-like transmission member in comparison to the second sheet member. One member of the first sheet member and the second sheet member includes a space into which another member being melted can be filled. The first sheet member and the second sheet member overlap each other with the another member out of the first sheet member and the second sheet member being melted, filled and then solidified in the space of the one member.

Abstract: A wiring member includes a plurality of wire-like transmission members disposed along a common route on an object-attached part and a base member keeping the plurality of wire-like transmission members in a flat state, wherein the plurality of wire-like transmission members include a first wire-like transmission member and a second wire-like transmission member longer than the first wire-like transmission member.

Abstract: A reactor includes a coil; a magnetic core with an inner core portion arranged inside the coil; and an inwardly interposed member insulating the coil from the inner core portion. The inwardly interposed member has a thin portion defined by a recess of an inner-circumferential surface, and a thick portion that is thicker than the thin portion. The inner core portion has, on an outer circumferential surface facing the inwardly interposed member, a core-side projection portion has a shape conforming to the inner-circumferential surface shape of the thin portion. The thin portion has a thickness of 0.2 mm to 1.0 mm inclusive, and the thick portion has a thickness of 1.1 mm to 2.5 mm inclusive. The inner core portion and the inwardly interposed member are in intimate contact with each other, and the inwardly interposed member and the wound portion are in intimate contact with each other.

Abstract: A stacked wiring member includes a plurality of stacked flat wiring members. Each of the plurality of flat wiring members includes a plurality of wire-like transmission members and a base member keeping the plurality of wire-like transmission members in a parallel state in at least a part of the plurality of wire-like transmission members in an extension direction thereof. Wire-like transmission members having different thicknesses in the plurality of wire-like transmission members are disposed to be located together in a stacked direction of the plurality of flat wiring members.

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 having a wire diameter of 0.5 mm or less, the copper alloy containing Fe in an amount of 0.1% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, and further including one or more elements selected from Zr, Ti and B in an amount of 1000 ppm by mass or less in total, with a balance being Cu and impurities.

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.