Abstract: A joint connector configured to have a plurality of wire harnesses connected thereto and join the plurality of wire harnesses, the joint connector including a sub-connector configured to have connectors of the plurality of wire harnesses inserted therein, a housing inside which the sub-connector is provided, a plurality of joint terminals arranged in parallel with each other in a protruding state within the housing and respectively connected to the connectors of the plurality of wire harnesses, and a relay unit provided in the housing and connected to the plurality of joint terminals, the relay unit being configured to, based on information included in data transmitted from an in-vehicle ECU or in-vehicle sensor connected to the plurality of wire harnesses, perform relay control of the data between the plurality of joint terminals.

Abstract: A configuration can be more easily realized in which the temperature of an auxiliary power source can be increased even in a low temperature environment. In the in-vehicle auxiliary power source control device, a control unit performs a charging operation of switching a first switch on and switching a second switch off, and a discharging operation of switching the first switch off and switching the second switch on. Also, the temperature of an auxiliary power source is raised by heat generated by a resistor unit due to the charging operation and the discharging operation performed by the control unit.

Abstract: A detection device includes: a message acquisition unit configured to acquire one or a plurality of transmission messages in the in-vehicle network; a data acquisition unit configured to acquire a set of a plurality of types of data that are included in the transmission messages and that correspond to the same time; a storage unit configured to store therein a detection condition being based on a plurality of the sets that respectively correspond to a plurality of times; a calculation unit configured to calculate an estimated error of the data of a type to be monitored in the set, based on the set and the detection condition; and a determination unit configured to determine whether or not the transmission message corresponding to the data of the type to be monitored is an unauthorized message, based on the estimated error and on an estimated error that was calculated in the past.

Abstract: In a drive device, a first connection circuit, a second connection circuit, and a third connection circuit are connected individually between an input end and an output end. A first motor is connected between a connection node between a first input switch and a first output switch of the first connection circuit and a connection node between a third intermediate switch and a third output switch of the third connection circuit. A second motor is connected between a connection node between a second input switch and a second output switch of the second connection circuit and a connection node between a third input switch and the third intermediate switch of the third connection circuit.

Abstract: A relay apparatus system is a relay apparatus system that is mounted in a vehicle, and includes: a wireless relay apparatus that wirelessly communicates with a communication apparatus provided outside of the vehicle; and a plurality of wired relay apparatuses that are connected in series downstream of the wireless relay apparatus when the communication apparatus is assumed to be positioned upstream of the wireless relay apparatus, wherein each of the plurality of wired relay apparatuses includes a communication unit that is communicably connected to an ECU for controlling an in-vehicle apparatus that is mounted in the vehicle.

Abstract: An electrical connection box is provided with a connector-attached board and a shield case that internally houses the connector-attached board. The connector-attached board is provided with a circuit board, a connector that is fixed to the circuit board and that engages with a mating connector, and an attachment that is attached to the connector. The shield case surrounds the circuit board and is provided with an upper short wall portion and a lower short wall portion that include a connector opening for facing the connector outside. The attachment is provided with a waterproof portion that covers the periphery of an engagement surface of the connector that faces the mating connector, and the waterproof portion is provided with a waterproof wall that covers the periphery of the connector and the mating connector.

Abstract: A reactor including a magnetic core and a coil having a wound part, the magnetic core having an inner core part disposed inside the wound part and an outer core part disposed outside the wound part, is provided with a bolt coupling the inner core part and the outer core part, the bolt being constituted by a composite material formed by dispersing a soft magnetic powder in a resin and including a shaft part passing through the outer core part, the shaft part including a tip reaching the inner core part, and the inner core part and the outer core part respectively being an integrated member having an undivided structure.

Abstract: An on-board power supply device includes: a voltage conversion unit; a first voltage detection unit that detects a value of a first voltage that is applied to a second conduction path; and a second voltage detection unit that detects a value of a second voltage that is applied to a load-side conduction path. Furthermore, the on-board power supply device includes: a target voltage setting unit that sets a target voltage value based on the value of the second voltage detected by the second voltage detection unit; and a control unit. The control unit repeatedly performs feedback calculation for updating a duty ratio of a control signal based on the value of the first voltage detected by the first voltage detection unit so as to bring the value of the first voltage applied to the second conduction path closer to the target voltage value.

Abstract: An in-vehicle communication system includes: an optical coupler; a first in-vehicle device group composed of a plurality of in-vehicle devices connected to a first end of the optical coupler; and a second in-vehicle device group composed of a plurality of in-vehicle devices connected to a second end of the optical coupler. The in-vehicle devices in the first in-vehicle device group are communicable with the in-vehicle devices in the second in-vehicle device group via a common transmission path in the optical coupler. The in-vehicle devices in the second in-vehicle device group are communicable with the in-vehicle devices in the first in-vehicle device group via a common transmission path in the optical coupler.

Abstract: An on-board control apparatus includes: a controller connected to a controlled device mounted in a vehicle via a signal line and configured to control the operation of the corresponding controlled device; and a power source box connected to a power source mounted in the vehicle via a power line, that is connected to the controlled device mounted in the vehicle via a power line, and configured to switch between supply and non-supply of power from the power source to the controlled device, wherein the power source box includes; a switch disposed in a power supply path from the power source to the controlled device; a reception unit configured to receive an input of the switching command; and a switching control unit configured to switch between conduction and interruption of the switch in response to the switching command received by the reception unit.

Abstract: A metal member-welded structure includes: a Cu member; an Al member; and a welded portion formed by melting and solidifying each of materials of the Cu member and the Al member. The Cu member includes a Cu-based material containing Cu as a main component. The Al member includes an Al-based material containing Al as a main component and a plating layer that covers a side of the Al-based material, the side being close to a surface of the Cu member. The welded portion includes a sea-island structure in a vicinity of the surface of the Cu member. The sea-island structure includes: a plurality of island portions containing pure Al, and a sea portion interposed among the island portions. The sea portion has a eutectic structure having: a phase of an intermetallic compound of Cu and Al; and a phase of pure Al.

Abstract: A door wiring module includes: a service hole cover including a cover body part and a route indication part provided to the cover body part; and a wiring member whose route is regulated so that the wiring member passes through a first position and a second position on the cover body part. The route indication part indicates a plurality of routes each having a route length different from each other as routes of the wiring member between the first position and the second position, and a route of the wiring member is regulated so that the wiring member passes through any route selected from the plurality of routes.

Abstract: Provided is a wiring junction box for branching a wire connected to a plurality of ECUs mounted in a vehicle, including: a power input terminal connected to an electrical storage device supplying electric power to the ECUs; a plurality of power output terminals respectively outputting electric power input from the power input terminal to the plurality of ECUs; a communication device-side communication port connected to a communication device communicating with the ECUs; and a plurality of ECU-side communication ports respectively connected to the plurality of ECUs, wherein the wire includes a power line for connecting the power input terminal and the power output terminals and a communication line for connecting the communication device-side communication port and the ECU-side communication ports, the power line branches according to the number of power output terminals, and the communication line branches according to the number of ECU-side communication ports.

Abstract: The present disclosure aims to avoid a situation where a drive unit to be used for precharge does not drive due to a drop in power supply voltage. The power supply device is provided with the first voltage conversion unit and the control unit. The first voltage conversion unit performs a third voltage conversion operation in which a voltage applied to a second conductive path is boosted and an output voltage is output to a first conductive path to which a capacitive component is electrically connected. The control unit supplies the third control signal to only some of the plurality of first voltage conversion units, thereby causing the some of the first voltage conversion units to perform the third voltage conversion operation.

Abstract: A wiring member includes a wire-like transmission member, a holding member, and a connector. The holding member is configured to hold the wire-like transmission member two-dimensionally in a positioned state. The connector is attached to an end portion of the wire-like transmission member. The connector is provided with an orientation recognition mark.

Abstract: An object of the present disclosure is to be able to further reduce the size of a substrate structure including a plurality of elements. The substrate structure includes: a base substrate that includes a first conductive plate and a second conductive plate; a first element connected to the first conductive plate and the second conductive plate; and a second element connected to the first conductive plate and the second conductive plate. The first conductive plate and the second conductive plate are disposed on the same plane on the base substrate in a state of being electrically insulated from each other, the first element is mounted on a first main surface of the base substrate, and the second element is mounted on a second main surface that is on the opposite side to the first main surface relative to the base substrate.

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: Provided is a configuration in which, in an in-vehicle DC-DC converter, a limitation value of input power or output power can be determined according to the temperature of a power storage unit. In an in-vehicle DC-DC converter (1), a determination unit uses a scheme for determining whether or not input power of an input-side conductive path has reached an input power limitation value that is determined according to an input voltage of the input-side conductive path and a temperature range to which the temperature of an input-side power storage unit belongs, or a scheme for determining whether or not output power of an output-side conductive path has reached an output power limitation value that is determined according to an output voltage of the output-side conductive path and a temperature range to which the temperature of an output-side power storage unit belongs.

Abstract: This array antenna is an array antenna to be used for beam forming and includes: a plurality of antenna elements; a ground; a dielectric provided between the plurality of antenna elements and the ground, the dielectric having an electrical length, from the plurality of antenna elements to the ground, of not less than 0.03; and a shield structure provided at least between the plurality of antenna elements and configured to shield a radio wave radiated from each antenna element.

Abstract: A control device for a vehicle includes a semiconductor switch, and opens and closes a connection between a capacitor connected to one end of the semiconductor switch and an on-board battery connected to another end of the semiconductor switch by turning ON/OFF the semiconductor switch. The control device includes: a wiring for applying a drive voltage for turning ON the semiconductor switch; a drive switch for short-circuiting the wiring to turn OFF the semiconductor switch; a Zener diode having an anode connected to the one end of the switching circuit, and a cathode connected to the wiring; a voltage detection unit detects a voltage at the one end of the switching circuit; and a control unit that controls the drive switch from OFF to ON, and determines whether or not the semiconductor switch is defective by comparing the voltage detected by the voltage detection unit with a threshold value.