Abstract: Provided are a wire harness and a communication relay method with which effects such as reduction in the relay processing load of an in-vehicle device or improvement in the scalability of an in-vehicle device can be expected. A wire harness according to an embodiment includes a circuit board detachably mountable to an in-vehicle device, a plurality of communication lines connected to the circuit board, and a relay unit provided on the circuit board and configured to relay communication between the plurality of communication lines and to relay communication between the communication lines and the in-vehicle device.

Abstract: A wireless communication includes a wireless communication unit that performs wireless communication with a vehicle and a processing unit that performs processing for communication, in which the processing unit determines a communication amount in wireless communication performed with one or a plurality of by the wireless communication unit, transmits communication amount information relating to the determined communication amount to the vehicle by the wireless communication unit, and receives data transmitted from the vehicle at a size corresponding to the communication amount by the wireless communication unit. The processing unit may receive the communication amount information relating to the communication amount in the in-vehicle network provided inside the vehicle from the vehicle, adjust the size of data to be transmitted to the vehicle according to the received communication amount information, and transmit the data with the adjusted size to the vehicle by the wireless communication unit.

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 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: A wireless communication includes a wireless communication unit that performs wireless communication with a vehicle and a processing unit that performs processing for communication, in which the processing unit determines a communication amount in wireless communication performed with one or a plurality of by the wireless communication unit, transmits communication amount information relating to the determined communication amount to the vehicle by the wireless communication unit, and receives data transmitted from the vehicle at a size corresponding to the communication amount by the wireless communication unit. The processing unit may receive the communication amount information relating to the communication amount in the in-vehicle network provided inside the vehicle from the vehicle, adjust the size of data to be transmitted to the vehicle according to the received communication amount information, and transmit the data with the adjusted size to the vehicle by the wireless communication unit.

Abstract: Provided are an in-vehicle wireless communication apparatus, a wireless communication system, a wireless communication apparatus, and a vehicle control method configured to realize prompt external control of a vehicle.

Abstract: An in-vehicle relay apparatus provided on a roof of a vehicle includes: a first connector connected to a power line and a communication line provided on one pillar of the vehicle; a second connector to which a power line and a communication line provided on a different pillar are connected; a branch line connector to which power lines and communication lines extending from a plurality of in-vehicle devices provided on the roof are connected; a branching portion branching a single wire system into power lines connected to the branch line connector, the single wire system being a system in which the power lines respectively connected to the first connector and the second connector are integrated into one system; and a relay unit relaying data passing between the communication lines connected to the first connector and the second connector and the communication lines connected to the branch line connector.

Abstract: An onboard relay apparatus, connected to a plurality of onboard devices and relays communication to the onboard devices, is provided on a roof and includes a branch line connector connected to an onboard load; a main line connector connected to a power supply apparatus supplies power and a second onboard relay apparatus, which are included in the plurality of onboard loads, provided in an area other than the roof via a power line and a communication line provided on a pillar of the vehicle; and a control unit configured to control power supplied from the power supply apparatus via a power line provided on the pillar and distributed to the onboard load via one of a plurality of power lines provided on the roof and controls relaying communication to the onboard load and the second onboard relay apparatus.

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: Provided are a wire harness, a connector and a communication relay method with which effects such as reduction in the relay processing load of an in-vehicle device or improvement in the scalability of an in-vehicle device can be expected. A wire harness according to an embodiment includes a connector to be detachably connected to an in-vehicle device, a plurality of communication lines connected to the connector, and a relay unit provided in the connector and configured to relay communication between the plurality of communication lines and to relay communication between the communication lines and the in-vehicle device.

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 distributor configured to be connected to a power supply wire laid in a vehicle, a load for the vehicle to be supplied with power from the power supply wire, and configured to be connected to an operation signal line through which operation information serving as a reference for determining whether to operate or stop the load is transmitted, the distributor including: an electronic control unit configured to distribute power that is supplied from the power supply wire to the load, based on the operation information, wherein the electronic control unit is disposed at a corner of the vehicle.

Abstract: Provided are a wire harness, a connector and a communication relay method with which effects such as reduction in the relay processing load of an in-vehicle device or improvement in the scalability of an in-vehicle device can be expected. A wire harness according to an embodiment includes a connector to be detachably connected to an in-vehicle device, a plurality of communication lines connected to the connector, and a relay unit provided in the connector and configured to relay communication between the plurality of communication lines and to relay communication between the communication lines and the in-vehicle device.

Abstract: Provided are a wire harness and a communication relay method with which effects such as reduction in the relay processing load of an in-vehicle device or improvement in the scalability of an in-vehicle device can be expected. A wire harness according to an embodiment includes a circuit board detachably mountable to an in-vehicle device, a plurality of communication lines connected to the circuit board, and a relay unit provided on the circuit board and configured to relay communication between the plurality of communication lines and to relay communication between the communication lines and the in-vehicle device.

Abstract: A relay device to be installed in a vehicle, including: an external wireless communication unit that is configured to perform wireless communication with a communication device that is provided outside of the vehicle; a wired communication unit that is configured to perform wired communication with an ECU for controlling an in-vehicle device that is installed in the vehicle; an in-vehicle wireless communication unit that is configured to perform wireless communication with the ECU; and a communication control unit that is configured to identify information transmitted from the communication device and control communication performed by the wired communication unit or the in-vehicle wireless communication unit in accordance with a result of the identification.

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, a plurality of wired relay devices that are connected in a ring to the wireless relay device, and an in-vehicle network formed in a ring by a communication line connecting the wireless relay device and the plurality of wired relay devices, in which the plurality of wired relay devices each include an ECU communication unit configured to communicably connect to an ECU for controlling an on-board device installed in the vehicle, and the wireless relay device and the plurality of wired relay devices are configured to communicate with each other through the in-vehicle network, using two clockwise and counterclockwise paths.

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 yield amount of a vehicle is given notice of more accurately before two vehicles pass each other. In a driving assistance system, a yield amount calculation unit calculates a yield amount of a first vehicle on the basis of the width of the first vehicle, the width of a second vehicle, the current position of the first vehicle in the width direction detected by a first position detection unit, the passing position predicted by a passing position prediction unit, the road width at the passing position specified by a road width specification unit. The notification unit gives notice of the yield amount of the first vehicle at least in the first vehicle on the basis of the calculation result from the yield amount calculation unit.

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 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.