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 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 in-vehicle wireless communication device according to the present embodiment is is mounted in a vehicle and includes a wireless communication unit that performs wireless communication with an external device provided outside of the vehicle and a processing unit that performs processing relating to communication, in which the processing unit determines a communication amount in an in-vehicle network provided inside of the vehicle, transmits communication amount information relating to the determined communication amount to the external device by the wireless communication unit, and receives data transmitted from the external device at a size corresponding to the transmitted communication amount information, by the wireless communication unit.

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: 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: In a honeycomb sandwich panel having a honeycomb core, and a front surface layer and a rear surface layer sandwiching the honeycomb core on its upper and lower surfaces, at least one of the front surface layer and the rear surface layer is made of a fiber reinforced plastic using a phenolic resin as a matrix.

Abstract: In a honeycomb sandwich panel having a honeycomb core, and a front surface layer and a rear surface layer sandwiching the honeycomb core on its upper and lower surfaces, at least one of the front surface layer and the rear surface layer is made of a fiber reinforced plastic using a phenolic resin as a matrix.