Patent ID: 11936495
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 7:
8. A communication relay method comprising:
using a wire harness that includes a connector board to which a plurality of communication lines are connected and detachably mounted to an in-vehicle device by being inserted into and removed from an opening provided in a casing of the in-vehicle device, the connector board having a terminal electrically connected to the in-vehicle device, a relay IC including a relay unit, a first input-output IC interposed between the terminal and the relay unit and configured to input and output communication signals with respect to the terminal, and a second input-output IC interposed between the communication lines and the relay unit and configured to input and output communication signals with respect to the communication lines, the terminal being provided on one edge side of the connector board and the communication lines being connected on the other edge side of the connector board, and the first input-output IC or the second input-output IC being mounted on a surface on an opposite side of the connector board to the surface on which the relay IC is mounted;
relaying communication between the plurality of communication lines with the relay unit provided on the connector board; and
relaying communication between the communication lines and the in-vehicle device with the relay unit.