Patent ID: 11923999
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  B | IPC H

Claim 3:
4. The management apparatus according to claim 3, further comprising:
a storage unit configured to store a correspondence table indicating the correspondence relationship between the unique ID of an onboard apparatus and the channel of athe network bus which an onboard apparatus connects to; and
the generation unit, in a case where the correspondence relationship between the unique ID included in the request frame and the channel that transmitted the request frame and the correspondence relationship indicated in the table are determined to match by the connection status determination unit, generates the normal response frame, and
the generation unit, in a case where the correspondence relationship between the unique ID included in the request frame and the channel that transmitted the request frame and the correspondence relationship indicated in the table are determined not to match by the connection status determination unit, generates the abnormal response frame.