Patent ID: 11909748
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The anti-fraud control system according to claim 2, wherein
in the first error monitoring device,
when detecting that no error notification frame for notifying of an occurrence of an error in the corresponding one of the branches is received from the one or more second error monitoring devices with respect to the frame subjected to the error and included in the error notification frame transmitted by the first frame transmitting and receiving hardware unit, the first hardware error detector causes the first frame transmitting and receiving hardware unit to transmit the mode transition frame for shifting the one or more second error monitoring devices to the invalidation mode,
the first hardware error detector further monitors whether an error occurs in the mode transition frame transmitted by the first frame transmitting and receiving hardware unit, and causes the first frame transmitting and receiving hardware unit to transmit an anomaly notification frame for notifying of an occurrence of an anomaly in transmitting and receiving the mode transition frame, when detecting the occurrence of the error in the mode transition frame, and

in each of the one or more second error monitoring devices,
when detecting that the second frame transmitting and receiving hardware unit has received the anomaly notification frame, the second hardware error detector shifts the second error monitoring device to the invalidation mode.