Patent ID: 11971875
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A fault monitoring method executed by a monitoring device in a fault monitoring system which includes a terminal used by a user, an appliance to be operated by the user, the monitoring device, and a plurality of authentication servers each including a distributed ledger and in which the terminal, the monitoring device, and the plurality of authentication servers are capable of communicating with one another via a network, the fault monitoring method comprising:
obtaining, from a first authentication server among the plurality of authentication servers, event information stored in the plurality of authentication servers, the event information indicating an event generated in response to a request that is generated by the user via the terminal and transmitted from the terminal to the first authentication server and includes a processing instruction for the user operating the appliance;
obtaining state information indicating whether the appliance is faulty, from the appliance;
generating first transaction data including the state information obtained and transmitting the first transaction data to the first authentication server, to record the first transaction data in the distributed ledger in each of the plurality of authentication servers; and
transmitting the processing instruction included in the event information to the appliance, when the appliance is determined to be not faulty from the state information.