Patent ID: 6772096
Filing Date: 2004-08-03
Classification: G05B,G06F,H04L

Abstract:
A remote maintenance system comprising:a center server located in a service center for performing maintenance of an electrical appliance; and a home server located in a house for monitoring a status of an electrical appliance in the house, wherein the center server and the home server are connected via a communication line, the home server includes: a status value acquiring unit operable to acquire a status value of the electrical appliance; a failure model receiving unit operable to receive from the center server a failure model for deriving a decision as to whether or not the electrical appliance has failed from the status value; and a failure deciding unit operable to decide whether or not the electrical appliance has failed based on the acquired status value and the received failure model, and the center server includes a failure model updating unit operable to update the failure model and send the updated failure model to the home server.