Patent ID: 7287062

Claim:
A home network system, comprising: a home server installed in a building for controlling and managing a home network connected to a plurality of home appliances; a portal server located outside the building for communicating data with the home server through the Internet; and a data manager for managing data backup for the home server by periodically transmitting, via the Internet, data stored in the home server to the portal server as backup data such that the backup data, when the data stored in the home server are damaged due to a functional error of the home server, can be automatically restored in the home server; and a recovery button arranged on an exterior of the home server such that a data recovery command can be directly input when a functional error of the home server occurs, wherein the recovery button is configured such that a control signal is output to the system recovery unit when the recovery button is pressed, to automatically recover the backup system data stored in the internal database, wherein the data manager comprises: a data backup unit for periodically transmitting the data stored in the home server such that backup of updated data stored in the home server can be performed; a data recovery request unit for determining existence of a functional error in the home server and transmitting a data recovery request signal for requesting a recovery of data to the portal server when the home server cannot recover the data damaged due to the functional error; and a data recovery unit for receiving the backup data from the portal server as a response to the data recovery request signal, and recovering data of the home server.