US Patent 7106176 Portable device-interoperable home network system

A portable device-interoperable home network system includes a home server controls data transmission and reception of an internal network to which a plurality of home appliances are connected in a home. An image server outputs information regarding at least one image in the home to the home server. A portable device server receives the image information from the image server via the home server and transfers it to a portable electronic device. Therefore, a user can recognize a situation in the home through the portable electronic device from anywhere outside of the home, resulting in an increase in convenience of use.