Home network system

摘要

The present invention discloses a home network system ( 1 ) using a living network control protocol. The home network system ( 1 ) includes: at least two electric devices ( 41 - 49 ); and a network based on a predetermined protocol for connecting the electric devices ( 41 - 49 ), wherein a message transmitted between one electric device ( 41 - 49 ) and the other electric device ( 41 - 49 ) includes a command code field implying an operation that is to be performed by the other electric device ( 41 - 49 ), and an argument field according to a version of a protocol applied to one electric device ( 41 - 49 ) for performing the operation.