A control command transmission apparatus for controlling devices in a home network
system environment is disclosed. A control command transmission apparatus includes a key input unit for inputting a user's operation
signal to control corresponding electronic devices connected to the home network
system; a sensor for detecting the user's motion applied to the control command transmission apparatus to control the electronic devices; a location identification unit for identifying the location of the control command transmission apparatus of the home network
system; a command generator for generating a command corresponding to the motion detected by the sensor; and an interface for communicating with a home
server to which the electronic devices are connected, and for transmitting the command generated by the command generator to the home
server. Accordingly, the present invention provides convenient use of electronic devices connected to a home network system.