Patent ID: 7827319

Claim:
An interactive control apparatus using a remote control signal with a computer having an external-device controlling unit and connected to an external device including an electric home appliance by an HDMI (High-Definition Multimedia Interface) cable through the external-device controlling unit, wherein an external device control command generated by the external-device controlling unit in accordance with an instruction input from a human interface device is transmitted to the external device to remotely control the external device; the computer transmits a power-on command to the external device before transmitting the external device control command if determined the computer is powered on in itself and the external device is not powered on, and in case that the computer is not powered on in itself, a controller operating under a standby power supply state in the computer receives a power-on signal code and a code for activation of an application transmitted by a remote controller, thereby activating the computer itself; and the computer further includes a remote control receiver, acquires a physical address stored in the external device and sets the physical address in the remote control receiver before controlling the external device.