Patent ID: 7653760

Claim:
An information playback apparatus comprising: a storage module configured to store a vendor table including a formal vendor ID of a self apparatus and one or more registered vendor IDs, and vendor commands respectively associated with the formal vendor ID and the registered vendor IDs; a connection module configured to connect a partner device so as to transfer video data, audio data, and vendor commands; a detection module configured to detect a vendor ID of the partner device connected via the connection module; a vendor ID control module configured to compare the formal vendor ID and the registered vendor IDs included in the vendor table with the vendor ID of the partner device, to transmit the formal vendor ID to the partner device when the formal vendor ID of the self apparatus is identical to the vendor ID of the partner device, to transmit the same registered vendor ID to the partner device when the formal vendor ID of the self apparatus is different from the vendor ID of the partner device and the vendor ID of the partner device is identical to one of the one or more registered vendor IDs, and to transmit the formal vendor ID of the self apparatus to the partner device when the formal vendor ID of the self apparatus is different from the vendor ID of the partner device and the vendor ID of the partner device is different from any one of the one or more registered vendor IDs; and an operation control module configured to control an operation by interpreting a vendor command from the partner device, which is input via the connection module, based on the vendor ID of the partner device with reference to the vendor table.