Patent ID: 7924861

Claim:
A signal communication apparatus comprising: a transmission component connected with an information processing device via a first cable, the transmission component being outside and separate from the information processing device, the transmission component also being connected with a signal propagation medium, and the transmission component transmitting an image signal inputted via the first cable through the connected signal propagation medium; a reception component connected with an image display device via a second cable, the image display device having a plurality of resolution modes, the reception component being connected with the signal propagation medium to receive the image signal transmitted from the transmission component through the connected signal propagation medium, and the reception component outputting the image signal to the connected image display device via the second cable; and an extended display identification data information storage component which is removably attached to the transmission component, the extended display identification data information storage component storing extended display identification data information for identifying a particular model name and particular setting values of the image display device, wherein the extended display identification data information storage component is located outside of the image display device, and the information processing device acquires the extended display identification data information from the extended display identification data information storage component connected to the transmission component, via the first cable, and the information processing device outputs the image signal via the first cable to the connected transmission component in a format corresponding to one of the resolution modes of the image display device, in accordance with at least a portion of the acquired extended display identification data information.