Patent ID: 7683920

Claim:
An amplifier device conforming to a standard comprising a set of resolutions with which image data is output from the amplifier device, and connectable to an image reproducing device and an image display device, the amplifier device comprising: an image receiving section for receiving image data from the image reproducing device; an image sending section for sending the image data to the image display device; a first storage section for storing a set of resolutions to be read out by the image reproducing device; a second storage section in which the set of resolutions belonging to the standard of the amplifier device is pre-stored; a read-out section for reading out a set of resolutions pre-stored in the image display device from the image display device; a determining section for determining whether or not the image display device connected to the amplifier device conforms to the standard of the amplifier device; and a resolution registration section for, if it is determined that the image display device does not conform to the standard of the amplifier device, registering in the first storage section all of the resolutions of the image display device read out by the read-out section or a subset of resolutions of the image display device among those read out by the read-out section with which the image sending section is able to send data to the image display device, ignoring the resolutions of the amplifier device stored in the second storage section, and if it is determined that the image display device conforms to the standard of the amplifier device, registering in the first storage section a subset of resolutions among those stored in the second storage section that are included in the set of resolutions read out from the image display device.