Image display system, image display apparatus and shutter device

An image display apparatus comprising:

• an image display section which displays a 3D image including a left-eye image and a right-eye image;
• a sync signal sending section which sends a sync signal to a shutter device which transmit the left-eye image and the right-eye image;
• and
• a protocol sending section which sends protocol information, which is information about a protocol used when the shutter device analyze the sync signal, to the shutter device.

A shutter device which are used to view a 3D image including a left-eye image and a right-eye image, comprising:

• a shutter section which transmits the left-eye image and the right-eye image of the 3D image;
• a sync signal receiving section which receives a sync signal for synchronizing display timings of the left-eye image and the right-eye image of the 3D image with driving of the shutter section;
• a protocol storing section which stores protocol information which is information about a protocol used for analysis of the sync signal;
• a shutter drive section which analyzes the sync signal received through the sync signal receiving section using the protocol information stored in the protocol storing section and drives the shutter section on the basis of the analysis result;
• a protocol receiving section which receives the protocol information;
• and
• a protocol updating section which updates the protocol information stored in the protocol storing section into new protocol information received through the protocol receiving section.