Patent ID: 7880687

Claim:
An interconnection unit for a composite image display apparatus that displays an image by a plurality of display devices that are detachably mounted to a plurality of mounting positions on a plurality of interconnection units, each interconnection unit comprising: the mounting positions on which the plurality of display devices are detachably mounted, the plurality of interconnection units connected to each other; self-state acquiring means for acquiring identification information of a display device indicating a mounting position of the display device and a mounting state of the display device mounted on the interconnection unit including the self-state acquiring means; other-device-state acquiring means for acquiring identification information indicating a mounting position of each of the plurality of display devices and a mounting state of each of the plurality of display devices mounted on another one of the plurality of interconnection units with respect to the interconnection unit including the other-device-state acquiring means; and display controlling means for controlling display of an image to be displayed on the display device, mounted on the interconnection unit including the display controlling means, on the basis of information acquired by each of the self-state acquiring means and the other-device-state acquiring means, wherein when the image is a moving image, the display controlling means includes still timing selecting means for selecting a timing for stilling the moving image displayed on the display device on the basis of the connection among the plurality of interconnection units and mounting positions of the plurality of display devices mounted on the another one of the plurality of interconnection units that are oriented in the same direction as the display device.