Patent ID: 8924886

Claim:
An image display device, connected via a network to an image archive device that stores multiple image data, to receive the image data from the image archive device, the image display device comprising: a memory configured to store address information of said multiple image data; a display part configured to scroll-display said image data in a predefined order; a manipulation part configured to input an instruction regarding the scroll display of the image data displayed on said display part; and an image display controller configured to determine how many frames of the image data are to be read from said image archive device depending on the image data and scrolling speed of a display object designated by said manipulation part, read the image data of the determined number of frames from said image archive device based on said address information and the image data of the display object, and cause said display part to display the image data of the frames of a new display object from among the image data of the determined number of frames that have been read, wherein said image display controller is configured to have association information that associates multiple stages of said scrolling speed with readable image data of different compression forms and to determine a readable range of an image to be read according to which stage of the multiple stages said designated scrolling speed is classified into, and if the scrolling speed designated by said manipulation part is classified into a relatively slow stage, said image display controller is configured to read multiple image data preceding and subsequent to the image data of each of said display object in said predefined order in addition to the image data of said new display object.