| 摘要 |
PROBLEM TO BE SOLVED: To provide an image display device such that all advertisements in a train or the like can be seen by a passenger without moving in the train or the like and that exchange of advertisements is not necessary. SOLUTION: The device is equipped with an input part 1 to input the image data, an image processing part 2 to process the inputted image data, a recording head 4 to form images, an image display screen 3 to display the images formed by the recording head 4, and an image erasing part 5 to erase the displayed images.
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