| 摘要 |
At a host device, attribute information (the presence or absence of an overwriting prohibition and the like) of each of image display mediums (electronic papers) is stored in association with individual identification numbers, which are unique to each image display medium. Hence, when a predetermined image is to be displayed at an image display medium in accordance with input from an operation portion, for example, an image display medium for which an overwriting prohibition has not been written to the attribute information can be selected, and image data can be transmitted to this display medium for displaying the image. Thus, image display at each image display medium can be excellently controlled in accordance with attribute information such as overwriting prohibitions and the like.
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