Patent ID: 8294724
Filing Date: 2012-10-23
Classification: G06F,G09G

Abstract:
1. A display device comprising: a plurality of electronic papers that are each provided with a display surface, the display surface outputting a piece of display data, the piece of display data being a piece of data for an image and/or a text in a page unit; a binding member that binds together the plurality of electronic papers; an output device that controls output of the piece of display data to each of the plurality of electronic papers; a first storage device that stores rewrite information indicating whether or not to permit rewriting of the piece of display data on each of the plurality of electronic papers; a second storage device that stores a plurality of pieces of display data to be displayed on the plurality of electronic papers; an allocation device that respectively allocates the plurality of pieces of display data stored in the second storage device to a consecutive series of electronic papers for which the rewrite information permits rewriting, based on the rewrite information stored in the first storage device; a display control device that respectively displays the plurality of pieces of display data allocated by the allocation device on the consecutive series of electronic papers; a third storage device that stores the piece of display data displayed on each of the plurality of electronic papers; a rewrite-permit device that, when the plurality of pieces of display data are respectively allocated to the consecutive series of electronic papers by the allocation device, changes the rewrite information on an electronic paper for which the rewrite information inhibits rewriting so that the rewrite information permits rewriting; and a restoration device that, after the plurality of pieces of display data have been respectively displayed on the plurality of electronic papers by the display control device, at a predetermined timing, returns the rewrite information changed to permit rewriting by the rewrite-permit device to once more inhibit rewriting, and restores the piece of display data stored in the third storage device to the display surface of the electronic paper for which the rewrite information was changed to permit rewriting.