| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic book display device or the like with which contents previously read can be easily understood even when an interval of reading an electronic book is very long, and which is useful for understanding in reading from a resumed page. <P>SOLUTION: A display history of the time when electronic book data is displayed on display means 5 capable of displaying an electronic book M is stored in storage means 17 for each predetermined range. When electronic book data which is a continuation of the last reading is displayed on the display means 5, one piece of summary data is selected among multiple pieces of summary data which are created for each predetermined range and have different information amounts, on the basis of the display history, and the selected piece of summary data is displayed on the display means 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
