| 摘要 |
<p>PURPOSE:To continuously and easily change page-turning speed in an electronic book. CONSTITUTION:A distance calculation part 102 calculating how far a point that a user indicates is from a reference point or a reference line which is previously set, a page-turning speed calculation part 103 calculating page-turning speed based on the distance, a page-turning control part 105, a page information accumulation part 104 and a display part 106 are provided. Thus, the user can freely change page-turning speed without interrupting the work while he reads the electronic book. Thus, the operability of the electronic book is considerably improved.</p> |
