| 摘要 |
<p>The digital book has a book-like hinged housing with at least one hinge axis (A), a main part (1) and at least one auxiliary part (2), a display unit in at least two parts with screens in the main and auxiliary book parts, a control unit with information acquisition, storage and reproduction devices for information in textual, image, graphical, audio and/or video forms, at least one control unit, an interface unit and a power supply unit.</p> |
