| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an operation switch which displays an arbitrary display page quickly by extracting it from a storage medium, moreover, to provide equipment which adjusts an angle of displayed pages so that a user can perform reading stably with a single-handed holding of electronic books and, moreover, to make a portable electronic books an exhange type by attaching things of visual factors to cover parts of a case of the electronic books and to display parts of the left and the right and to make the things to be exchange types so that the user makes the best use of one's originality. <P>SOLUTION: In the portable electronic books, an instruction switching device 71 which is constituted of a ten-key 72 which calls numbers 0 to 9, a page display 73 which displays a called page, a performance button 74 which sends the displayed page to a central processing part and a clear button 75 which returns an operation to an initial state is provided apart from the conventional operation switch. Moreover, an angle adjusting device 51 of V-shaped cut engagement is provided at the hinge part of the portable electronic books as a means for setting the arbitrary angle of the displayed pages. Moreover, the electronic books is made to be an exchange type in which left and right side faces 12, 22 corresponding to covers are opened into rectangles and exchange type panels 13, 23 on which pictures, paintings and the like are printed are attached to the openings and frames 14, 24 of left and right display parts 11, 21 are constituted of plurality of colors. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
