| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent information left unerased from being seen by others. <P>SOLUTION: When charging is started, that is, an information display device is connected to a charger to be put into a non-use state, a rewrite operation is performed on a memorable display 13 to erase display contents. Therefore, displayed electronic data is prevented from being seen by others in the case that, for example, the information display device is returned to a rack with display contents left unerased and displayed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
