| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic blackboard device, with a plurality of pages, which prevents information from leaking out caused by the failure to erase it and thereby, is designed to improve its utility. SOLUTION: This electronic blackboard device comprises a screen 1 on which a character/a drawing are entered; an erasure part 3 which erases the contents entered on the screen 1; an operating part 6 which can recognize a user by fingerprint and a control part 5 which controls to check the leakage of information due to the failure to erase it, utilizing the function of user recognition. COPYRIGHT: (C)2005,JPO&NCIPI
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