| 摘要 |
<p>The present invention relates generally to electronic blackboard characterized for providing written contents in memory of a lecturer in a lecture digitalized by optical character recognition to be saved on recording medium therefore to be provided through online and offline manners. According to the present invention, the written contents is converted to digital data which can be stored and transmitted via internet network, the digitalized data can be distributed targeting the audience from educational broadcasting station, or it can be distributed by record medium like floppy disk or CD-ROM. Therefore, the audience can access the data at any time besides given lecture times to watch lecture contents of a desired date through recording medium or by downloading the contents, by generalization of the electronic blackboard, the lecture contents from schools and companies can be downloaded and reproduced at home or in the office, making possibility for remote educational proposes to be more convenient than conventional video conference system, and the lecturer don't need to previously prepare for the lecture contents.</p> |
