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    • 9. 发明专利
    • System for providing written matter using electronic blackboard
    • AU2117302A
    • 2002-06-11
    • AU2117302
    • 2001-11-30
    • LEE JAE-HAK
    • LEE JAE-HAK
    • G06F15/02G09B5/10
    • 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.
    • 10. 发明专利
    • Manless sensing system for overspeeding vehicle
    • AU2270602A
    • 2002-06-03
    • AU2270602
    • 2001-11-24
    • LEE JAE-HAK
    • LEE JAE-HAK
    • G08G1/00G08G1/054
    • The present invention relates generally to a manless sensing system for overspeeding vehicle for speed limit violation detection characterized by comprising: missing vehicle searching and detection through high-speed picture photographing and motion picture photographing; chassis serial number transmitter device to be loaded on vehicles; a guidance system device which is fired to transmit signal to activate remotely the chassis serial number transmitter device as stated above for chassis serial number retrieval; a chassis serial number signal receiving device; when an overspeeding vehicle is confirmed as stated above; motion picture photographing camera filming the vehicle for a specified period of time; the image saving and retrieving device to save and retrieve the motion picture data as stated above; the retrieved vehicle chassis serial number above through chassis vehicle chassis serial number is compared with the missing vehicle chassis serial number in the database; which if the serial numbers are matched then the corresponding missing vehicle is marked to be photographed by the camera stated above, which the motion picture is saved by the motion picture image data device.