| 摘要 |
FIELD: education. SUBSTANCE: device has detachable video camera which is connected to its holder and may be moved left and right, up and down, thus eliminating need in movement of source document when camera reads left, right, upper or bottom parts of document. In addition device has white board tool or panel for displaying of images from slides. EFFECT: possibility to give lectures and read source document without obstruction from device members, increased efficiency of education, low usage cost for educational purposes. 7 cl, 7 dwg
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