| 摘要 |
PROBLEM TO BE SOLVED: To acquire and preserve writing on a projected image on a screen. SOLUTION: The projector device 10 is equipped with a projection part 100 projecting the projected image inputted from an external PC 30 to the screen 40, an image pickup part 140 image-picking up the screen 40 and generating a picked-up image, and a writing storage part 160 storing the writing directly written on the screen 40 in accordance with the projected image based on the picked-up image generated by the image pickup part 140. It is good that the projector device 10 is equipped with a writing reproducing part 180 reproducing the writing stored in the storage part 160 and projecting it to the screen 40 by using the projection part 100. COPYRIGHT: (C)2005,JPO&NCIPI
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