| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection device which has the function of a normal projection TV and a function to project a picture on a large screen in the dark. SOLUTION: The projection device 10 is provided with a small rear screen 16 on which an image is projected from the rear side, a large roll screen 30 on which the image is projected, a housing part 32 to house the roll screen 30 and a projection unit 12 to switch projection places. The projection device 10 is further provided with shaft members 26A and 26B provided at both sides of the rear screen 16, and arms 28A and 28B held turnably by the shaft members 26A and 26B, respectively. The housing part 32 is vertically held at the tip part of the arm 28. Thereby, the projection device projects the image on the small rear screen 16, and on the large roll screen 30. Thus, one set of projection device can performs two kinds of displays.
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