| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a screen device which is more superior in portability and storing property than the conventional screen device, and a projector system including the screen device. Ž<P>SOLUTION: The screen device 1 includes a screen 100 composed of a bag-like member 10 which can be developed to a screen state in plan view by introducing gas G and can be folded by discharging the gas, and a housing box 200 having width L1 smaller than width L2 of the screen 100 and housing the screen 100 in a folded state of the screen 100. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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