Included are a windup device, a screen mounted to the windup device so as to be drawn therefrom and housed therein, a stay mounted to a drawing-side edge of the screen, and a pair of arms each including a distal end portion connected to the stay so as to r...

The system has a transparent cylinder (11) provided with a LED, and a blind (12) providing a canvas (14) movable between a folded position and an unfolded position. The canvas, in the unfolded position, is interposed between the cylinder and a space to be ...