| 摘要 |
PROBLEM TO BE SOLVED: To provide a notice device using a screen available as an advertisement medium or a notice medium on a surface of glass wall. SOLUTION: The notice device 30 is composed of a screen 10, 20, a projector 31 and a control unit 40. The screen 10, 20 serves as a front screen and is installed as at least one section in the surface of glass wall of a building. The projector 31 is installed at a suitable position outside the building. An image, which is emitted from the projector 31 and projected onto the screen 10, 20, passes through a glass plate 5 and focuses on the side of the glass plate 5 of a resin absorbing paper 1, and thereby the display of the image is carried out. Accordingly, the image can be viewed from the projection surface of the screen 10, 20 facing outside the building. Therefore, people outside the building can view the image projected on the screen 10, 20.
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