| 摘要 |
<p>PROBLEM TO BE SOLVED: To effectively project advertisement videos using a projector. SOLUTION: This window advertisement electronic display formed by attaching a hologram film to one surface of a window pane and projecting the advertisement videos on the window pane by irradiating this film with the light of the projector, is characterized in that a touch panel is attached to the surface of the window pane to which the hologram film is not attached.</p> |
