| 摘要 |
<p>The present installation is intended to make the most of products and services of all kinds or bring the latter into favor by using a new form of display which is delay-controlled. The installation comprises a programmable timer (12) throughout 24 hours which allocates the functions day/night. During the day, the installation provides for the switching on of the photoelectric cell (9) of which the infrared beam is reflected by a reflector (14) which is mounted on a bus facing a bus-sheltered stop; the cell is connected to an electronic time delay (8) which switches on and off the light (2) with a certain timing during the day; when the light is switched on it is possible to see the poster which is inserted in a frame (10 and 16) and when it is switched off it enables the adhesiv film (1) to keep its mirror aspect. Another mirror (3) is arranged facing the frame (10) in order to reflect the image of the poster when the light is switched on. The present device is more particularly intended to all kinds of information and advertising panels as well as to bus-sheltered stops.</p> |
