Method of observing presentation sequences during relative motion - involves moving pictorial presentations or observer along travelling path

摘要

The individual presentations (14) and the observer are in relative motion and mutually spaced along a travelling path, such as a railway track (11). The presentations differ only slightly in their sequential order. The observer sits in an underground train (12). The presentations may be secured to a track bounding wall, such as an underground tunnel. The presentations are typically two-dimensional. They may be parallel or orthogonal to the track, or at a suitable angle. USE/ADVANTAGE - For passenger information, directions etc., with rapid passenger information.