| 摘要 |
<p>TITLE RADIANT ENERGY REFLECTING STRUCTURES Radiant energy reflecting structures are described which are elongate and which have a plurality of reflecting elements on or in their surface. Each reflecting element has a "major axis" of reflection (the term "major axis" is defined in this specification) and a feature of the reflecting structures is that the direction of the "major axis" varies progressively with the transverse position of a reflecting element on the structure. The reflecting surfaces of the reflecting elements may be formed as corrugated, elongate, planar reflectors. Alternatively they may be formed as a known form of retro-reflective surface construction. Preferably, the reflecting surfaces are overlaid with a transparent medium. The structures may be used to construct louvred radiant energy screens.</p> |
