G - Physics – 02 – B
Patent
G - Physics
02
B
88/113
G02B 5/13 (2006.01) B29D 11/00 (2006.01) G02B 5/126 (2006.01)
Patent
CA 1150083
A RETROREFLECTOR PLATE AND A METHOD FOR ITS MANUFACTURE Abstract A retroreflector plate and a method for its manufacture are described. The retroreflector plates consist of a trans- parent plate with a reflective rear side, the front side of which comprises adjacently disposed, curved light incidence surfaces, and the rear side of which comprises adjacently disposed, curved reflection surfaces, in which case the optical axis of each individual light incidence surface coincides with the optical axis of a respective reflection surface. The retroreflector plates are distinguished by the fact that, when the light incidence surfaces or the reflection surfaces are projected perpendicular and parallel onto the plate surface, as the plane of hori- zontal projection, the outlines of the reflection surfaces comprise different surface content, when compared with each other and with the light incidence surfaces, or, the outlines of the light incidence surfaces and their respective reflection surfaces substantially comprise the same surface content, while having different contour shapes. The retroreflector plates are further distin- guished by the highest possible luminous values and at the same time by a wide angle range of reflection.
365514
George H. Riches And Associates
Swarovski (d.) & Co.
LandOfFree
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