G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/10 (2006.01) G02B 7/18 (2006.01) G02B 7/185 (2006.01)
Patent
CA 2346981
A convex or spherical mirror is formed by securing a sheet of flexible reflective material to one side of a base sheet at least as large as the reflective surface of the mirror; the curvature of the mirror is achieved by a tensioning system secured across the other side of the base sheet; the tensioning system consists of means such as tensioning bars for curving the base about either or both of two mutually perpendicular axes in the plane of the base.
La présente invention concerne un miroir convexe ou sphérique, formé en fixant une feuille de matériau flexible réfléchissant sur la première face d'une feuille de base au moins aussi grande que la surface de réflexion du miroir. En outre, on réalise la courbure du miroir au moyen d'un système de contrainte fixé sur l'autre face de la feuille de base. Ce système de contrainte comporte des dispositifs tels que des barres de contrainte qui permettent de courber la base autour du premier et/ou du second axe réciproquement perpendiculaires sur le plan de la base.
Bennett Alastair William
Dolby Robert Ian
Bennett Mirror & Glass Co. Limited
Bereskin & Parr
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