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    • 53. 发明公开
    • METHOD OF AND APPARATUS FOR GENERATING A SURFACE OF AN OPTICAL LENS
    • 的方法和装置产生光学透镜的表面
    • EP2449420A1
    • 2012-05-09
    • EP10726517.5
    • 2010-06-29
    • Essilor International (Compagnie Générale d'Optique)
    • ALLIONE, PascalMURADORE, FabienBROUNS, Jordan
    • G02C7/02
    • G02C7/061G02C2202/08
    • A method of generating a target surface (I) of an optical lens for the manufacture of the optical lens according to optical lens parameters (II), the method comprising: providing a set of
      L first surface difference data E(λ
      j ) each first surface difference data E(λ
      j ) corresponding to the surface difference between a pre-calculated surface (III) and an initial surface (IV), from which the target surface will be generated, according to the expression: (V) where λ
      j
      (j = 1,..., L ) correspond to the optical lens parameters of the pre-calculated optical lenses; providing a set of second surface difference data (VI) corresponding to the surface difference between the target optical surface (I) and the initial surface (VII) by linear interpolation of the first surface difference data E(λ
      j ) according to the expression: (VIII), where (IX) represents an interpolation coefficient; and; determining the target surface (I) by combining the second surface difference data (vi) and the initial surface(VII) according to the expression: (X).
    • 产生光学透镜的目标表面S(»)雅丁到光学透镜参数的方法”,所述方法包括:提供一组L第一表面差分数据E(A j)的每一个第一表面差分数据E(A j)条 对应于预先计算的表面S之间的表面差 '±“Ĵ¢J = 1焦耳电脑,€|,L与初始表面S' ĴINI J = 1,€|,L,从所述目标表面 将生成,雅丁表达式:E “J = S” ĴPC±»的J - S“ĴINI J = 1,€|,L其中”Ĵ(J = 1,...,L)对应于 预先计算的光学透镜的光学透镜参数; 由第一表面差分数据E的线性内插提供对应于目标光学表面S(»)之间的表面差的一组第二表面差分数据E的(»)和初始面S»€¾INI(»j)的gemäß 到表达式:电子Ü»€t R =“J = 1升WJ»€¢¾E “j,其中WJ” darstellt到内插系数; 和; 确定性挖掘目标表面S(»)由第二表面差分数据E(»)和inital面S»€¾INI雅丁组合以表达:SÜ»€¾= EÜ»€¾+ S»€¾INI