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    • 2. 发明授权
    • Method for generating a trimming setpoint for an ophtalmic lens
    • 用于产生眼底透镜的修整设定点的方法
    • US08408701B2
    • 2013-04-02
    • US12876273
    • 2010-09-07
    • Jérémie BitonFrédéric DuboisDavid FresonEric Belloni
    • Jérémie BitonFrédéric DuboisDavid FresonEric Belloni
    • G02C13/00
    • G02C13/005B24B1/00B24B9/148
    • A method for generating a trimming setpoint for an ophthalmic lens to be fitted in a surround of a spectacle frame, includes: a) within a coordinate system of the surround identified by a horizontal axis, acquiring the shape of a longitudinal profile of the surround and the perimeter length of this longitudinal profile; b) within an optical coordinate system of the ophthalmic lens which is identified by a centering point and by a horizontal axis and which is made to coincide with the coordinate system of the surround, centering and orienting the longitudinal profile, c) projecting the acquired longitudinal profile onto a curved surface deduced from a curvature parameter of the ophthalmic lens or from the spectacle frame, d) correcting in two operations, the shape of the projected longitudinal profile, so as to equalize its perimeter length with the perimeter length of the acquired longitudinal profile, and e) deducing from the corrected longitudinal profile the trimming setpoint.
    • 一种用于产生用于配戴在眼镜架的环绕中的眼镜片的修整设定点的方法包括:a)在由水平轴线标识的环绕坐标系中,获取环绕的纵向轮廓的形状,以及 该纵向轮廓的周长; b)在由透镜的中心点和水平轴线所标识的眼镜片的光学坐标系中,使其与周围的坐标系对准,定心和定向纵向轮廓,c)将所获取的纵向 从眼镜片的曲率参数或眼镜框推断曲面,d)在两个操作中校正投影的纵向轮廓的形状,以便使其周长与所获取的纵向的周长长度相等 轮廓,e)从校正的纵向轮廓推导修剪设定点。
    • 3. 发明授权
    • Method for generating a trimming setpoint for an ophthalmic lens
    • 用于产生眼科镜片修剪设定点的方法
    • US08352065B2
    • 2013-01-08
    • US12875686
    • 2010-09-03
    • Frédéric DuboisDavid FresonEric Belloni
    • Frédéric DuboisDavid FresonEric Belloni
    • G06F17/50G06F19/00
    • G02C13/005B24B1/00B24B9/148
    • A method for generating a trimming setpoint for an ophthalmic lens for it to be mounted in a surround of a spectacle frame, includes: a) acquiring the shape of a first longitudinal profile of the surround, b) constructing, on a two-dimensional projection of the first longitudinal profile, at least two predetermined geometrical figures, by adjusting their dimensions to those of the two-dimensional projection, c) calculating differences between the two-dimensional projection of the first longitudinal profile and each of the predetermined geometrical figures, d) from the target geometrical figures, each of which has an associated trimming parameter, selecting the target geometrical figure that is closest to the first longitudinal profile according to the differences, e) calculating the trimming setpoint according to the shape of the first longitudinal profile and the trimming parameter associated with the selected target geometrical figure.
    • 一种用于生成用于安装在眼镜框的环绕中的眼镜片的修整设定点的方法包括:a)获取围绕物的第一纵向轮廓的形状,b)在二维投影上构造 通过将其尺寸调整到二维投影的尺寸,c)计算第一纵向轮廓和每个预定几何图形的二维投影之间的差异,d,第一纵向轮廓,至少两个预定几何图形 ),其中每个具有相关的修剪参数,根据差异选择最接近第一纵向轮廓的目标几何图形,e)根据第一纵向轮廓的形状计算修剪设定点,以及 与所选目标几何图形相关的修整参数。
    • 8. 发明授权
    • Method for determining a contour data set of spectacle frame rim
    • 确定眼镜框轮廓轮廓数据集的方法
    • US08381408B2
    • 2013-02-26
    • US12810956
    • 2008-12-23
    • Frédéric DuboisDavid Freson
    • Frédéric DuboisDavid Freson
    • G01B11/24G01B5/20G01B7/28
    • G02C13/003
    • A method for determining a contour data set of a spectacle frame rim comprising the steps of: a) providing a plurality (N) of three dimensional measured points along a contour of a spectacle frame rim; b) calculating a plurality of best torus that fits P points chosen among the N measured points and where P is equal or more than 4; c) selecting the (T) points among the N measured points that deviate from one of the best torus more than a threshold value; and d) forming the contour data set with (N-T) three dimensional measured points where the T selected points of step c) are excluded from the list of three dimensional measured points of step a).
    • 一种用于确定眼镜框边缘的轮廓数据集的方法,包括以下步骤:a)沿着眼镜框边缘的轮廓提供多个(N)个三维测量点; b)计算适合在N个测量点中选择的P个点的多个最佳环面,其中P等于或大于4; c)选择偏离最佳环面之一的N个测量点中的(T)点超过阈值; 以及d)用(N-T)三维测量点形成轮廓数据集,其中步骤c)的T选择点被从步骤a)的三维测量点的列表中排除。
    • 9. 发明申请
    • Method and device for moulding an optical lens, especially an ophthalmic lens
    • 用于模制光学透镜,尤其是眼用透镜的方法和装置
    • US20060267225A1
    • 2006-11-30
    • US10558404
    • 2004-06-09
    • David FresonJean-Francois Cailloux
    • David FresonJean-Francois Cailloux
    • B29D11/00
    • B29D11/00413Y10S425/808
    • A method includes the following steps: a first shell (12) is immobilized in a first shell carrier (6); a second shell (29) is immobilized in a second shell carrier (27); the first shell carrier (6) is oriented in such a way that a useful moulding surface of the first shell (12) faces upwards and forms the base of a vessel; a pre-determined quantity of polymerizable material is placed in the vessel; the first shell carrier (6) and the second shell carrier (27) are moved into a pre-determined relative position wherein the first shell (12) and the second shell (29) are in a pre-determined moulding position, by at least partially arranging the second shell (29) in the vessel, at a distance from the edges thereof. The inventive device includes a structure for positioning the shell carriers.
    • 一种方法包括以下步骤:将第一壳体(12)固定在第一壳体载体(6)中; 第二壳体(29)固定在第二壳体载体(27)中; 第一壳体载体(6)被定向成使得第一壳体(12)的有用的模制表面面向上并形成容器的基部; 将预定量的可聚合材料放置在容器中; 第一壳体载体(6)和第二壳体载体(27)被移动到预定的相对位置,其中第一壳体(12)和第二壳体(29)处于预定的模制位置,至少 将第二壳体(29)部分地布置在容器中与其边缘相距一定距离处。 本发明的装置包括用于定位壳体载体的结构。
    • 10. 发明授权
    • Method for determining the shape of the bevel of an ophthalmic lens
    • 用于确定眼科镜片的斜面形状的方法
    • US08388133B2
    • 2013-03-05
    • US12811078
    • 2008-12-23
    • David FresonFrédéric Dubois
    • David FresonFrédéric Dubois
    • G02C7/00G02C7/02G02C13/00
    • G02C13/003
    • A method for determining the shape of the bevel of an ophthalmic lens so as to have the ophthalmic lens fit a given spectacle frame, the method comprising the steps of: providing the three-dimensional (xi, yi, zi) internal profile of the groove of at least a rim of the spectacle frame expressed in the principal axes (Xf, Yf, Zf) of the spectacle frame and the length Pf of the periphery of the groove of the rim, providing the blocking point of the ophthalmic lens and the horizontal direction Xl of the ophthalmic lens, projecting the three-dimensional (xi, yi, zi) internal profile of the groove of the rim on the front face surface of the ophthalmic lens so as to obtain a three-dimension projected groove shape (xp, yp, zp), modifying the coordinates of each point of the two-dimensional groove shape (xp, yp) based on two correction coefficient, Rx for the coordinate xp and Ry for the coordinate yp, with Rx+Ry=1 so as to have the length Pp of the three-dimensional groove projected shape (xp, yp, zp) equal to the length Pf of the periphery of the internal profile of the groove of the rim.
    • 一种用于确定眼镜片的斜面的形状以使眼镜片适合给定的眼镜架的方法,所述方法包括以下步骤:提供凹槽的三维(xi,yi,zi)内部轮廓 至少在眼镜架的主轴(Xf,Yf,Zf)上表示的眼镜框的边缘和边缘的槽周边的长度Pf,提供眼镜片和水平镜的阻挡点 方向X1,将边缘的凹槽的三维(xi,yi,zi)内部轮廓投影在眼镜片的前表面上,以获得三维投影槽形状(xp, yp,zp),基于两个校正系数修改二维凹槽形状(xp,yp)的每个点的坐标,对于坐标yp的坐标xp和Ry,Rx + Ry = 1,以便 具有三维凹槽投影形状的长度Pp(xp ,yp,zp)等于边缘的槽的内部轮廓的周边的长度Pf。