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公开(公告)号:US5812241A
公开(公告)日:1998-09-22
申请号:US596383
申请日:1996-02-16
申请人: Manfred Doms , Ulrich Fischer
发明人: Manfred Doms , Ulrich Fischer
CPC分类号: A61B3/0285 , A61B3/04
摘要: A compact and precise phoropter of low requirements as to material and favorable as to kinematics comprises two observation channels in each of which a plurality of equal sized disks are rotatably and coaxially arranged about an axle, each of said disks being provided with a number of element sites where spherical lenses, cylindrical lenses, cross cylinders and further optically effective accessory elements are located. At least the cylindrical lenses are seated for rotation on said disks and are provided with first drive wheels, the diameters of the latter being substantially equal to the diameter of a second drive wheel rotatable with the axle and being associated to the respective disk. The diameters of the entire disks are determined by the diameters of the first and the second drive wheels and are at least three-fold the diameter of the first drive wheels.
摘要翻译: PCT No.PCT / DE94 / 00697 Sec。 371日期1996年2月16日 102(e)日期1996年2月16日PCT提交1994年6月17日PCT公布。 公开号WO95 / 05113 日期1995年2月23日对运动学材料和要求较低要求的紧凑精确的扫帚机包括两个观察通道,每个观察通道中的多个相等尺寸的盘围绕轴可旋转并同轴地布置,每个所述盘设置 具有多个元件部位,其中定位球面透镜,柱面透镜,十字形圆柱体和进一步光学有效的附件元件。 至少圆柱形透镜位于所述盘上以旋转,并且设置有第一驱动轮,后者的直径基本上等于可与轴一起旋转并与相应盘相关联的第二驱动轮的直径。 整个盘的直径由第一和第二驱动轮的直径决定,并且是第一驱动轮直径的至少三倍。