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    • 6. 发明授权
    • Visual aid in the form of telescopic spectacles with an automated focusing device
    • 具有自动对焦装置的伸缩眼镜形式的视觉辅助
    • US07286287B1
    • 2007-10-23
    • US09889895
    • 2000-11-23
    • Anton Gerald Ofner
    • Anton Gerald Ofner
    • G02B23/00
    • G02B7/002G02B5/30G02B25/004G02B27/017G02B27/0172G02B27/0176G02B2027/0132G02C7/088
    • A vision aid in the form of telescopic spectacles has two lens systems, which each comprise at least one objective lens (70) and one eyepiece (71). An autofocussing element which changes the focal length of the lens systems for sharp focussing thereof according to the distance of the telescopic spectacle from the object is assigned to the lens systems. Furthermore, an element for changing the magnification factor by changing the focal length of the lens systems (“zoom”) and finally an element for matching the parallax between the lens systems of the vision aid to the focal length which has been set according to the distance of the telescopic spectacles from the object are assigned to the lens systems. The parallax is adapted using adjustable optical elements (11) which are located in the beam path of the lens systems, with which elements the angle (13) between the beam paths (14) running from the lens systems (1) to the object can be changed.
    • 伸缩眼镜形式的视力援助具有两个透镜系统,每个透镜系统包括至少一个物镜(70)和一个目镜(71)。 将透镜系统的焦距改变为根据伸缩眼镜与物体的距离进行锐利聚焦的自动聚焦元件被分配给透镜系统。 此外,通过改变透镜系统的焦距(“缩放”)以及最后将视觉辅助的透镜系统之间的视差匹配的元件与根据 将伸缩眼镜与物体的距离分配给透镜系统。 使用位于透镜系统的光束路径中的可调节光学元件(11)来适应视差,利用该元件,从透镜系统(1)延伸到物体的光束路径(14)之间的角度(13)可以 改变。