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    • 2. 发明授权
    • Adjustable magnifying apparatus and method for viewing video or computer screens
    • 用于观看视频或计算机屏幕的可调节放大装置和方法
    • US06417894B1
    • 2002-07-09
    • US09063589
    • 1998-04-21
    • James A. GoffCarl FishermanHoward Scott RyanPaul Eric Carlson
    • James A. GoffCarl FishermanHoward Scott RyanPaul Eric Carlson
    • H04N572
    • G02B25/005G02B7/023G06F1/1609
    • The present invention is directed to an optical device and method for adjustably magnifying the visual displays on the screen of a computer monitor or the like, the invention comprising an adjustable arm for supporting at least one magnifying lens in front of the monitor, which adjustable arm is attached to a stationary support independent of an operator's body. The adjustable arm for supporting the magnifying lens between the viewer of the screen and the screen of the computer monitor is movable in a substantially axial and vertical direction with respect to the computer screen, so that the magnifying lens can be adjustably positioning to a desired position relative to said screen. The invention is especially useful for helping presbyopic computer operators to more clearly see the visual displays on the screen. A second embodiment of the invention further comprises a second lens that can be used to view a document held next to the monitor.
    • 本发明涉及一种用于可调节地放大计算机监视器等的屏幕上的视觉显示的光学装置和方法,本发明包括一个用于在监视器前面支撑至少一个放大透镜的可调节臂,该可调臂 独立于操作人员的身体附接到固定支架。 用于在屏幕的观察者和计算机监视器的屏幕之间支撑放大镜的可调节臂可在相对于计算机屏幕的大致轴向和垂直方向上移动,使得放大镜可以可调节地定位到期望的位置 相对于所述屏幕。 本发明对于帮助老花眼计算机操作者更清楚地看到屏幕上的视觉显示特别有用。 本发明的第二实施例还包括第二透镜,其可用于观察保持在监视器旁​​边的文件。