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    • 9. 发明授权
    • Imaging optical system
    • 成像光学系统
    • US06288767B1
    • 2001-09-11
    • US09698066
    • 2000-10-30
    • Akiko MurataKatsuya Ono
    • Akiko MurataKatsuya Ono
    • G02F113
    • G02F1/29A61B1/0019G02B23/243G02F1/1313G02F1/133371G02F2001/294G02F2203/28
    • An imaging optical system includes a liquid crystal lens including a first body formed of a substantially transparent birefringent liquid crystal member, a second body formed of a substantially transparent birefringent liquid crystal member, and two pairs of electrodes for adding an electric field or a magnetic field onto the first body and the second body. A rear face of the first body is aligned perpendicular to a front face of the second body, the first body and the second body have substantially symmetrical shape against a plane perpendicular to an optical axis and a plurality of optical elements are arranged front and after the liquid crystal lens. The liquid crystal lens has two distinct focal points. The system automatically switches between these focal points, based on the position of the lens with respect to the object being observed.
    • 成像光学系统包括:液晶透镜,包括由基本上透明的双折射液晶部件形成的第一主体,由基本上透明的双折射液晶部件形成的第二主体和用于添加电场或磁场的两对电极 到第一个身体和第二个身体。 第一主体的后表面垂直于第二主体的正面对齐,第一主体和第二主体相对于垂直于光轴的平面具有基本上对称的形状,并且多个光学元件被布置在前面和后面 液晶镜头。 液晶透镜有两个不同的焦点。 该系统根据透镜相对于被观察物体的位置自动地在这些焦点之间切换。