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Automatic focus optical device

阅读:870发布:2023-12-28

专利汇可以提供Automatic focus optical device专利检索,专利查询,专利分析的服务。并且PURPOSE:To simplify the constitution of an automatic focus optical device, and to improve its responsiveness by controlling the shape of an optical surface of an elastic body in accordance with a signal detected by a focusing state detecting means. CONSTITUTION:A transparent elastic body 3 is put into a cylindrical vessel 1 having a circular opening part 2, and the pressure is applied to the elastic body 3 through a movable part 4 consisting of a transparent parallel plate. In accordance with magnitude of the applied pressure, a part of the elastic body 3 is projects in the shape of a convex lens from the opening part 2, or sinks in the shape of a concave lens. A focusing state is detected by a focusing state detecting means, by which the pressure applied to the elastic body 3 is controlled in accordance with a detected signal, and a shape of an optical surface of the elastic body 3 is controlled.,下面是Automatic focus optical device专利的具体信息内容。

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