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    • 8. 发明申请
    • HIGH PRECISION ELECTRONIC CAMERA AND ITS CONTROL METHOD
    • 高精度电子摄像机及其控制方法
    • WO1996027980A1
    • 1996-09-12
    • PCT/JP1995000357
    • 1995-03-06
    • HITACHI, LTD.OOSAKA, IchirouTODAKA, YoshihiroMURAKAMI, ToshioSANO, Kenji
    • HITACHI, LTD.
    • H04N05/232
    • H04N5/2259H04N5/349
    • A device capable of changing the optical axis of an incident beam, such as a variable-apex prism (2), is disposed in an optical system of an electronic camera. When driven by an actuator (11), the variable-apex prism (2) changes the optical axis of the incident beam and guides light, which would be incident to opaque portions (21) between openings (20) of a CCD (3), into openings (20). The actuator (11) is controlled in such a manner that the direction of the optical axis sequentially changes, and the CCD (3) produces electrical signals from light incident to virtual openings (22) assumed to be in a plurality of positions on the opaque portions (21). An image memory stores a plurality of frames of image data outputted from the CCD (3). A signal processing circuit (8) combines these frames of image data and outputs one high-definition image having a greater number of pixels than that of the CCD (3) used.
    • 能够改变诸如可变顶点棱镜(2)的入射光束的光轴的装置设置在电子照相机的光学系统中。 当由致动器(11)驱动时,可变顶点棱镜(2)改变入射光束的光轴并引导入射到CCD(3)的开口(20)之间的不透明部分(21)的光, ,进入开口(20)。 控制致动器(11)的方式使得光轴的方向顺序地变化,并且CCD(3)产生电信号,该光从入射到假想开口(22)的光被假设为在不透明的多个位置 部分(21)。 图像存储器存储从CCD(3)输出的多个图像数据帧。 信号处理电路(8)将这些帧图像数据组合并输出具有比使用的CCD(3)的像素数更多的像素数的一个高分辨率图像。