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    • 11. 发明授权
    • Optical apparatus
    • 光学仪器
    • US07269344B2
    • 2007-09-11
    • US10775340
    • 2004-02-11
    • Kimihiko NishiokaKentaro Sekiyama
    • Kimihiko NishiokaKentaro Sekiyama
    • G03B13/36G03B17/00
    • G02B17/0896G02B13/0045G02B13/0055G02B13/006G02B13/0065G02B13/007G02B13/0075G02B13/009G02B17/08G02B21/361G02B26/06G02B26/0825G02B27/0068H04N5/2254H04N5/23296
    • An optical apparatus has an imaging optical system provided with a deformable mirror and an electronic zoom function that an image recorded in an image sensor by the imaging optical system is magnified by image processing. A ray deflecting function of the deformable mirror is changed in accordance with a change of an object area corresponding to an image to be used, and aberration of the imaging optical system is optimized. The deformable mirror is controlled by an arithmetical unit connected to an image processor and a driving circuit. The electronic zoom is performed with respect to the image recorded in the image sensor through a signal processing circuit and the image processor, and when the image is displayed on a display device, the deformable mirror is deformed so that sharpness at nearly the center of an object image formed on the image sensor is improved. This offers the optical apparatus in which a compact design is achieved, the magnification of the optical system can be changed, and the sharpness of the image is high even when a variable magnification ratio is increased.
    • 光学装置具有设置有可变形反射镜和电子变焦功能的成像光学系统,其中通过图像处理放大由成像光学系统记录在图像传感器中的图像。 可变形反射镜的射线偏转功能根据与要使用的图像对应的物体区域的变化而改变,并且成像光学系统的像差被优化。 可变形反射镜由连接到图像处理器和驱动电路的算术单元控制。 相对于通过信号处理电路和图像处理器记录在图像传感器中的图像执行电子变焦,并且当图像显示在显示装置上时,可变形反射镜变形,使得可接近于中心的锐度 改善了形成在图像传感器上的物体图像。 这提供了其中实现了紧凑设计的光学装置,即使可变放大率增加,也可以改变光学系​​统的放大倍数,并且图像的清晰度高。
    • 12. 发明授权
    • Optical device
    • 光学装置
    • US07031071B2
    • 2006-04-18
    • US10413209
    • 2003-04-15
    • Kimihiko Nishioka
    • Kimihiko Nishioka
    • G02B15/14
    • G02B7/102
    • An optical apparatus includes an optical system for performing variable power by one lens group or integrated lens groups; a variable optical-characteristic element; a drive circuit for driving the variable optical-characteristic element; and a picture element, wherein the apparatus is constructed by providing a predetermined resolution chart with a known distance, feeding drive information to the variable optical-characteristic element in accordance with the distance, photographing images of the resolution chart, and adjusting and fixing the position of the picture element so as to substantially maximize the contrast of the images.
    • 光学装置包括:用于通过一个透镜组或集成透镜组来执行可变功率的光学系统; 可变光学特征元件; 用于驱动可变光学特征元件的驱动电路; 以及图像元素,其中,所述装置通过提供具有已知距离的预定分辨率图来构造,根据所述距离向所述可变光学特征元素馈送驱动信息,拍摄所述分辨率图的图像,以及调整和固定所述位置 以便基本上使图像的对比度最大化。
    • 14. 发明申请
    • Optical apparatus
    • 光学仪器
    • US20050036195A1
    • 2005-02-17
    • US10887925
    • 2004-07-12
    • Kimihiko Nishioka
    • Kimihiko Nishioka
    • G02C7/06G02B3/14G02B5/06G02B5/08G02B5/10G02B5/18G02B7/08G02B15/00G02B17/08G02B26/00G02B26/08G02F1/13G02F1/1334G03B17/17H04N5/225
    • G02B3/14G02B26/0825
    • An optical system having a deformable mirror is such that, in order to minimize variation of an image position on an imaging plane, or of a ray position, in at least two states where shapes of the deformable mirror are different, first- and lower-order terms of an equation expressing a surface of the deformable mirror are changed in the two states. As a result, an optical system including variable optical-property elements such as a variable focal-length lens, a deformable mirror, and a variable prism, and an optical apparatus having the optical system can be provided which is small in power consumption, noiseless, short in response time, simple in mechanical structure, and low in cost, minimize variation of the image position on the imaging plane, and permits sufficient correction for aberration caused by a shape error or the like.
    • 具有可变形反射镜的光学系统使得为了使可变形反射镜的形状不同的至少两个状态中的成像平面或射线位置上的图像位置的变化最小化, 表达可变形反射镜的表面的方程式的阶次项在两种状态下改变。 结果,可以提供包括可变焦距透镜,可变形反射镜和可变棱镜等可变光学特性的光学系统和具有光学系统的光学装置,其功耗小,无噪声 响应时间短,机械结构简单,成本低,使得成像平面上的图像位置的变化最小化,并且能够对形状误差等引起的像差进行充分的校正。
    • 19. 发明授权
    • Imaging system having a blurring optical element for minimizing moire
phenomenon
    • 成像系统具有用于最小化莫尔现象的模糊光学元件
    • US5121213A
    • 1992-06-09
    • US511356
    • 1990-04-12
    • Kimihiko Nishioka
    • Kimihiko Nishioka
    • G02B27/00G02B27/46H04N5/225H04N5/335H04N5/357H04N9/07
    • G02B27/0025G02B23/26H04N5/2254
    • An image pickup device using a solid-state image sensor adapted to provide an optical component having a multiple curved surface, polyhedral surface, symmetric cylindrical surface, axially symmetric aspherical surface or asymmetric refracting surface in an objective lens system, or lengthen a shape of an image formed on an exit end face of an illuminating optical system in a direction parallel to a scanning direction of the solid-state image sensor, or select an angle made by a line segment connecting between the centers of individual exit end faces of two illuminating optical systems with the scanning direction of the solid-state image sensor to .+-.40.degree. or less, or extend a shape of an aperture of a stop in a direction parallel to the scanning direction of the solid-state image sensor, in order to make it possible to fabricate the device in a small size and at a low cost and eliminate moire and false color without reducing resolving power.
    • 一种使用固态图像传感器的图像拾取装置,其适于提供在物镜系统中具有多个弯曲表面,多面体表面,对称圆柱形表面,轴向对称非球面或不对称折射表面的光学部件,或者延长 在平行于固体摄像元件的扫描方向的方向上形成在照明光学系统的出射端面上的图像,或者选择由连接在两个照明光学系统的各个出射端面的中心之间的线段形成的角度 将固态图像传感器的扫描方向的系统设置为+/- 40°以下,或者在与固体摄像元件的扫描方向平行的方向上延伸光阑的形状,以便 使得可以以小尺寸和低成本制造该装置,并且消除莫尔条纹和假色,而不降低分辨率。