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    • 17. 发明授权
    • Zoom lens system and image pickup apparatus including the same
    • 变焦透镜系统和包括其的摄像装置
    • US07982971B2
    • 2011-07-19
    • US12845304
    • 2010-07-28
    • Tomoyuki Nakamura
    • Tomoyuki Nakamura
    • G02B15/14
    • G02B15/177G02B27/0062
    • A zoom lens system includes, in order of from an object side to an image side: a first lens unit which does not move for zooming; a second lens unit moving during zooming; a third lens unit moving during zooming; and a fourth lens unit which does not move for zooming. The first lens unit includes a negative lens, a positive lens, a positive lens, and a positive lens, and when an Abbe number ν and a partial dispersion ratio θ of a material of the negative lens are denoted respectively by νn and θn, an average value of Abbe numbers ν and an average value of partial dispersion ratios θ of materials of the positive lenses are denoted respectively by νpa and θpa, and a refractive power of the negative lens is denoted by φn, the following expressions are satisfied: −1.75×10−3
    • 变焦透镜系统包括从物体侧到像侧的顺序:第一透镜单元,其不移动用于变焦; 在变焦期间移动的第二透镜单元; 在变焦期间移动的第三透镜单元; 以及不能进行变焦的第四透镜单元。 第一透镜单元包括负透镜,正透镜,正透镜和正透镜,并且当阿贝数&ngr; 和部分色散比率; 负透镜的材料分别由&ngr; n和&thetas表示; n,阿贝数的平均值&ngr; 和部分色散比的平均值; 正透镜的材料分别由&ngr; pa和&amp; t; pa表示,负透镜的屈光力由&phgr; n表示,满足以下表达式:-1.75×10-3 <(&Thetas; pa - &thetas; n)/(&ngr; pa-&ngr; n); 和9.1×10-3(1 / mm)<|&phgr; n |。
    • 20. 发明申请
    • Imaging Device, Imaging System and Photography Method of Image
    • 成像设备,成像系统和图像摄影方法
    • US20070296829A1
    • 2007-12-27
    • US11667763
    • 2005-11-15
    • Tomoyuki NakamuraTakahiro YanoMasatoshi OkutomiMasao Shimizu
    • Tomoyuki NakamuraTakahiro YanoMasatoshi OkutomiMasao Shimizu
    • H04N5/235
    • H04N5/232H04N5/2251H04N5/2625
    • The invention provides an imaging device, an imaging system and an image photography method which can construct an image having a higher resolution than a photographed image. The imaging device is constituted by an optical imaging unit 11 (an optical imaging means for imaging an image of a subject), an imaging unit 12 (a means for converting an image imaged optically into an image signal that is discretized spatially and is sampled), an image processing unit 15 (a means for generating a high-resolution image from image signals of multiple frames), a moving velocity detecting unit 13 (a means for detecting a status change of the imaging device itself), and an imaging timing deciding unit 14 (a means for deciding a imaging timing). The imaging device is constituted such as to construct the high-resolution image from an imaging element with a little number of the pixels.
    • 本发明提供一种成像装置,成像系统和图像摄影方法,其可以构造具有比拍摄图像更高的分辨率的图像。 成像装置由光学成像单元11(用于对对象的图像进行成像的光学成像装置),成像单元12(用于将光学成像的图像转换成空间离散化并被采样的图像信号的装置) ,图像处理单元15(用于从多帧的图像信号生成高分辨率图像的装置),移动速度检测单元13(用于检测成像装置本身的状态变化的装置)和成像定时决定 单元14(用于决定成像定时的装置)。 成像装置被构造成从具有少量像素的成像元件构造高分辨率图像。