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    • 6. 发明授权
    • Lens-frame moving mechanism
    • 镜框移动机构
    • US08891175B2
    • 2014-11-18
    • US13554173
    • 2012-07-20
    • Hiroshi Nomura
    • Hiroshi Nomura
    • G02B15/14G02B7/08G02B7/10
    • G02B7/102G02B7/08G02B7/10
    • A lens-frame moving mechanism includes a lens frame guided to move between a ready-to-photograph position and a retracted position, the lens frame being biased forwardly by a biaser; an intermediate linearly movable member, wherein the lens frame contacts the intermediate linearly movable member; a leading screw formed on the drive shaft of a motor; a nut member screw-engaged onto the leading screw, wherein the nut member does not rotate relative to the lens frame and moves the intermediate linearly movable member in the optical axis direction; and a rearwardly-movable member which rearwardly moves the lens frame against the biasing force such that the lens frame moves away from the intermediate linearly movable member in the optical axis direction while the lens frame is moved from the ready-to-photograph position to the retracted position.
    • 透镜框架移动机构包括被引导以在准备照相位置和缩回位置之间移动的透镜框架,透镜框架被偏移器向前偏置; 中间线性可移动构件,其中所述透镜框架接触所述中间线性可移动构件; 形成在电动机的驱动轴上的导螺杆; 螺母接合到所述引导螺杆上,其中所述螺母构件不相对于所述透镜框架旋转并沿所述光轴方向移动所述中间线性可移动构件; 以及向后移动的构件,其抵抗偏压力向后移动透镜框架,使得透镜框架在光轴方向上远离中间线性可移动构件移动,同时透镜框架从准备就绪位置移动到 缩回位置。
    • 8. 发明申请
    • IMAGE CALCULATION METHOD
    • 图像计算方法
    • US20120212743A1
    • 2012-08-23
    • US13236037
    • 2011-09-19
    • Masanori TAKAHASHIHiroshi Nomura
    • Masanori TAKAHASHIHiroshi Nomura
    • G01J4/00
    • G01J4/04
    • The embodiments relate to a method of calculating an image for simulating by calculation an image imaged by a projection optical system. In this method, a Stokes vector showing a characteristic of an illumination light is acquired first. Next, this Stokes vector is divided into a polarized light component vector and a non-polarized light component vector. The polarized light component vector is divided into a first coherent component vector and a first non-coherent component vector. The non-polarized light component vector is divided into a second coherent component vector and a second non-coherent component vector. Then, imaging calculation is performed at least for the first coherent component vector and the second coherent component vector, respectively.
    • 实施例涉及一种计算图像的方法,用于通过计算模拟由投影光学系统成像的图像。 在该方法中,首先获得表示照明光的特性的斯托克斯矢量。 接下来,该斯托克斯矢量被分为偏振光分量矢量和非偏振光分量矢量。 偏振光分量矢量被分成第一相干分量矢量和第一非相干分量矢量。 非偏振光分量矢量被分成第二相干分量矢量和第二非相干分量矢量。 然后,至少对于第一相干分量矢量和第二相干分量矢量分别执行成像计算。
    • 9. 发明授权
    • Retractable zoom lens having a variable aperture-stop mechanism
    • 具有可变孔径停止机构的伸缩变焦镜头
    • US08199417B2
    • 2012-06-12
    • US12817239
    • 2010-06-17
    • Hiroshi Nomura
    • Hiroshi Nomura
    • G02B9/08
    • G02B7/10G02B5/005G03B9/24G03B17/04
    • A zoom lens includes a variable aperture-stop mechanism positioned in front or behind an aperture-control lens group; a first rotation imparting member, which rotates an opening/closing ring of the variable aperture-stop mechanism by a relative movement between the variable aperture-stop mechanism and the first rotation imparting member in the optical axis direction so as to hold an adjustable aperture of the variable aperture-stop mechanism at a small aperture size when the aperture-control lens group moves within in the zooming range; and a second rotation imparting member, which rotates the opening/closing ring by a relative movement between the variable aperture-stop mechanism and the second rotation imparting member to open and hold the adjustable aperture at a large aperture size when the aperture-control lens group moves to the accommodated position, at which the aperture-control lens group is partly positioned in the adjustable aperture held at the large aperture size.
    • 变焦镜头包括位于光圈控制透镜组前面或后面的可变孔径光阑机构; 第一旋转赋予构件,其通过所述可变孔径限制机构和所述第一旋转赋予构件之间在光轴方向上的相对运动来旋转所述可变孔径限制机构的打开/关闭环,以便保持 当光圈控制透镜组在变焦范围内移动时,具有小孔径尺寸的可变光阑停止机构; 以及第二旋转赋予构件,其通过所述可变孔径限制机构和所述第二旋转赋予构件之间的相对运动使所述开闭环旋转,以在所述孔径控制透镜组 移动到容纳位置,在该位置处,光圈控制透镜组部分地位于以大孔径尺寸保持的可调节光圈中。
    • 10. 发明授权
    • Mechanism for controlling position of optical element
    • 控制光学元件位置的机构
    • US08041204B2
    • 2011-10-18
    • US12263710
    • 2008-11-03
    • Hiroshi Nomura
    • Hiroshi Nomura
    • G03B17/00
    • G02B7/021G02B7/026
    • An optical element position control mechanism includes an optical element holding member which holds an optical element of a photographing system; an advancing/retracting movement guide member which guides the optical element holding member in an optical axis direction of the photographing system to be movable in the optical axis direction; and a biasing device including an arm, the arm being swingable about a swing axis which is substantially orthogonal to the optical axis and being engaged with the optical element holding member. The biasing device simultaneously exerts via the arm both a biasing force in a direction of movement of the optical element holding member that is guided by the advancing/retracting movement guide member and a biasing force in a direction orthogonal to the direction of movement of the optical element holding member on the optical element holding member.
    • 光学元件位置控制机构包括:保持拍摄系统的光学元件的光学元件保持部件; 前进/后退移动引导构件,其将所述光学元件保持构件沿所述拍摄系统的光轴方向引导为能够在所述光轴方向上移动; 以及包括臂的偏置装置,所述臂能够围绕基本上垂直于所述光轴并且与所述光学元件保持构件接合的摆动轴线摆动。 偏置装置同时通过臂施加由前进/后退运动引导构件引导的光学元件保持构件的移动方向上的偏置力和与光学元件的移动方向正交的方向的偏置力 元件保持构件。