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    • 94. 发明授权
    • Linear guide mechanism of lens barrel
    • 镜筒直线导轨机构
    • US08294995B2
    • 2012-10-23
    • US12821496
    • 2010-06-23
    • Hiroshi Nomura
    • Hiroshi Nomura
    • G02B15/14
    • G02B7/10G03B17/04
    • A linear guide mechanism of a lens barrel, the lens barrel including a rotatable ring, and a linearly movable member which holds an optical element and moves linearly in an optical axis direction by rotation of the rotatable ring, the linear guide mechanism includes a plurality of partial linear guide members which linearly guide the linearly movable member in the optical axis direction. A movement range of the linearly movable member in the optical axis direction is shared by a plurality of different movement ranges, via which the linearly movable member is linearly guided in the optical axis direction by the plurality of partial linear guide members, respectively.
    • 镜筒的线性引导机构,包括可旋转环的镜筒,以及保持光学元件并通过旋转环的旋转沿光轴方向线性移动的直线运动构件,线性引导机构包括多个 局部线性引导构件,其在光轴方向上线性地引导线状可动构件。 直线运动部件的光轴方向的移动范围由多个不同的运动范围共用,线状运动部件通过多个不同的运动范围分别由多个部分线性引导部件沿光轴方向直线地引导。
    • 96. 发明授权
    • Retractable zoom lens
    • 伸缩变焦镜头
    • US08059953B2
    • 2011-11-15
    • US12793031
    • 2010-06-03
    • Hiroshi Nomura
    • Hiroshi Nomura
    • G03B7/00G03B5/02G03B9/02G03B9/08H04N5/238G02B15/14G02B9/08
    • G03B7/003G02B7/102G03B7/00
    • A zoom lens includes a zoom optical system including movable lens groups for zooming which are moved between a ready-to-photograph position and an accommodated position, a diaphragm mechanism, and a lens shutter. One of the movable lens groups serves as an aperture-control lens group. The diaphragm mechanism and the lens shutter are positioned in front of and behind the aperture-control lens group and are movable relative to the aperture-control lens group in the optical axis direction. The diaphragm and the lens shutter are moved to close positions to the aperture-control lens group when the movable lens groups are moved to the accommodated position. Both apertures of the diaphragm mechanism and of the lens shutter are widely opened to allow the aperture-control lens group to partly enter the apertures when the diaphragm mechanism and the lens shutter are moved to the close positions.
    • 变焦镜头包括变焦光学系统,该变焦光学系统包括在准备照相位置和收纳位置之间移动的用于变焦的可移动透镜组,光阑机构和透镜快门。 一个可移动透镜组用作光圈控制透镜组。 光阑机构和透镜快门位于光圈控制透镜组的前面和后面,并且可相对于光阑控制透镜组在光轴方向上移动。 当可移动透镜组移动到收纳位置时,光阑和透镜快门移动到关闭位置到光圈控制透镜组。 当光阑机构和透镜快门移动到关闭位置时,光阑机构和透镜快门的两个孔被广泛打开以允许孔径控制透镜组部分地进入孔。
    • 97. 发明授权
    • Optical axis correction apparatus of an imaging device, and optical axis correction method for an imaging device
    • 一种成像装置的光轴校正装置和用于成像装置的光轴校正方法
    • US08019209B2
    • 2011-09-13
    • US11536960
    • 2006-09-29
    • Hiroshi NomuraShinichi Kakiuchi
    • Hiroshi NomuraShinichi Kakiuchi
    • G03B17/00
    • G03B17/00
    • An optical axis correction apparatus of an imaging device, the imaging device including an imaging optical system having a plurality of optical elements, and an optical element position changing device which changes a relative position among the optical elements to vary a state of an object image formed thereby, the optical axis correction apparatus including an optical element moving device which moves at least one of the optical elements in a plane orthogonal to an optical axis; a memory which stores data relating to a deviation of the object image position in directions orthogonal to the optical axis, the deviation occurring when the optical element position changing device changes the relative position among the optical elements; and an object image position correction controller which drives the optical element moving device based on the data stored in the memory to correct said deviation of the object image position.
    • 一种成像装置的光轴校正装置,所述成像装置包括具有多个光学元件的成像光学系统,以及改变所述光学元件之间的相对位置以改变形成的物体图像的状态的光学元件位置改变装置 由此,光轴校正装置包括:光学元件移动装置,其在与光轴正交的平面中移动至少一个光学元件; 存储器,存储与光轴正交的方向上的对象图像位置的偏离的数据,当光学元件位置改变装置改变光学元件之间的相对位置时发生的偏差; 以及对象图像位置校正控制器,其基于存储在存储器中的数据来驱动光学元件移动装置,以校正所述对象图像位置的偏差。
    • 98. 发明授权
    • Retractable zoom lens having variable aperture-stop mechanism
    • 具有可变孔径停止机构的伸缩变焦镜头
    • US08014660B2
    • 2011-09-06
    • US12795062
    • 2010-06-07
    • Hiroshi Nomura
    • Hiroshi Nomura
    • G03B17/04
    • G02B7/102G03B9/06
    • A zoom lens includes a movable aperture-control lens group, and a variable aperture-stop mechanism provided in front or behind the aperture-control lens group. The variable aperture-stop mechanism includes an aperture blade opening/closing mechanism including at least one movable aperture blade and varies the size of an adjustable aperture. The variable aperture-stop mechanism includes a fixed circular aperture which is smaller than a large-sized adjustable aperture and greater than a small-sized adjustable aperture. The movable aperture blade and the fixed circular aperture are positioned in that order from the aperture-control lens group side. When the zoom lens retracts to the accommodated position thereof, the adjustable aperture enlarges in size while the variable aperture-stop mechanism moves to a close position to the aperture-control lens group, so that at least part of the aperture-control lens group enters the large-size adjustable aperture.
    • 变焦镜头包括可移动光圈控制透镜组,以及设置在光圈控制透镜组前面或后面的可变孔径光阑机构。 可变孔径停止机构包括孔径叶片打开/关闭机构,其包括至少一个活动孔径叶片并且改变可调节孔径的尺寸。 可变光阑停止机构包括固定的圆形孔径,该固定圆形孔径小于大尺寸可调节孔径并且大于小尺寸可调节孔径。 可动孔径叶片和固定圆形孔径从孔径控制透镜组侧按照该顺序定位。 当变焦镜头缩回到其容纳位置时,可调节孔径在可变光阑停止机构移动到光圈控制透镜组的关闭位置时尺寸增大,使得至少一部分光圈控制透镜组进入 大尺寸可调孔径。
    • 99. 发明授权
    • Imaging device
    • 成像设备
    • US07860383B2
    • 2010-12-28
    • US12401725
    • 2009-03-11
    • Hiroshi NomuraShinya SuzukaTakamitsu SasakiKen EndoToshiharu SuzukiKazunori Ishizuka
    • Hiroshi NomuraShinya SuzukaTakamitsu SasakiKen EndoToshiharu SuzukiKazunori Ishizuka
    • G03B17/00
    • G02B27/646G03B5/00G03B17/04G03B17/12G03B2205/0007
    • An imaging device includes an axial-direction moving member which moves between an operating position and a retracted position in an optical axis direction, an in-plane moving optical element movable in a plane orthogonal to the optical axis, a controller which moves the in-plane moving optical element in the orthogonal plane to a reference position when the image device changes from the operating state to the retracted state, and a mechanical guide device, provided between the axial-direction moving member and the in-plane moving optical element. In a state where the in-plane moving optical element is deviated from the reference position, the mechanical guide device guides the in-plane moving optical element to the reference position by using a moving force of the axial-direction moving member when the axial-direction moving member moves from the operating position to the retracted position.
    • 一种成像装置,包括:沿着光轴方向在操作位置和缩回位置之间移动的轴向移动部件,在与光轴正交的平面中可移动的面内移动光学元件;控制器, 平面移动光学元件在图像装置从操作状态转换到缩回状态时在正交平面中到参考位置;以及机械引导装置,设置在轴向移动构件和平面内移动光学元件之间。 在面内移动光学元件偏离基准位置的状态下,机械引导装置通过使用轴向移动构件的移动力将面内移动光学元件引导到基准位置, 方向移动构件从操作位置移动到缩回位置。
    • 100. 发明授权
    • Light shielding structure of an optical device
    • 光学装置的遮光结构
    • US07835088B2
    • 2010-11-16
    • US12369231
    • 2009-02-11
    • Hiroshi NomuraTakamitsu SasakiKazunori IshizukaKunihiko Shimizu
    • Hiroshi NomuraTakamitsu SasakiKazunori IshizukaKunihiko Shimizu
    • G02B9/00
    • G02B7/102
    • A light shielding structure of an optical device, includes a plurality of optical elements arranged at different positions in an optical axis direction. The light shielding structure includes at least one annular light shielding member positioned between two of the optical elements to shield harmful light, and a plurality of springs held between the two optical elements to be resiliently deformable in the optical axis direction. The springs include at least two springs, one of which is held between one of the two optical elements and the annular light shielding member while the other of the two springs is held between the other of the two optical elements and the annular light shielding member. The annular light shielding member is supported between the two optical elements in a balanced state between the spring forces of the plurality of springs.
    • 光学装置的遮光结构包括沿光轴方向布置在不同位置的多个光学元件。 光屏蔽结构包括位于两个光学元件之间以屏蔽有害光的至少一个环形遮光构件,以及保持在两个光学元件之间以在光轴方向上可弹性变形的多个弹簧。 弹簧包括至少两个弹簧,其中一个弹簧保持在两个光学元件中的一个和环形遮光构件之间,而两个弹簧中的另一个固定在两个光学元件中的另一个和环形遮光构件之间。 环形遮光部件在多个弹簧的弹簧力之间的平衡状态下支撑在两个光学元件之间。