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    • 1. 发明公开
    • Improvements in and relating to optical compensators for cinematography
    • 光电补偿器的改进和相关
    • EP0025610A3
    • 1981-06-03
    • EP80106598
    • 1979-10-31
    • P.A. Management Consultants Limited
    • Plummer, Dexter RobertDashwood, Nigel John Robert
    • G03B41/06
    • G03B41/06
    • A device compensates for the movement of a cinematographic film moved continuously through a camera or projector. A plurality of separate inverting reflectors, typically Amici prisms (70), move in the same direction as the film (20) but at one half the speed of the film. The path of the prisms (70) is determined by a straight line segment (74) of a track (72), the staright line segment (74) being parallel to the direction of movement of the film (20). A separate coupling between each facet and drive means permits relative movement between the facets as the move around the path. By illuminating the film over a width of at least one and a half frames using a condenser lens (18) so a number of partial images are obtained which are reconstituted in the optics so as to form in the projected image a composite frame which in general will be made up of two or three images of frame parts from two or three adjoining frames.
    • 通过相机或投影机补偿电影胶片的移动的装置,电影被连续移动; 多个反相反射器,通常是由轨道(72)的直线段(74)确定的Amici棱镜(70),并且以半个速度平行于膜的相同方向。 使用聚光透镜(18)将薄膜(20)照亮至少一个半帧的宽度。 重构多个部分图像以形成投影图像; 复合框架通常由两个或三个相邻的部分图像组成。 本发明包括具有90°镜面精加工螺旋槽的滚筒,安装在履带上的棱镜阵列,具有角立方体凹口的圆盘,在其平面内的光学屋顶,圆周地布置或具有狭槽,其中棱镜可滑动地插入, 导致棱镜以直线移动。
    • 3. 发明公开
    • Improvements in and relating to optical compensators for cinematography
    • Optische Kompensatorenfürdie Kinematographie。
    • EP0025610A2
    • 1981-03-25
    • EP80106598.8
    • 1979-10-31
    • P.A. Management Consultants Limited
    • Plummer, Dexter RobertDashwood, Nigel John Robert
    • G03B41/06
    • G03B41/06
    • A device compensates for the movement of a cinematographic film moved continuously through a camera or projector. A plurality of separate inverting reflectors, typically Amici prisms (70), move in the same direction as the film (20) but at one half the speed of the film. The path of the prisms (70) is determined by a straight line segment (74) of a track (72), the staright line segment (74) being parallel to the direction of movement of the film (20). A separate coupling between each facet and drive means permits relative movement between the facets as the move around the path.
      By illuminating the film over a width of at least one and a half frames using a condenser lens (18) so a number of partial images are obtained which are reconstituted in the optics so as to form in the projected image a composite frame which in general will be made up of two or three images of frame parts from two or three adjoining frames.
    • 一个设备补偿连续通过相机或投影机移动的电影胶片的移动。 多个单独的反相反射器,通常为Amici棱镜(70),在与膜(20)相同的方向上移动,但是以薄膜的一半速度移动。 棱镜(70)的路径由轨道(72)的直线段(74)确定,星空线段(74)平行于胶片(20)的移动方向。 当每个小面和驱动装置之间的单独的联接允许围绕路径移动时,小面之间的相对移动。 通过使用聚光透镜(18)在至少一帧和半帧的宽度上照射胶片,从而获得在光学元件中重构的多个部分图像,以便在投影图像中形成一般的复合框架 将由两个或三个相邻框架的两个或三个框架部分的图像组成。
    • 4. 发明公开
    • Improvements in and relating to optical compensators for cinematography
    • Optische KompensatorenfürLaufbildfilm。
    • EP0010957A1
    • 1980-05-14
    • EP79302385.4
    • 1979-10-31
    • P.A. Management Consultants Limited
    • Plummer, Dexter RobertDashwood, Nigel John Robert
    • G03B41/06
    • G03B41/06
    • A device compensating the movement of a cinematographic film through cameras or projectors, the film being moved continuously; a plurality of inverting reflectors, typically Amici prisms (70), move-determined by a straight line segment (74) of a track (72) -in and parallel to the same direction of the film at half the speed. Film (20) is illuminated over a width of at least one and a half frames using a condenser lens (18). A number of partial images are reconstituted forming the projected image; the composite frame generally consists of two or three adjoining partial images.
      The invention includes drums with 90° mirror finish helical grooves, prisms arrays mounted on caterpillar tracks, discs having corner cube indents, optical roofs in a plane surface thereof and circularly arranged around or having slots therein, with prisms slideably within, the slots extending tangentially causing the prisms to move in a straight line.
    • 通过相机或投影机补偿电影胶片的移动的装置,电影被连续移动; 多个反相反射器,通常是由轨道(72)的直线段(74)确定的Amici棱镜(70),并且以半个速度平行于膜的相同方向。 使用聚光透镜(18)将薄膜(20)照亮至少一个半帧的宽度。 重构多个部分图像以形成投影图像; 复合框架通常由两个或三个相邻的部分图像组成。 本发明包括具有90°镜面精加工螺旋槽的滚筒,安装在履带上的棱镜阵列,具有角立方体凹口的圆盘,在其平面内的光学屋顶,圆周地布置或具有狭槽,其中棱镜可滑动地插入, 导致棱镜以直线移动。
    • 6. 发明授权
    • Optical compensators for cinematography
    • 摄影用光学补偿器
    • US4320941A
    • 1982-03-23
    • US86797
    • 1979-10-22
    • Nigel J. R. DashwoodDexter R. Plummer
    • Nigel J. R. DashwoodDexter R. Plummer
    • G03B41/02G03B41/06G03B41/10
    • G03B41/06
    • A device is described for compensating for the movement of a cinematographic films through a camera or projector. By using the device, so intermittent film motion through the gate of the camera or projector can be dispensed with and the film can be moved continuously therethrough the camera or projector.The invention lies in the use of a plurality of inverting reflectors typically Amici prisms (70) moving in the same direction as the film (20) but at one half the speed of the film. The path of the prisms (70) is determined by a straight line segment (74) of a track (72), the straight line segment (74) being parallel to the direction of movement of the film (20).By illuminating the film over a width of at least one and a half frames using a condenser lens (18) so a number of partial images are obtained which are reconstituted in the optics so as to form in the projected image a composite frame which in general will be made up of two or three images of frame parts from two or three adjoining frames.Different devices for achieving the same end comprise a helically grooved drum formed with a 90.degree. included angle helical groove having a mirrored finish, an array of prisms mounted on a caterpillar track part of which is straight and arranged parallel to a straight film path, a disc having corner cube indents or optical roofs formed in a plane surface thereof and circularly arranged therearound, and a disc having slots therein and prisms slideable within the slots with a guide arranged to extend tangentially so as to interact with plane faces of the prisms to cause the latter to be constrained to move in a straight line over an appropriate part of the rotation of the disc.
    • 描述了一种用于补偿通过相机或投影仪的电影胶片的移动的装置。 通过使用该装置,可以省去通过相机或投影仪的门的间歇的胶片运动,并且胶片可以连续地移动通过照相机或投影仪。 本发明在于使用多个倒置反射器,通常为与胶片(20)相同的方向移动的Amici棱镜(70),但是以薄膜的一半速度移动。 棱镜(70)的路径由轨道(72)的直线段(74)确定,直线段(74)平行于胶片(20)的移动方向。 通过使用聚光透镜(18)在至少一帧和半帧的宽度上照射胶片,从而获得在光学元件中重构的多个部分图像,以便在投影图像中形成一般的复合框架 将由两个或三个相邻框架的框架部件的两个或三个图像组成。 用于实现相同端部的不同装置包括形成有具有镜面光洁度的90°夹角螺旋槽的螺旋形沟槽,安装在履带部分上的棱镜阵列,其平行于直线路径是直的并且布置成平行的, 具有形成在其平面内并具有圆形布置在其中的角部立方体凹口或光学屋顶的圆盘,以及具有狭槽的圆盘,棱镜可在狭槽内滑动,导轨布置成切向延伸,以便与棱镜的平面相互作用, 后者被限制为在盘的旋转的适当部分上以直线移动。