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    • 1. 发明授权
    • Method and apparatus for a rotating shutter in real-time film-to-video
conversion
    • 用于实时电影到视频转换的旋转快门的方法和装置
    • US5376961A
    • 1994-12-27
    • US54536
    • 1993-04-28
    • John GaltJames Pearman
    • John GaltJames Pearman
    • H04N3/40H04N5/253H04N9/11
    • H04N5/253H04N3/40H04N9/11
    • A telecine system for converting motion picture film to video contains a pulldown mechanism and a rotating shutter. The telecine system creates a 3-2 film frame to video frame conversion. The pulldown mechanism transports the film and the rotating shutter exposes the film to a video camera. The pulldown mechanism contains a film aperture and a pin registration system. The film is transported over the film aperture during a pulldown period, and the pin registration system provides precise placement of the film frame over the film aperture. The pulldown periods occur during constant intervals. During a register period of the telecine system, the single film frame is held steady over the film aperture. A rotating shutter contains five apertures wherein each aperture is used to expose a film frame to the camera. The shutter exposes a diffused light source to the film frame such that a first single frame is exposed for three video fields after a first pulldown period, and a second single frame is exposed for two video fields after a second pulldown period for each rotation of the rotating shutter.
    • 用于将电影胶片转换为视频的电视电影系统包含下拉机构和旋转快门。 电视电影系统创建一个3-2影片帧到视频帧转换。 下拉机构传送胶片,旋转快门将胶片曝光到摄像机。 下拉机构包含胶片孔和针对配准系统。 胶片在下拉期间被传送到胶片孔径上,并且针对配准系统提供胶片框架在胶片孔上的精确放置。 下拉周期在恒定间隔期间发生。 在电视电影系统的注册期间,单个胶片框架稳定地保持在胶片孔上。 旋转快门包含五个孔,其中每个孔用于将胶片框架暴露于相机。 快门将漫射光源曝光到胶片帧,使得第一单帧在第一下拉周期之后暴露于三个视频场,并且在第二下拉周期之后,在第二下拉周期之后,对于两个视频场曝光第二单个帧, 旋转快门
    • 2. 发明授权
    • Method and apparatus for a real-time film-to-video conversion system
    • 用于实时电影到视频转换系统的方法和装置
    • US5428387A
    • 1995-06-27
    • US54526
    • 1993-04-28
    • John GaltJames Pearman
    • John GaltJames Pearman
    • H04N5/253H04N9/11
    • H04N9/11
    • A real-time telecine system for converting motion picture film to high definition video contains a control unit comprising a database which provides complete control over all parameters associated with the film to high definition video conversion. The telecine system comprises a film transport sub-system, camera sub-system, rotating shutter and lamphouse. To convert a motion picture film to high definition video, the motion picture film is advanced, by the film transport sub-system, a single frame at a time during a pulldown period, and the film is held steady during a register period. The lamphouse emanates a single diffused light source to illuminate the film frame to generate an optical film image. The rotating shutter permits exposure of the optical film image to the camera sub-system in a 3-2 pulldown arrangement. Values for controlling the lamphouse light intensity are stored in the database and are subsequently retrieved for film to video conversion. In addition, color correction parameters associated with the motion picture film are stored in the database such that the color correction parameters are used as an initial starting point for the calibration of the telecine system.
    • 用于将电影胶片转换为高清晰度视频的实时电视电影系统包括一个控制单元,该控制单元包括数据库,该数据库完全控制与电影相关的所有参数到高清晰度视频转换。 电视电影系统包括电影传输子系统,相机子系统,旋转快门和灯塔。 为了将电影胶片转换为高分辨率视频,电影传送子系统在下拉期间一次提前拍摄电影胶片,并且在注册期间保持电影的稳定。 灯泡发出单个漫射光源以照射胶片框架以产生光学胶片图像。 旋转快门允许以3-2下拉排列将光学胶片图像曝光到照相机子系统。 用于控制灯室光强度的值存储在数据库中,随后被检索用于电影到视频转换。 此外,与电影胶片相关联的颜色校正参数被存储在数据库中,使得颜色校正参数被用作电视电影系统的校准的初始起点。
    • 3. 发明授权
    • Method and apparatus for attenuating a light beam
    • 用于衰减光束的方法和装置
    • US5394263A
    • 1995-02-28
    • US54557
    • 1993-04-28
    • John GaltJames Pearman
    • John GaltJames Pearman
    • H04N9/11G02B5/00G02B26/02H04N1/04
    • G02B5/005H04N9/11
    • A light valve for attenuating a collimated light beam contains a focusing lens, a light vane and motor control. The focusing lens contains a focal length and lens diameter. The focusing lens focuses a collimated light beam to generate a light cone such that the dimensions of the light cone are based on the diameter and focal length of the focusing lens. The light vane deflects light within the light cone. The motor is controlled to position the light vane to attenuate the light within the light cone by placing the light vane in at least one position ranging from a zero stop attenuation position to a full stop attenuation position. For a single degree of light vane rotation into the light cone, the light beams is attenuated by three percent. In the zero stop position, the light vane is parallel to an edge of the light cone so that no light is attenuation. In the full stop position, the light vane is located thirty degrees, relative to the zero stop position, into the light cone.
    • 用于衰减准直光束的光阀包括聚焦透镜,光叶片和电动机控制。 聚焦透镜包含焦距和透镜直径。 聚焦透镜将准直光束聚焦以产生光锥,使得光锥的尺寸基于聚焦透镜的直径和焦距。 光叶片将光线偏转在光锥内。 控制电机以通过将光叶片放置在从零停止衰减位置到完全停止衰减位置的至少一个位置来定位光叶片以衰减光锥内的光。 对于单个光叶片旋转到光锥中,光束衰减3%。 在零停止位置,灯叶平行于光锥的边缘,因此没有光衰减。 在完全停止位置,灯叶相对于零停止位置位于三十度,进入光锥。
    • 4. 发明授权
    • Method and apparatus for an integrating sphere lamphouse
    • 积分球灯箱的方法和装置
    • US5392080A
    • 1995-02-21
    • US54558
    • 1993-04-28
    • John GaltJames Pearman
    • John GaltJames Pearman
    • H04N1/04H04N5/253H04N9/11G03B21/00
    • H04N5/253H04N9/11
    • A real-time telecine system for converting motion picture film to high definition video contains a control unit comprising a database which provides complete control over all parameters associated with the film to high definition video conversion. The telecine system comprises a lamphouse which generates three monochromatic light sources wherein the light intensity for each light source is controlled independently by the control unit. Each light source contains a lamp, a variable power supply, a lens configuration and a light valve. Each lamp comprises a non-incandescent lamp such as xenon, and generates a collimated light beam. Each lens configuration contains a heat mirror, dichroic filters and a focusing lens. The dichroic filters for each light source generate a monochromatic light source by filtering the light beam. The focusing lens focuses the monochromatic light beam from each light source for input to an integrating sphere. The integrating sphere generates a polychromatic diffused light source for illuminating a film frame to generate an optical film image.
    • 用于将电影胶片转换为高清晰度视频的实时电视电影系统包括一个控制单元,该控制单元包括数据库,该数据库完全控制与电影相关的所有参数以进行高清晰度视频转换。 电视电影系统包括产生三个单色光源的灯塔,其中每个光源的光强度由控制单元独立控制。 每个光源包括灯,可变电源,透镜配置和光阀。 每个灯包括诸如氙气的非白炽灯,并且产生准直光束。 每个透镜配置包含热镜,二向色滤光片和聚焦透镜。 用于每个光源的二向色滤光器通过滤光而产生单色光源。 聚焦透镜将来自每个光源的单色光束聚焦成一个积分球。 积分球产生用于照射胶片框架以产生光学膜图像的多色漫射光源。
    • 5. 发明申请
    • Drive assembly for rotating and translating a shaft
    • 用于旋转和平移轴的驱动组件
    • US20050048162A1
    • 2005-03-03
    • US10873288
    • 2004-06-23
    • Alex TengJohn GaltMartin Kestle
    • Alex TengJohn GaltMartin Kestle
    • B29C45/50F15B15/06F15B15/20H02K7/00H02K7/14B29C45/38
    • B29C45/5008B29C2045/1794B29C2045/5024B29C2045/5088F15B15/063F15B15/088H02K7/00H02K7/14H02K2201/18
    • A drive assembly for rotating and translating a shaft comprising a hollow shaft motor and a fluid cylinder. The hollow shaft motor rotates the shaft and the fluid cylinder moves the shaft lengthwise. The drive is particularly useful in the injection unit of an injection-molding machine. In one preferred embodiment the injection unit includes a hollow electric motor and a hydraulic cylinder. A first cylinder wall of the hydraulic cylinder is joined to a rotor of the hollow motor. A second cylinder wall of the cylinder is connected to a stationary portion of the hollow motor. A piston has two end portions. One end portion of the piston engages the first cylinder wall and the other end portion of the piston engages the second cylinder wall. Means for rotating the piston are attached to the rotor. The means for rotating also permits the piston end portions to slide along the cylinder walls. One channel means provides hydraulic fluid to drive the piston in a forward direction and another channel means provides hydraulic fluid to drive the piston in a reverse direction. Means are provided for attaching an injection screw to the piston. In the preferred arrangement, the cylinder is at least partially situated within the hollow motor.
    • 用于旋转和平移包括中空轴马达和流体缸的轴的驱动组件。 空心轴电机使轴旋转,液压缸纵向移动轴。 该驱动器在注射成型机的注射单元中特别有用。 在一个优选实施例中,注射单元包括中空电动机和液压缸。 液压缸的第一气缸壁连接到中空电动机的转子。 气缸的第二气缸壁连接到中空电动机的静止部分。 活塞具有两个端部。 活塞的一个端部接合第一气缸壁并且活塞的另一端部接合第二气缸壁。 用于旋转活塞的装置附接到转子。 用于旋转的装置还允许活塞端部沿着气缸壁滑动。 一个通道装置提供液压流体以向前方向驱动活塞,另一通道装置提供液压流体以沿相反的方向驱动活塞。 提供了用于将注射螺钉附接到活塞的装置。 在优选的布置中,气缸至少部分地位于中空马达内。
    • 7. 发明授权
    • Motion picture film composition method
    • 电影胶片组合方法
    • US5563668A
    • 1996-10-08
    • US773963
    • 1991-12-18
    • Yoshio OzakiJohn GaltTomio Omata
    • Yoshio OzakiJohn GaltTomio Omata
    • G03B15/08H04N5/253H04N5/272A63J5/00G03B19/18
    • H04N5/253G03B15/08
    • A motion picture film composition method can be provided in which when a first motion picture film on which a first picture is imaged and a second motion picture on which a second picture is imaged are combined, the first motion picture film is converted into a video signal and processed in accordance with predetermined video signal processing to form an intermediate film and a mask film necessary for film composition, and a latent image obtained by superposing the intermediate film and the mask film and another latent image obtained by superposing the second picture film and the mask film are imaged for double exposure to combine the first motion picture film and the second motion picture film with high accuracy so that a combined motion picture film in which the second picture is superposed on the first picture can be made easily.
    • PCT No.PCT / JP91 / 00342 Sec。 371 1991年12月18日第 102(e)1991年12月18日PCT PCT 1991年3月13日PCT。 公开号WO91 / 14337 日期1991年9月19日可以提供一种电影胶片组合方法,其中当组合有第一影像成像的第一动画影像和其上成像第二画面的第二动画时,第一动画影片 转换为视频信号,并根据预定的视频信号处理进行处理,以形成膜成分所需的中间膜和掩模膜,以及通过叠加中间膜和掩模膜获得的潜像和通过叠加 第二图像胶片和掩模胶片被成像以进行双重曝光,以高精度组合第一电影胶片和第二动画影像胶片,从而可以容易地制作其中第二图像叠加在第一图像上的组合电影胶片 。
    • 9. 发明申请
    • Anamorphic three-perforation imaging system
    • 变形三孔成像系统
    • US20050225726A1
    • 2005-10-13
    • US10927731
    • 2004-08-27
    • Takuo MiyagishimaJohn Galt
    • Takuo MiyagishimaJohn Galt
    • G03B31/02G11B7/003
    • G11B7/0032G03B31/02G03B37/06
    • An anamorphic imaging system is disclosed which maximizes the use of available image area to minimize display magnification and image degradation due to display magnification, reduces the amount of anamorphic squeeze during photography to lower image degradation due to anamorphosis, and in film applications, utilizes a film frame that is only three perforations in height to reduce the amount of original film needed. The frame for either film or digital applications has an aspect ratio of approximately 16:9, is contained within the total available frame area of a three-perforation frame or digital imager, and is sized to maximize image area. In preferred embodiments, the image capture area is approximately 0.900 inches wide by approximately 0.506 inches tall.
    • 公开了一种变形成像系统,其最大限度地利用可用的图像区域以最小化显示放大率和由于显示放大率引起的图像劣化,减少摄影期间的变形挤压量,以降低由于变形造成的图像劣化,并且在膜应用中,利用膜 框架只有三个高度的穿孔,以减少所需的原始胶片的数量。 电影或数字应用的帧具有大约16:9的宽高比,包含在三孔或数字成像器的总可用帧区域内,并且其尺寸被设计成使图像面积最大化。 在优选实施例中,图像捕获区域大约为0.900英寸宽,大约0.506英寸高。