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    • 2. 发明授权
    • Portable microfilm reader
    • 便携式微缩胶片阅读器
    • US4810086A
    • 1989-03-07
    • US48300
    • 1987-05-11
    • Hajime TachibanaEichi SaitoHiroshi FukudaTetsuo UdagawaKoji OhgakiShigeru Kojima
    • Hajime TachibanaEichi SaitoHiroshi FukudaTetsuo UdagawaKoji OhgakiShigeru Kojima
    • G03B21/11G03B21/30
    • G03B21/30G03B21/115
    • A microfilm reader which has an optical system for magnifying and projecting an image recorded on a film contained a cassette onto a viewing screen mounted on a pivot shaft of a casing having a generally rectangular flattened box-like configuration of the microfilm reader for folding and unfolding movement comprises a cassette holder, a microfilm driving device for transporting the microfilm so as to place a frame of the microfilm of which an image is to be projected, a reflection mirror supported by the casing for sliding movement so as to be foldable in order to turn the projected image toward the viewing screen, a top cover mounted on and supported by the casing for folding and unfolding movement which is slidably engaged with a top end of the viewing screen so as to define a dark space behind the viewing screen in cooperation therewith when the viewing screen is unfolded and to cover and protect the viewing screen when the viewing screen is folded, and linking device interconnecting the viewing screen and the reflecting mirror so as to fold and unfold the reflecting mirror in cooperation with the viewing screen. The microfilm reader comprises a light shielding member comprising a plurality of light opaque blades which is unfolded in cooperation with the viewing screen so as to close a side opening defined by the casing, the viewing screen and the top cover when the viewing screen is unfolded in order to provide a dark space behind the viewing screen.
    • 9. 发明授权
    • Microfilm camera with marking device
    • 带标记装置的微型相机
    • US5767946A
    • 1998-06-16
    • US677854
    • 1996-07-10
    • Kiyoji NakamuraHiroyuki OkabayashiMutsumi AshizawaUshio AnayamaShinichi ShidaraHajime Tachibana
    • Kiyoji NakamuraHiroyuki OkabayashiMutsumi AshizawaUshio AnayamaShinichi ShidaraHajime Tachibana
    • G03B17/24G03B27/32G03B27/465G03B27/52G03B27/58G03B27/62
    • G03B17/245G03B27/465G03B2217/243G03B2217/246
    • An improvement of microfilm camera with a marking device in which an image of a document is photographed on a roll film mounted in a cassette using a slit exposure system and a two-dimensional digital image of a mark is recorded on the roll film. The microfilm camera comprises: an image taking lens for forming the image of the document on the roll film; a mark taking lens having an optical axis inclined in the length side direction of the roll film with respect to that of the image taking lens; and a digital image generator for generating a one-dimensional digital image extending in the width side direction of the roll film and formed by said mark taking lens at or in close vicinity of the image forming position of the image taking lens. The two-dimensional image of the mark is recorded on the film by changing the one-dimensional digital image synchronously with traveling of the film. With such construction, the size of a photographic opening provided in the cassette can be reduced to made the cassette structure simple. It is unnecessary to provide a complicated synchronizing mechanism for setting mark projecting or recording timing.
    • 具有标记装置的微缩胶片相机的改进被记录在卷膜上,其中使用狭缝曝光系统和标记的二维数字图像在安装在盒中的卷筒胶片上拍摄原稿的图像。 微缩胶卷相机包括:用于在卷筒胶片上形成原稿图像的摄影镜头; 具有相对于摄像镜头的辊轴的长度方向倾斜的光轴的标记拍摄镜头; 以及数字图像生成器,用于生成在卷膜的宽度方向上延伸并由所述标记拍摄透镜在图像拍摄镜头的图像形成位置附近形成的一维数字图像。 通过与电影的行进同步地改变一维数字图像,将标记的二维图像记录在胶片上。 通过这种结构,可以减小设置在盒中的照相开口的尺寸,使得盒结构简单。 不需要提供用于设置标记投影或记录定时的复杂的同步机构。
    • 10. 发明授权
    • Microfilm cassette and microfilm camera
    • 微胶片盒和微缩胶卷相机
    • US5751402A
    • 1998-05-12
    • US679630
    • 1996-07-10
    • Kiyoji NakamuraHiroyuki OkabayashiMutsumi AshizawaShinichi ShidaraHajime Tachibana
    • Kiyoji NakamuraHiroyuki OkabayashiMutsumi AshizawaShinichi ShidaraHajime Tachibana
    • G03B17/28G03B7/24G03B17/26G03B27/32G03B27/50G03C3/00G03B27/58G03B23/02G03B27/62
    • G03B7/24G03B17/265G03B27/323G03B27/50
    • There is provided a microfilm cassette capable of reducing the case size and obtaining a rational arrangement of elements such as reels and photographic roller. The microfilm cassette includes: a case having a substantially rectangular shape as viewed from the top; a supply reel and a take-up reel mounted inside the case and arranged adjacent to each other horizontally in the length side direction of the case; a photographic opening located around the center of one short side of the case; a photographic roller arranged in a position opposite to the photographic opening; and a shutter for opening and closing the photographic opening. The short side of the cassette case on which the photographic opening is located may be bulged and expanded outwardly around the center of the photographic opening, so that the mark taking lens and the image taking lens can be arranged close to each other. Further, a pair of labels may be attached to the case in positions substantially symmetric with respect to the central axis parallel to the long side of the case. The microfilm camera for this microfilm cassette is also provided.
    • 提供了能够减小外壳尺寸并获得诸如卷轴和照相辊的元件的合理排列的微缩胶片盒。 微缩胶片盒包括:从顶部观察具有大致矩形形状的壳体; 供给卷轴和收纳卷轴,其安装在所述壳体的内部,并且在所述壳体的长度方向上相互水平配置; 位于壳体的一个短边的中心周围的照相开口; 照相辊布置在与照相开口相对的位置; 以及用于打开和关闭照相开口的快门。 照相开口位于其上的盒壳体的短边可以围绕摄影开口的中心膨胀并向外扩张,使得标记拍摄镜头和摄像镜头可以彼此靠近地布置。 此外,一对标签可以相对于平行于壳体的长边的中心轴线大致对称的位置附接到壳体。 还提供了该微缩胶片盒的微缩胶卷相机。