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    • 121. 发明公开
    • FLASH LIGHTING DEVICE
    • 闪光灯装置
    • EP0252158A1
    • 1988-01-13
    • EP87900688.0
    • 1987-01-08
    • POLAROID CORPORATION
    • ICHIMURA, Hajime
    • G03B27/54
    • G03B27/542
    • A flash lighting device for a copier or the like in which the whole surface of an original is simultaneously irradiated with light from one or more flash lamps, and the reflected light is focused on a photosensitive material via an optical system to expose it. in front of the flash lamp is provided an optical converge/diverge element which converges and diverges the flux of light so that a particular range of the original is irradiated with the flux of tight that is emitted from the lamp and that falls directly on the surface of the original, thus improving the uniformity of the luminosity distribution produced by the flash lamp on the surface of the original.
    • 一种用于复印机等的闪光照明装置,其中原件的整个表面同时用来自一个或多个闪光灯的光照射,并且反射光经由光学系统聚焦在感光材料上以使其曝光。 在闪光灯前面设置一个会聚和发散光通量的光学会聚/发散元件,使得原件的特定范围受到从灯发出并直接落在表面上的紧密通量的照射 从而改善了原件表面上的闪光灯产生的光度分布的均匀性。
    • 122. 发明公开
    • Document scanning optical device
    • Optische Dokumentabtastvorrichtung。
    • EP0245685A2
    • 1987-11-19
    • EP87106087.7
    • 1987-04-27
    • MITA INDUSTRIAL CO. LTD.
    • Minami, Takehiro
    • G03G15/04G03B27/54
    • G03G15/04036G03B27/542
    • An optical device provided with a document illuminating means, for use in an electrostatic copying machine or the like. The document illuminating means (10) has an illuminating lamp (12), a main reflecting means (14) partly surrounding the illuminating lamp (12), and a subsidiary reflecting means (16) disposed opposite to the illuminating lamp (12) and the main reflecting means (14). The difference between a first quantity (L 1 ) of light illuminating a document via a first illuminating light path (28) ranging from one side to the document (8) without reflection by the subsidiary reflecting means (16) and a second quantity (L 2 ) of light illuminating the document (8) via a second illuminating light path (30) ranging from the other side to the document with reflection by the subsidiary illuminating means (16) is adjusted to not more than 15 % of the sum (L 1 + L 2 ) of the first and second quantities.
    • 一种设置有用于静电复印机等的文件照明装置的光学装置。 文件照明装置(10)具有照明灯(12),部分地围绕照明灯(12)的主反射装置(14)和与照明灯(12)相对设置的副反射装置(16) 主反射装置(14)。 经由辅助反射装置(16)反射而从一侧到文件(8)的第一照明光路(28)照射文件的第一数量(L1)与第二数量(L2)之间的差异, 经由辅助照明装置(16)反射的从另一侧到文件的第二照明光路(30)照射文件(8)的光被调整为不超过总和(L1 + L2)的15% )第一和第二数量。