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    • 1. 发明申请
    • PLANAR ILLUMINATION DEVICE
    • 平面照明装置
    • US20110038178A1
    • 2011-02-17
    • US12848350
    • 2010-08-02
    • Tetsuro KuwayamaHiromasa SuzukiMotosuke OhmiMasaru MinamiKanji Yokomizo
    • Tetsuro KuwayamaHiromasa SuzukiMotosuke OhmiMasaru MinamiKanji Yokomizo
    • F21V8/00
    • G02B6/0078
    • A planar illumination device includes: a light guide plate formed by arranging a plurality of unit light guide plates each having a light emission surface as a front surface and a reflection surface as a back surface so that facing end surfaces of adjacent unit light guide plates of the plurality of unit light guide plates are closely arranged; and one or two or more light sources arranged on a side surface, in a direction where the plurality of unit light guide plates are arranged, of each of the plurality of unit light guide plates, in which a projection section is arranged on one of facing surfaces of two adjacent unit light guide plates in the arrangement direction and a recession section in which the projection section is engaged is arranged on the other of the facing surfaces of the two adjacent unit light guide plates.
    • 平面照明装置包括:导光板,其通过将各个具有发光表面的多个单位导光板作为前表面和反射面设置为背面而形成,使得相邻单元导光板的相对端面相对于 多个单元导光板紧密排列; 以及一个或两个以上的光源,其布置在所述多个单位导光板中的每个所述多个单位导光板中的沿着所述多个单位导光板的方向的侧面上,其中突出部布置在所述多个单元导光板中的一个上 两个相邻单元导光板在排列方向上的表面和突出部分接合的凹陷部分布置在两个相邻的单元导光板的另一面对面上。
    • 2. 发明授权
    • Planar illumination device
    • 平面照明装置
    • US08408777B2
    • 2013-04-02
    • US12848350
    • 2010-08-02
    • Tetsuro KuwayamaHiromasa SuzukiMotosuke OhmiMasaru MinamiKanji Yokomizo
    • Tetsuro KuwayamaHiromasa SuzukiMotosuke OhmiMasaru MinamiKanji Yokomizo
    • F21V7/04F21V8/00
    • G02B6/0078
    • A planar illumination device includes: a light guide plate formed by arranging a plurality of unit light guide plates each having a light emission surface as a front surface and a reflection surface as a back surface so that facing end surfaces of adjacent unit light guide plates of the plurality of unit light guide plates are closely arranged; and one or two or more light sources arranged on a side surface, in a direction where the plurality of unit light guide plates are arranged, of each of the plurality of unit light guide plates, in which a projection section is arranged on one of facing surfaces of two adjacent unit light guide plates in the arrangement direction and a recession section in which the projection section is engaged is arranged on the other of the facing surfaces of the two adjacent unit light guide plates.
    • 平面照明装置包括:导光板,其通过将各个具有发光表面的多个单位导光板作为前表面和反射面设置为背面而形成,使得相邻单元导光板的相对端面相对于 多个单元导光板紧密排列; 以及一个或两个以上的光源,其布置在所述多个单位导光板中的每个所述多个单位导光板中的沿着所述多个单位导光板的方向的侧面上,其中突出部布置在所述多个单元导光板中的一个上 两个相邻单元导光板在排列方向上的表面和突出部分接合的凹陷部分布置在两个相邻的单元导光板的另一面对面上。
    • 9. 发明授权
    • Film reader
    • 电影读者
    • US4339183A
    • 1982-07-13
    • US132879
    • 1980-03-24
    • Yu YamadaMutsuhiro InoueToshio AraiKokichi OmiHiroaki SuzukiTetsuro Kuwayama
    • Yu YamadaMutsuhiro InoueToshio AraiKokichi OmiHiroaki SuzukiTetsuro Kuwayama
    • G03B21/11G03B21/60G02B3/08G03B21/22
    • G03B21/11G03B21/602
    • This invention presents a film reader equipped with a reflecting type screen, which is arranged in a housing of the reader and has a number of ring strip surfaces having different inclination angles and arranged concentrically. The common center of the ring strip surfaces is deviated from the center of the screen and locates outside of the screen and the end of the screen nearest to the common center is placed near to an observing aperture in the housing. A light source for illuminating a microfilm having recorded images and an optical system for projecting the image of the illuminated film to the screen are provided. Further, the screen is formed by one synthetic resin or preferably at least two kinds of synthetic resins having different refractive indices and mutually non-soluble property. A reflecting substance may be mixed with said resins.
    • 本发明提供了一种配备有反射型屏幕的胶片读取器,其被布置在读取器的壳体中并且具有多个具有不同倾斜角度的环形带表面并且同心地布置。 环形条表面的共同中心偏离屏幕中心并位于屏幕外部,最靠近公共中心的屏幕末端靠近外壳中的观察孔。 提供了用于照射具有记录图像的微缩胶片的光源和用于将照射胶片的图像投影到屏幕的光学系统。 此外,屏幕由一种合成树脂或优选至少两种具有不同折射率和相互不溶性的合成树脂形成。 反射物质可与所述树脂混合。