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    • 3. 发明申请
    • Hologram read system
    • 全息阅读系统
    • US20070121186A1
    • 2007-05-31
    • US11604262
    • 2006-11-27
    • Mitsuru KitamuraSatoshi NakasoneAkiko Kitamura
    • Mitsuru KitamuraSatoshi NakasoneAkiko Kitamura
    • G03H1/22
    • G03H1/22G03H1/2249G03H2001/0016G03H2001/221G03H2001/2247G03H2210/30G03H2210/36G03H2210/55G03H2222/34G03H2227/06
    • The invention relates to a hologram read system capable of viewing a minute object that is authentication information located behind a block object in a specific direction alone, that is, a hologram read system adapted to view a minute object from a hologram wherein the minute object located behind a block object is recorded such that the minute object is blocked off by the block object and invisible upon viewing in a given direction, but visible from a direction different from said given direction. The hologram read system here comprises a light block housing 22 open at both its ends. A lighting substrate 23 with a viewing window 24 provided in its center is located at a given distance from the lower end 22d. A magnifying lens 25 adapted to magnify and view a hologram image constructed from the hologram located facing an opening at the lower end 22d is attached over the upper end 22u. Arrays 401, 402 of point light sources adapted to emit visible light are located at the lower surface of the lighting substrate 23 except for the viewing window 24, so that the any point light source in them can be selectively put on.
    • 本发明涉及一种全息图读取系统,其能够单独地观察位于块对象之后的认证信息的微小物体,即,全息图读取系统,其适于从全息图中观察微小物体,其中位于 记录块对象之后,使分钟对象被块对象遮挡,并且在沿给定方向观看时不可见,但是从与所述给定方向不同的方向可见。 这里的全息图读取系统包括在其两端开口的光块壳体22。 具有设置在其中心的观察窗24的照明基板23位于距下端22d给定的距离处。 用于放大和观看从面向下端22d处的开口定位的全息图构成的全息图像的放大镜25被安装在上端22 u上。 适合于发射可见光的点光源的阵列40 1,40 2,...,以及除了观察窗24之外的位置处于照明基板23的下表面, 它们中的任何点光源都可以选择性地穿上。
    • 10. 发明申请
    • COMPUTER-GENERATED HOLOGRAM AND ITS FABRICATION METHOD
    • 计算机生成器及其制造方法
    • US20080057407A1
    • 2008-03-06
    • US11848395
    • 2007-08-31
    • Mitsuru KITAMURAAkiko Kitamura
    • Mitsuru KITAMURAAkiko Kitamura
    • G03F7/00
    • G03H1/0808G03H2001/2271G03H2001/303G03H2210/454
    • The invention relates to a computer-generated hologram that is capable of reconstructing a full-color image and achieving a resolution higher than ever before. The recording plane 20 of the hologram is divided by a multiplicity of parallel sections in the horizontal direction to define a multiplicity of areas C1r, C1g, C1b, etc. Amplitude information and phase information corresponding to periodically different wavelengths RGB are recorded in a direction traversing the multiplicity of areas. Upon reconstruction by given illumination Lw, reconstructing light having periodically different wavelengths diffracted from the amplitude information and phase information recorded in the respective areas travels toward the recording plane of the hologram such that the reconstructed image can be viewed at a point-of-view position that is a given position E. Information about the same portion of the original image is recorded in individual points belonging to the same area, and information about another corresponding portion of the original image is recorded in individual points belonging to another area.
    • 本发明涉及一种计算机生成的全息图,其能够重建全色图像并且实现比以前更高的分辨率。 全息图的记录平面20在水平方向上划分多个平行部分以限定多个区域C 1 r,C 1 g,C 1 b等。与周期性不同的波长RGB对应的幅度信息和相位信息 被记录在穿过多个区域的方向上。 在通过给定照明Lw进行重建时,重建具有从振幅信息衍射的周期性不同波长的光和记录在各个区域中的相位信息朝向全息图的记录平面移动,使得可以在观察点位置观看重建图像 作为给定位置E.关于原始图像的相同部分的信息被记录在属于相同区域的各个点中,并且关于原始图像的另一对应部分的信息被记录在属于另一区域的各个点中。