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    • 18. 发明授权
    • Hologram information forming method
    • 全息信息形成方法
    • US5400155A
    • 1995-03-21
    • US134825
    • 1993-10-12
    • Akihiko UedaHirokuni MonzenHirokazu AritakeMasayuki KatoMasato Nakashima
    • Akihiko UedaHirokuni MonzenHirokazu AritakeMasayuki KatoMasato Nakashima
    • G03H1/08G03H1/26
    • G03H1/08G03H1/2294G03H2001/0423G03H2001/085G03H2210/36G03H2210/452G03H2210/454G03H2225/32G03H2240/62
    • A hologram surface to express a phase distribution, a visual field in which a solid image can be seen; and a stereoscopic display limit are set in a virtual space. A target to be stereoscopically displayed is subsequently expressed in the virtual space by a set of micro polygons. A plurality of slice planes which are parallel with the horizontal plane are set into the virtual space including the target. The line segments which intersect the polygons are obtained for every slice plane. The detected line segment is divided or clipped as necessary and is finally divided into the portion which can be always seen from the whole region of the visual field and a portion which is obstructed by another line segment and can be seen from only a part of the visual field, thereby extracting the line segment. In the calculation of a phase distribution, sampling points are set onto the extracted line segment, a 1-dimensional hologram phase distribution on the hologram surface is calculated for every sampling point, and the calculated 1-dimensional hologram phase distributions are added to every slice plane.
    • 表示相位分布的全息图表面,可以看到实心图像的视野; 并且在虚拟空间中设置立体显示限制。 立体显示的目标随后通过一组微多边形在虚拟空间中表示。 将与水平面平行的多个切片平面设置在包含目标的虚拟空间中。 对于每个切片平面获得与多边形相交的线段。 检测到的线段根据需要被划分或剪辑,并且最终被划分为从视野的整个区域总是可以看到的部分和被另一个线段阻挡的部分,并且可以仅从 视野,从而提取线段。 在相位分布的计算中,将采样点设置在提取的线段上,针对每个采样点计算全息图表面上的一维全息图相位分布,并将计算出的一维全息图相位分布添加到每个切片 飞机
    • 20. 发明授权
    • Proof-printing machine
    • 打样机
    • US4558643A
    • 1985-12-17
    • US710307
    • 1985-03-08
    • Makoto ArimaTakashi TsumuraAkihiko Ueda
    • Makoto ArimaTakashi TsumuraAkihiko Ueda
    • B41F3/20B41F3/28B41F3/60
    • B41F3/28B41F3/60
    • There is disclosed a proof-printing machine comprising an elongated table for mounting a printing plate thereon detachably which is supported by a base frame, a carriage means being movable along the table in the longitudinal direction hereof, a head means being mounted on the carriage means, a doctor blade means for applying ink onto the printing plate so supported by the head means as to be adjustable of its angle and contact pressure against the printing plate, a cylindrical press drum being supported by the head means so as to be rotatable about the axis thereof and adjustable of its contact pressure against the printing plate onto the peripheral surface of which a blank material to be printed is fixed, a pair of timing belt means for transferring the carriage each of which is spanned between a pair of pulleys provided at each end portion of the side wall of the table respectively, a pulse motor for driving said timing belt means, and control means for driving the pulse motor according to a predetermined optimum driving pattern.
    • 公开了一种打印机,其特征在于,包括一个细长工作台,用于可拆卸地安装印刷板,该印刷板由基座支承,一个可沿桌子沿其长度方向移动的托架装置,一个安装在托架装置上的头部装置 刮刀装置,用于将油墨施加到印刷版上,由头部装置支撑,以便可调整其与印刷版的角度和接触压力;圆柱形压力鼓,由头部装置支撑,以便围绕 并且可以将其与印刷板的接触压力调节到待印刷的坯料被固定的周边表面上;一对同步带装置,用于将每个跨接在每一个上设置的一对带轮之间的托架传送 工作台侧壁的端部,用于驱动所述同步皮带装置的脉冲电机,以及用于驱动脉冲电机定子的控制装置 达到预定的最佳驱动模式。