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    • 5. 发明授权
    • Printing plate exposure apparatus for recording image data spirally
    • 用于螺旋地记录图像数据的印版曝光装置
    • US06348941B1
    • 2002-02-19
    • US09349985
    • 1999-07-09
    • Junichi Hosokawa
    • Junichi Hosokawa
    • B41J2435
    • H04N1/0671G03F7/2051G03F7/24H04N1/06H04N1/1911
    • Distortions, wherein a recording image is inclined relative to a printing plate, are removed when image data from a computer are recorded spirally in recording bands, having a predetermined band width, of a plurality of picture elements on the printing plate which is wound on a drum. Printing plate exposure apparatus comprises the printing plate being wound spirally on the drum such that an extension line of a side edge line of the printing plate is shifted a band width after one drum revolution. The printing plate exposure apparatus further includes: an exposure unit for recording the image data in the recording bands on the printing plate; a moving mechanism for moving the exposure unit by one band width along a drum axial direction relative to the drum during one revolution of the drum; and a timing mechanism for adjusting a band recording start position of the image data for each rotation of the drum so as to set a top edge line of the recording image parallel to a top edge line of the printing plate.
    • 当来自计算机的图像数据被螺旋地记录在具有预定带宽的印刷版上的多个图像元素的记录带中被卷绕在一个印刷版上时,去除其中记录图像相对于印版倾斜的失真 鼓。 印版曝光装置包括将印刷板螺旋地卷绕在滚筒上,使得印版的侧边缘线的延长线在一个转鼓之后移动带宽。 印版曝光装置还包括:曝光单元,用于将记录带中的图像数据记录在印刷版上; 移动机构,用于在所述滚筒的一转期间,使所述曝光单元沿着鼓轴线方向相对于所述滚筒移动一个带宽; 以及定时机构,用于调整滚筒的每次旋转的图像数据的带记录开始位置,以便将记录图像的顶边缘线平行于印刷版的上边缘线。
    • 6. 发明授权
    • Machine for making printing plates for newspaper printing
    • 印刷机用印刷机
    • US6016188A
    • 2000-01-18
    • US241097
    • 1999-02-01
    • Yuichi OkamuraJunichi HosokawaTakemi Watanabe
    • Yuichi OkamuraJunichi HosokawaTakemi Watanabe
    • G03B27/04G03B27/22
    • G03B27/04G03B27/22
    • A photoengraving machine of this invention increases photoengraving speed without unduly increasing size or manufacturing costs of a CPT-type photoengraving machine by decreasing waiting time for form plates transferred from a plate feed section. The machine comprises a plate feed section, an exposure section, a plate discharge section, and a development section to make a drawing on a form plate at the exposure section in accordance with a signal output from a computer. The form-plate feed section has a stocker case for storing form plates and a transfer unit set above the stocker case to be vertically movable for transferring form plates along a guide rail. The exposure section has at least two exposure barrels arranged at intervals, a laser-beam scanning head, a first table on a side of each exposure barrel toward the form-plate feed section, and a second table on a development-section side of each exposure barrels. The plate discharge section has a discharge table on an exposure-section side of the development section.
    • 本发明的照相雕刻机通过减少从进纸部分转印的板材的等待时间,增加了照相雕刻速度,而不会不适当地增加CPT型照相雕刻机的尺寸或制造成本。 该机器包括板供给部,曝光部,板排出部和显影部,以根据从计算机输出的信号在曝光部的成形板上进行绘图。 成形板供给部分具有用于储存形式板的储盘箱和在储盘器壳体上方设置的可沿垂直方向移动的转移单元,用于沿着导轨传送成形板。 曝光部分具有间隔布置的至少两个曝光筒,激光束扫描头,每个曝光筒的朝向成形板供给部的一侧的第一台,以及在每个曝光筒的显影部侧的第二台 曝光桶 板排出部在显影部的曝光部侧具有排出台。