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    • 2. 发明申请
    • Offset lithographic printing press
    • 胶版印刷机
    • US20050160929A1
    • 2005-07-28
    • US11086533
    • 2005-03-21
    • John GaffneyGlenn GuaraldiJames Vrotacoe
    • John GaffneyGlenn GuaraldiJames Vrotacoe
    • B41F27/00B41F30/04B41N10/00B41N10/04B41F7/02B41F13/193
    • B41F30/04B41F27/00B41N10/00B41N10/04B41N2210/04B41N2210/06B41N2210/10B41N2210/14B41P2227/21Y10S428/909
    • An improved printing press includes a tubular-shaped printing blanket removably disposed on a blanket cylinder rotatably supported by a frame and having an outer circumferential surface. The printing blanket is disposed in rolling engagement with a conventional printing plate disposed on a plate cylinder having an axially extending gap in which opposite ends of the printing plate are secured. The printing blanket is removed by opening a portion of the frame and axially sliding the printing blanket off of the blanket cylinder. The blanket cylinder has passages which deliver a stream of air to the outer surface of the blanket cylinder which expands the inner circumferential surface of the printing blanket so that the blanket can be axially removed or inserted onto the blanket cylinder. The printing blanket has a metal inner surface which is tensioned by the blanket cylinder to retain the printing blanket on the blanket cylinder during operation of the press. The printing blanket is at least partially formed of a compressible material.
    • 改进的印刷机包括可拆卸地设置在由框架可旋转地支撑并且具有外周表面的橡皮布滚筒上的管状印刷橡皮布。 印刷橡皮布与布置在具有轴向延伸的间隙的印版滚筒上的传统印版滚动接合,印版的相对端固定在印版滚筒上。 通过打开框架的一部分并将印刷橡皮布从橡皮布滚筒轴向滑动来移除印刷橡皮布。 橡皮布滚筒具有通道,其将空气流输送到橡皮布滚筒的外表面,该橡皮滚筒的外表面膨胀印刷橡皮布的内周表面,使得橡皮布可以轴向移除或插入橡皮布滚筒上。 印刷毯具有金属内表面,该金属内表面由橡皮布滚筒拉紧,以在印刷机的操作期间将印刷橡皮布保持在橡皮布滚筒上。 印刷橡皮布至少部分地由可压缩材料形成。
    • 5. 发明授权
    • Integrated rendering and compositing in variable printing
    • 可变打印中的集成渲染和合成
    • US06441919B1
    • 2002-08-27
    • US09145795
    • 1998-09-02
    • Michael L. ParkerJohn Gaffney
    • Michael L. ParkerJohn Gaffney
    • G06F1300
    • G06K15/02G06K15/1849G06K15/1856
    • Methods and apparatus implementing techniques useful in variable printing. A technique for rendering reusable objects and other objects includes rendering the reusable objects, storing the resulting raster data in a cache, and then rendering and compositing a print area by painting the reusable objects and the other objects in paint order into a frame buffer. The reusable objects are read and composited from the cache and the other objects are rendered directly into the frame buffer as needed. The raster data resulting from reusable objects can include data specifying which pixels are transparent. The reusable objects can include two objects overlapping each other on the print area. The technique can include providing multiple integrated rasterizer-compositors, assigning a rasterizer-compositor to render each of the reusable objects, and assigning a rasterizer-compositor to render the print area. Apparatus can include an integrated rasterizer-compositor module to render page description language reusable objects into raster data reusable objects and causing the raster data to be stored in a cache, and to composite page reusable objects and other objects into a frame buffer by rendering and compositing other objects into the frame buffer on the fly. Apparatus can also include a scheduler to receive from an input stream description identifying the objects required for a print area, the required objects being either reusable objects or not; to cause only the reusable objects to be rendered and stored in a cache before being used; and to cause the print area to be composited.
    • 实现可变打印技术的方法和设备。 用于渲染可重用对象和其他对象的技术包括渲染可重用对象,将所得到的栅格数据存储在高速缓存中,然后通过将可重用对象和其他对象以绘制顺序绘制到帧缓冲区中来再现和合成打印区域。 可重用的对象从缓存读取和合成,其他对象根据需要直接呈现到帧缓冲区中。 由可重用对象产生的栅格数据可以包括指定哪些像素是透明的数据。 可重复使用的对象可以包括在打印区域上彼此重叠的两个对象。 该技术可以包括提供多个集成的光栅化器 - 合成器,分配光栅化器 - 合成器以渲染每个可重用对象,以及分配光栅化器 - 合成器以呈现打印区域。 设备可以包括集成的光栅化器 - 合成器模块,用于将页面描述语言可再利用对象呈现到光栅数据可重用对象中并且使栅格数据存储在高速缓存中,以及通过渲染和合成将页面可重用对象和其他对象复合到帧缓冲器中 其他物体即时进入帧缓冲区。 装置还可以包括调度器,用于从输入流接收标识打印区域所需对象的描述,所需对象是可重用对象; 在使用前仅使可重用对象呈现并存储在缓存中; 并使打印区域合成。