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    • 4. 发明申请
    • Ribbon identification
    • 丝带识别
    • US20070003350A1
    • 2007-01-04
    • US11510407
    • 2006-08-25
    • Daniel BatemanConnie BowenKevin MooreCharles RansonDennis White
    • Daniel BatemanConnie BowenKevin MooreCharles RansonDennis White
    • B41J33/00
    • B65H75/182B41J31/16B41J35/36
    • A ribbon identification system detects a digitally encoded tract comprised of radially printed bands of dark and light areas positioned on a ribbon spool that fits on a media printing device. Each type and length of ribbon to be used is associated with a specific and unique digitally encoded tract. When the ribbon spool is positioned correctly on the printing device, the digitally encoded tract is detected, and the control program of the printing device sets the parameters associated with that ribbon automatically ensuring proper printing. Through the digitally encoded tract, the ribbon spool is uniquely identified so that once it has been determined by the printing device's control program that the ribbon has been depleted, that ribbon spool, if reinstalled on the same printing device at a later time, will be recognized as a depleted ribbon, and the printing device will not function.
    • 色带识别系统检测由位于配合在介质打印装置上的色带卷轴上的深色和浅色区域的径向印刷带组成的数字编码道。 要使用的每种类型和长度的色带与特定和独特的数字编码道相关联。 当色带卷轴正确地放置在打印设备上时,检测到数字编码的区段,并且打印设备的控制程序设置与该色带相关联的参数,自动确保正确的打印。 通过数字编码的通道,色带卷轴被唯一地识别,使得一旦由打印设备的控制程序确定色带已经耗尽,则如果在稍后的时间重新安装在同一打印设备上的色带卷轴将是 被识别为耗尽的色带,并且打印设备将不起作用。
    • 6. 发明授权
    • Processing graphic objects for fast rasterised rendering
    • 处理图形对象以进行快速光栅渲染
    • US07046253B2
    • 2006-05-16
    • US10176644
    • 2002-06-24
    • Timothy Merrick LongChristopher FraserKevin Moore
    • Timothy Merrick LongChristopher FraserKevin Moore
    • G09G5/02
    • G06T11/40G09G5/42
    • Disclosed are methods, apparatus (1) and computer readable media for rendering at least one graphic object (80, 90) described by at least one edge (82-86, 92-98) into a raster pixel image (78) having a plurality of scan lines and a plurality of pixel locations on each scan line. For each scan line, coordinates of intersection of those edges of the objects that intersect the scan line are determined in a predetermined order. This is preferably achieved by processing edge records (418) using a number of buffers (402, 404, 406, 412, 420, 422) thereby enabling efficient sorting of edge intersections into order. For each adjacent pair of edge intersections, information (530) associated with the corresponding object is examined to determining a set of active objects (508, 510) for a span of pixel locations between the corresponding pair of edge intersections. For each span of pixel locations, the corresponding set of active objects is used to determine (600) a value for each of the locations within the span. The information may include one or more of a fill count, a clip count and other factors. A compositing model accommodating opacity is also disclosed, as are stack operations used to facilitate rendering and other features which contribute to fast processing of image components.
    • 公开了用于将由至少一个边缘(82-86,92-98)描述的至少一个图形对象(80,90)呈现到具有多个图像的光栅像素图像(78)中的方法,装置(1)和计算机可读介质 的扫描线和每个扫描线上的多个像素位置。 对于每个扫描线,以预定顺序确定与扫描线相交的对象的那些边缘的交点的坐标。 这优选地通过使用多个缓冲器(402,404,406,412,420,422)处理边缘记录(418)来实现,从而使边缘交叉点能够有序地排序。 对于每个相邻的边缘交叉对,检查与对应对象相关联的信息(530),以确定用于在对应的边缘交点之间的像素位置跨度的一组活动对象(508,510)。 对于像素位置的每个跨度,使用相应的一组活动对象来确定(600)跨度内的每个位置的值。 信息可以包括填充计数,剪辑计数和其他因素中的一个或多个。 还公开了容纳不透明度的合成模型,以及用于促进渲染的其它功能以及有助于快速处理图像组件的其他特征也是如此。