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公开(公告)号：US07034955B2
公开(公告)日：2006-04-25
申请号：US09998828
申请日：2001-12-03
申请人： James Glenn Bearss , Judd E. Heape
发明人： James Glenn Bearss , Judd E. Heape
CPC分类号： G06K15/00 , G06K15/1856 , G06K2215/0002 , G06K2215/0025
摘要： The processor enhanced memory module PEMM can be incorporated into the hardcopy image processing pipeline of existing printer controllers by using the smart memory model. Here the data generated from RISC based PDL interpretation or pre-rasterized data can be processed in an accelerated fashion into page bit maps, color space converted, and compressed by the PEMM. Since the DSP on the PEMM is programmable, the resolution, color space, and type of compression along with other printer specific processing can have formats other than those determined by the fixed functionality of the ASIC devices present in the pipeline.
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2.发明授权公开(公告)号：US07173719B2
公开(公告)日：2007-02-06
申请号：US10205379
申请日：2002-07-24
CPC分类号： G06K15/128 , G06K15/1848 , G06K2215/0002
摘要： This invention comprises a converged printer architecture for controlling both electro-photographic (EP) processing and raster image processing (RIP) of data for laser modulation over a video line. By converging EP process control with image processing control, significant advantages in cost, image quality, and output stability are achieved. A digital signal processor (DSP) serves as the central processing resource of the architecture. The DSP is well suited for the dual role of image processing and real-time feedback process control. The DSP can operate in open loop motor/motion control, print process control, and in closed loop feedback control including image processing adaptations for quality and stability enhancements.
摘要翻译： 本发明包括一种用于在视频行上进行激光调制的数据的电子照相（EP）处理和光栅图像处理（RIP）两者的融合打印机结构。 通过将EP过程控制与图像处理控制相融合，实现了成本，图像质量和输出稳定性的显着优势。 数字信号处理器（DSP）作为架构的中央处理资源。 DSP非常适合图像处理和实时反馈过程控制的双重作用。 DSP可以在开环电机/运动控制，打印过程控制以及闭环反馈控制中进行操作，包括用于质量和稳定性增强的图像处理调整。
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