| 数码复印机扫描成像单元的研究 |
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| 引用本文： | 张万宝,郑英,陈惠明.数码复印机扫描成像单元的研究[J].电子工程师,2007,33(4):38-40. |
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| 作者姓名： | 张万宝 郑英 陈惠明 |
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| 作者单位： | 南京林业大学机械电子工程学院,江苏省南京市,210037 |
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| 摘 要： | 作为数码复印机的原稿图像输入端,扫描成像单元在数码复印机中起着至关重要的作用。其中是以高速CCD(电荷耦合器件)作为图像传感器,以CPLD(复杂可编程逻辑器件)/FPGA(现场可编程门阵列)作为CCD的驱动控制,以DSP作为基本图像处理单元和图像采集控制单元,以USB2.0为传输方式,实现了原稿图像输入处理系统,完成了图像的快速采集、存储及数据处理。
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| 关 键 词： | 数码复印机 扫描成像单元 CPLD/FPGA CCD USB2.0 |
| 修稿时间： | 2006-10-122006-12-16 |
A Study on the Scanning and Imaging Unit of the Digital Copier |
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| ZHANG Wanbao,ZHENG Ying,CHEN Huiming.A Study on the Scanning and Imaging Unit of the Digital Copier[J].Electronic Engineer,2007,33(4):38-40. |
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| Authors: | ZHANG Wanbao ZHENG Ying CHEN Huiming |
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| Affiliation: | School of Electro-mechanical Engineering, Nanjing Forestry University, Nanjing 210037, China |
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| Abstract: | As the original image input of the digital copier,the scanning and imaging unit plays a very important role in the digital copier.And it uses the high speed CCD as the image sensor.The CCD is controlled by the CPLD/FPGA.The DSP works as the basic image processing unit and the image inquisition controlling unit.The data bus to the PC is the USB2.0.This system implements the original image input and processing.And it completes the high speed image inquisition,storage and processing. |
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| Keywords: | digital copier scanning and imaging unit CPLD/FPGA CCD USB2 0 |
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