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1. 发明授权

US4558373A Automatic data capture system with special document handling prior to normal scanning 失效
标题翻译：自动数据采集系统，具有正常扫描前的特殊文件处理
公开(公告)号：US4558373A
公开(公告)日：1985-12-10
申请号：US609299
申请日：1984-05-11
申请人： Armand J. Plasencia , Robert J. Tusso , Alan P. Gilson
发明人： Armand J. Plasencia , Robert J. Tusso , Alan P. Gilson
IPC分类号： G06K13/067 , B65H3/06 , B65H5/06 , G06F17/50 , G06T1/00 , H04N1/00 , H04N1/04 , H04N1/10
CPC分类号： H04N1/00734 , B65H5/062 , H04N1/00681 , H04N1/00745 , H04N1/00782 , H04N1/00785 , Y02T10/82 , Y10S271/902
摘要： An automatic video digitizing system for document scanning wherein a document is inserted into a roller feed arrangement located adjacent a video scanning head. The system includes a front pair and a rear pair of drive rollers located respectively in front of and behind the video scanning head. The ones of each pair of document drive rollers are initially spaced apart to permit the document to be inserted through the spacing between the drive rollers without damaging the input edges of the document. Lift means are operatively connected to the drive rollers for moving the opposing drive rollers from their spaced-apart, non-feed position into contact with each other. A motor drive operates in response to a document position sensor for driving the document backwards to a predetermined starting position where a front edge of the document is located at a preset distance from the video scanning head. After the document is positioned at its starting position, the motor drive rotates the drive rollers for driving the document forward for scanning thereof.
摘要翻译：一种用于文件扫描的自动视频数字化系统，其中文件被插入到位于与视频扫描头相邻的滚轮馈送装置中。该系统包括分别位于视频扫描头前面和后面的前侧对和后侧驱动辊。每对文档驱动辊中的每一个原稿驱动辊最初间隔开以允许文件通过驱动辊之间的间隔插入，而不会损坏文档的输入边缘。提升装置可操作地连接到驱动辊，用于使相对的驱动辊从它们间隔开的非进给位置移动，以彼此接触。电动机驱动器响应于文档位置传感器操作，用于将文档向后驱动到预定的开始位置，其中文档的前边缘位于距离视频扫描头预设的距离处。在原稿位于其起始位置之后，电动机驱动器转动用于驱动原稿的驱动辊，以进行扫描。

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