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1. 发明授权

US06031625A System for data extraction from a print data stream 失效
标题翻译：用于从打印数据流中提取数据的系统
公开(公告)号：US06031625A
公开(公告)日：2000-02-29
申请号：US874974
申请日：1997-06-13
申请人： Steven P. Sherman , Chongshi Xu , Torben Moller , Hui-Tsung Liang , Paul Feng
发明人： Steven P. Sherman , Chongshi Xu , Torben Moller , Hui-Tsung Liang , Paul Feng
IPC分类号： G06F17/30 , G06K15/00
CPC分类号： G06F17/30386 , G06F17/30557
摘要： A system for retrieving reports and for extracting selected fields from print data streams that may be modified by a non-technical user to provide for revisions in format and additions of new report formats without any need for programming or knowledge of printer code. An extraction database is provided that contains report format information for each of the report formats in use. The report format information includes one or more extraction fields for each report format and a print position associated with the extraction field indicating the position at which the extraction field is printed in the corresponding report format. A print data stream containing a number of reports is analyzed for the presence of a first report, and the report format information associated with the first report format is retrieved from the extraction database. The print data stream is then searched for a data field to be printed at the print position associated with the extraction field in the retrieved report format information, and the content of the data field is extracted. The system is updated to search for new data fields or to add revised report formats simply by updating the extraction database, which may be performed by a business user through a graphical user interface or menu system at a display terminal.
摘要翻译：一种用于检索报告并从打印数据流中提取所选字段的系统，该系统可由非技术用户修改以提供新报告格式的格式和添加的修订，而不需要打印机代码的编程或知识。提供了一个提取数据库，其中包含每个正在使用的报告格式的报告格式信息。报告格式信息包括用于每个报告格式的一个或多个提取字段和与提取字段相关联的打印位置，该打印位置指示以对应的报告格式打印提取字段的位置。分析包含多个报告的打印数据流以存在第一报告，并且从提取数据库检索与第一报告格式相关联的报告格式信息。然后在检索的报告格式信息中搜索打印数据流以在与提取字段相关联的打印位置处打印的数据字段，并且提取数据字段的内容。更新系统以搜索新的数据字段，或者通过更新提取数据库来添加修改的报告格式，该提取数据库可以由业务用户通过显示终端上的图形用户界面或菜单系统执行。

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