发明授权
- 专利标题: Calibration improvement with dither for a raster input scanner
- 专利标题(中): 用于光栅输入扫描仪的抖动校准改进
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申请号: US61745申请日: 1987-06-15
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公开(公告)号: US4757389A公开(公告)日: 1988-07-12
- 发明人: Raymond J. Clark , Leon C. Williams
- 申请人: Raymond J. Clark , Leon C. Williams
- 申请人地址: CT Stamford
- 专利权人: Xerox Corporation
- 当前专利权人: Xerox Corporation
- 当前专利权人地址: CT Stamford
- 主分类号: H04N1/19
- IPC分类号: H04N1/19 ; G06T1/00 ; H04N1/401 ; H04N1/387
摘要:
A raster input scanner in which a dither generator introduces a random error signal to artificially increase the calibration signal accuracy during calibration of the scanner.
公开/授权文献
- USD398292S Portable character/image editing unit 公开/授权日:1998-09-15
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