发明申请
US20080013113A1 Printers and printing 审中-公开
打印机和打印

Printers and printing
摘要:
A method of producing a printed digital document 200, the document 200 being provided with a pattern 12 of printed features 14 which provides positional information for a reader 20, the method comprising incorporating printing information which relates to at least one characteristic of the printing of the document with at least one of: the positional information; and an information entity in addition to the pattern of printed features.
信息查询
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