A method and system for printing documents with one or more embedded security features is provided. Security features are embedded in the document by co-printing first and second toner on a receiver before fixation by a fixing station. The combination of first and second toners in the image results in image elements that easily show alteration or are undetectable by visual means.
申请公布号
WO2007136842(A1)
申请公布日期
2007.11.29
申请号
WO2007US12097
申请日期
2007.05.18
申请人
EASTMAN KODAK COMPANY;CRICHTON, JOHN FERGUSON;MORGAN, JASON;ROSSBOROUGH, RAYMOND
发明人
CRICHTON, JOHN FERGUSON;MORGAN, JASON;ROSSBOROUGH, RAYMOND