Copy restrictive color-reversal documents
作者： John Gasper
DOI:
关键词:
摘要: A media for restricting the copying of a color-reversal document utilizing one or more microdots that are embedded in providing non-visual, but machine detectable signal. By detecting presence document, copy is controllably prevented from document.
google.co.jp 参考文章(23)
Ralph C. Wicker, Counterfeit protected document ,(1989)
Vincent L. Weber, Suction nozzle with ducting ,(1994)
James F. Martin, Facsimile transmission of photographic images ,(1986)
Jerome H. Lemelson, Bar codes and methods ,(1995)
Donald Gordon Chandler, Low resolution target acquisition ,(1991)
Ralph C Wicker, Nonreplicable document and method for making same ,(1990)
Arnold John Roseberry, Mark Anderson, Security printed documents ,(1992)
William Harvey Mowry, Robert L. Neitman, Security, information document ,(1992)
Joseph W. Goodman, Introduction to Fourier optics ,(1968)