发明申请
US20070139688A1 Hard-copy document having embedded lifecycle and history information
审中-公开
具有嵌入式生命周期和历史信息的硬拷贝文档
- 专利标题： Hard-copy document having embedded lifecycle and history information
- 专利标题（中）： 具有嵌入式生命周期和历史信息的硬拷贝文档
-
申请号： US11312817申请日： 2005-12-20
-
公开(公告)号： US20070139688A1公开(公告)日： 2007-06-21
- 发明人: Gavan Tredoux
- 申请人： Gavan Tredoux
- 主分类号： G06K15/00
- IPC分类号： G06K15/00
摘要：
A hard-copy authentication document has at least one digital channel franked on the document. The digital channel provides a physical manifestation of a digital representation of a state of the document. In a method of authentication and non-repudiation of hard-copy documents, at least one digital channel is affixed to the document.
信息查询
