Invention Grant
US07798413B2 Covert variable information on ID documents and methods of making same
有权
关于ID文件的隐藏变量信息及其制作方法
- Patent Title: Covert variable information on ID documents and methods of making same
- Patent Title (中): 关于ID文件的隐藏变量信息及其制作方法
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Application No.: US11472507Application Date: 2006-06-20
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Publication No.: US07798413B2Publication Date: 2010-09-21
- Inventor: Daoshen Bi , Robert L. Jones
- Applicant: Daoshen Bi , Robert L. Jones
- Applicant Address: US MA Billerica
- Assignee: L-1 Secure Credentialing, Inc.
- Current Assignee: L-1 Secure Credentialing, Inc.
- Current Assignee Address: US MA Billerica
- Agency: Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
- Main IPC: G06K19/00
- IPC: G06K19/00

Abstract:
In one embodiment, a method for manufacturing an identification document is provided. The method includes: providing a substrate constructed and arranged to receive printing thereon; printing a first variable indicium on the substrate, where the first variable indicium is not visible to the human eye in ambient light but is visible to the human eye when viewed using a first type of light; and printing a second variable indicium on the substrate, the second variable indicium being visible when viewed using ambient light. Other methods, systems and documents are provided as well.
Public/Granted literature
- US20070152067A1 Covert variable information on ID documents and methods of making same Public/Granted day:2007-07-05
Information query