Invention Grant
- Patent Title: Embedding information related to a subject of an identification document in the identification document
-
Application No.: US10241367Application Date: 2002-09-10
-
Publication No.: US07113596B2Publication Date: 2006-09-26
- Inventor: Geoffrey B. Rhoads
- Applicant: Geoffrey B. Rhoads
- Applicant Address: US OR Beaverton
- Assignee: Digimarc Corporation
- Current Assignee: Digimarc Corporation
- Current Assignee Address: US OR Beaverton
- Agency: Digimarc Corporation
- Main IPC: H04L9/00
- IPC: H04L9/00
Abstract:
The present invention relates to an identification document for a subject. The identification document includes a substrate, and a visual image formed on the substrate. The visual image includes a face image of the subject in a first area, and invisible but retrievable embedded information formed in the face image in the first area but not formed in a second area of the visual image. The embedded information corresponds to the identity of the subject and is usable to identify the subject.
Public/Granted literature
- US20030102660A1 Embedding information related to a subject of an identification document in the identification document Public/Granted day:2003-06-05
Information query
