Invention Grant
- Patent Title: Image printing device, verifying device, and printed material
- Patent Title (中): 图像打印设备，验证设备和打印材料
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Application No.: US11442240Application Date: 2006-05-30
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Publication No.: US07882347B2Publication Date: 2011-02-01
- Inventor: Hirotaka Chiba , Tsugio Noda
- Applicant: Hirotaka Chiba , Tsugio Noda
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Fujitsu Patent Center
- Priority: JP2005-297447 20051012
- Main IPC: H04L9/32
- IPC: H04L9/32
Abstract:
An image is split into a plurality of blocks, a feature quantity is extracted from each of the blocks, data is embedded into each of the blocks based on a difference between feature quantities of that block and at least one adjacent block, and data embedded blocks are printed.
Public/Granted literature
- US20070083764A1 Image printing device, verifying device, and printed material Public/Granted day:2007-04-12
Information query
