发明名称 |
Watermarking a carrier on which an image will be placed or projected |
摘要 |
A carrier is watermarked and then an image is printed or displayed on this carrier. A watermark can then be read from the image. If the image is printed on the carrier, the watermark can be read from the printed image or from any copy of the printed image. If the watermark is displayed on the carrier, and the displayed image is then copied, the copies will bear the watermark
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申请公布号 |
US2002126871(A1) |
申请公布日期 |
2002.09.12 |
申请号 |
US20010803167 |
申请日期 |
2001.03.09 |
申请人 |
HANNIGAN BRETT;LEVY KENNETH L. |
发明人 |
HANNIGAN BRETT;LEVY KENNETH L. |
分类号 |
B41J2/01;B41J3/407;B41J29/393;B41M3/10;H04N1/32;(IPC1-7):G06K9/00;B42D15/00 |
主分类号 |
B41J2/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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