IP Library › Granted Patent US 7,822,969
Granted Patent B2
US 7,822,969 · App. 10/122,141 · Granted Oct 26, 2010

Watermark systems and methods

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Quick Facts
Patent No.
US 7,822,969
App. No.
10/122,141
Filed
Apr 12, 2002
Granted
Oct 26, 2010
Kind
B2
Art Unit
1631
USPC
702/20
Abstract

Various improvements relating to digital watermarking and related technologies are detailed, including methods that enhance security and functionality, and new articles including watermarked puzzles and marked DNA.

Claims (8)

1. A method comprising:

capturing data representing steganographically encoded content using a first device, said first device comprising a cell phone;

in said first device, processing the captured data representing the steganographically-encoded content a first time to yield processed content data;

sending the processed content data to a second processing device at a second, remote location; and

further processing the processed content data on the second processing device, said further processing including decoding plural-bit data steganographically encoded therein.

2. The method of claim 1 , in which said content data comprises image data.

3. The method of claim 1 in which said content data comprises audio data.

4. The method of claim 1 in which said content data comprises video data.