Camera, camera accessories for reading digital watermarks, digital watermarking method and systems, and embedding digital watermarks with metallic inks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Dec 23, 2004
app pub date -
Mar 5, 2004
filing date -
Oct 31, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a camera and camera housing to improve reading digital watermarks. Another aspect of the invention is a method of authenticating identification documents. The identification document includes a first component. A separate overlay is placed over the identification document. The separate overlay includes a second component. The second component is used to resolve the first component. Still another method determines authenticity of a watermark based on a polarity associated with the watermark. The invention also provides an image capture and processing system and methods for portable devices that increase the image capture functionality of the devices, yet enable a compact mechanical design.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully