Digital watermarking apparatus and methods
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United States of America Patent
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Jun 7, 2011
Grant Date -
Jun 10, 2010
app pub date -
Jun 3, 2009
filing date -
Apr 24, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to various digital watermarking methods, apparatus and systems. One claim recites a method of determining a size or denomination of a momentary object. The method includes: utilizing a configured, multi-purpose electronic processor, decoding a digital watermark embedded in a monetary object, the watermark including data corresponding to a denomination of the monetary object; based on the data, determining feedback to indicate the denomination of the monetary object; and providing the feedback. Handheld computing devices can be advantageously employed with this combination. Of course, other combinations are provided and claimed.
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