Optical mark reader
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United States of America Patent
Stats
-
Mar 14, 2017
Grant Date -
Sep 3, 2015
app pub date -
Feb 24, 2015
filing date -
Feb 28, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Each data point within a two-dimensional code can be represented by a distribution of spots. Each spot can be made small enough to be invisible to the human eye so that the two-dimensional code can be invisible on or within transparent or nontransparent materials. The spots can be spaced at a large distance to increase the signal-to-noise ratio for an optical code reader. A code reader can be adapted to read the spots and determine the data points.
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Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- G06K Class
- 13.35 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 14, 2028 |
