Method and apparatus for detecting fluorescent particles contained in a substrate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 12, 2005
app pub date -
Nov 6, 2003
filing date -
Nov 6, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed herein are methods and apparatus for authentication of various substrates, including paper based substrates such as currency. Techniques are disclosed for use of security features to generate security codes. The security codes are deciphered with apparatus including a color recognition sub-system that provides for verification of authenticity of the substrate containing the security features.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SPECTRA SYSTEMS CORPORATION | 321 SOUTH MAIN STREET PROVIDENCE RI 02903 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Afzal, Robert S | Providence, RI | 9 | 142 |
# of filed Patents : 9 Total Citations : 142 | |||
Oliver, Don | Wrentham, MA | 2 | 33 |
# of filed Patents : 2 Total Citations : 33 | |||
Schera, Christopher A | East Providence, RI | 1 | 30 |
# of filed Patents : 1 Total Citations : 30 |
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Patent Citation Ranking
- 30 Citation Count
- G06K Class
- 51.15 % this patent is cited more than
- 20 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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