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

APP PUB NO 20050100204A1
SERIAL NO

10703043

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
SPECTRA SYSTEMS CORPORATION321 SOUTH MAIN STREET PROVIDENCE RI 02903

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Afzal, Robert S Providence, RI 9 142
Oliver, Don Wrentham, MA 2 33
Schera, Christopher A East Providence, RI 1 30

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Patent Citation Ranking

  • 30 Citation Count
  • G06K Class
  • 51.15 % this patent is cited more than
  • 20 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges920516310291453916225152501 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0102030405060708090100110120130140150160170180190200210220

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