Detection of counterfeit currency
Patent
·
OSTI ID:871577
- Los Alamos, NM
A method of detecting counterfeit currency by contacting the currency to be tested with near infrared beams in the spectrum below 1250 namometers, measuring reflectance of the near infrared beams and comparing the reflectance values with those from genuine currency.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Assignee:
- Regents of University of Calif. (Oakland, CA)
- Patent Number(s):
- US 5757001
- OSTI ID:
- 871577
- Country of Publication:
- United States
- Language:
- English
Principal Component Analysis of Diffuse Near-Infrared Reflectance Data from Paper Currency
|
journal | November 1989 |
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