Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate
2006-09-19
2006-09-19
Lauchman, Layla G. (Department: 2877)
Optics: measuring and testing
Document pattern analysis or verification
C250S205000
Reexamination Certificate
active
07110093
ABSTRACT:
A banknote inspection apparatus has a conveyance path, and midway of this conveyance path there are conveyance rollers for conveying a banknote, and a fluorescence sensor for detecting a fluorescent component included in the banknote. The fluorescence sensor has a housing and in this housing there are a light-emitting device for emitting light toward a banknote, and a light-detecting device for detecting fluorescence emitted from the surface of the banknote irradiated with ultraviolet light. A fluorescent member that generates fluorescence in response to the light emitted from the light-emitting device is placed in an inspection area of the conveyance path. In inspection of the banknote, the quantity of fluorescence from the fluorescent member is first detected, and the quantity of the light emitted from the light-emitting device is corrected based on the quantity of the fluorescence detected. Then the content of the fluorescent component in the banknote is detected in that state.
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Lauchman Layla G.
Leydig , Voit & Mayer, Ltd.
Merlino Amanda
Nidec Copal Corporation
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