Inspection apparatus and inspection method

Optics: measuring and testing – Document pattern analysis or verification

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 5915518 (1999-06-01), Hopwood et al.
patent: 5918960 (1999-07-01), Hopwood et al.
patent: 2002/0195571 (2002-12-01), Kamijo et al.
patent: 10-40436 (1998-02-01), None
patent: 2000-132725 (2000-05-01), None
patent: 2001-307170 (2001-11-01), None
patent: 2002-074450 (2002-03-01), None
patent: 2002-109598 (2002-04-01), None
patent: 2003-006625 (2003-01-01), None

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