Paper sheet processor

Details Paper sheet processor Paper sheet processor

2005-12-02

2010-11-23

Bhatnagar, Anand (Department: 2624)

Image analysis

Applications

Reading paper currency

C356S071000, C382S137000, C382S138000

Reexamination Certificate

active

07840056

ABSTRACT:
In a paper sheet processing apparatus comprising a function for determining the state of a paper sheet, an optical sensor generates template data by optically reading the state of an input paper sheet. A template data unit stores template data of a paper sheet. An image processing unit corrects gradation data of the whole paper sheet based on the gradation data of a predetermined area of the paper sheet obtained by the optical sensor. Based on comparison of the corrected gradation data with the template data, the state of the paper sheet is determined.

REFERENCES:
patent: 6741727 (2004-05-01), Hirasawa
patent: 6950114 (2005-09-01), Honda et al.
patent: 2006/0066882 (2006-03-01), Yamauchi et al.
patent: 2007/0258633 (2007-11-01), Jones et al.
patent: 53-100895 (1978-09-01), None
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patent: 6-251222 (1994-09-01), None
patent: 2000-182115 (2000-06-01), None
patent: 2002-373357 (2002-12-01), None
Japanes Office Action issued on Feb. 10, 2009 in corresponding Japanese Patent Application 2005-213599.

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