Device for checking banknotes

Details Device for checking banknotes Device for checking banknotes

2004-05-21

2008-08-19

Stafira, Michael P (Department: 2886)

Optics: measuring and testing

Document pattern analysis or verification

Reexamination Certificate

active

07414710

ABSTRACT:
The invention relates to an apparatus for checking bank notes, having a linear sensor and a linear light source wherein the bank notes are moved past between the sensor and the light source for the check, and the sensor detects light from the light source transmitted by the bank notes.The invention starts out from the consideration of equipping the linear sensor and the linear light source each with an aperture such that the aperture of the light source is equal to or smaller than the aperture of the sensor.

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