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(11) | EP 1 096 441 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | A device and a method for identifying graphic matter |
(57) The identification device comprises a light sensor which is focused on the document
to be identified by means of an optical system and which can receive light reflected
on the document and emitted by light sources incorporated in the device, the light
sources being tuned individually to different wavelengths. The method comprises; the
emission of light of a controlled wavelength directed towards a region of the document
to be checked, the collection of the reflected light on a light sensor by means of
an optical focusing system, and the transmission of the signal generated in the light
sensor to an interpretation and validation microprocessor. |