Optical sensing device for detecting optical features of...

G - Physics – 07 – D

Patent

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G07D 7/12 (2006.01) G01N 33/34 (2006.01)

Patent

CA 2646498

An optical sensing device for detecting optical features of valuable papers is disclosed. The device contains a triplex assembly opposed to a passageway for guiding the transported valuable paper. The triplex assembly has two light emitting elements for emitting first and second lights of the different wavelengths from each other, and a light receiving element for receiving the first and second lights reflected on the valuable paper at the different points in time. The triplex assembly also has a case for accommodating the light emitting elements and light receiving element in the fixed positions.

La présente invention concerne un dispositif de détection destiné à détecter les caractéristiques optiques de papiers de valeur. Le dispositif contient un ensemble triplex opposé à un passage pour guider le papier de valeur transporté. L'ensemble triplex comporte deux éléments émetteurs de lumière émettant un premier et un second faisceaux de lumière à des longueurs d'onde distinctes l'un par rapport à l'autre, ainsi qu'un élément récepteur de lumière pour recevoir les deux faisceaux lumineux, qui sont réfléchis sur le papier de valeurs à divers points dans le temps. L'ensemble triplex comporte également un boîtier pour loger les éléments émetteurs de lumière et l'élément récepteur de lumière à des positions fixes.

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