G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/00 (2006.01)
Patent
CA 2674192
Device (1) for the taking of fingerprints, wherein the fingerprint is impressed on an impression surface (3) of a prism (5), allows to obtain of a predetermined image by indirect light, less sensitive to the presence of residues and dirt, and comprises a light source (15) laterally placed with respect to the taking surface (11) on which the fingerprint is impressed, one surface (12) adjacent to that on which the fingerprint is impressed being treated so as to have one layer (13) having a reduced reflectivity directed toward the inside of the prism (5).
Dispositif (1) permettant de relever les empreintes digitales, à l'aide duquel une empreinte digitale est imprimée sur une surface d'impression (3) d'un prisme (5). Ledit dispositif permet d'obtenir une image prédéterminée avec de la lumière indirecte, est moins sensible à la présence de saletés et de poussière et comporte une source de lumière (15) placée latéralement par rapport à la surface de relevé (11) sur laquelle l'empreinte digitale est imprimée, une surface (12) adjacente à celle sur laquelle l'empreinte digitale est imprimée étant traitée de manière à comporter une couche (13) à réflectivité réduite dirigée vers l'intérieur du prisme (5).
Fetherstonhaugh & Co.
Italdata-Ingegneria Dell'idea S.p.a.
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