Device and method for controlling the calorimetric quality...

G - Physics – 01 – J

Patent

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G01J 3/50 (2006.01) B41F 33/00 (2006.01) G06K 7/10 (2006.01)

Patent

CA 2558449

The invention relates to a novel control device and a method for using said device for the calorimetric quality assurance of photographic documents or any colour and monochrome products printed on any type of supports. Said inventive control device is embodied in the form of an improved reflective spectrophotometer which also makes it possible to read bar codes. The use of said novel control device requires the use of a novel method which enables any user of a production machine to be assigned with an unique alpha digital identifier for any arbitrary product configuration leading to an arbitrary chromatic response (reflectance spectrum or colour spectrum obtained according to a printed file values) which are considered by said competent user as desirable and retainable for certain products.

La présente invention est constituée d~un nouvel appareil de contrôle et de son procédé d~utilisation associé pour l~assurance de la qualité colorimétrique des documents photographiques ou productions imprimées couleurs et monochromes de toutes natures sur tous types de supports. Le nouvel appareil de contrôle proposé est un spectrophotomètre par réflexion amélioré permettant aussi la lecture des codes à barres. L~usage de ce nouvel appareil de contrôle fait appel à un nouveau procédé qui permet à tout Utilisateur d~une machine de production de se voir attribuer un identificateur alphanumérique unique au monde, pour toute configuration arbitraire de production conduisant à une réponse chromatique arbitraire (spectres de réflexions ou couleurs obtenues en fonction des valeurs du fichier imprimé) qui soit considérée par cet Utilisateur compétent comme souhaitable et à retenir pour certaines productions.

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