Method and apparatus for defining the position of the edge...

Details Method and apparatus for defining the position of the edge... Method and apparatus for defining the position of the edge...

G - Physics

01

B

G01B 11/00 (2006.01) B41J 3/407 (2006.01) B65C 1/02 (2006.01) G01B 11/02 (2006.01)

Patent

CA 2447708

Method for determining the position of an edge surface of e.g. boardlike objects (11) arranged in a pile (12) and for marking the objects by means of a print head, in which method the height of the edge surface and/or its position in space is measured by means of a measuring element, in which method the actual deviation of the edge surface (13) from a theoretical basic plane is determined by measuring the spatial coordinates of the edge surface, and the movements of the print head are controlled using the information thus determined so that its distance from the marking point remains at a desired or a substantially constant value.

Cette invention concerne un procédé permettant de déterminer la position de la surface latérale d'objets (11) de type planches empilés (12) et permettant également de marquer ces objets à l'aide d'une tête d'impression. Selon ce procédé, la hauteur de la surface latérale et/ou sa position dans l'espace est mesurée à l'aide d'un instrument de mesure. L'écart réel de la surface latérale (13) par rapport à un plan de base théorique est déterminé à l'aide de la mesure des coordonnées spatiales de la surface latérale, et les déplacements de la tête d'impression sont commandés selon les informations ainsi déterminées de sorte que la distance qui la sépare du point de marquage reste à une valeur souhaitée ou sensiblement constante.

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