Improvements relating to print engines

H - Electricity – 04 – N

Patent

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Details

H04N 1/52 (2006.01) H04N 1/191 (2006.01) H04N 1/401 (2006.01) H04N 1/405 (2006.01)

Patent

CA 2484415

A print engine receives image data elements relating to an image to be printed and generates print element control instructions for communication to a plurality of pens (e.g. inkjet pens). The print engine includes: a halftoning processor for receiving the image data elements and generating a halftone data set therefrom (e.g. a colour halftone data set); and a plurality of print element controllers associated with said halftoning processor, each print element controller being adapted to generate print element control instructions from said halftone data set to drive a plurality of pens. In one embodiment each controller drives at least two en array printing the same colour of ink, carries out masking of the halftone data and divides the deposition of droplets between the two arrays.

Selon l'invention, un moteur d'impression reçoit des éléments de données image associés à une image à imprimer, et produit des instructions de commande d'élément d'impression destinées à être communiquées à une pluralité de buses (par exemple des buses à jet d'encre) commandées par le moteur d'impression. Ce moteur d'impression comprend: un processeur de création de demi-tons permettant de recevoir les éléments de données image et de produire un ensemble de données de demi-tons provenant dudit processeur; et une pluralité de contrôleurs d'élément d'impression associés audit processeur de création de demi-tons, chaque contrôleur d'élément d'impression étant conçu pour produire des instructions de commande d'élément d'impression provenant dudit ensemble de données de demi-tons afin d'entraîner différents éléments d'impression.

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