Patent ID: 6554384
Filing Date: 2003-04-29
Classification: G06K,H04N

Abstract:
An ink jet printing apparatus for scanning a printing medium a plurality of times with a printing head having a plurality of discharging portions to form a line of pixels extending in a scanning direction of the printing head, said apparatus comprising:data assigning means for assigning driving data for the line of pixels to be formed by the plurality of times of scanning, said data assigning means assigning the driving data for each of the plurality of times of scanning, plural memories provided in correspondence to each of the plurality of times of scanning so as to store the driving data assigned to said each of the plurality of times of scanning; and driving means for causing the printing head to discharge ink during each of the plurality of times of scanning, based on driving data assigned to said each scanning, wherein said data assigning means, for each of the driving data for the line of pixels to be formed by the plurality of times of scanning, repeats selecting one of said plurality of memories by means of a pointer and storing the driving data in the selected memory, so as to assign the driving data for the line of pixels to the plurality of times of scanning.