Printing apparatus with generating means for generating a mask pattern comprising a plurality of planes, control method therefor, and program
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United States of America Patent
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-
Nov 27, 2007
Grant Date -
Dec 12, 2002
app pub date -
Jun 6, 2002
filing date -
Jun 7, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CPU generates a mask pattern by generating patterns corresponding to a predetermined number of times in the sub-scanning direction in accordance with the number of printing elements of a printhead which corresponds to the amount by which scanning is performed once in the sub-scanning direction, and repeating this operation by the number of times corresponding to a predetermined number of columns. The generated mask pattern is stored in an RAM. An image is then printed by using image data and the mask pattern stored in the RAM for each printing timing signal in the main scanning direction.
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