Ink-jet printing apparatus
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United States of America Patent
Stats
-
Jun 29, 1999
Grant Date -
N/A
app pub date -
Feb 7, 1997
filing date -
Feb 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the ink-jet printing apparatus, each nozzle is selected so that time differences of drive timings of adjacent nozzles become random in the entire ink-jet head. Thus, texture noise can be prevented and the picture quality can be improved. In this apparatus, when the time differences of drive timings of adjacent nozzles are 2T, T, 2T, 3T, and so forth, four nozzles in sixteen nozzles set to be enable in one scanning operation are selected in such a manner that time differences of drive timings of adjacent nozzles become random in the entire ink-jet head.
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