Recording apparatus and recording control method, and ink jet recording method and apparatus
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United States of America Patent
Stats
-
Jun 21, 2005
Grant Date -
Apr 15, 2004
app pub date -
Aug 28, 2003
filing date -
Feb 22, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet recording apparatus provides a plurality of recording heads arranged in a scanning direction, each having a plurality of nozzles arranged substantially perpendicular to the scanning direction, and records by discharging ink from the nozzles onto a recording medium by application of drive signals. The apparatus divides the plurality of nozzles among a plurality of blocks having a predetermined number of nozzles and sequentially drives each block so as to discharge ink within a discharge cycle. The apparatus has a column counter for counting a number of nozzles driven in a discharging cycle in each recording head, and a block counter for counting a number of nozzles driven in each block, and determines a pulsewidth of a heat signal for each recording head by a heat timing controller, based upon count values counted by the column counter and block counter.
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