Ink jet printing apparatus and ink jet printing method
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
Jul 25, 2002
app pub date -
Dec 3, 2001
filing date -
Dec 4, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
This invention provides an ink jet printing apparatus and method with an inexpensive arrangement that allows a stable supply of an appropriate voltage to heaters without requiring varying load resistance or changing a power supply voltage. The ink jet printing apparatus of this invention has a plurality of nozzles arrayed in a print head; a plurality of energy generators installed one in each of the nozzles for generating an ejection energy to eject ink from the nozzles, the plurality of energy generators being divided into a plurality of blocks; and a drive controller f or simultaneously driving the energy generators in each block. The drive controller supplies an energy to the energy generators making up each block through different kinds of energy supply paths.
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