Printhead compatible with various printers and ink-jet printer using the printhead
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United States of America Patent
Stats
-
May 1, 2001
Grant Date -
N/A
app pub date -
Jun 26, 1997
filing date -
Jul 1, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printhead compatible with various printers, e.g. a printer having low print density or a printer having high print density, enables printing in the best capability of the printer. The printhead comprises: a determination circuit 24 which determines a type of a printer incorporating the printhead, and switches SW1 and SW2 which select a method of driving the printhead according to in the printer, on the basis of the determination result by the determination circuit 24. When the printhead is installed in the printer capable of printing at 360 dpi, four print dots printed at 720 dpi substantially express one dot printed at 360 dpi. Meanwhile, when the printhead is installed in the printer capable of printing at 720 dpi, one print dot expresses one dot printed at 720 dpi.
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Family
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Cited Art Landscape
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