Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-02-22
2005-02-22
Meier, Stephen D. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S037000, C347S005000, C400S076000, C400S070000, C400S061000
Reexamination Certificate
active
06857716
ABSTRACT:
The invention provides high-speed and high-quality printing when the vertical and horizontal resolutions of print data to be printed differ from the vertical and horizontal resolutions which a printer can process. A table is provided, in which the relationship of position in each printing pass of each of a plurality of pins aligned in the vertical direction of a printing head to a plurality of raster lines in a predetermined range to be printed is examined, whereby the pins aligned in the vertical line to be actuated in each printing pass are determined based on the relationship of a position between each of the pins and each of the raster lines. The table serves as a raster-line/pin-relationship table. A printer driver receives print data from a print-data forming unit, consults the raster-line/pin-relationship table, and actuates the pins for each printing pass according to the raster-line/pin-relationship table.
REFERENCES:
patent: 5959646 (1999-09-01), Bates et al.
patent: 6336701 (2002-01-01), Hickman
patent: 20030151640 (2003-08-01), Marra et al.
Liang Leonard
Meier Stephen D.
Oliff & Berridg,e PLC
Seiko Epson Corporation
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