Dot printing with partial double scanning of raster lines
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United States of America Patent
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-
Feb 20, 2001
Grant Date -
N/A
app pub date -
Apr 30, 1998
filing date -
May 7, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The sub-scan feed is carried out by a fixed amount of F dots. When is set equal to k dots (where k is an integer of not less than 3), a number of used nozzles N in the course of one main scan (where N is an integer of not less than 3) and parameters Na, Nb, Nb, m, and L satisfy Equations: (1)-(4), (1) N=Na+Nb, (2) Na=m.times.k.+-.1, (3) Nb=Rd(L.times.Na.div.k), (4) F=Na, where Na is the number of basic nozzels, Nb is the number of additional nozzels, m is an integer of not less than 1, L is an integer satisfying a relation of 1.ltoreq.L
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