Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1983-05-02
1985-09-10
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 75, 358 75, G01D 1518
Patent
active
045409960
ABSTRACT:
A recording apparatus has M different color recording heads (i.e., M columns) which are disposed parallel to each other such that they extend perpendicularly to a main scanning direction and such that two adjacent recording heads are spaced apart by an L-dot interval from each other. At the same time, the M recording heads are offset from each other by l-dot intervals. Each recording head has N nozzles which are spaced apart by K-dot intervals from each other along the subscanning direction. The recording apparatus satisfies either the inequality lM.ltoreq.K (where K/N is an irreducible fraction) or inequalities lM>K and K(N-1)+1>l (where K/l is an irreducible fraction), thereby preventing double recording (so that only a single nozzle injects an ink onto a single point on a recording paper sheet) and omissions.
REFERENCES:
patent: 4232324 (1980-11-01), Tsao
patent: 4320406 (1982-03-01), Heinzl
patent: 4401991 (1983-08-01), Martin
patent: 4413275 (1983-11-01), Horiuchi
Canon Kabushiki Kaisha
Hartary Joseph W.
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