Ink jet printer having interlaced print scheme

Details Ink jet printer having interlaced print scheme Ink jet printer having interlaced print scheme

1978-01-09

1980-04-15

Miller, Jr., George H.

Recorders

Record receiver deforming

G01D 1518

Patent

active

041986423

ABSTRACT:
An ink jet printer for printing an image on an intermittently moving print web includes a print head means for generating a number of ink jet drop streams which are directed at the web. Each of the streams provide for printing along an associated print line on the web, with the spacing in the direction of web movement between adjacent drop streams being an integer multiple of the width of a print line. This integer multiple is chosen to have no prime factors greater than unity in common with the number of jets which are generated by the print head means. The print web is moved intermittently past the print head means by a distance equal to the product of the width of a print line times the number of jet streams which are generated by the print head means. The print head means is moved transversely across the print web after each intermittent movement of the print web such that a number of print lines across the print web are serviced. Uninterrupted printing may be accomplished along the length of the print web. An alternative printer arrangement is disclosed in which the print head means generates ink jet drop streams at only some of the print positions on the print head means such that bands of print lines are interlaced therewith which receive no ink jet drops thereon.

REFERENCES:
patent: 3689693 (1972-09-01), Cahill et al.
patent: 3701998 (1972-10-01), Mathis
patent: 3871004 (1975-03-01), Rittberg
patent: 4009332 (1977-02-01), Van Hook
Bruce, G. D., Ink Jet Nozzles in a Ring Array, IBM Technical Disclosure _Bulletin, May 1976, vol. 15, No. 11, pp. 3917-3918.

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