Method and apparatus for improving ink-jet print quality using a

Details Method and apparatus for improving ink-jet print quality using a Method and apparatus for improving ink-jet print quality using a

1997-06-09

1999-08-10

Evans, Arthur G.

395108, G06K 1500

Patent

active

059371455

ABSTRACT:
A computerized method for improving ink-jet print quality. A jittered print mode is instigated to scatter print errors having a cyclic cause, viz., patterns of visibly noticeable artifacts or dot arrangements caused by mechanical misalignments and vibrations and electrical tolerance variations that are cyclic in nature. A jitter of ink droplet firing time is intentionally introduced whereby printed dot placement is offset less than a dot diameter. The jitter algorithm is adaptable to a variety of implementation schemes.

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Patent Abstract of Japan; JP 58 199166A (Canon KK).
European Search Report for related EP Applicantion No. 98304426.4-2304; Dated Nov. 30, 1998.

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