Ink jet recording method and apparatus

Details Ink jet recording method and apparatus Ink jet recording method and apparatus

1994-05-26

2000-12-26

Barlow, John

Incremental printing of symbolic information

Ink jet

Controller

347 41, 347 43, B41J 201

Patent

active

061647454

ABSTRACT:
A plurality of recording heads capable of ejecting inks of different colors is reciprocated relative to a recording material to print ink dots on the recording material while effecting main scanning in the forward and the backward pass thereof. A plurality of thinning patterns produced by preparing m.times.n unit picture element groups and arraying these unit groups in such a manner that the groups avoid mutually adjoining and assume a mutually complementary relation is used to effect a plurality of rounds of main scanning in the forward and the backward pass over an area which can be printed by one round of main scanning, record a thinned image, and complete the recording of an image. The array of picture element groups in the thinning patterns is determined so that the groups may mutually adjoin relative to the direction of main scanning.

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Research Disclosure, "Bi-Directional Print Alignment Ease-of-Use", No. 317, Sep. 1990.

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