Liquid ejection apparatus, pattern group recording method, tilt angle detection method and computer readable medium
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United States of America Patent
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Jul 21, 2015
Grant Date -
Apr 2, 2015
app pub date -
Sep 25, 2014
filing date -
Sep 30, 2013
priority date (Note) -
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Abstract
Each of unit patterns includes: a first region which is recorded on a recording medium by liquid ejected from ejection openings of both first and second ejection opening arrays of ejection opening arrays; and at least one second region which is recorded on the recording medium by liquid ejected from the ejection openings of one of the first and the second ejection opening arrays, the first region is a region formed based on dot allocation with which an optical characteristic varies in accordance with intervals of dots formed by the impacted liquid in a fourth direction which is orthogonal to a first direction, and the at least one second region is a region formed based on dot allocation with which the optical characteristic varies in accordance with intervals of the dots formed by the impacted liquid in the first direction.
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