Density correction method and printing apparatus employing...

Details Density correction method and printing apparatus employing... Density correction method and printing apparatus employing...

2006-08-08

2006-08-08

Tran, Douglas Q. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003100, C358S001800

Reexamination Certificate

active

07088471

ABSTRACT:
Density correction method capable of performing density correction at high speed with high precision. In a printing apparatus adopting this method, a predetermined test pattern image is printed on a printing medium, the printed test pattern image is optically read by a sensor at first resolution, the quality of the read image is evaluated, based on the evaluation result the printed test pattern image is optically read by the sensor at second resolution higher than the first resolution, and correction data is generated based on the read test pattern image.

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patent: 2004-058284 (2004-02-01), None

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