The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6914621 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 05, 2005

Filed:

Jul. 31, 2003
Applicant:

Tetsuya Kojima, Kanagawa, JP;

Inventor:

Tetsuya Kojima, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J002/47 ;
U.S. Cl.
CPC ...
Abstract

Upon adjustment before the adjustment of a heat development recording apparatus, a continuous recording pattern is outputted. The recording density of this continuous recording pattern is measured by a recording density measuring unit. A shading correction table for each pixel is formed and the shading correction table is registered in a storing unit. On the other hand, after the heat development recording apparatus is shipped without mounting the recording density measuring unit thereon, a discrete recording pattern is outputted. The recording density of the discrete recording pattern is measured for each discrete recording position to generate a shading correction table. The shading correction table registered in the storing unit is updated. Therefore, it is possible to reduce a cost while a good shading correction function is ensured.


Find Patent Forward Citations

Kojima, Tetsuya. (2005). Shading correction method for heat development recording apparatus and heat development recording apparatus (U.S. Patent No. 6914621). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6914621

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