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.

Date of Patent:
Nov. 19, 2013

Filed:

Oct. 20, 2011
Applicants:

Kang Woong Ko, Seoul, KR;

Dae Jung Kim, Seoul, KR;

Dong Woo Paeng, Anyang-si, KR;

Inventors:

Kang Woong Ko, Seoul, KR;

Dae Jung Kim, Seoul, KR;

Dong Woo Paeng, Anyang-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/205 (2006.01);
U.S. Cl.
CPC ...
Abstract

In an embodiment of the apparatus, a transparent inkjet head includes a first plurality of nozzles, and a color inkjet head includes a second plurality of nozzles. A color value measurement unit is configured to measure color values of ink applied to a plurality of pixels based on signals applied to the second plurality of nozzles of the color inkjet head and signals applied to the first plurality of nozzles of the transparent inkjet head. A control unit is configured to compare the measured color values of the ink applied to the plurality of pixels with a target value and to change the signals applied to the first plurality of nozzles of the transparent inkjet head such that the measured color values of the ink applied to the plurality of pixels are uniform.


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