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 8777361 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 15, 2014

Filed:

Jul. 20, 2012
Applicant:

Kiyomi Tamagawa, Kanagawa, JP;

Inventor:

Kiyomi Tamagawa, Kanagawa, JP;

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

An apparatus includes: a first lookup table storage device which stores a first lookup table; a second lookup table storage device which stores a second lookup table; a halftone table storage device which stores a halftone table; a third lookup table generating device which generates a third lookup table by extracting a portion of the data from the second lookup table; a third lookup table storage device which stores the third lookup table; an evaluation processing device which performs calculation for evaluating a liquid ejection volume, on the basis of the evaluation input signal, the first lookup table, the third lookup table, the halftone table and the liquid volume per dot; and an adjusting device which adjusts the ejection volume on the basis of the evaluation results, in such a manner that the liquid ejection volume does not exceed a specified value.


Find Patent Forward Citations

Tamagawa, Kiyomi. (2014). Liquid ejection volume control apparatus and method, program and inkjet apparatus (U.S. Patent No. 8777361). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8777361

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