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 8342623 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 01, 2013

Filed:

Jun. 16, 2010
Applicants:

Young-ki Hong, Anyang-si, KR;

Jae-woo Chung, Yongin-si, KR;

Joong-hyuk Kim, Seoul, KR;

Inventors:

Young-ki Hong, Anyang-si, KR;

Jae-woo Chung, Yongin-si, KR;

Joong-hyuk Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods of adjusting ink ejection characteristics of an inkjet printing apparatus and driving the inkjet printing apparatus are provided. A method of adjusting ink ejection characteristics of an inkjet printing apparatus may include adjusting at least one of a voltage and an application duration of a driving signal applied to a plurality of piezoelectric actuators that provide ejection pressures to a plurality of nozzles so that volumes of a plurality of ink droplets ejected from the plurality of nozzles are uniform, and displacing an application starting time of the driving signal applied to the plurality of piezoelectric actuators so that the plurality of ink droplets ejected from the plurality of nozzles reach a printing medium at a same time.


Find Patent Forward Citations

Hong, Young-ki. (2013). Methods of adjusting ink ejection characteristics of inkjet printing apparatus and driving the inkjet printing apparatus (U.S. Patent No. 8342623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8342623

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