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.:
Date of Patent:
Jul. 12, 2016
Filed:
Apr. 24, 2015
Applicant:
Naruhiro Masui, Kanagawa, JP;
Inventor:
Naruhiro Masui, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04581 (2013.01); B41J 2/04506 (2013.01); B41J 2/04563 (2013.01); B41J 2/04586 (2013.01); B41J 2/04588 (2013.01); B41J 2/04593 (2013.01);
Abstract
The invention is concerning a head driving device that drives a recording head including a plurality of nozzles and a plurality of pressure generating elements corresponding to the respective nozzles. The head driving device comprises: a plurality of drive waveform generating units corresponding to the respective pressure generating elements, wherein the drive waveform generating units drive the respective pressure generating elements on the basis of pieces of drive waveform information that are set for the respective nozzles so as to approximately equalize ejection characteristics of droplets ejected from the nozzles.