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:
Sep. 24, 2024
Filed:
May. 27, 2022
Applicant:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventors:
Noriyuki Kikuchi, Mishima Shizuoka, JP;
Hiroki Ikegami, Sunto Shizuoka, JP;
Assignee:
RISO Technologies Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14209 (2013.01); B41J 2/04516 (2013.01); B41J 2/04581 (2013.01); B41J 2/04588 (2013.01); B41J 2/04596 (2013.01); B41J 2/04598 (2013.01); B41J 2/14201 (2013.01); B41J 2/1433 (2013.01);
Abstract
According to one embodiment, an inkjet head includes a pressure chamber for ink, a nozzle plate including a nozzle connected to the pressure chamber, an actuator to change a volume of the pressure chamber, and a drive circuit that drives the actuator. The drive circuit drives the actuator according to a drive waveform including an expansion waveform, a first weak contraction waveform, a contraction waveform, and a second weak contraction waveform.