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:
Nov. 16, 2021
Filed:
Dec. 18, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Keigo Sugai, Chino, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/14 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04541 (2013.01); B41J 2/14233 (2013.01); B41J 2/04581 (2013.01); B41J 2002/14338 (2013.01); B41J 2202/05 (2013.01);
Abstract
A droplet discharge head includes a plurality of nozzles, first liquid chambers communicating with the nozzles, a first inflow path for supplying a liquid to the first liquid chambers, a first actuator that individually changes pressures of the first liquid chambers, and a second actuator that changes pressures of a plurality of first liquid chambers in common, in which an expansion/contraction amount of the second actuator is larger than that of the first actuator.