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. 23, 2024
Filed:
May. 20, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Hiroki Miyajima, Matsumoto, JP;
Kazuya Tajima, Shiojiri, JP;
Yuji Shingu, Shiojiri, JP;
Yasuyuki Kudo, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 29/377 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04581 (2013.01); B41J 29/377 (2013.01);
Abstract
A liquid ejecting head includes a first drive circuit including a switching element that selects, from a plurality of drive elements, a drive element to which a drive signal for ejection of liquid through a nozzle is sent, a case defining a first accommodating portion that is a space accommodating the first drive circuit, and a first gas supply passage that is in communication with the first accommodating portion and through which gas is supplied to the first accommodating portion.