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. 30, 2021
Filed:
Feb. 26, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yoichiro Kondo, Chino, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14233 (2013.01);
Abstract
A head unit includes piezoelectric elements configured to be driven in accordance with a drive signal to discharge liquid from nozzles, a protection plate protecting the piezoelectric elements, a head chip including a selection circuit disposed on the protection plate, the selection circuit being configured to select to supply or not to supply the drive signal to the piezoelectric elements, a heat sink, and a thermal conductor coupling the head chip and the heat sink.