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:
Apr. 21, 2020
Filed:
Jun. 29, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yukimasa Ishida, Shiojiri, JP;
Hironori Matsuoka, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/045 (2006.01); B41J 2/14 (2006.01); B41J 2/195 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17556 (2013.01); B41J 2/0451 (2013.01); B41J 2/04578 (2013.01); B41J 2/04581 (2013.01); B41J 2/1433 (2013.01); B41J 2/14233 (2013.01); B41J 2/175 (2013.01); B41J 2/17523 (2013.01); B41J 2/17596 (2013.01); B41J 2/195 (2013.01); B41J 2002/14419 (2013.01);
Abstract
A liquid discharge apparatus including a liquid discharge head that discharges a liquid by vibrating a vibration plate by a drive element and changing a pressure in an internal space filled with the liquid, a pressurization supply unit that forcibly feeds the liquid into the liquid discharge head, and a controller that restricts drive of the drive element in accordance with a pressure condition in the liquid discharge head.