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:
Aug. 05, 2025
Filed:
Dec. 08, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yu Shiozawa, Shiojiri, JP;
Masaki Mori, Shiojiri, JP;
Motoki Takabe, Shiojiri, JP;
Hitoshi Takaai, Azumino, JP;
Eiju Hirai, Azumino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/45 (2006.01); B41J 2/045 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04536 (2013.01); B41J 2/04513 (2013.01); B41J 2/04541 (2013.01); B41J 2/04563 (2013.01); B41J 2/04581 (2013.01); B41J 2/04588 (2013.01); B41J 2/14233 (2013.01);
Abstract
The controller drives the piezoelectric body such that, when the cumulative number of times of the driving is a second number of times greater than the first number of times, the voltage difference is a second value smaller than the first value.