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:
Sep. 30, 2025
Filed:
Jun. 22, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Atsushi Toyofuku, Shiojiri, JP;
Toshiro Murayama, Fujimi, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04573 (2013.01); B41J 2/04586 (2013.01);
Abstract
A method of determining an ejection state of a liquid ejecting head having a plurality of nozzles that are arrayed in a second direction intersecting a first direction and from which liquid is ejected in the first direction includes: an acquiring step of acquiring a plurality of positional information items by capturing, at a plurality of timings, images of droplets ejected from the plurality of nozzles; and a determining step of determining the ejection state based on the plurality of positional information items.