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. 28, 2026
Filed:
Dec. 14, 2023
Seiko Epson Corporation, Tokyo, JP;
Osamu Shinkawa, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting apparatus including: an ejection section including a piezoelectric element that is driven by a drive signal in a unit period, a pressure chamber having a volume changed according to driving of the piezoelectric element, and a nozzle ejecting the liquid in the pressure chamber; a detection section detecting a potential the piezoelectric element; and a determination section determining an ejection state of the ejection section according to a detection result of the detection section using a determination mode selected from among a plurality of determination modes, in which when the piezoelectric element is driven in another unit period preceding one unit period, the determination section determines the ejection state of the ejection section using the first determination mode, and when the piezoelectric element is not driven in the other unit period, the determination section determines the ejection state of the ejection section using the second determination mode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile