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:
Oct. 20, 2026
Filed:
Jun. 21, 2024
Seiko Epson Corporation, Tokyo, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head includes, a pressure chamber substrate that includes a pressure chamber in which pressure for ejecting the liquid from the nozzle is applied to the liquid, and an absorption chamber that is adjacent to the pressure chamber in a second direction and absorbs vibration of the liquid generated when the pressure is applied to the liquid in the pressure chamber, a first vibration plate that is provided corresponding to the pressure chamber and vibrates to apply the pressure to the liquid, a second vibration plate that is provided corresponding to the absorption chamber and vibrates to absorb the pressure of the liquid, a second wiring portion that is provided at a position corresponding to the absorption chamber, and a pressure acquisition portion that acquires the pressure of the absorption chamber based on a resistance value of the second wiring portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile