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:
Jan. 02, 2024
Filed:
Jan. 19, 2021
Seiko Epson Corporation, Tokyo, JP;
Chikara Kojima, Matsumoto, JP;
Koji Ohashi, Matsumoto, JP;
Tomohiro Sayama, Matsumoto, JP;
Seiji Izuo, Shiojiri, JP;
Kanechika Kiyose, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
Provided is an ultrasonic device including a substrate and a vibration plate provided on the substrate and having one or more vibrators configured to generate an ultrasonic wave by vibration. The vibration plate has a movable portion provided with the vibrator and configured to vibrate accompanying with the vibration of the vibrator, and a fixed portion fixed to the substrate. A vibration frequency of a reflected wave based on a wave transmitted from the movable portion and received by the movable portion is outside a vibration frequency band region of the vibrator.