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:
Jun. 03, 2025
Filed:
Feb. 28, 2023
Seiko Epson Corporation, Tokyo, JP;
Shinichi Wakabayashi, Suwa, JP;
Tatsuya Takahashi, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A vibration generation device includes: a base configured to transmit vibration to an object; a pendulum supported by the base swingably around a rotation axis; and a driving unit including a magnet, and a coil disposed to face the magnet in a non-contact manner, and configured to swing the pendulum. One member of the magnet and the coil is provided at a position on the pendulum away from the rotation axis. The base includes a support portion supporting the pendulum swingably around the rotation axis. A part of an extension surface of a facing surface of the support portion facing the pendulum is included in a swingable range of the pendulum. The support portion is provided outside the swingable range of the pendulum when viewed along the rotation axis.