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:
Aug. 23, 2022
Filed:
Mar. 26, 2020
Seiko Epson Corporation, Tokyo, JP;
Hisako Kojima, Kai, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
There is provided an optical scanner including: a mirror having a reflection surface for reflecting light, and a first back surface positioned at a side opposite to the reflection surface; a permanent magnet disposed at the first back surface of the mirror; a support portion that supports the mirror and has a second back surface positioned at the same side as the first back surface; a shaft portion that couples the mirror and the support portion to each other and enables the mirror to swing around a swing axis; a first member disposed at the second back surface of the support portion; a second member that supports the first member in a cantilever manner in a direction orthogonal to the swing axis and along the second back surface; a third member disposed to face the first member via the second member and coupled to the second member; and an electromagnetic coil disposed between the first member and the third member.