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. 05, 2021
Filed:
Jul. 17, 2019
Applicant:
Stanley Electric Co., Ltd., Tokyo, JP;
Inventors:
Makoto Sakurai, Tokyo, JP;
Mamoru Miyachi, Tokyo, JP;
Assignee:
STANLEY ELECTRIC CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); F21S 41/675 (2018.01);
U.S. Cl.
CPC ...
G02B 26/0858 (2013.01); F21S 41/675 (2018.01);
Abstract
There is provided an irradiation apparatusincluding a laser light source, a light deflector, and a control unit. The light deflectorhas a piezoelectric actuatorthat include a plurality of piezoelectric cantileversin a meandering pattern arrangement. In the control unit, the driving voltage control unitstops supplying a driving voltage to some piezoelectric cantileverswhen a designated drawing area designated by the drawing area designating unitis an upper drawing area Fu and a lower drawing area Fd that are partial drawing areas.