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. 13, 2020
Filed:
Dec. 17, 2018
Applicant:
Stanley Electric Co., Ltd., Meguro-ku, Tokyo, JP;
Inventors:
Naoya Matsumaru, Tokyo, JP;
Kenji Nagashima, Tokyo, JP;
Assignee:
STANLEY ELECTRIC CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/10 (2006.01); G01J 1/04 (2006.01); G01J 1/02 (2006.01);
U.S. Cl.
CPC ...
G02B 26/105 (2013.01); G01J 1/0295 (2013.01); G01J 1/0403 (2013.01);
Abstract
Provided is an optical scanner including: a mirror driving unit which drives a scanning mirror which reflects light from a light source based on a drive signal; an optical sensor which detects scanning light entering first and second detection positions set on both sides of a range of the maximum scan angle within the range; and a calibrating unit which calibrates the intensity of the drive signal based on the time point at which the detection is performed and the frequency and intensity of the drive signal.