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:
May. 30, 2017
Filed:
Oct. 17, 2014
Applicant:
Canon Denshi Kabushiki Kaisha, Chichibu-shi, Saitama, JP;
Inventors:
Assignee:
CANON DENSHI KABUSHIKI KAISHA, Chichibu-Shi, Saitama-Ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/10 (2006.01); G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
G02B 26/105 (2013.01); G02B 26/085 (2013.01); G02B 26/0825 (2013.01);
Abstract
Provided is an optical scanning device that can be downsized and improve the reading rate of a laser-type image reading system. This is an optical scanning device that includes a torsion beam, and a variable focus mirror that is supported by the torsion beam. Furthermore, the variable focus mirror is supported at two symmetrical positions with respect to the axis of rotation of the torsion beam.