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. 17, 2016
Filed:
Apr. 22, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tomohiro Kawamoto, Tokyo, JP;
Yuta Nito, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/043 (2006.01); B41J 2/47 (2006.01); G02B 26/12 (2006.01); H01S 5/06 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); B41J 2/473 (2013.01); G02B 26/123 (2013.01); H01S 5/06 (2013.01); G02B 26/127 (2013.01);
Abstract
A light emission apparatus includes a detection unit, a first drive unit, and a second drive unit. The detection unit detects the state of a detection element. The first drive unit controls the light amount of a light beam to be emitted by a first light emitting element based on the state of the detection element detected by the detection unit. The second drive unit controls the light amount of a light beam to be emitted by a second light emitting element based on the state of the detection element detected by the detection unit.