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:
Jul. 07, 2020
Filed:
Apr. 17, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yuki Nakajima, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/043 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01);
Abstract
In a case of performing a second rotation control to match the rotation phase of a first rotational polygon mirror with the rotation phase of a second rotational polygon mirror in a rising period, a period during which a non-image region is irradiated with light from both or one of a first light source and a second light source is controlled to be a second period longer than a first period.