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:
Feb. 26, 2019
Filed:
Mar. 14, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Hiroyuki Kidaka, Kashiwa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/02 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0283 (2013.01); G03G 15/0216 (2013.01); G03G 15/5004 (2013.01); G03G 2215/0607 (2013.01);
Abstract
A control unit performs control to satisfy T<T T, where T is a time from a point when irradiation with light by a pre-exposure member is started to a point when a predetermined portion of the photosensitive member which is located at the pre-exposure position when the irradiation is started reaches a charging position, Tis a time from the point when the irradiation is started to a point when application of a first voltage is started, and Tis a time from the point when the irradiation is started to a point when application of the second voltage is started.