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:
Sep. 22, 2026
Filed:
Sep. 03, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Masato Maejima, Ibaraki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Third control of controlling a voltage application portion to apply, to a charging member, a voltage obtained by offsetting a first correction value with respect to a value of a voltage previously applied to the charging member is performed in a case where an absolute value of a difference is lower than a predetermined threshold and first control is previously performed, and fourth control of controlling the voltage application portion to apply, to the charging member, a voltage obtained by offsetting a second correction value with respect to a value of a voltage previously applied to the charging member is performed in a case where the absolute value of the difference is lower than the predetermined threshold and second control is previously performed.