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:
Jun. 02, 2009
Filed:
May. 22, 2007
Akihiro Ida, Ebina, JP;
Yoshihisa Kitano, Ebina, JP;
Takuro Hagiwara, Ebina, JP;
Hideki Moriya, Ebina, JP;
Chikaho Ikeda, Ebina, JP;
Hidehiko Yamaguchi, Ebina, JP;
Masao Ohmori, Ebina, JP;
Akihiro Ida, Ebina, JP;
Yoshihisa Kitano, Ebina, JP;
Takuro Hagiwara, Ebina, JP;
Hideki Moriya, Ebina, JP;
Chikaho Ikeda, Ebina, JP;
Hidehiko Yamaguchi, Ebina, JP;
Masao Ohmori, Ebina, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A charging device includes a charging member that charges a body to be charged; a detector that detects an AC component of a current flowing through the charging member; an integration section that integrates the AC component of the current detected by the detector; a controller that controls the current flowing through the charging member, according to a result of integration executed by the integration section; a periodic signal generating section that generates a periodic signal having a cycle period corresponding to a cycle period of the AC component; and an integration period adjusting section that adjusts a period of integration executed by the integration section, with reference to the periodic signal.