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:
Aug. 13, 2013
Filed:
Jun. 01, 2011
Yoshitaka Imanaka, Osaka, JP;
Shinki Miyaji, Osaka, JP;
Masaki Kadota, Osaka, JP;
Masahito Ishino, Osaka, JP;
Hiroka Itani, Osaka, JP;
Yoshitaka Imanaka, Osaka, JP;
Shinki Miyaji, Osaka, JP;
Masaki Kadota, Osaka, JP;
Masahito Ishino, Osaka, JP;
Hiroka Itani, Osaka, JP;
Kyocera Mita Coporation, , JP;
Abstract
An image forming apparatus, having: an image carrier configured by a positively charged single-layer electrophotographic photosensitive body; a charging device which is based on a contact charging method for charging a circumferential surface of the image carrier while making contact with the circumferential surface of the image carrier; a developing roller which is disposed so as to oppose the image carrier and carry and convey toner on the circumferential surface; and a voltage application unit which applies a developing bias to the developing roller, wherein the frequency of an AC component of the developing bias applied by the voltage application unit is 2.6 to 4.2 kHz.