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. 14, 2011
Filed:
Apr. 18, 2007
Yasuo Takuma, Ibaraki, JP;
Masanari Fujita, Ibaraki, JP;
Masaki Tsuchiya, Ibaraki, JP;
Nobuaki Fukasawa, Ibaraki, JP;
Yasuo Takuma, Ibaraki, JP;
Masanari Fujita, Ibaraki, JP;
Masaki Tsuchiya, Ibaraki, JP;
Nobuaki Fukasawa, Ibaraki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
According to one embodiment, an image forming apparatus includes a photoreceptor, a charging unit, an exposure unit, a developing unit, a transfer unit, a fixing unit, an environment detecting unit and a control unit. The charging unit includes a charger and a static eliminator. The charger contacts with a surface of the photoreceptor and charges the surface to a first voltage. The static eliminator contacts with the surface and discharges the surface to a second voltage. The environment detecting unit detects an environmental data. The control unit controls the first voltage based on the environmental data.