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. 08, 1999
Filed:
Dec. 19, 1997
Keishi Ohsawa, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus including a photosensitive member, a first developer for developing an electrostatic latent image on the photosensitive member, a charger adapted to charge the photosensitive member bearing a first developed image formed by the first developer and having a discharge electrode member and a shield member surrounding the discharge electrode member, an exposure device for image-exposing the photosensitive member charged by the charger, a second developer for developing an electrostatic latent image formed by exposure of the exposure device, and a voltage apply device for applying voltage having the same polarity as that of the first developed image to the shield member.