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:
Nov. 27, 1990
Filed:
Oct. 12, 1988
Applicant:
Inventors:
Kazuyoshi Hara, Osaka, JP;
Masataka Oda, Osaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355315 ; 271307 ;
Abstract
A paper separation charger for separating paper from a photosensitive member in electrophotographic copiers and the like including a grid member disposed between a corona wire and the photosensitive member. The grid member has an aperture efficiency which is varied in the direction perpendicular to the direction of transport of paper.