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:
Mar. 21, 1978
Filed:
Mar. 30, 1976
Applicant:
Inventors:
Masami Nakane, Toyokawa, JA;
Koji Imaizumi, Aichi, JA;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 11 ; 355 / ; 355 71 ;
Abstract
An apparatus is provided for adjusting the exposure of the photoconductive member of an electrostatic copier, which permits fine adjustment of the exposure of the photoconductive member by providing a shade for the partial control of the light path for exposure, thereby effecting an error adjustment of the photoconductive member, the optical system, the projection lamp, etc., separately from the main exposure value control system.