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. 29, 1983
Filed:
May. 04, 1981
Applicant:
Inventors:
Fuminobu Nishimura, Yokohama, JP;
Mitsuaki Kohyama, Higashi-Kurume, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03B / ;
U.S. Cl.
CPC ...
355 / ; 355-1 ; 355 / ; 354 56 ; 354 / ;
Abstract
Disclosed is an electronic duplicator having a focusing light transmitting body, which includes optical fiber tubes for image formation and optical fiber tubes for detecting the image density. The image density detection optical fiber tubes effect the measurement of the dose of light reflected by the document before the image formation by the image formation optical fiber tubes with respect to the advancement of a document table. The information of the measured value is supplied to an exposure control section and a bias voltage control section for appropriate exposure and bias voltage control.