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:
Oct. 19, 1976
Filed:
Dec. 31, 1974
Applicant:
Inventor:
Syusei Tsukada, Tokyo, JA;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 3501 / ; 355-4 ; 355-5 ; 355 11 ;
Abstract
A light image storing and reproducing device for storage and reproduction of original images comprises an information storage medium including a member having a photoconductive substance and an electrochromic substance, said member being supported between electrodes, original image projecting means for projecting an original image on said information storage medium, illuminating means for illuminating the surface of said information storage medium, and voltage applying means for applying a voltage of a prescribed polarity and a voltage of a reverse polarity interchangeably between the electrodes of the information storage medium.