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.

Date of Patent:
Nov. 04, 1980

Filed:

Aug. 09, 1978
Applicant:
Inventors:

Norio Kokaji, Hino, JP;

Kunio Kinoshita, Hachioji, JP;

Toshihiro Urano, Machida, JP;

Katsunori Saito, Akikawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
346 741 ;
Abstract

Disclosed is a magnetographic apparatus wherein a large number of copies of the same picture is produced by repeatedly using a recording drum on which a latent image of the picture is recorded, which apparatus is different from a conventional magnetographic apparatus wherein a sequence of processes consisting of a latent image recording process, a process of developing the image and a process of transferring the image is effected for production of each copy. Further disclosed herein are structural elements of a magnetographic apparatus which are suitable for producing a large number of copies of the same picture by repeatedly using a recording drum as described above.


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