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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.:

US 4086873 B1

PDFFull Text
Date of Patent:
May. 02, 1978

Filed:

Feb. 14, 1977

Electrophotographic developing device incorporating a developing

Applicant:
Inventors:

Sizuo Morita, Hachioji, JA;

Hiroshi Thuchiya, Hachioji, JA;

Kiyoshi Kimura, Hachioji, JA;

Assignee:

Konishiroku Photo Industry Co., Ltd., Tokyo, JA;

Attorney:

Bierman & Bierman

Primary Examiner:

Louis K Rimrodt

Assistant Examiner:

Andrew M Falik

Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118658 ; 96 / ; 118651 ; 118648 ;
Abstract

This application discloses an electrophotographic developing device having an electrode located at the developing station oppositely to an electrostatic latent image bearing body wherein said electrostatic latent image is developed with a developer that consists of an electrically conductive carrier and toner. Development occurs while applying a bias voltage between said body and said electrode which has an insulation layer on its surface.

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Morita, Sizuo. (1978). Electrophotographic developing device incorporating a developing (U.S. Patent No. 4086873). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4086873

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