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:
Oct. 28, 1986

Filed:

Nov. 27, 1985
Applicant:
Inventors:

Kaname Nakatani, Osaka, JP;

Yoshiaki Kato, Ikaruga, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461531 ; 350539 ; 350519 ; 350573 ; 430 31 ;
Abstract

Disclosed is an electrostatic image forming apparatus comprising a layer composed of a dielectric material or a photoconductor, image element electrodes arranged in the form of a matrix on one surface of said layer, field effect transistors affiliated with the image element electrodes and interposed between the image element electrodes, and a developing electrode arranged on the other surface of the dielectric material or photoconductor layer, to which a voltage is applied. In this electrostatic image forming apparatus, a toner image can be directly formed by a digital signal or image signal without performing any optical scanning or charging operation.


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