Electrostatic image forming apparatus using field effect transis

Details Electrostatic image forming apparatus using field effect transis Electrostatic image forming apparatus using field effect transis

1985-11-27

1986-10-28

Welsh, John D.

Recorders

Electric recording

Electrochemical

350539, 350519, 350573, 430 31, G01D 1506

Patent

active

046202030

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.

REFERENCES:
patent: 4448867 (1984-05-01), Ohkubo et al.

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