Electrophotographic system

Details Electrophotographic system Electrophotographic system

1975-01-22

1977-03-01

Welsh, John D.

Gas separation: apparatus

Magnetic separating means

96 14, 355 3DD, G03G 000

Patent

active

040100316

ABSTRACT:
A photosensitive plate includes a transparent electrode layer, a transparent carrier blocking layer of polyvinyl carbazole and a P type photoconductive layer superposed on one another and opposed to a dielectric recording medium with a gap therebetween. While a recording voltage is applied across the electrode layer and recording medium with positive polarity being imparted to the electrode layer, an imaging light irradiates the photoconductive layer to transfer a corresponding electrostatic latent image formed on that layer to the recording medium across the gap. For an N type photoconductive layer, a negative polarity is imparted to the electrode layer.

REFERENCES:
patent: 3573906 (1971-04-01), Goffe

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