Electric field transfer method and apparatus

Details Electric field transfer method and apparatus Electric field transfer method and apparatus

1985-01-04

1986-02-18

Prescott, A. C.

Photocopying

Including fiber optics

355 14TR, 250324, G03G 1516

Patent

active

045710520

ABSTRACT:
A method and device for transferring toner image from the surface of a photosensitive plate to a sheet of paper. The transfer device comprises a substrate having volume resistivity of 10.sup.6 to 10.sup.16 .OMEGA..cm and surface resistivity of 10.sup.6 to 10.sup.16 .OMEGA., an elongated conductive member laid on the substrate and a coating layer having volume resistivity of more than 10.sup.11 .OMEGA..cm and surface resistivity of more than 10.sup.11 .OMEGA.. A narrow electric field is created between the elongated conductive member and the surface of the photosensitive plate by applying high DC voltage across the elongated conductive member and a conductive substrate of the photosensitive plate whereby the toner image is transferred from the photosensitive plate to the sheet of paper due to this narrow electric field.

REFERENCES:
patent: 2777957 (1957-01-01), Walkup
patent: 3877417 (1975-04-01), Jeromin
patent: 3936174 (1976-02-01), Carpenter
patent: 4223993 (1980-09-01), Tsuda et al.
patent: 4379630 (1983-04-01), Suzuki
patent: 4411512 (1983-10-01), Springer
patent: 4518976 (1985-05-01), Tarumi et al.

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