Alternating current inductive charging of a photoreceptor

Details Alternating current inductive charging of a photoreceptor Alternating current inductive charging of a photoreceptor

1986-12-22

1988-02-23

Hix, L. T.

Electricity: electrical systems and devices

Electric charging of objects or materials

355 3CH, 250326, G03G 1315

Patent

active

047274530

ABSTRACT:
A charging system for a reproduction machine is provided comprising a photoreceptor member having the property of dark injecting only a single side of mobile carrier from an injection layer; an alternating current voltage source operating at a frequency f; and a bias roller charging member electrically connected to the alternating current voltage source and comprised of a deformable conductive material supported in deforming engagement with the photoreceptor member during relative movement of the photoreceptor and the bias roller charging member. The bias roller is maintained in contact with any given area on the photoreceptor for a period greater than or equal to 1/f the bias roller charging member to provide uniform charging and avoid strobing.

REFERENCES:
patent: 3084061 (1963-04-01), Hall
patent: 3147415 (1964-09-01), Oliphant
patent: 3172024 (1965-03-01), Gundlach
patent: 3626260 (1971-12-01), Kimura
patent: 3684364 (1972-08-01), Schmidlin
patent: 4380384 (1983-04-01), Ueno et al.
patent: 4459009 (1984-07-01), Hays et al.
patent: 4545669 (1985-10-01), Hays et al.
patent: 4666801 (1987-05-01), Kimura et al.
IBM TDB; "Apparatus for Charging Xerographic Plates"; C. T. Ranpolph & J. W. Brookman; vol. 8, No. 12, May 1966, p. 1729.
Proceedings of the National Electronics Conference, "High Speed Printing of Cathode Ray Tube Information by Electrostatic Photography Techniques"; Straughan et al, vol. 13, p. 959, 1958.

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