Electrostatic image developing method correcting irregularities

Details Electrostatic image developing method correcting irregularities Electrostatic image developing method correcting irregularities

1983-01-21

1984-05-08

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

118657, G03G 1309

Patent

active

044475187

ABSTRACT:
A method for developing by a plurality of times, an electrostatic latent image carried on a surface of an electrostatic latent image support member through employment of developing sleeves having magnetic rollers to be driven for rotation provided therein, which includes the steps of effecting the developing for each of the plurality of times, with the magnetic roller being rotated under such a state that developing irregularities in a direction intersecting a relative moving direction of the electrostatic latent image support member with respect to the developing sleeve, are formed in a developed image when the developing for each of the plurality of times is effected independently, causing pitches of the developing irregularities to coincide with each other, and deviating phases of the respective developing irregularities so that the respective developing irregularities are offset to each other so as to obtain the developed image having a uniform and sufficient image density without developing irregularities.

REFERENCES:
patent: 3882821 (1975-05-01), Katayama et al.
patent: 4098228 (1978-07-01), Ruckdeschel et al.
patent: 4266868 (1981-05-01), Bresina et al.
patent: 4279942 (1981-07-01), Swapceinski
patent: 4299901 (1981-11-01), Huggins
"Magnetic Brush Development Apparatus for High-Speed Copiers", Res. Discl. 22421, Dec. 1982, p. 387.

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