Electrostatic copying apparatus

Details Electrostatic copying apparatus Electrostatic copying apparatus

1978-04-04

1980-11-04

Talbert, Jr., Dennis E.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

430121, 361212, G03G 1300

Patent

active

042313198

ABSTRACT:
A cascade-type developing unit for an electrostatic copying apparatus is disclosed. A mixture of toner and carrier particles circulates in the unit and its particles become electrostatically charged due to electrification. An arrangement is provided for limiting the charge of the particles to user-selectable values.

REFERENCES:
patent: 3662711 (1972-05-01), Hudson
patent: 3863602 (1975-02-01), Mueller et al.
patent: 3910459 (1975-10-01), Bock

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