Developing device for serial electrostatic printing

Coating apparatus – With means to apply electrical and/or radiant energy to work... – Electrostatic and/or electromagnetic attraction or...

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G03G 1309

Patent

active

039629910

ABSTRACT:
In a serial electrostatic printer, the developing device has a magnetic brush feeding toner to the record carrier, divided into a large number of magnetic regions. The magnetic region trailing the printing location is activated after printing.

REFERENCES:
patent: 2173741 (1939-09-01), Wise et al.
patent: 2577894 (1951-12-01), Jacob
patent: 2784694 (1957-03-01), Crumrine
patent: 2874063 (1959-02-01), Greig
patent: 2880696 (1959-04-01), Clark et al.
patent: 2985135 (1961-05-01), Hickerson
patent: 3740265 (1973-06-01), Springer

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