Printing or writing device for controlled application of charge

Details Printing or writing device for controlled application of charge Printing or writing device for controlled application of charge

1995-04-17

1998-08-25

Pendegrass, Joan H.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347128, B41J 2415

Patent

active

057987823

ABSTRACT:
Marking device for controlled application of charge carriers to a substrate includes a charge carrier source for generating the charge carriers, a voltage source having a first pole and a second pole connected to the charge carrier source and forming therewith a current circuit wherein a control device is located, the voltage source having a third pole for generating a predeterminable electrical potential on the substrate, so that the charge carriers are applicable thereat by corresponding triggering of the control device, the control device being assigned to at least one of the first and the second poles and being located at approximately 0-volt potential.

REFERENCES:
patent: 4763141 (1988-08-01), Gundlach et al.
patent: 5296878 (1994-03-01), Hosaka et al.

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