Non-impact printing device

Details Non-impact printing device Non-impact printing device

1978-12-22

1980-12-09

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

042388074

ABSTRACT:
A non-impact printing device with selective emission of solid ink particles is disclosed. A rod 19 of solid ink is pressed by a spring 20 in an insulating housing II against an end wall with a nozzle 13 therein. A pulsed high voltage applied between the ink rod and a counter-electrode 16 (which can be behind the paper 25) causes ink particles to be eroded from the rod and ejected through the nozzle on the paper. Printers are described which employ incremental line-feed paper movement, movement of printing devices as just described along the printing line, and selective control of the high-voltage pulsing such as to form characters by a dot matrix technique.

REFERENCES:
patent: 2173741 (1939-09-01), Wise et al.
patent: 2600129 (1952-06-01), Richards
patent: 4064513 (1977-12-01), Skala

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