MAGNETIC INKING APPARATUS FOR PULSED ELECTRICAL PRINTING

MAGNETIC INKING APPARATUS FOR PULSED ELECTRICAL PRINTING

A non-impact printer having a moving support for supplying particles of magnetic ink. The ink particles are deposited upon the support and subjected to a magnetic field to produce a bead of the particles that rotates as the support moves toward a print position. A number of the particles detach from...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SOLMON, DONALD C, LENNON, DONALD J.J
Format: Patent
Sprache:eng ; fre
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A non-impact printer having a moving support for supplying particles of magnetic ink. The ink particles are deposited upon the support and subjected to a magnetic field to produce a bead of the particles that rotates as the support moves toward a print position. A number of the particles detach from the bead and remain on the support as mutually spaced aggregates of irregular height. An electrical field of short duration, established in the print position between the particles and a shaped print electrode, charges the particles and attracts them to an intervening recipient sheet.