Magnetic dot matrix printing method and apparatus
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United States of America Patent
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-
Jul 12, 1983
Grant Date -
N/A
app pub date -
Feb 10, 1982
filing date -
Feb 10, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for character-by-character magnetic printing on plain paper, using a dot matrix format; a sheet of paper is positioned on the surface of a thin, elongated strip platen of permanent magnet material and a magnetic printhead comprising a columnar array of electromagnets scans the platen. Selective energization of the electromagnets, during each scan, magnetizes dot-size portions of the platen in dot matrix patterns defining magnetic images of the characters in a line of text; limited quantities of toner are applied to the paper generally concurrently with formation of the magnetic images to develop those images as visible characters, which are subsequently fixed on the paper surface.
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