Magnetic printer and printhead

Details Magnetic printer and printhead Magnetic printer and printhead

1980-08-04

1983-04-19

Hix, L. T.

Recorders

Magnetographic

Magnetographic head

G01D 1512

Patent

active

043807682

ABSTRACT:
A magnetic print module for use as a printhead of a magnetic printing system. The print module comprises a base having a matrix of integral protrusions extending upward from the base and a plurality of coils wrapped around the base between the rows and columns of the matrix. By selectively energizing four coils at a time, a current path may be formed around one of the protrusions, which induces a magnetic field in the protrusion and permits it to print a dot in a recording medium. In order to form a printhead with minimal spacing between print positions, a matrix having a plurality of print rows may be formed and the matrix skewed with respect to the path of the recording medium.

REFERENCES:
patent: 2840440 (1958-06-01), McLaughlin et al.
patent: 2841461 (1958-07-01), Gleason
patent: 3641585 (1972-02-01), Hodges
patent: 3945343 (1976-03-01), Berkowitz
patent: 4097871 (1978-06-01), Berkowitz et al.
patent: 4138702 (1979-02-01), Magnenet
patent: 4176362 (1979-11-01), Nelson

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