Recording head array with passive pole

Details Recording head array with passive pole Recording head array with passive pole

1975-04-25

1977-01-04

Lucas, Jay P.

Recorders

Magnetographic

360125, 360121, G03G 1900, G11B 527

Patent

active

040018415

ABSTRACT:
A recording head array for magnetic printing machines comprises a flat sheet pole spaced from a line of magnetic pin poles. Spaces between image elements recorded by adjacent poles are thereby reduced. The sheet pole may be magnetized to provide a direct current bias field.

REFERENCES:
patent: 2901676 (1959-08-01), Mittag
patent: 3041413 (1962-06-01), Williams
patent: 3156919 (1964-11-01), Rutter
patent: 3414893 (1968-12-01), Coccagna
patent: 3550150 (1970-12-01), Gardener

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