Recorders – Magnetographic
Patent
1980-07-22
1983-04-05
Psitos, Aristotelis M.
Recorders
Magnetographic
346 745, G03G 1900, G01P 1506
Patent
active
043793029
ABSTRACT:
The invention relates to a printing device comprising: a travelling surface, for example the surface of a drum, driven in rotation by the action of first motor means, said travelling surface supporting a thin magnetic layer; a scanning support driven with a step-by-step reciprocal movement, perpendicular to the movement of the travelling surface of said drum, by the action of second motor means, said scanning support supporting at least one group of integrated magnetic induction heads, this group of heads being connected to sequential control means; powdered magnetic ink supply means; ordinary paper supply means; said scanning support having an annular shape surrounding the travelling surface of the drum over a considerable part at least of its circumferential extent; said scanning support comprising two lateral parts surrounding a central part; said lateral parts being arranged to create a seal between themselves and said travelling surface of said drum; said central part supporting one, or preferably more, groups of integrated magnetic induction heads; a compressed gas supply device connected to said central part; said powdered magnetic ink supply means being connected to the outside of said scanning support.
REFERENCES:
patent: 4072957 (1978-02-01), Kokaji et al.
patent: 4135194 (1979-01-01), Frey
patent: 4146898 (1979-03-01), Nelson
patent: 4255767 (1981-03-01), Frey
Dol Christian
Valet Jean-Yves
Psitos Aristotelis M.
Societe D'Applications Generales D'Elect.
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