Apparatus for developing latent magnetic images

Details Apparatus for developing latent magnetic images Apparatus for developing latent magnetic images

1984-10-19

1986-09-09

Grimley, Arthur T.

Photocopying

Including fiber optics

118657, 118658, G03G 1900

Patent

active

046105271

ABSTRACT:
The invention relates to an apparatus for developing latent magnetic images used for example in magnetic printing machines. This apparatus includes a retouching device (20) comprising, first, a transport roller (27) which is displaced in the direction opposite that of the magnetic recording surface (13) in proximity with which it is placed and, second, a magnet (31) disposed in the interior of the roller (27) in such a manner that facing this surface it has a pole (32) the polarity of which is opposite that of the magnetized zones (14) of this surface, the magnetic axis (N'S') of this magnet being inclined in the opposite direction from that of the displacement of the surface (13).

REFERENCES:
patent: 3804511 (1974-04-01), Rait et al.

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