Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1980-10-31
1984-01-31
Moses, Richard L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3SC, 355 15, 118652, G03G 1500
Patent
active
044286643
ABSTRACT:
A device for cleaning a photosensitive screen having a multitude of fine openings for use in image formation wherein primary and secondary electrostatic latent images are formed on the screen by voltage application, the device being constructed with means for rubbing the photosensitive screen, wall means for enclosing substantially the entire rubbing means, and means for drawing out of the wall means an atmosphere containing dust which has been removed from the rubbing means.
REFERENCES:
patent: 3105777 (1963-10-01), Bickmore et al.
patent: 3736055 (1973-05-01), Davidge et al.
patent: 3824010 (1974-07-01), Pressman
Sato Tadashi
Tanaka Keiji
Canon Kabushiki Kaisha
Moses Richard L.
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