Deformation image repeated recording and erasure

G - Physics – 03 – G

Patent

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G03G 16/00 (2006.01)

Patent

CA 1078002

ABSTRACT OF THE DISCLOSURE The invention relates to a method of repeated recording and quenching of deformation images on a recording material composed of a photoconductive thermoplastic recording layer arranged on a dielectric support layer and ap- paratus therefor. The development and quenching is effected by means of thermal heat supplied to a conductive layer on a film rostrum above which the recording material, which carries a charge image, is transported. Before and during the thermal quenching by means of a movable corona device electrostatic charges are applied to the recording layer, said charges having a polarity oppo-site to that of the charge image on the recording layer. This charge image is produced by the application of an electrostatic charge and the exposure of the charged surface of the recording layer to an image pattern. The high voltage of the corona device is reversible when the corona device is switched from forward to backward movement.

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