G - Physics – 03 – G
Patent
G - Physics
03
G
314/15
G03G 15/08 (2006.01) B41J 2/39 (2006.01) B41J 3/60 (2006.01) G03G 15/23 (2006.01)
Patent
CA 1105071
ABSTRACT A method and apparatus for printing electrographically upon two sides of a chemically pre-treated recording medium, at comparatively high speed such as is required in a computer print-out apparatus. A pre-treated paper medium comprised of a conductively treated paper base supporting a plastic dielectric coating on each of its sides, is positioned between electrode assemblies comprised of matrices of a plurality of styli which receive variable information from a data processor, or other equipment and by selectively changing the plurality of styli generating a latent image of alphanumeric characters or other variable printing by electrostatic discharge on the paper which is retained by the coating. The latent image is developed, i.e., made visible, by subjecting the paper medium to charged toning particles suspended in a liquid toning carrier. The image is then fixed, i.e., made permanent by vaporizing the liquid carrier with heat. - 1 -
305611
Honeywell Information Systems Inc.
Smart & Biggar
LandOfFree
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