Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – To produce multiple image on medium or plural radiant energy...
Patent
1979-03-23
1982-11-09
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
To produce multiple image on medium or plural radiant energy...
430 66, 430 97, 430902, G03G 1322
Patent
active
043585205
ABSTRACT:
In the process of forming an electrostatic latent image on a photosensitive medium through at least two kinds of charging steps, the electrostatic latent image is stabilized by the steps of measuring the dark region potential V.sub.D and the light region potential V.sub.L on the photosensitive medium, comparing the measurement values with a predetermined referential dark region potential V.sub.DR and a predetermined referential light region potential V.sub.LR, and when the differences between the V.sub.D, V.sub.L and the V.sub.DR, V.sub.LR are not within predetermined ranges, setting the amount of control by control functions f(x,y) and g(x,y), in which the differences x=V.sub.DR -V.sub.D and y=V.sub.LR -V.sub.L are variables, and varying the potential of the latent image on the photosensitive medium in accordance with the set amount of control.
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Canon Kabushiki Kaisha
Goodrow John L.
Kittle John E.
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