Imaging system

Details Imaging system Imaging system

1988-06-06

1990-08-07

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355326, 430 45, 430119, G03G 1501, G03G 1510

Patent

active

049472011

ABSTRACT:
An imaging system including apparatus for forming a latent image on a surface, the latent image including a first portion having a high level of electrostatic charge, a second portion having a low level of electrostatic charge and a third portion having an intermediate level of electrostatic charge, and apparatus for developing the latent image by contacting it with a liquid toner composition comprising an insulating, nonpolar liquid having admixed therewith a first type of pigmented particles having charges of a first polarity and a second type of pigmented particles having charges of an opposite polarity, such that the first type of pigmented particles becomes deposited onto the first portion and the second type of pigment particles becomes deposited onto the second portion.

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Copy of English Abstract of Japanese Patent No. 59-116764.

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