Apparatus for liquid development of cut sheet electrostatographi

Details Apparatus for liquid development of cut sheet electrostatographi Apparatus for liquid development of cut sheet electrostatographi

1975-10-20

1977-07-26

Tomsky, Stephen J.

Photocopying

Including fiber optics

96 1PE, 355 10, G03G 1500, G03G 1510

Patent

active

040379523

ABSTRACT:
An improved electrophoretic development method comprising providing a liquid developer system having a backing electrode and a developer electrode, wherein the development electrode comprises a plurality of individually biased electrodes. According to this improved method, as an electrostatically imaged insulating member is contacted with the liquid developer and directed through a development zone defined by said electrodes, the leading edge of said insulating member selectively activates the individually biased development electrodes in synchronization with the travel of the insulation member through said zone, and the trailing edge of said insulating member selectively inactivates the individually biased development electrodes upon the withdrawal of the insulating member from said zone. This method is especially suitable for preparation of reversal images by electrophoretic development.

REFERENCES:
patent: 3416153 (1968-12-01), Hertz et al.
patent: 3707943 (1973-01-01), Matsumoto et al.
patent: 3783827 (1974-01-01), Fukushima et al.

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