Liquid crystalline platen for an electrophotographic printing ma

Details Liquid crystalline platen for an electrophotographic printing ma Liquid crystalline platen for an electrophotographic printing ma

1974-03-29

1976-02-03

Moses, Richard L.

Photocopying

Including fiber optics

96 44, 350160LC, 355 4, 355 71, 355133, G03G 1500

Patent

active

039361721

ABSTRACT:
An apparatus in which an original document is housed. The support on which the original document is positioned becomes selectively opaque so as to mask portions of the original document disposed thereon.

REFERENCES:
patent: 3206307 (1965-09-01), Ludwig
patent: 3642371 (1972-02-01), Jones et al.
patent: 3671231 (1972-06-01), Haas et al.
patent: 3703331 (1972-11-01), Goldmacher et al.
patent: 3707322 (1972-12-01), Wysocki et al.
patent: 3718382 (1973-02-01), Wysocki et al.
patent: 3756718 (1973-09-01), Letzer
patent: 3824604 (1974-07-01), Stein

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