Visual image recording device

Details Visual image recording device Visual image recording device

1975-05-29

1978-11-21

Sebastian, Leland A.

Gas separation: apparatus

Magnetic separating means

40 52R, 350356, 350357, 355 3R, 354 3, G03G 502

Patent

active

041264568

ABSTRACT:
A direct view display device comprises a pair of conductive electrodes in spaced relationship and a recording medium having the properties of being both photo-ionizable and capable of electro-chemically producing colored species occupies the space between the electrodes. The display device is exposed to an optical pattern of radiation to which the recording material is sensitive to produce a latent image, and a potential is applied between the electrodes to produce a very dense image corresponding to the optical pattern. The image can be erased by reversing the potential between the electrodes so that the expose and enhance process can be repeated.

REFERENCES:
patent: 3879197 (1975-04-01), Barlett et al.
patent: 3970365 (1976-07-01), Giglia
patent: 3971624 (1976-07-01), Bruesch et al.

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