Electrical information storage system

Details Electrical information storage system Electrical information storage system

1975-01-09

1977-11-22

Welsh, John D.

Gas separation: apparatus

Magnetic separating means

96 15R, 340173PP, 346153, 346160, 365147, G03G 502

Patent

active

040594432

ABSTRACT:
An electrical information or latent image storage system using a storage element which comprises a layer of substantially electrically insulating material having a layer of electrically photosensitive particulate material embedded therein, with a layer of semiconductor material overcoating one surface of the layer of insulating material, and an electrode on the opposite surface of the layer of insulating material. Information in the form of localized electrical charges of an electrical latent image is placed on the element by electrical or photo-electrical means, the information can be retrieved by scanning the element using an electrode-pair grid pattern, an electron beam, or other suitable means, and the retrieved information may be used, for example, through a computer, or reconstructed into a visible image corresponding to a latent image.

REFERENCES:
patent: 3350610 (1967-10-01), Yamashita

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