Method of making light-dot distribution for the holographic stor

Details Method of making light-dot distribution for the holographic stor Method of making light-dot distribution for the holographic stor

1975-05-19

1976-03-23

Hecker, Stuart N.

Communications: electrical

Digital comparator systems

350 35, G11C 1122, G11C 700, G11C 1304

Patent

active

039463702

ABSTRACT:
The invention relates to a method of making light dot distributions for the holographic storage of binary information with the aid of electronically controlled switching masks, characterized in that the individual elements of the switching mask are modulated in their path length through fading of the interference structure in the hologram associated with said elements.

REFERENCES:
patent: 3453640 (1969-07-01), Blackmer
patent: 3631411 (1971-12-01), Kosonocky
patent: 3812496 (1974-05-01), Brooks
patent: 3833893 (1974-09-01), Rajchman
Blackmer et al., Application of Phase Modulation to Digital Data Recording by Means of Superposed Diffaction Gratings, Applied Optics, Vol. 10, No. 5, 5/1971, pp. 1148-1152.

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