Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1980-03-21
1981-09-08
Faber, Alan
Facsimile and static presentation processing
Facsimile
Recording apparatus
346 76L, 346108, 365108, 350330, 350350S, H09N 122
Patent
active
042888220
ABSTRACT:
A system comprising means for emitting an analysis beam and a recording beam, the two beams being deflected by common deflection means. The analysis beam scans the document carrying the image to be analyzed and a detecting photocell provides an electrical signal. The recording beam scans a liquid crystal cell, where it records the image in synchronism with analysis in dependence upon a modulation of the thermo-optical effects induced in the liquid crystal. This modulation is provided by the electrical signal.
REFERENCES:
patent: 3465352 (1964-09-01), Carlson
patent: 3627408 (1971-12-01), Fergason
patent: 3796499 (1974-03-01), Kahn
patent: 4002829 (1977-01-01), Hutchinson
patent: 4040047 (1977-08-01), Hareng et al.
"Projecting Images with Liquid Crystals" by Anderson, Bell Lab Record, Jul./Aug. 1974, vol. 57, No. 7.
Computer Design, Dec. 1972, p. 28.
"Ir-laser-addressed Thermooptic Liquid-Crystal Storage Displays" Appl. Phys. Lett., vol. 22, No. 3, Feb. 1973, pp. 111-113 by Kahn.
Hareng Michel
Le Berre Serge
Leclerc Pierre
"Thomson-CSF"
Faber Alan
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