Imaging system with light valve and photodetector

Details Imaging system with light valve and photodetector Imaging system with light valve and photodetector

1984-03-19

1986-07-29

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358213, 250578, H04N 5225

Patent

active

046033564

ABSTRACT:
Disclosed is an image detection system having a photodetector, e.g. a photovoltaic cell, a photoconductor sheet, and a means, e.g., a liquid crystal light valve or an electrochromic light valve, matrix light valve having a plurality of individually addressable light valve cells. The image detection system also has means to identify the signal generated by the photodetector with the individual light cell switched to a light transmissive mode. Also disclosed is a method of detecting and updating an image using the image detection system.

REFERENCES:
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patent: 4277145 (1981-07-01), Hareng et al.
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patent: 4449153 (1984-05-01), Tschang
patent: 4481510 (1984-11-01), Hareng et al.
patent: 4516032 (1985-05-01), Barr
patent: 4534622 (1985-08-01), Harada et al.
G. W. Taylor, "Feasibility of Electro-Optic Devices Using Bismuth Titanate", Proc. IEEE, vol. 58(8), pp. 1220-1229 (1970).

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