Light valve imaging apparatus and method for providing gray scal

Details Light valve imaging apparatus and method for providing gray scal Light valve imaging apparatus and method for providing gray scal

1981-01-29

1983-03-29

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358296, 355 32, 355 4, H04N 146

Patent

active

043785689

ABSTRACT:
Electronic imaging apparatus and method of the kind utilizing a light valve array including a line of discretely-addressable pixels activatable between a light transmitting and light blocking state by an electrical field features addressing of such pixels by means of a plurality of discrete sub-period activations which in combination effect proper transmission for a line of the image to be reproduced. In one embodiment the sub-period activations are of different duration and binarily related.

REFERENCES:
patent: 3428743 (1969-02-01), Hanlon
patent: 3470310 (1969-09-01), Shashoua
patent: 3930119 (1975-12-01), Schmidt
patent: 4074319 (1978-02-01), Goldschmidt
patent: 4129357 (1978-12-01), Frosch
patent: 4229095 (1980-10-01), Mir
patent: 4294524 (1981-10-01), Stolov
patent: 4316196 (1982-02-01), Jacobs

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