Erasable thermo-optic storage display of a transmitted color image

摘要: The invention provides an optical display device, utilizing a thermo-optical effect to inscribe transmitted image in layer of material exhibiting smectic state. Recording the with full range half tones without modulation recording beam and quick erasure recorded reheating film can be obtained by directly applying, simultaneously whole either video signal or voltage suitable values. By associating this device projection very bright source, thus projected onto large screen photosensitive substrate. also describes color images teleprojection telereproduction which three distinct chrominance are as above described illuminated white light; beams filtered for respectively selecting each them spectral band corresponding superimposed single reflecting system. An objective lens supplied diaphragm its focal plane receives projects reconstituted colour photo-sensitive layer.