Gas separation: apparatus – Electric field separation apparatus – Including gas flow distribution means
Patent
1974-08-23
1979-04-17
Brown, J. Travis
Gas separation: apparatus
Electric field separation apparatus
Including gas flow distribution means
96 15R, 96 77, 96 88, G03C 176, G03G 504, G03C 140, G03C 100
Patent
active
041498879
ABSTRACT:
A micro-capsular material for use as a photographic reproducing medium includes a plurality of micro-capsules distributed over a given surface. Each of the capsules is formed with a mantle of light transmissive material. The mantles may be clear or colored and are advantageously transparent. The contents of each of the capsules includes a photoconductive material as well as a color progenitor or precursor material. Simultaneous exposure of the capsular material to light and high frequency electrical energy causes rupture of the capsule mantles and release of the capsular contents. When an image is focused by a lens onto the surface, selected ones of said capsules are ruptured to thereby result in a reproduction of the image. Dispersing micro-capsules having different color progenitor materials makes possible color photography when means are provided for selectively directing only those component of colored light onto the micro-capsules having corresponding color progenitor materials. In this manner, only the desired micro-capsules are ruptured which include color progenitor materials corresponding to the light components impinging thereon.
REFERENCES:
patent: 3080251 (1963-03-01), Claus
patent: 3301439 (1967-01-01), Kosar et al.
patent: 3318697 (1967-05-01), Shrewsbury
patent: 3329590 (1967-07-01), Renfrew
Brown J. Travis
Falasco L.
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