Infra red photography with silver halide films using infrared an

Details Infra red photography with silver halide films using infrared an Infra red photography with silver halide films using infrared an

1975-10-10

1977-04-19

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

With means to add charged solid or liquid particles to...

96 27R, 96 452, 250316, 250330, G03C 504, G03C 532

Patent

active

040186083

ABSTRACT:
A process for photographing infra red events onto silver halide film including the steps of focusing the infra red radiation directly onto the film to alter the sensitivity of the film to visible light, then flashing the film with a uniform field of visible light at the moment when the sensitivity-altering effect of the infra red is optimum, thereby producing a latent image whose density when developed will vary with the interrelationship between the integrated exposure of the film to infra red and to visible radiation at various discrete areas of the film.

REFERENCES:
patent: 3121792 (1964-02-01), Mittelstaedt
patent: 3224877 (1965-12-01), Jacobs
patent: 3685997 (1972-08-01), Kellogg et al.
patent: 3811885 (1974-05-01), Marchant et al.
patent: 3884552 (1975-05-01), Gerharz
patent: 3953210 (1976-04-01), Hasegawa et al.
Mees, "The Theory of the Photographic Process", 4, 1966, p. 157.

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