FIELD: physics.
SUBSTANCE: system for eliminating fogging or icing of an optical tool has a protective cover (1), a window (2), at least one side of which is coated with a heat-conducting film (7), placed on the edge of the useful zone (2) of that window (2), wherein the window is meant for installation on the protective cover (1), wherein heating elements (8) are meant for bringing into contact with the film in order to heat that film, and also has another heating element (12), meant to be placed in said protective cover (1) and which provides sufficient power to maintain temperature above zero inside said protective cover (1) and an electric power supply circuit (9, 10) for the heating elements (8).
EFFECT: efficient elimination of icing on the window.
9 cl, 2 dwg
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