Patent ID: 6337475
Filing Date: 2002-01-08
Classification: F41H,F41J

Abstract:
A thermal silhouette target for viewing by a thermal imaging sensor (TIS) comprising:a high emissivity surface in a line of sight to a TIS, said high emissivity surface with a predetermined silhouette; a conductive layer with said predetermined silhouette adjoining said high emissivity surface for conduction of electrical resistance heat generated by a heating coil to said high emissivity surface; said heating coil adjoining a portion of said conductive layer for generation of electrical heat resistance to said conductive layer, said heating coil further having lead wires for electrical connection of said heating coil to a direct current voltage (DVC) source; an insulative layer with said predetermined silhouette adjoining said heating coil and said conductive layer; said DVC source removably coupled to said lead wires whereby when said DVC source is electrically connected to said heating coil and said high emissive surface emits thermal radiation, the TIS views said silhouette as substantially insensitive to angular adjustments of said thermal silhouette target to the TIS.