Fluid sprinkling – spraying – and diffusing – Processes – Including mixing or combining with air – gas or steam
Patent
1990-11-30
1996-04-02
Gregory, Bernarr E.
Fluid sprinkling, spraying, and diffusing
Processes
Including mixing or combining with air, gas or steam
89 111, 107367, 107334, 252305, G02B 2602
Patent
active
H00015229
ABSTRACT:
A system for protecting ships from attack by an infrared-seeking missile is provided which comprises decoying the missile by deploying an aerosol. In one embodiment, the aerosol merely scatters a modulated light beam. Another embodiment deploys particles that can undergo an exothermic photochemical reaction when initiated by an ultraviolet laser. The laser projects an image of the ship onto the aerosol and at the same time causes the particles to generate sufficient heat to attract the infrared-seeking missile away from the ship. This system presents an infrared-decoy target with a suitable infrared image of appropriate spatial scale to mislead a missile with imaging capability. The spectral content of the decoy's image resembles that of a blackbody 20.degree.-50 .degree. C. above ambient, and has a brightness and spatial extent equal to the largest ships, approximately 10 kw/steradian, in the 3-5 and 8-12 micrometer bands. The present invention is simple to use, rapidly deployed, and capable of presenting a decoy target that can last at least a minute or more.
Campillo Anthony J.
Huston Alan L.
Justus Brian L.
Manuccia Thomas J.
Government of the United States
Gregory Bernarr E.
McDonnell Thomas E.
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