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Patent drawing for Aircraft defense system against manpads with IR/UV seekers
US 7,523,692 B1
Aircraft US 7,523,692 B1 Expired

Aircraft defense system against manpads with IR/UV seekers

This invention describes an aircraft defense system that uses two main approaches. One part involves towing a small decoy behind the aircraft that emits intense infrared light to distract heat-seeking missiles. The other part, which is the focus of the initial claims, aims to make the aircraft invisible to missiles that detect UV light by casting shadows. It does this by placing UV light sources on the aircraft and treating its surfaces to reflect UV, effectively "cloaking" it against the UV background of the sky. The UV light can be varied in pattern or timing to further confuse a missile.

Why it matters: Since 2007, significant advancements in efficient UV LED technology and compact, real-time control systems have made the active UV cloaking aspect more feasible and effective.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedUV emitters, specialized coatings, real-time control electronics

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