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$5500 - ROTATING HELIOGRAPH CONTINIOUS VISUAL SIGNALING FOR DRONES

[Category : - Toys and games]
[Viewed 135 times]

This invention (US Patent 10921498B2: Link) relates to a rotating heliograph with arched convex reflective mirror surfaces that provides an autonomous continuous flashing visual signal from the reflection of the Sun, that can be used for many applications such as a survival distress signal, drone (UAV) anti-collision/tracking, and as a bird deterrent.













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