Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 30, 2021
Patent Application Number
16218545
Date Filed
December 13, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
A method and control system for controlling unmanned aerial vehicles to fly in coordinated manner, comprises arranging the unmanned aerial vehicles, each of which has an illumination element in a flying formation, and operating selected illumination elements to produce a display in which a pattern, shape or letters or words are detectable at a predetermined ground location.
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