US Patent 9522732 Unmanned aerial vehicle perching maneuver

A personal drone with much extended air time. A portable retractable-extendable clawed drone with automated perching function. Perching, landing on a target horizontal edge or a wire, a building trim, a lamp or sign, a shelf, almost any small horizontal edge with a little surface, for video streaming without using up power on hovering or flight, thus conserving power indefinitely. A veritable fly-on-the-wall multi-rotor drone having mechanical claws and automated perching function.