Patent ID: 9260202
Filing Date: 2016-02-16
CPC Classification: B64C,B64F

Claim Text:
1. A system, comprising: a ground unit that comprises: wherein the takeoff and landing platform is arranged to hold and support an aerial unit during a first part of a landing process of the aerial unit and a first part of takeoff process of the aerial unit; wherein the aerial unit is coupled to the ground unit via a connecting element; wherein an effective length of the connecting element increases during the takeoff process and decreases during the landing process; wherein the landing and takeoff assisting module is coupled to the takeoff and landing platform and is arranged to (a) lower the takeoff and landing platform into the housing during a second part of the landing process and (b) elevate the takeoff and landing platform during a second part of the takeoff process; and wherein the fold and unfold unit is arranged to assist in reduction of a footprint of the aerial unit during a third part of the landing process by altering a spatial relationship between a main propulsion module of the aerial unit and peripheral propulsion modules of the aerial unit; wherein the multiple peripheral propulsion modules extend outside the main propulsion module when the aerial unit hovers above the ground unit.