METHOD FOR SHARING GROUP NAVIGATION INFORMATION AND APPARATUS USING THE SAME
APPARATUS FOR TRANSMITTING THE POSITION OF THE VICTIM OVER THE SEA AND SEARCH DRONE OPERATING SYSTEM
SYSTEM FOR AUTOMATICALLY TRACKING MOVING TARGET AND THE METHOD THEREOF
FIELD WEAKNING CONTROL MOBILITY SYSTEM USING HALL SENSOR POSITION ESTIMATION
DRONE LANDING CONTROLLING SYSTEM AND LANDING CONTROLLING METHOD THEREOF
DRONE STATION AND DRONE TAKE-OFF SYSTEM COMPRISING THEREOF