SYSTEM FOR AUTOMATICALLY TRACKING MOVING TARGET AND THE METHOD THEREOF
METHOD FOR SHARING GROUP NAVIGATION INFORMATION AND APPARATUS USING THE SAME
FIELD WEAKNING CONTROL MOBILITY SYSTEM USING HALL SENSOR POSITION ESTIMATION
DRONE STATION AND DRONE TAKE-OFF SYSTEM COMPRISING THEREOF
DRONE LANDING CONTROLLING SYSTEM AND LANDING CONTROLLING METHOD THEREOF
DISPLACEMENT SENSING DEVICE OF STROKE AND SWITCH FOR BRAKE PEDAL OF VEHICLE