Apparatus and Method for informing ballast water treatment position
BATTERY MONITORING SYSTEM USING THE ENERGY HARVESTING FOR THE SHIP
BRIDGE SYSTEM FOR UNMANNED VESSEL AND CONTROL METHOD THEREOF
CCTV METHOD AND APPARATUS FOR URBAN TRAFFIC NETWORK MODELING WITH MULTIPLE CCTV VIDEOS
Electric kickboard with direction indicator using pressure sensor and controlling method thereof
ELEVATING AND DESENDING DEVICE FOR A BARGE HAVING LEGPIPES EASILY LIFTED