1 1 an automated unmanned lodging system which has one parking space per room
1 1-cell type traffic light device using multi-color LED
1 Frequency Modulated Continuous Wave type 1-lane radar detector
1 PARKING LOT MANAGEMENT SYSTEM AND METHOD USING OMNIDIRECTIONAL CAMERA
2 4 Arrest method of 2 and 4 wheel over speed or escape vehicles and system of the same
2 4 Arrest method of 2 and 4 wheel over speed or escape vehicles and system of the same
2 APPARATUS AND METHOD FOR PREVENTING SECONDARY ACCIDENT
2 APPARATUS FOR OPERATING STAGGERED CROSSWALK AT ROUNDABOUTS AND METHOD THEREOF