1.How are parking system works? The main .... Parkson Shopping Center 11 March, 2008 2100 cars Taipei Taipei municipal CarPark 12 April, 2008 1200 cars Singapore City Square Mall( OEM) 13....
How PGS Works: Firstly, UD takes use of ultrasonic wave to detect the car space to see if it is occupied by vehicles and transfer relative command to LED Indicator which will turn from green to RED....