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1. Main Functions of Ultrasonic Detector
1). UD(ultrasonic detector) as one of the main part of parking guidance system (car parking system) makes use of ultrasonic detecting the parking space to get message and transfer to ZCU or other equipments by RS485.2). One parking space needs one UD which is installed in the middle of the car park space.
2.How Parking Guidance System (car parking system) 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 when occupied, or it will keep GREEN; meanwhile, the UD transmit its status message to ZCU immediately, and ZCU will collect and forward the information to CCU; CCU processes these data and sends the relevant command to ZCU and LED panel.
3.Cases
Poland Krakow Airport(1160 lots)
Philipine Mall of Asia(3160 lots)
Singapore Changi Airport(3850 lots)
OTHER :
1 April,2007 700 cars Singapore causeway point(OEM)2 April,2007 300 cars Singapore NorthPoint shopping plaza(OEM)3 May,2007 1400 cars Singapore Jurong Point Shopping Centre(OEM)4 July,2007 2000 cars Xiamen Hexiangxi Road5 August,2007 590 cars Singapore Paragon Shopping Center(OEM)6 Sep,2007 1800 cars Shenzhen Headquarter of Wal-mart7 Sep,2007 600 cars Singapore Square9 Dec,2007 500 cars Singapore Millenia walk shop(OEM)10 Jan, 2008 300 cars Beijing Parkson Shopping Center11 March, 2008 2100 cars Taipei Taipei municipal CarPark12 April,2008 1200 cars Singapore City Square Mall(OEM)13 April, 2008 310 cars Indonesia Cambridge city square of Medan
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parking guidance system