1.Camera of Car Location System (1) Apearance and Technical Parameter: l Apearance: Hemisphere l Operating Voltage:12V l Operating Current:0.2 l Power:2.4W l Line Number:480 l Camera Lens Parameter:8mm l Minimum Illumination:0.01Lux l Chip:Multicolor 1/3SONY CCD (2)Installation Location:install camera at the right ahead of parking space to detect parking space(height:2.5m,distance to parking space:3m) 2.System Structure 3. How to guide to find Certain Free Parking Space 1) Process the video space images which were switched currently. 2)Control the LED indicator to be in red when parking space is occupied and green when it is free by serial port communication. •Recognize the license plate. •Transfer the datas including the license No., car image,current time,parking location to SQL database of server by network making preparation for car searching 3 )Analyze SQL database of parking space status from server by network communication statistically. 4 )Background program of sever inquires parking stastus information of SQL database regularly and analyzes the datas of LED displays which is required to update. 5) The server transfers the statistical data of each LED display to its nearest multi video processor which will control it. 4How to Guide to Find Parked Vehicels 1)Input license number 2)Inquire database regarding to the license number and list the most similar vehicles for querier’s selection. 3)The querier check if it’s his own car,or return to homepage and continue to search. 4)There will be one map to show the car location,querier’s position and the best way to pick up car. 5)Find the best way to take car regarding to the location of inquire PC and car as well road condition of car park.