Intelligent transportation systems of communication apparatus for using public network

摘要

The present invention is a public network (for example; ADSL) the control code transmitted from various types of information with the control center that is collected from an intelligent transport system relates to a communication device of the intelligent transportation system using a public network, which allows the transfer using, detecting an image for traffic detectors (30) are connected to the 32 traffic detector for quantization processing a composite video signal, and outputs the image signal conversion means 40 to convert a packet type, and text information to the serial transmission line 34 (36 ) from the data input / output means 50, and image signal conversion means 40 receives the data from, for controlling the traffic detector (34) (36) according to the transferred from the control center (90) comes control code separate the text information from the image data and the data input / output means 50, and image data are separated from the central controller 60 and the central control unit 60 for compressing the video signal and text information. Consists of a modem 70 for transmission to the control center (90) to the kit units over a public network 80, using the image information and the text information, the public network is collected from the traffic sensor communication because it is configured to transmit to the control center can significantly reduce the cost and equipment cost, it is possible to maximize utilization efficiency of the track, there is an effect to reduce signal distortion.