Patent ID: 6710722
Filing Date: 2004-03-23
Classification: G08G

Abstract:
A traffic light control and information transmission device comprising:a microprocessor located inside the traffic control box and to control all the circuitries; a traffic light controller connected to and controlled by said microprocessor to send out the stop, go and direction signals; an electronic display board connected to and controlled by said microprocessor to display characters, patterns and graphic images; a video camera connected to and controlled by said microprocessor to monitor the traffic flow; a compression circuitry connected to said microprocessor and said video camera, said compression circuitry compresses the image data captured by said video camera and sends the data to said microprocessor; an I/O interface connected to said microprocessor to receive, transmit data and control signals; a traffic flow detector connected to said I/O interface and gathering the traffic flow information; the traffic flow information is input to said microprocessor; a DSL connected to said I/O interface 6 and receiving, transmitting data and control signals; a broadband network linking said DSL and a central traffic control computer together, said central traffic control computer sends out and receives the data and controls signals to said microprocessor through said broadband network.