ROAD TRAFFIC CONTROL PROCESS Russian patent published in 1998 - IPC

FIELD: routed urban transport. SUBSTANCE: process depends on assigning specific number to each vehicle and route number, recording time of passing control stations and comparing it with desired value; according to invention, dispatching center operating in automatic mode functions to carry out circular polling of vehicles which are within reach of control stations, to receive information arriving from vehicles, to process, store, and display it, and to correct traffic charts, to inform driver about deviation of actual time of arrival at control station from desired value, about vehicle residence within reach of control station, about dispatcher's call for voice communication and end of voice communication session, about normal reception of information from vehicle by dispatching center; dispatcher is called for voice communication form vehicle which is within reach of control station and in case of emergency situations or assault committed on driver, dispatching center functions to receive respective signal transmitted repeatedly from vehicle at any point of route as well as beyond it by raising vehicle transmitter power for short time so as to ensure reliable reception of mentioned signals at dispatching center and to reduce time required to render help to driver and passengers. When operating in dispatching mode, dispatching center functions to call driver of any vehicle for voice communication to instantly change traffic chart, route, or number of vehicles en route; data on any vehicle are displayed upon operator's request. Voice is transmitted in digital form with time-division multiplexing and noise-immune coding over radio channel independent of telemetering one. EFFECT: enlarged functional capabilities. 4 dwg