Traffic information transmission system for use in vehicle has data received from information providers entered in databank and supplied to transmitter after conversion into broadcast signal

摘要

The traffic information transmission system has a receiver (102) receiving traffic information from a number of external information providers. The received information is entered in a databank (103) from which it is extracted via a control device (104), supplying it to a traffic information transmitter (101) via an information preparation device (105) and a coder (108). The information preparation device converts the traffic information into a graphic format and the coder codes the traffic information into a digital video broadcast terrestrial signal or a digital audio broadcasting signal. Also included are Independent claims for the following:- (a) a traffic information transmission method; (b) a portable reception device for reception of traffic information within a vehicle.