Circuit arrangement for automatic electronic information dissemination

摘要

Circuit arrangement for automatic electronic information dissemination, for use in central information stations, preferably of the German Post Office and the German Railways, particularly suitable for use in parallel mode, comprising a manual input device subdivided into a program keyboard and a numerical keyboard, a line concentrator/deconcentrator, a central processing unit with at least two parallel input/output channels, a RAM main memory, an EPROM program memory, an address generator/multiplexer unit, an EPROM speech memory, a multi-channel speech synthesiser unit, a manually operable selection device and an audible output medium, characterised in that the appropriate interconnection of the aforementioned devices and equipment groups enables automatic electronic information provision.