Navigation system

DETAILED DESCRIPTION The present invention provides system for serving information, comprising: routing means; one or more storage medium units connected to the routing means and for storing information data; navigation means connected to the routing means and for providing information as to available information data and identification data thereof; managing means connected to the routing means and for managing distribution of the information data, the managing means receiving selected identification data from an end device and outputting distribution control data, including information of a channel of selected information data as produced from the received selected identification data and routing information from the end device to the routing means, wherein said storage medium unit outputs the selected information data with routing information for the end device according to the distribution control data from the managing means.
The system according to the present invention provides a navigation system for informing a user by means of a menu showing available information programs in an interactive video transmission system.
Preferably the routing means comprise at least one ATM switch.
Preferably the routing means comprise at least one ATM switch.
The basics and standards of ATM (Asynchronous Transfer Mode) are laid down in recommendations I.
150 and I.
327 as published in March 1993 by the International Telecommunication Union).
ATM is generally used for addressing a specific packet-oriented transfer mode which uses asynchronous time division multiplexing techniques.
The multiplexed information flow is organized into blocks of fixed size called cells.
A cell consists of an information filed and a header.
The primary role of the header is to identify cells belonging to the same virtual channel within the asynchronous time division multiplex.
Preferably said information data are video and/or audio data although the present invention is not limited to this application.
This system according to the present invention may also comprise applications for video-games, library functions, databanks etc