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US 5,396,552 AGranted
Digital communication system with transmission servers
AssigneeSiemens Aktiengesellschaft
InventorsAlfred Jahn, Teodor Kremer, Gunther Weisigk, Eugen Rippenstein
Life of this patent
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Abstract
Digital communication systems cover a wide range of applications with the provision of features. However, new features must be added for specific application areas. One such specific application area is trading with shares, currency, raw materials, etc.
Claims13
A communication system having a switching unit which serves to switch through connection lines and has a switching network and a central controller, having at least one centralized server providing data and programs for features, and also having peripheral modules acting as interfaces to subscriber terminals, comprising:
- special terminals with actuating means, optical display means, at least one loudspeaker and at least one handset connected to special peripheral modules, which are connected to the switching unit, said special peripheral modules linked to each other via data paths, and said special peripheral modules being incorporated in the communication system as an integral component of the communication system by means of control procedures, call processing procedures and data bank procedures.
Dependencies are inferred from the claim text.