TELEFONLEITUNGSCHNITTSTELLENSCHALTUNG MIT INTELLIGENTER STROM- UND SPANNUNGSSTEUERUNG

A telephone line interface circuit is disclosed having intelligent line current control that can adjust to the various requirements of worldwide telephone systems (DC masks), and/or can reduce the power consumed by the interface circuit. A controller reads a voltage value and based on the theoretica...

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Bibliographic Details
Main Authors RAHAMIM, RAPHAEL, SACCA, FRANK
Format Patent
LanguageGerman
Published 27.05.2004
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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Summary:A telephone line interface circuit is disclosed having intelligent line current control that can adjust to the various requirements of worldwide telephone systems (DC masks), and/or can reduce the power consumed by the interface circuit. A controller reads a voltage value and based on the theoretical model of a telephone line network, and the expected current/voltage characteristic, as dictated by the appropriate DC mask. The controller sets the line current (via an output voltage) to an optimum value and causes the line voltage to adjust so as to comply with the DC mask and/or minimize power dissipation in the circuit.
Bibliography:Application Number: DE20006004151T