Line terminator unit for a subscriber line

US7352776B1 · kind B1 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Joerg Hauptmann · Villach, AT
• Paul Kunisch · Puchheim, DE
• Hans-Werner Rudolf · Munich, DE
• Gerald Krottendorfer · Wien, AT
• Manfred Preitnegger · Klagenfurt, AT
• Rudi Frenzel · Munich, DE
• Markus Terschluse · Munich, DE
• Dirk Schmuecking · Munich, DE

Key dates

• Filing date: Sep 30, 1999
• Grant date: Apr 1, 2008
• Expiry date: Sep 30, 2019

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04L25/0286
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

The invention relates to a line terminating device for a subscriber line which transmits and receives broadband signals via a single subscriber line, a broadband signal being composed of a broadband or narrowband audio-frequency data signal and a broadband higher-frequency data signal and the frequency bands of the voice signal and of the data signal essentially not overlapping. The line terminating device according to the invention has a digital frequency separating filter in the digital section of the line terminating device, which is arranged in the digital section of the line terminating device so that the audio-frequency voice signal is separated from the higher-frequency data signal. In particular, the line terminating device is suitable for separating an ISDN or POTS voice signal from an ADSL data signal.