Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8411871 | Echo cancellation | David Schwingshackl, Gerhard Paoli, Dietmar Straeussnigg | 2013-04-02 |
| 7576670 | Sigma-delta analog-digital converter for an xDSL multistandard input stage | Martin Clara, Antonio Di Giandomenico, Andreas Wiesbauer | 2009-08-18 |
| 7352776 | Line terminator unit for a subscriber line | Paul Kunisch, Hans-Werner Rudolf, Gerald Krottendorfer, Manfred Preitnegger, Rudi Frenzel +2 more | 2008-04-01 |
| 7339415 | SC circuit arrangement | Richard Gaggl | 2008-03-04 |
| 7164708 | Line termination device for a telephone subscriber line | Christian Schranz, Bernhard Zojer, Peter Pessl, David Schwingshackl, Herbert Zoler | 2007-01-16 |
| 6950512 | Circuit arrangement for forming the termination of an analogous subscriber line | Alexander Kahl | 2005-09-27 |
| 6947478 | Analogue echo filter | Frederic Pecourt, Aner Tenen | 2005-09-20 |
| 6635930 | Protective circuit | Alexander Kahl | 2003-10-21 |
| 5969567 | Circuit configuration for line adaptation and echo suppression | Alexander Kahl, Peter Caldera, Franz Dielacher | 1999-10-19 |
| 5789959 | Circuit configuration for direct voltage and alternating voltage decoupling | Franz Dielacher, Berndt Pilgram | 1998-08-04 |
| 5727024 | Circuit configuration for conversion of a one-bit digital signal into an analog signal | — | 1998-03-10 |