Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7352776 | Line terminator unit for a subscriber line | Joerg Hauptmann, Hans-Werner Rudolf, Gerald Krottendorfer, Manfred Preitnegger, Rudi Frenzel +2 more | 2008-04-01 |
| 7260211 | Method and circuit for adapting the impedance of an analog telecommunication connection | — | 2007-08-21 |
| 6978007 | Communications systems | Gerald Hofer, Peter Caldera | 2005-12-20 |
| 6973180 | Method for processing telephone signals supplied by an analog telephone terminal and data supplied by a data terminal | Hans-Werner Rudolf | 2005-12-06 |
| 6965670 | Method for optimizing the transmission properties and the power loss of a high-voltage part which is integrated in a subscriber connection circuit for connecting a subscriber connection line | — | 2005-11-15 |
| 6934382 | Method for recognizing an off-hook condition on a single subscriber line with two terminal devices | — | 2005-08-23 |
| 6757378 | Method and telecommunications center for recognizing connection requests at a subscriber line | — | 2004-06-29 |
| 6298124 | Method for transmitting data signals on analog subscriber lines | — | 2001-10-02 |
| 6141416 | Analog telephone subscriber terminal apparatus | — | 2000-10-31 |
| 6052437 | Subscriber terminal circuit for connecting an analog subscriber line to a digital switching center | Roland Krimmer | 2000-04-18 |