Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |