Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995034 | Method of integrating one or more accessory function modules in telecommunications systems and access circuit for use therewith | Martin Backhaus, Harald Schreiber | 1991-02-19 |
| 4811336 | Switching arrangement for communication of digital signals, in particular PCM signals | Martin Backhaus, Werner Ahrens | 1989-03-07 |
| 4500991 | Circuit arrangement for the control of the transmission of digital signals, particularly PCM-signals, between stations of a time division multiplex telecommunication network particularly PCM-time division multiplex telecommunication network | Martin Backhaus | 1985-02-19 |