Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687184 | Method and circuit arrangement for speech signal transmission | Dietmar Lorenz | 1997-11-11 |
| 5657421 | Speech signal transmitter wherein coding is maintained during speech pauses despite substantial shut down of the transmitter | Dietmar Lorenz | 1997-08-12 |
| 5602766 | Method of and device for forming the sum of a chain of products | Harald Bauer, Johannes Schuck, Dietmar Lorenz | 1997-02-11 |