Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870657 | Data signal transmission system using decision feedback equalization | Johannes W. M. Bergmans, Petrus J. Van Gerwen | 1989-09-26 |
| 4817081 | Adaptive filter for producing an echo cancellation signal in a transceiver system for duplex digital communication through one single pair of conductors | Simon J. M. Tol | 1989-03-28 |