Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657492 | System for estimating a non-linear characteristic of an amplifier | Rainer Perthold, Gerald Ulbricht | 2003-12-02 |
| 6584138 | Coding process for inserting an inaudible data signal into an audio signal, decoding process, coder and decoder | Christian Neubauer, Ernst Eberlein, Roland Plankenbühler, Albert Heuberger, Rainer Perthold +1 more | 2003-06-24 |