Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8688993 | Method and apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side | Peter Georg Baum, Ulrich Gries | 2014-04-01 |
| 8281137 | Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal | Peter Georg Baum, Michael Arnold, Ulrich Gries | 2012-10-02 |
| 8259873 | Method and apparatus for correlating two data sections | Peter Georg Baum, Michael Arnold | 2012-09-04 |
| 8081757 | Blind watermarking of audio signals by using phase modifications | Peter Georg Baum | 2011-12-20 |
| 8041073 | Decoding watermark information items of a watermarked audio or video signal using correlation | Peter Georg Baum | 2011-10-18 |
| 7760790 | Method and apparatus for transmitting watermark data bits using a spread spectrum, and for regaining watermark data bits embedded in a spread spectrum | Peter Georg Baum | 2010-07-20 |
| 7634031 | Method and apparatus for encoding symbols carrying payload data for watermarking an audio or video signal, and method and apparatus for decoding symbols carrying payload data of a watermarked audio or video signal | Peter Georg Baum | 2009-12-15 |
| 6873950 | Method and encoder for bit-rate saving encoding of audio signals | Fei Gao, Andreas Aust | 2005-03-29 |
| 6016233 | Magnetic tape apparatus with housing in which playback electronics and magnetic tape is permanently disposed | Werner Scholz, Werner Bachnick, Wulf-Christian Streckenbach, Bernd Wessolly, Hartmut Peters +4 more | 2000-01-18 |
| 4942607 | Method of transmitting an audio signal | Ernst Schroder | 1990-07-17 |
| 4821260 | Transmission system | Otto Klank, Ernst Schroder | 1989-04-11 |
| 4590531 | System for compensating signal interference in a PCM audio transmission | Hans-Joachim Platte, Gunter Oberjatzas, Ernst Schroder | 1986-05-20 |