Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8989885 | Watermark generator, watermark decoder, method for providing a watermark signal in dependence on binary message data, method for providing binary message data in dependence on a watermarked signal and computer program using a two-dimensional bit spreading | Stefan Wabnik, Bert Greevenbosch, Bernhard Grill, Ernst Eberlein, Giovanni Del Galdo +5 more | 2015-03-24 |
| 8135955 | Device and method for detecting a manipulation of an information signal | Ralph Kulessa, Stefan Krägeloh, Patrick Aichroth, Frank Siebenhaar, Christian Neubauer +1 more | 2012-03-13 |
| 7917763 | Device and method for detecting a manipulation of an information signal | Ralph Kulessa, Stefan Krägeloh, Patrick Aichroth, Frank Siebenhaar, Christian Neubauer +1 more | 2011-03-29 |