Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690812 | Watermark insertion and extraction into and from a high quality signal is performed using sample rate conversion | Derk Reefman, Alphons Antonius Maria Lambertus Bruekers, Antonius Adriaan Maria Staring | 2004-02-10 |
| 6633644 | Conditional access system for controlling the access to a data content | Bartholomeus Johannes Van Rijnsoever, Mathieu Petrus Franciscus Maria Goudsmits | 2003-10-14 |
| 6580682 | System for copy protection of recorded information | Antonius Adriaan Maria Staring | 2003-06-17 |
| 6574349 | Embedding and extracting supplemental data in an information signal | Johan Paul Marie Gerard Linnartz, Erwin Kragt | 2003-06-03 |