Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7403618 | Conditional access | Bartholomeus Johannes Van Rijnsoever, Johan Cornelis Talstra | 2008-07-22 |
| 7328352 | Apparatus and method for reading or writing user data | Wilhelmus Fontijn, Alexandre Georgievich Sinitsyn | 2008-02-05 |
| 7310819 | Processing copy protection signals | Maurice Jerome Justin Jean-Baptiste Maes, Johan Cornelis Talstra | 2007-12-18 |
| 7286451 | Copy control using digital speed bumps | Gijsbrecht C. Wirtz, Antonius Kalker, Jaap Haitsma, Johan Paul Marie Gerard Linnartz | 2007-10-23 |
| 7228425 | Protecting content from illicit reproduction by proof of existence of a complete data set via self-referencing sections | Michael Epstein, Martin Rosner | 2007-06-05 |
| 7213004 | Apparatus and methods for attacking a screening algorithm based on partitioning of content | Laszlo Hars, Andre Weimerskirch | 2007-05-01 |
| 7178038 | Apparatus and method for reproducing user data | Franciscus Lucas Antonius Johannes Kamperman, Johan Paul Marie Gerard Linnartz | 2007-02-13 |
| 7178036 | Method and system for providing copy-protection on a storage medium and storage medium for use in such a system | Pieter Bas Ijdens, Robert Jochemsen, Ronald Tol | 2007-02-13 |
| 7136783 | Method and arrangement for processing a signal using a digital processor having a given word length | Johan Paul Marie Gerard Linnartz, Antonius Kalker, Johan Cornelis Talstra | 2006-11-14 |
| 7123739 | Copy protection via multiple tests | Michael Epstein | 2006-10-17 |
| 7110546 | Synchronization of session keys | — | 2006-09-19 |
| 7085929 | Method and apparatus for revocation list management using a contact list having a contact count field | — | 2006-08-01 |
| 7038600 | Method and device for adding or extracting a secondary information signal to/from a RLL code sequence | Willem Marie Julia Marcel Coene, Johan Cornelis Talstra, Jacobus Petrus Josephus Heemskerk | 2006-05-02 |
| 6865676 | Protecting content from illicit reproduction by proof of existence of a complete data set via a linked list | Michael Epstein | 2005-03-08 |
| 6765852 | Method of storing a disc-ID on a record carrier, device and record carrier | Gijsbert J. Van Den Enden | 2004-07-20 |
| 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, Franciscus Lucas Antonius Johannes Kamperman | 2004-02-10 |
| 6580682 | System for copy protection of recorded information | Franciscus Lucas Antonius Johannes Kamperman | 2003-06-17 |
| 6477294 | Optical device having second arrayed waveguide grating for temperature control | Arnold Jansen Van Doorn | 2002-11-05 |
| 6457127 | Method of and device for generating a key | — | 2002-09-24 |