Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7075876 | Method of registering a running time on an information carrier, information carrier and apparatus | Jakob Gerrit Nijboer, Joost J. J. Bekkers | 2006-07-11 |
| 6778484 | Method of registering a running time on an information carrier, information carrier and apparatus | Jakob Gerrit Nijboer, Joost J. J. Bekkers | 2004-08-17 |
| 6628584 | Apparatus and associated method for linking information on a read only record carrier | Roel Van Woudenberg | 2003-09-30 |
| 6577574 | Method of registering a running time on an information carrier, information carrier and apparatus | Jakob Gerrit Nijboer, Joost J. J. Bekkers | 2003-06-10 |
| 6310838 | Record carrier and apparatus for scanning the record carrier | Gijsbert J. Van Den Enden | 2001-10-30 |
| 6031815 | Information carrier containing auxiliary information, reading device and method of manufacturing such an information carrier | — | 2000-02-29 |
| 5841753 | Multi-layer information storage system with improved aberration correction | Antonius H. M. Holtslag, Derk Visser, Peter Coops | 1998-11-24 |
| 5677903 | Multi-layer information storage system with improved aberration correction | Antonius H. M. Holtslag, Derk Visser, Peter Coops | 1997-10-14 |
| 5453968 | Methods of and information recording devices for recording and/or inhibiting recording of an information signal having copy bits with logic values which alternate in accordance with a pattern | Hindrik Veldhuis, Rudolf Roth | 1995-09-26 |
| 5428598 | Record carrier with copy bits | Hindrik Veldhuis, Rudolf Roth | 1995-06-27 |
| 4665310 | Apparatus for optically scanning an information plane wherein a diffraction grating splits the beam into two sub-beams | — | 1987-05-12 |
| 4365323 | Optic read unit for scanning a record carrier having a radiation-reflecting information structure | Kornelis A. Immink, Carel Arthur Jan Simons | 1982-12-21 |
| 4358200 | Optical focussing-error detection system | Hendrik Renes, Carel Arthur Jan Simons | 1982-11-09 |
| 4354103 | Optical focusing device with two controls | Kornelis A. Immink, Martinus P. M. Bierhoff | 1982-10-12 |
| 4325135 | Optical record carrier and apparatus for reading it | Jan G. Dil | 1982-04-13 |