Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8310912 | Method for monitoring an optical disk drive performance quality, optical disk drive, optical disk duplicator system and computer program product | Edwin Johannes Maria Janssen | 2012-11-13 |
| 8223595 | Optical scanning device and method for scanning | — | 2012-07-17 |
| 8068400 | Method of recording information on a multilayer record carrier, and device for recording on a dual layer record carrier | Wilhelmus Robert Koppers, Hubert Cecile Francois Martens, Pierre Hermanus Woerlee | 2011-11-29 |
| 8059509 | Optical disk drive and method for use with an optical disk drive for determining the disk characteristic | Jean Phillippe van Damme, Petrus Antonius Verbeek | 2011-11-15 |
| 8059501 | Optical disk drive for scanning an optical disk with a scanning velocity and method for scanning an optical disk with a scanning velocity | Antoon Dekker, Maarten Kuijper, Tony Petrus Van Endert | 2011-11-15 |
| 8050169 | Optical scanning device and method for determining focus position | — | 2011-11-01 |
| 8023373 | Disc drive and photo-detector circuits | — | 2011-09-20 |
| 8000176 | Estimation of maximum available write power of an optical storage drive | — | 2011-08-16 |
| 7903517 | Optical disk drive with disk type determination and method of determining a disk type of an optical disk with an optical disk drive | Maarten Kuijper, Johannes Franciscus Petrus Claas, Petrus Antonius Verbeek | 2011-03-08 |
| 7830757 | Tracking control method for reading/writing optical disk | Stefan Geusens, Antoon Dekker | 2010-11-09 |
| 7215616 | Method and device for running optimum power control | Gary Christopher Maul | 2007-05-08 |
| 5631892 | Optical storage disc scanner with improved scanner positioning | — | 1997-05-20 |
| 5623472 | Method and apparatus for recording signals on a record carrier, measurement method and measurement device for use in the recording method and the recording apparatus, and record carrier | Jeroen Jan Lambertus Horikx | 1997-04-22 |
| 5471457 | Methods and devices for recording one or more signals which have been encoded by on error detection and correction algorithm on a record carrier by means of an optimal recording intensity | Johannes H. M. Spruit, Hindrik Veldhuis | 1995-11-28 |
| 5363361 | Information recording device having variable data transfer rates and verification of recording quality | — | 1994-11-08 |
| 5289440 | Optical reading device and optical recording device | — | 1994-02-22 |
| 5255007 | Method and apparatus for recording a pattern of areas of modified optical properties on an optical record carrier | — | 1993-10-19 |
| 5233577 | Magneto-optical recording apparatus and energizing circuit for use in such a magneto-optical recording apparatus | Petrus C. J. Hoeven | 1993-08-03 |
| 5226027 | Recording method and device which provides an optimum setting of a record-carrier-dependent recording parameter | — | 1993-07-06 |
| 5173598 | Optical scanning beam position control system which is free of modulation by tracking error | — | 1992-12-22 |
| 5155717 | Multiple beam optical scanning device wherein scanning control signals are stabilized against variations in beam intensities | — | 1992-10-13 |
| 5105413 | Read-after-write optical recording device having a single radiation source and employing write modulation of such source | — | 1992-04-14 |
| 5072435 | Information recording device which adjusts its recording parameters to the record carrier to be recorded | — | 1991-12-10 |
| 4819221 | Apparatus for reading record carriers having substantially concentric or spiral tracks | Hilde M. A. Overath, Cornelius Antonius Hezemans | 1989-04-04 |