Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8531929 | Recording methods and devices for recording information on dual layer recordable disks | — | 2013-09-10 |
| 7986598 | Recording methods and devices for recording information on dual layer recordable disks | — | 2011-07-26 |
| 7623432 | Method of recording information on a multi layer record carrier, and device for recording on a dual layer record carrier | Wilhelmus Robert Koppers, Hubert Cecile Francois Martens, Pierre Hermanus Woerlee | 2009-11-24 |
| 7505391 | Arrangement for reading an information carrier | — | 2009-03-17 |
| 7057980 | Device and method for recording information | Robert Albertus Brondijk | 2006-06-06 |
| 7054243 | Playback apparatus with second variation detection | — | 2006-05-30 |
| RE38703 | Device for scanning a disc-shaped information carrier with controlled changes in angular and linear velocities | Gheorghe Sorin Stan | 2005-02-15 |
| 6785196 | Device and method for recording information on a track having preformed position information | Robert Albertus Brondijk | 2004-08-31 |
| 6762987 | Slicer arrangement | Gerardus Langereis, Willem Marie Julia Marcel Coene, Constant Paul Marie Jozef Baggen | 2004-07-13 |
| 6753733 | Amplifier circuit and method for reducing stray feedback | — | 2004-06-22 |
| 6700861 | Optical disc and apparatus for scanning the optical disc | Gijsbert J. Van Den Enden, Johannes Hendrikus Maria Spruit, Shoei Kobayashi, Masayuki Arai, Yoshiyuki Akiyama | 2004-03-02 |
| 6583396 | Optical transducer and recording/playback device comprising the transducer | — | 2003-06-24 |
| 6580680 | Optical disc and apparatus for scanning the optical disc | Gijsbert J. Van Den Enden, Johannes Hendrikus Maria Spruit, Shoei Kobayashi, Masayuki Arai, Yoshiyuki Akiyama | 2003-06-17 |
| 6559713 | Self-tracking filter | — | 2003-05-06 |
| 6320825 | Method and apparatus for recording compressed variable bitrate audio information | Alphons A. M. L. Bruekers, Wiebe De Haan, Leon Maria Van De Kerkhof | 2001-11-20 |
| 6137755 | Deriving a tracking error signal from a time difference between detector signals | Anthonius L. J. Dekker | 2000-10-24 |
| 6075670 | Device for scanning a disc-shaped information carrier with controlled changes in angular and linear velocities | Gheorghe Sorin Stan | 2000-06-13 |
| 5844865 | System for storing and reproducing information from a disc shaped information carrier | — | 1998-12-01 |
| 5617399 | Write intensity calibration of a recording beam by reading a test pattern written on a buffer sector of a record carrier | Johannes H. M. Spruit | 1997-04-01 |
| 5418773 | Zoned record carrier | Paulus Gijsbertus Petrus Weijenbergh, Karl A. Belser, Glen Alan Jaquette, John Edward Kulakowski, Judson A. McDowell +1 more | 1995-05-23 |
| 5365508 | Magneto-optical read/write device | — | 1994-11-15 |