Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 Leopoldus Bakx, Johannes H. M. Spruit | 1995-11-28 |
| 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 | Rudolf Roth, Jacobus P. J. Heemskerk | 1995-09-26 |
| 5428598 | Record carrier with copy bits | Rudolf Roth, Jacobus P. J. Heemskerk | 1995-06-27 |