Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654947 | Method for recording information on a record carrier having a track which is transversely modulated in accordance with an auxiliary signal including address codes and auxiliary codes, and a method for producing the track | Rudolf Roth | 1997-08-05 |
| 5418764 | Recording device, a record carrier having preformatted address codes and auxiliary codes providing control data for use by the recording device, and an information recording system including both the recording device and the record carrier | Rudolf Roth | 1995-05-23 |
| 5124966 | Method for recording data signals on an inscribable record carrier and reading device for the record carrier | Rudolf Roth | 1992-06-23 |
| 5065388 | Method and apparatus for recording on a record carrier a table of contents identifying all the recorded data signals | Rudolf Roth | 1991-11-12 |
| 4901300 | Method of and apparatus for recording an information signal | Petrus C. J. Hoeven | 1990-02-13 |