Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339301 | Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier | Wilhelmus P. M. Raaymakers, Franciscus L. J. M. Kuijpers, Aartje W. Veenis, Hendricus A. M. Mulder | 1994-08-16 |
| 5038339 | Record carrier having servo-track portions and sector addresses having the same predetermined width | Nicolaas C. J. A. Van Hijningen | 1991-08-06 |
| 4959822 | Record-carrier body provided with a relief structure of optically detectable servo-track portions and sector addresses and apparatus for forming said structure | Nicolaas C. J. A. Van Hijningen | 1990-09-25 |
| 4949330 | Apparatus for pre-forming servo-track portions and sector addresses having the same predetermined width | Nicolaas C. J. A. Van Hijningen | 1990-08-14 |
| 4893298 | Record-carrier body provided with a relief structure of optically detectable servo-track portions and sector addresses and apparatus for forming said structure | Nicolaas C. J. A. Van Hijningen | 1990-01-09 |
| 4794584 | Method and apparatus for scanning the recording surface of a rotating disc-shaped record carrier | Rene Hamer | 1988-12-27 |