Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796245 | Optical disc reader having lens mounting with improved positioning control | Gerard E. Van Rosmalen | 1989-01-03 |
| 4570255 | Disc-record player with pressure means for pressing a disc onto a turntable | Bernardus Johannes Stinesen | 1986-02-11 |
| 4533826 | Opto-electronic focusing-error detection device | — | 1985-08-06 |
| 4453241 | Optical scanning unit for reading information from an optical recording | Johannes T. A. van de Veerdonk | 1984-06-05 |
| 4351051 | Semiconductor laser device with an assembly block | Johan C. J. Finck, Peter W. M. van de Water | 1982-09-21 |
| 4239942 | Dual radial position servo to compensate for radial tracking failure in an optical disc player | Cornelis Vos | 1980-12-16 |