Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597023 | System for transmitting signals via a record carrier in the form of a tape | — | 1986-06-24 |
| 4517612 | Reproducing apparatus with controlled gain output independent of tracking errors | Edmond de Niet | 1985-05-14 |
| 4511933 | Method and apparatus for recording a digital information signal | Martijn H. H. Hofelt, Edmond de Niet | 1985-04-16 |
| 4498111 | Method and apparatus for recording or reproducing stereophonic information in a magnetic record carrier | Anthonie Walraven | 1985-02-05 |
| 4451862 | Magnetic head mounting mechanism for automatic azimuth control | Henricus M. Ruyten, Johannes F. Hoefnagels, Johannes J. M. Schoenmakers | 1984-05-29 |
| 4392163 | Magnetic tape recording and/or reproducing apparatus with automatic head positioning | Edmond de Niet, Jacobus P. Beun | 1983-07-05 |
| 4370619 | Phase comparison circuit arrangement | — | 1983-01-25 |
| 4317144 | Azimuth correction of head gaps | Edmond de Niet | 1982-02-23 |
| 4312073 | Spectrum converter for analog signals | Edmond de Niet | 1982-01-19 |
| 4259605 | Circuit for controlling a piezo-electric positioning element | — | 1981-03-31 |
| 4258282 | Device for the generation of a control voltage across a piezo-electric positioning element | — | 1981-03-24 |